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-rw-r--r--absl/time/internal/cctz/src/cctz_benchmark.cc14
-rw-r--r--absl/time/internal/cctz/src/time_zone_fixed.cc12
-rw-r--r--absl/time/internal/cctz/src/time_zone_fixed.h6
-rw-r--r--absl/time/internal/cctz/src/time_zone_format.cc15
-rw-r--r--absl/time/internal/cctz/src/time_zone_format_test.cc302
-rw-r--r--absl/time/internal/cctz/src/time_zone_if.h28
-rw-r--r--absl/time/internal/cctz/src/time_zone_impl.cc13
-rw-r--r--absl/time/internal/cctz/src/time_zone_impl.h41
-rw-r--r--absl/time/internal/cctz/src/time_zone_info.cc108
-rw-r--r--absl/time/internal/cctz/src/time_zone_info.h12
-rw-r--r--absl/time/internal/cctz/src/time_zone_libc.cc18
-rw-r--r--absl/time/internal/cctz/src/time_zone_libc.h9
-rw-r--r--absl/time/internal/cctz/src/time_zone_lookup.cc37
-rw-r--r--absl/time/internal/cctz/src/time_zone_lookup_test.cc348
-rw-r--r--absl/time/internal/cctz/src/zone_info_source.cc11
15 files changed, 555 insertions, 419 deletions
diff --git a/absl/time/internal/cctz/src/cctz_benchmark.cc b/absl/time/internal/cctz/src/cctz_benchmark.cc
index f13cb4ee..c97df78c 100644
--- a/absl/time/internal/cctz/src/cctz_benchmark.cc
+++ b/absl/time/internal/cctz/src/cctz_benchmark.cc
@@ -754,23 +754,21 @@ void BM_Zone_LoadAllTimeZonesCached(benchmark::State& state) {
}
BENCHMARK(BM_Zone_LoadAllTimeZonesCached);
-void BM_Zone_TimeZoneImplGetImplicit(benchmark::State& state) {
+void BM_Zone_TimeZoneEqualityImplicit(benchmark::State& state) {
cctz::time_zone tz; // implicit UTC
- cctz::time_zone::Impl::get(tz);
while (state.KeepRunning()) {
- cctz::time_zone::Impl::get(tz);
+ benchmark::DoNotOptimize(tz == tz);
}
}
-BENCHMARK(BM_Zone_TimeZoneImplGetImplicit);
+BENCHMARK(BM_Zone_TimeZoneEqualityImplicit);
-void BM_Zone_TimeZoneImplGetExplicit(benchmark::State& state) {
+void BM_Zone_TimeZoneEqualityExplicit(benchmark::State& state) {
cctz::time_zone tz = cctz::utc_time_zone(); // explicit UTC
- cctz::time_zone::Impl::get(tz);
while (state.KeepRunning()) {
- cctz::time_zone::Impl::get(tz);
+ benchmark::DoNotOptimize(tz == tz);
}
}
-BENCHMARK(BM_Zone_TimeZoneImplGetExplicit);
+BENCHMARK(BM_Zone_TimeZoneEqualityExplicit);
void BM_Zone_UTCTimeZone(benchmark::State& state) {
cctz::time_zone tz;
diff --git a/absl/time/internal/cctz/src/time_zone_fixed.cc b/absl/time/internal/cctz/src/time_zone_fixed.cc
index 65eba356..598b08fd 100644
--- a/absl/time/internal/cctz/src/time_zone_fixed.cc
+++ b/absl/time/internal/cctz/src/time_zone_fixed.cc
@@ -42,9 +42,9 @@ int Parse02d(const char* p) {
} // namespace
-bool FixedOffsetFromName(const std::string& name, sys_seconds* offset) {
+bool FixedOffsetFromName(const std::string& name, seconds* offset) {
if (name.compare(0, std::string::npos, "UTC", 3) == 0) {
- *offset = sys_seconds::zero();
+ *offset = seconds::zero();
return true;
}
@@ -69,12 +69,12 @@ bool FixedOffsetFromName(const std::string& name, sys_seconds* offset) {
secs += ((hours * 60) + mins) * 60;
if (secs > 24 * 60 * 60) return false; // outside supported offset range
- *offset = sys_seconds(secs * (np[0] == '-' ? -1 : 1)); // "-" means west
+ *offset = seconds(secs * (np[0] == '-' ? -1 : 1)); // "-" means west
return true;
}
-std::string FixedOffsetToName(const sys_seconds& offset) {
- if (offset == sys_seconds::zero()) return "UTC";
+std::string FixedOffsetToName(const seconds& offset) {
+ if (offset == seconds::zero()) return "UTC";
if (offset < std::chrono::hours(-24) || offset > std::chrono::hours(24)) {
// We don't support fixed-offset zones more than 24 hours
// away from UTC to avoid complications in rendering such
@@ -101,7 +101,7 @@ std::string FixedOffsetToName(const sys_seconds& offset) {
return buf;
}
-std::string FixedOffsetToAbbr(const sys_seconds& offset) {
+std::string FixedOffsetToAbbr(const seconds& offset) {
std::string abbr = FixedOffsetToName(offset);
const std::size_t prefix_len = sizeof(kFixedOffsetPrefix) - 1;
if (abbr.size() == prefix_len + 9) { // <prefix>+99:99:99
diff --git a/absl/time/internal/cctz/src/time_zone_fixed.h b/absl/time/internal/cctz/src/time_zone_fixed.h
index 7c9d11db..489b857d 100644
--- a/absl/time/internal/cctz/src/time_zone_fixed.h
+++ b/absl/time/internal/cctz/src/time_zone_fixed.h
@@ -38,9 +38,9 @@ namespace cctz {
// Note: FixedOffsetFromName() fails on syntax errors or when the parsed
// offset exceeds 24 hours. FixedOffsetToName() and FixedOffsetToAbbr()
// both produce "UTC" when the argument offset exceeds 24 hours.
-bool FixedOffsetFromName(const std::string& name, sys_seconds* offset);
-std::string FixedOffsetToName(const sys_seconds& offset);
-std::string FixedOffsetToAbbr(const sys_seconds& offset);
+bool FixedOffsetFromName(const std::string& name, seconds* offset);
+std::string FixedOffsetToName(const seconds& offset);
+std::string FixedOffsetToAbbr(const seconds& offset);
} // namespace cctz
} // namespace time_internal
diff --git a/absl/time/internal/cctz/src/time_zone_format.cc b/absl/time/internal/cctz/src/time_zone_format.cc
index 6d5ccba1..1b023848 100644
--- a/absl/time/internal/cctz/src/time_zone_format.cc
+++ b/absl/time/internal/cctz/src/time_zone_format.cc
@@ -141,6 +141,9 @@ char* Format02d(char* ep, int v) {
// Formats a UTC offset, like +00:00.
char* FormatOffset(char* ep, int offset, const char* mode) {
+ // TODO: Follow the RFC3339 "Unknown Local Offset Convention" and
+ // generate a "negative zero" when we're formatting a zero offset
+ // as the result of a failed load_time_zone().
char sign = '+';
if (offset < 0) {
offset = -offset; // bounded by 24h so no overflow
@@ -277,7 +280,7 @@ const std::int_fast64_t kExp10[kDigits10_64 + 1] = {
// not support the tm_gmtoff and tm_zone extensions to std::tm.
//
// Requires that zero() <= fs < seconds(1).
-std::string format(const std::string& format, const time_point<sys_seconds>& tp,
+std::string format(const std::string& format, const time_point<seconds>& tp,
const detail::femtoseconds& fs, const time_zone& tz) {
std::string result;
result.reserve(format.size()); // A reasonable guess for the result size.
@@ -555,7 +558,7 @@ const char* ParseTM(const char* dp, const char* fmt, std::tm* tm) {
// We also handle the %z specifier to accommodate platforms that do not
// support the tm_gmtoff extension to std::tm. %Z is parsed but ignored.
bool parse(const std::string& format, const std::string& input,
- const time_zone& tz, time_point<sys_seconds>* sec,
+ const time_zone& tz, time_point<seconds>* sec,
detail::femtoseconds* fs, std::string* err) {
// The unparsed input.
const char* data = input.c_str(); // NUL terminated
@@ -822,15 +825,15 @@ bool parse(const std::string& format, const std::string& input,
const auto tp = ptz.lookup(cs).pre;
// Checks for overflow/underflow and returns an error as necessary.
- if (tp == time_point<sys_seconds>::max()) {
- const auto al = ptz.lookup(time_point<sys_seconds>::max());
+ if (tp == time_point<seconds>::max()) {
+ const auto al = ptz.lookup(time_point<seconds>::max());
if (cs > al.cs) {
if (err != nullptr) *err = "Out-of-range field";
return false;
}
}
- if (tp == time_point<sys_seconds>::min()) {
- const auto al = ptz.lookup(time_point<sys_seconds>::min());
+ if (tp == time_point<seconds>::min()) {
+ const auto al = ptz.lookup(time_point<seconds>::min());
if (cs < al.cs) {
if (err != nullptr) *err = "Out-of-range field";
return false;
diff --git a/absl/time/internal/cctz/src/time_zone_format_test.cc b/absl/time/internal/cctz/src/time_zone_format_test.cc
index 7d5b02ad..a90dda76 100644
--- a/absl/time/internal/cctz/src/time_zone_format_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_format_test.cc
@@ -23,15 +23,7 @@
#include "gmock/gmock.h"
#include "gtest/gtest.h"
-using std::chrono::time_point_cast;
-using std::chrono::system_clock;
-using std::chrono::nanoseconds;
-using std::chrono::microseconds;
-using std::chrono::milliseconds;
-using std::chrono::seconds;
-using std::chrono::minutes;
-using std::chrono::hours;
-using testing::HasSubstr;
+namespace chrono = std::chrono;
namespace absl {
namespace time_internal {
@@ -72,6 +64,17 @@ void TestFormatSpecifier(time_point<D> tp, time_zone tz, const std::string& fmt,
EXPECT_EQ("xxx " + ans + " yyy", format("xxx " + fmt + " yyy", tp, tz));
}
+// These tests sometimes run on platforms that have zoneinfo data so old
+// that the transition we are attempting to check does not exist, most
+// notably Android emulators. Fortunately, AndroidZoneInfoSource supports
+// time_zone::version() so, in cases where we've learned that it matters,
+// we can make the check conditionally.
+int VersionCmp(time_zone tz, const std::string& target) {
+ std::string version = tz.version();
+ if (version.empty() && !target.empty()) return 1; // unknown > known
+ return version.compare(target);
+}
+
} // namespace
//
@@ -81,33 +84,36 @@ void TestFormatSpecifier(time_point<D> tp, time_zone tz, const std::string& fmt,
TEST(Format, TimePointResolution) {
const char kFmt[] = "%H:%M:%E*S";
const time_zone utc = utc_time_zone();
- const time_point<nanoseconds> t0 = system_clock::from_time_t(1420167845) +
- milliseconds(123) + microseconds(456) +
- nanoseconds(789);
- EXPECT_EQ("03:04:05.123456789",
- format(kFmt, time_point_cast<nanoseconds>(t0), utc));
- EXPECT_EQ("03:04:05.123456",
- format(kFmt, time_point_cast<microseconds>(t0), utc));
- EXPECT_EQ("03:04:05.123",
- format(kFmt, time_point_cast<milliseconds>(t0), utc));
+ const time_point<chrono::nanoseconds> t0 =
+ chrono::system_clock::from_time_t(1420167845) +
+ chrono::milliseconds(123) + chrono::microseconds(456) +
+ chrono::nanoseconds(789);
+ EXPECT_EQ(
+ "03:04:05.123456789",
+ format(kFmt, chrono::time_point_cast<chrono::nanoseconds>(t0), utc));
+ EXPECT_EQ(
+ "03:04:05.123456",
+ format(kFmt, chrono::time_point_cast<chrono::microseconds>(t0), utc));
+ EXPECT_EQ(
+ "03:04:05.123",
+ format(kFmt, chrono::time_point_cast<chrono::milliseconds>(t0), utc));
EXPECT_EQ("03:04:05",
- format(kFmt, time_point_cast<seconds>(t0), utc));
+ format(kFmt, chrono::time_point_cast<chrono::seconds>(t0), utc));
EXPECT_EQ("03:04:05",
- format(kFmt, time_point_cast<sys_seconds>(t0), utc));
+ format(kFmt, chrono::time_point_cast<absl::time_internal::cctz::seconds>(t0), utc));
EXPECT_EQ("03:04:00",
- format(kFmt, time_point_cast<minutes>(t0), utc));
+ format(kFmt, chrono::time_point_cast<chrono::minutes>(t0), utc));
EXPECT_EQ("03:00:00",
- format(kFmt, time_point_cast<hours>(t0), utc));
+ format(kFmt, chrono::time_point_cast<chrono::hours>(t0), utc));
}
TEST(Format, TimePointExtendedResolution) {
const char kFmt[] = "%H:%M:%E*S";
const time_zone utc = utc_time_zone();
- const time_point<sys_seconds> tp =
- std::chrono::time_point_cast<sys_seconds>(
- std::chrono::system_clock::from_time_t(0)) +
- std::chrono::hours(12) + std::chrono::minutes(34) +
- std::chrono::seconds(56);
+ const time_point<absl::time_internal::cctz::seconds> tp =
+ chrono::time_point_cast<absl::time_internal::cctz::seconds>(
+ chrono::system_clock::from_time_t(0)) +
+ chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56);
EXPECT_EQ(
"12:34:56.123456789012345",
@@ -132,7 +138,7 @@ TEST(Format, TimePointExtendedResolution) {
TEST(Format, Basics) {
time_zone tz = utc_time_zone();
- time_point<nanoseconds> tp = system_clock::from_time_t(0);
+ time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0);
// Starts with a couple basic edge cases.
EXPECT_EQ("", format("", tp, tz));
@@ -145,8 +151,9 @@ TEST(Format, Basics) {
std::string bigger(100000, 'x');
EXPECT_EQ(bigger, format(bigger, tp, tz));
- tp += hours(13) + minutes(4) + seconds(5);
- tp += milliseconds(6) + microseconds(7) + nanoseconds(8);
+ tp += chrono::hours(13) + chrono::minutes(4) + chrono::seconds(5);
+ tp += chrono::milliseconds(6) + chrono::microseconds(7) +
+ chrono::nanoseconds(8);
EXPECT_EQ("1970-01-01", format("%Y-%m-%d", tp, tz));
EXPECT_EQ("13:04:05", format("%H:%M:%S", tp, tz));
EXPECT_EQ("13:04:05.006", format("%H:%M:%E3S", tp, tz));
@@ -156,7 +163,7 @@ TEST(Format, Basics) {
TEST(Format, PosixConversions) {
const time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
TestFormatSpecifier(tp, tz, "%d", "01");
TestFormatSpecifier(tp, tz, "%e", " 1"); // extension but internal support
@@ -196,7 +203,7 @@ TEST(Format, PosixConversions) {
TEST(Format, LocaleSpecific) {
const time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
TestFormatSpecifier(tp, tz, "%a", "Thu");
TestFormatSpecifier(tp, tz, "%A", "Thursday");
@@ -205,8 +212,8 @@ TEST(Format, LocaleSpecific) {
// %c should at least produce the numeric year and time-of-day.
const std::string s = format("%c", tp, utc_time_zone());
- EXPECT_THAT(s, HasSubstr("1970"));
- EXPECT_THAT(s, HasSubstr("00:00:00"));
+ EXPECT_THAT(s, testing::HasSubstr("1970"));
+ EXPECT_THAT(s, testing::HasSubstr("00:00:00"));
TestFormatSpecifier(tp, tz, "%p", "AM");
TestFormatSpecifier(tp, tz, "%x", "01/01/70");
@@ -245,7 +252,7 @@ TEST(Format, LocaleSpecific) {
TEST(Format, Escaping) {
const time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
TestFormatSpecifier(tp, tz, "%%", "%");
TestFormatSpecifier(tp, tz, "%%a", "%a");
@@ -266,8 +273,8 @@ TEST(Format, ExtendedSeconds) {
const time_zone tz = utc_time_zone();
// No subseconds.
- time_point<nanoseconds> tp = system_clock::from_time_t(0);
- tp += seconds(5);
+ time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0);
+ tp += chrono::seconds(5);
EXPECT_EQ("05", format("%E*S", tp, tz));
EXPECT_EQ("05", format("%E0S", tp, tz));
EXPECT_EQ("05.0", format("%E1S", tp, tz));
@@ -287,7 +294,8 @@ TEST(Format, ExtendedSeconds) {
EXPECT_EQ("05.000000000000000", format("%E15S", tp, tz));
// With subseconds.
- tp += milliseconds(6) + microseconds(7) + nanoseconds(8);
+ tp += chrono::milliseconds(6) + chrono::microseconds(7) +
+ chrono::nanoseconds(8);
EXPECT_EQ("05.006007008", format("%E*S", tp, tz));
EXPECT_EQ("05", format("%E0S", tp, tz));
EXPECT_EQ("05.0", format("%E1S", tp, tz));
@@ -307,17 +315,18 @@ TEST(Format, ExtendedSeconds) {
EXPECT_EQ("05.006007008000000", format("%E15S", tp, tz));
// Times before the Unix epoch.
- tp = system_clock::from_time_t(0) + microseconds(-1);
+ tp = chrono::system_clock::from_time_t(0) + chrono::microseconds(-1);
EXPECT_EQ("1969-12-31 23:59:59.999999",
format("%Y-%m-%d %H:%M:%E*S", tp, tz));
// Here is a "%E*S" case we got wrong for a while. While the first
// instant below is correctly rendered as "...:07.333304", the second
// one used to appear as "...:07.33330499999999999".
- tp = system_clock::from_time_t(0) + microseconds(1395024427333304);
+ tp = chrono::system_clock::from_time_t(0) +
+ chrono::microseconds(1395024427333304);
EXPECT_EQ("2014-03-17 02:47:07.333304",
format("%Y-%m-%d %H:%M:%E*S", tp, tz));
- tp += microseconds(1);
+ tp += chrono::microseconds(1);
EXPECT_EQ("2014-03-17 02:47:07.333305",
format("%Y-%m-%d %H:%M:%E*S", tp, tz));
}
@@ -326,8 +335,8 @@ TEST(Format, ExtendedSubeconds) {
const time_zone tz = utc_time_zone();
// No subseconds.
- time_point<nanoseconds> tp = system_clock::from_time_t(0);
- tp += seconds(5);
+ time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0);
+ tp += chrono::seconds(5);
EXPECT_EQ("0", format("%E*f", tp, tz));
EXPECT_EQ("", format("%E0f", tp, tz));
EXPECT_EQ("0", format("%E1f", tp, tz));
@@ -347,7 +356,8 @@ TEST(Format, ExtendedSubeconds) {
EXPECT_EQ("000000000000000", format("%E15f", tp, tz));
// With subseconds.
- tp += milliseconds(6) + microseconds(7) + nanoseconds(8);
+ tp += chrono::milliseconds(6) + chrono::microseconds(7) +
+ chrono::nanoseconds(8);
EXPECT_EQ("006007008", format("%E*f", tp, tz));
EXPECT_EQ("", format("%E0f", tp, tz));
EXPECT_EQ("0", format("%E1f", tp, tz));
@@ -367,17 +377,18 @@ TEST(Format, ExtendedSubeconds) {
EXPECT_EQ("006007008000000", format("%E15f", tp, tz));
// Times before the Unix epoch.
- tp = system_clock::from_time_t(0) + microseconds(-1);
+ tp = chrono::system_clock::from_time_t(0) + chrono::microseconds(-1);
EXPECT_EQ("1969-12-31 23:59:59.999999",
format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz));
// Here is a "%E*S" case we got wrong for a while. While the first
// instant below is correctly rendered as "...:07.333304", the second
// one used to appear as "...:07.33330499999999999".
- tp = system_clock::from_time_t(0) + microseconds(1395024427333304);
+ tp = chrono::system_clock::from_time_t(0) +
+ chrono::microseconds(1395024427333304);
EXPECT_EQ("2014-03-17 02:47:07.333304",
format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz));
- tp += microseconds(1);
+ tp += chrono::microseconds(1);
EXPECT_EQ("2014-03-17 02:47:07.333305",
format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz));
}
@@ -392,8 +403,8 @@ TEST(Format, CompareExtendSecondsVsSubseconds) {
auto fmt_B = [](const std::string& prec) { return "%S.%E" + prec + "f"; };
// No subseconds:
- time_point<nanoseconds> tp = system_clock::from_time_t(0);
- tp += seconds(5);
+ time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0);
+ tp += chrono::seconds(5);
// ... %E*S and %S.%E*f are different.
EXPECT_EQ("05", format(fmt_A("*"), tp, tz));
EXPECT_EQ("05.0", format(fmt_B("*"), tp, tz));
@@ -409,7 +420,8 @@ TEST(Format, CompareExtendSecondsVsSubseconds) {
// With subseconds:
// ... %E*S and %S.%E*f are the same.
- tp += milliseconds(6) + microseconds(7) + nanoseconds(8);
+ tp += chrono::milliseconds(6) + chrono::microseconds(7) +
+ chrono::nanoseconds(8);
EXPECT_EQ("05.006007008", format(fmt_A("*"), tp, tz));
EXPECT_EQ("05.006007008", format(fmt_B("*"), tp, tz));
// ... %E0S and %S.%E0f are different.
@@ -424,7 +436,7 @@ TEST(Format, CompareExtendSecondsVsSubseconds) {
}
TEST(Format, ExtendedOffset) {
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
time_zone tz = utc_time_zone();
TestFormatSpecifier(tp, tz, "%Ez", "+00:00");
@@ -446,30 +458,28 @@ TEST(Format, ExtendedOffset) {
TEST(Format, ExtendedSecondOffset) {
const time_zone utc = utc_time_zone();
- time_point<seconds> tp;
+ time_point<chrono::seconds> tp;
time_zone tz;
EXPECT_TRUE(load_time_zone("America/New_York", &tz));
tp = convert(civil_second(1883, 11, 18, 16, 59, 59), utc);
if (tz.lookup(tp).offset == -5 * 60 * 60) {
- // We're likely dealing with zoneinfo that doesn't support really old
- // timestamps, so America/New_York never looks to be on local mean time.
+ // It looks like the tzdata is only 32 bit (probably macOS),
+ // which bottoms out at 1901-12-13T20:45:52+00:00.
} else {
TestFormatSpecifier(tp, tz, "%E*z", "-04:56:02");
TestFormatSpecifier(tp, tz, "%Ez", "-04:56");
}
- tp += seconds(1);
+ tp += chrono::seconds(1);
TestFormatSpecifier(tp, tz, "%E*z", "-05:00:00");
EXPECT_TRUE(load_time_zone("Europe/Moscow", &tz));
tp = convert(civil_second(1919, 6, 30, 23, 59, 59), utc);
-#if defined(__ANDROID__) && __ANDROID_API__ < 25
- // Only Android 'N'.1 and beyond have this tz2016g transition.
-#else
- TestFormatSpecifier(tp, tz, "%E*z", "+04:31:19");
- TestFormatSpecifier(tp, tz, "%Ez", "+04:31");
-#endif
- tp += seconds(1);
+ if (VersionCmp(tz, "2016g") >= 0) {
+ TestFormatSpecifier(tp, tz, "%E*z", "+04:31:19");
+ TestFormatSpecifier(tp, tz, "%Ez", "+04:31");
+ }
+ tp += chrono::seconds(1);
TestFormatSpecifier(tp, tz, "%E*z", "+04:00:00");
}
@@ -510,44 +520,44 @@ TEST(Format, RFC3339Format) {
time_zone tz;
EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz));
- time_point<nanoseconds> tp =
+ time_point<chrono::nanoseconds> tp =
convert(civil_second(1977, 6, 28, 9, 8, 7), tz);
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += milliseconds(100);
+ tp += chrono::milliseconds(100);
EXPECT_EQ("1977-06-28T09:08:07.1-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += milliseconds(20);
+ tp += chrono::milliseconds(20);
EXPECT_EQ("1977-06-28T09:08:07.12-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += milliseconds(3);
+ tp += chrono::milliseconds(3);
EXPECT_EQ("1977-06-28T09:08:07.123-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += microseconds(400);
+ tp += chrono::microseconds(400);
EXPECT_EQ("1977-06-28T09:08:07.1234-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += microseconds(50);
+ tp += chrono::microseconds(50);
EXPECT_EQ("1977-06-28T09:08:07.12345-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += microseconds(6);
+ tp += chrono::microseconds(6);
EXPECT_EQ("1977-06-28T09:08:07.123456-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += nanoseconds(700);
+ tp += chrono::nanoseconds(700);
EXPECT_EQ("1977-06-28T09:08:07.1234567-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += nanoseconds(80);
+ tp += chrono::nanoseconds(80);
EXPECT_EQ("1977-06-28T09:08:07.12345678-07:00", format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
- tp += nanoseconds(9);
+ tp += chrono::nanoseconds(9);
EXPECT_EQ("1977-06-28T09:08:07.123456789-07:00",
format(RFC3339_full, tp, tz));
EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz));
@@ -570,13 +580,13 @@ TEST(Parse, TimePointResolution) {
const char kFmt[] = "%H:%M:%E*S";
const time_zone utc = utc_time_zone();
- time_point<nanoseconds> tp_ns;
+ time_point<chrono::nanoseconds> tp_ns;
EXPECT_TRUE(parse(kFmt, "03:04:05.123456789", utc, &tp_ns));
EXPECT_EQ("03:04:05.123456789", format(kFmt, tp_ns, utc));
EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_ns));
EXPECT_EQ("03:04:05.123456", format(kFmt, tp_ns, utc));
- time_point<microseconds> tp_us;
+ time_point<chrono::microseconds> tp_us;
EXPECT_TRUE(parse(kFmt, "03:04:05.123456789", utc, &tp_us));
EXPECT_EQ("03:04:05.123456", format(kFmt, tp_us, utc));
EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_us));
@@ -584,7 +594,7 @@ TEST(Parse, TimePointResolution) {
EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_us));
EXPECT_EQ("03:04:05.123", format(kFmt, tp_us, utc));
- time_point<milliseconds> tp_ms;
+ time_point<chrono::milliseconds> tp_ms;
EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_ms));
EXPECT_EQ("03:04:05.123", format(kFmt, tp_ms, utc));
EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_ms));
@@ -592,17 +602,17 @@ TEST(Parse, TimePointResolution) {
EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_ms));
EXPECT_EQ("03:04:05", format(kFmt, tp_ms, utc));
- time_point<seconds> tp_s;
+ time_point<chrono::seconds> tp_s;
EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_s));
EXPECT_EQ("03:04:05", format(kFmt, tp_s, utc));
EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_s));
EXPECT_EQ("03:04:05", format(kFmt, tp_s, utc));
- time_point<minutes> tp_m;
+ time_point<chrono::minutes> tp_m;
EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_m));
EXPECT_EQ("03:04:00", format(kFmt, tp_m, utc));
- time_point<hours> tp_h;
+ time_point<chrono::hours> tp_h;
EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_h));
EXPECT_EQ("03:00:00", format(kFmt, tp_h, utc));
}
@@ -611,7 +621,7 @@ TEST(Parse, TimePointExtendedResolution) {
const char kFmt[] = "%H:%M:%E*S";
const time_zone utc = utc_time_zone();
- time_point<sys_seconds> tp;
+ time_point<absl::time_internal::cctz::seconds> tp;
detail::femtoseconds fs;
EXPECT_TRUE(detail::parse(kFmt, "12:34:56.123456789012345", utc, &tp, &fs));
EXPECT_EQ("12:34:56.123456789012345", detail::format(kFmt, tp, fs, utc));
@@ -629,11 +639,12 @@ TEST(Parse, TimePointExtendedResolution) {
TEST(Parse, Basics) {
time_zone tz = utc_time_zone();
- time_point<nanoseconds> tp = system_clock::from_time_t(1234567890);
+ time_point<chrono::nanoseconds> tp =
+ chrono::system_clock::from_time_t(1234567890);
// Simple edge cases.
EXPECT_TRUE(parse("", "", tz, &tp));
- EXPECT_EQ(system_clock::from_time_t(0), tp); // everything defaulted
+ EXPECT_EQ(chrono::system_clock::from_time_t(0), tp); // everything defaulted
EXPECT_TRUE(parse(" ", " ", tz, &tp));
EXPECT_TRUE(parse(" ", " ", tz, &tp));
EXPECT_TRUE(parse("x", "x", tz, &tp));
@@ -647,7 +658,7 @@ TEST(Parse, Basics) {
TEST(Parse, WithTimeZone) {
time_zone tz;
EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz));
- time_point<nanoseconds> tp;
+ time_point<chrono::nanoseconds> tp;
// We can parse a std::string without a UTC offset if we supply a timezone.
EXPECT_TRUE(parse("%Y-%m-%d %H:%M:%S", "2013-06-28 19:08:09", tz, &tp));
@@ -672,7 +683,7 @@ TEST(Parse, WithTimeZone) {
TEST(Parse, LeapSecond) {
time_zone tz;
EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz));
- time_point<nanoseconds> tp;
+ time_point<chrono::nanoseconds> tp;
// ":59" -> ":59"
EXPECT_TRUE(parse(RFC3339_full, "2013-06-28T07:08:59-08:00", tz, &tp));
@@ -696,7 +707,7 @@ TEST(Parse, LeapSecond) {
TEST(Parse, ErrorCases) {
const time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
// Illegal trailing data.
EXPECT_FALSE(parse("%S", "123", tz, &tp));
@@ -739,7 +750,7 @@ TEST(Parse, ErrorCases) {
TEST(Parse, PosixConversions) {
time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
const auto reset = convert(civil_second(1977, 6, 28, 9, 8, 7), tz);
tp = reset;
@@ -828,14 +839,14 @@ TEST(Parse, PosixConversions) {
tp = reset;
EXPECT_TRUE(parse("%s", "1234567890", tz, &tp));
- EXPECT_EQ(system_clock::from_time_t(1234567890), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp);
// %s conversion, like %z/%Ez, pays no heed to the optional zone.
time_zone lax;
EXPECT_TRUE(load_time_zone("America/Los_Angeles", &lax));
tp = reset;
EXPECT_TRUE(parse("%s", "1234567890", lax, &tp));
- EXPECT_EQ(system_clock::from_time_t(1234567890), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp);
// This is most important when the time has the same YMDhms
// breakdown in the zone as some other time. For example, ...
@@ -843,16 +854,16 @@ TEST(Parse, PosixConversions) {
// 1414920600 in US/Pacific -> Sun Nov 2 01:30:00 2014 (PST)
tp = reset;
EXPECT_TRUE(parse("%s", "1414917000", lax, &tp));
- EXPECT_EQ(system_clock::from_time_t(1414917000), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(1414917000), tp);
tp = reset;
EXPECT_TRUE(parse("%s", "1414920600", lax, &tp));
- EXPECT_EQ(system_clock::from_time_t(1414920600), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(1414920600), tp);
#endif
}
TEST(Parse, LocaleSpecific) {
time_zone tz = utc_time_zone();
- auto tp = system_clock::from_time_t(0);
+ auto tp = chrono::system_clock::from_time_t(0);
const auto reset = convert(civil_second(1977, 6, 28, 9, 8, 7), tz);
// %a is parsed but ignored.
@@ -983,7 +994,8 @@ TEST(Parse, LocaleSpecific) {
TEST(Parse, ExtendedSeconds) {
const time_zone tz = utc_time_zone();
- const time_point<nanoseconds> unix_epoch = system_clock::from_time_t(0);
+ const time_point<chrono::nanoseconds> unix_epoch =
+ chrono::system_clock::from_time_t(0);
// All %E<prec>S cases are treated the same as %E*S on input.
auto precisions = {"*", "0", "1", "2", "3", "4", "5", "6", "7",
@@ -991,47 +1003,47 @@ TEST(Parse, ExtendedSeconds) {
for (const std::string& prec : precisions) {
const std::string fmt = "%E" + prec + "S";
SCOPED_TRACE(fmt);
- time_point<nanoseconds> tp = unix_epoch;
+ time_point<chrono::nanoseconds> tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "5", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.0", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.00", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.6", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.60", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.600", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.67", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(670), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(670), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.670", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(670), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(670), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "05.678", tz, &tp));
- EXPECT_EQ(unix_epoch + seconds(5) + milliseconds(678), tp);
+ EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(678), tp);
}
// Here is a "%E*S" case we got wrong for a while. The fractional
// part of the first instant is less than 2^31 and was correctly
// parsed, while the second (and any subsecond field >=2^31) failed.
- time_point<nanoseconds> tp = unix_epoch;
+ time_point<chrono::nanoseconds> tp = unix_epoch;
EXPECT_TRUE(parse("%E*S", "0.2147483647", tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
tp = unix_epoch;
EXPECT_TRUE(parse("%E*S", "0.2147483648", tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
// We should also be able to specify long strings of digits far
// beyond the current resolution and have them convert the same way.
@@ -1039,18 +1051,18 @@ TEST(Parse, ExtendedSeconds) {
EXPECT_TRUE(parse(
"%E*S", "0.214748364801234567890123456789012345678901234567890123456789",
tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
}
TEST(Parse, ExtendedSecondsScan) {
const time_zone tz = utc_time_zone();
- time_point<nanoseconds> tp;
+ time_point<chrono::nanoseconds> tp;
for (int ms = 0; ms < 1000; ms += 111) {
for (int us = 0; us < 1000; us += 27) {
const int micros = ms * 1000 + us;
for (int ns = 0; ns < 1000; ns += 9) {
- const auto expected =
- system_clock::from_time_t(0) + nanoseconds(micros * 1000 + ns);
+ const auto expected = chrono::system_clock::from_time_t(0) +
+ chrono::nanoseconds(micros * 1000 + ns);
std::ostringstream oss;
oss << "0." << std::setfill('0') << std::setw(3);
oss << ms << std::setw(3) << us << std::setw(3) << ns;
@@ -1064,7 +1076,8 @@ TEST(Parse, ExtendedSecondsScan) {
TEST(Parse, ExtendedSubeconds) {
const time_zone tz = utc_time_zone();
- const time_point<nanoseconds> unix_epoch = system_clock::from_time_t(0);
+ const time_point<chrono::nanoseconds> unix_epoch =
+ chrono::system_clock::from_time_t(0);
// All %E<prec>f cases are treated the same as %E*f on input.
auto precisions = {"*", "0", "1", "2", "3", "4", "5", "6", "7",
@@ -1072,41 +1085,42 @@ TEST(Parse, ExtendedSubeconds) {
for (const std::string& prec : precisions) {
const std::string fmt = "%E" + prec + "f";
SCOPED_TRACE(fmt);
- time_point<nanoseconds> tp = unix_epoch - seconds(1);
+ time_point<chrono::nanoseconds> tp = unix_epoch - chrono::seconds(1);
EXPECT_TRUE(parse(fmt, "", tz, &tp));
EXPECT_EQ(unix_epoch, tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "6", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "60", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "600", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(600), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "67", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(670), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(670), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "670", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(670), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(670), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "678", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(678), tp);
+ EXPECT_EQ(unix_epoch + chrono::milliseconds(678), tp);
tp = unix_epoch;
EXPECT_TRUE(parse(fmt, "6789", tz, &tp));
- EXPECT_EQ(unix_epoch + milliseconds(678) + microseconds(900), tp);
+ EXPECT_EQ(
+ unix_epoch + chrono::milliseconds(678) + chrono::microseconds(900), tp);
}
// Here is a "%E*f" case we got wrong for a while. The fractional
// part of the first instant is less than 2^31 and was correctly
// parsed, while the second (and any subsecond field >=2^31) failed.
- time_point<nanoseconds> tp = unix_epoch;
+ time_point<chrono::nanoseconds> tp = unix_epoch;
EXPECT_TRUE(parse("%E*f", "2147483647", tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
tp = unix_epoch;
EXPECT_TRUE(parse("%E*f", "2147483648", tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
// We should also be able to specify long strings of digits far
// beyond the current resolution and have them convert the same way.
@@ -1114,11 +1128,11 @@ TEST(Parse, ExtendedSubeconds) {
EXPECT_TRUE(parse(
"%E*f", "214748364801234567890123456789012345678901234567890123456789",
tz, &tp));
- EXPECT_EQ(unix_epoch + nanoseconds(214748364), tp);
+ EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp);
}
TEST(Parse, ExtendedSubecondsScan) {
- time_point<nanoseconds> tp;
+ time_point<chrono::nanoseconds> tp;
const time_zone tz = utc_time_zone();
for (int ms = 0; ms < 1000; ms += 111) {
for (int us = 0; us < 1000; us += 27) {
@@ -1128,14 +1142,14 @@ TEST(Parse, ExtendedSubecondsScan) {
oss << std::setfill('0') << std::setw(3) << ms;
oss << std::setw(3) << us << std::setw(3) << ns;
const std::string nanos = oss.str();
- const auto expected =
- system_clock::from_time_t(0) + nanoseconds(micros * 1000 + ns);
+ const auto expected = chrono::system_clock::from_time_t(0) +
+ chrono::nanoseconds(micros * 1000 + ns);
for (int ps = 0; ps < 1000; ps += 250) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(3) << ps;
const std::string input = nanos + oss.str() + "999";
EXPECT_TRUE(parse("%E*f", input, tz, &tp));
- EXPECT_EQ(expected + nanoseconds(ps) / 1000, tp) << input;
+ EXPECT_EQ(expected + chrono::nanoseconds(ps) / 1000, tp) << input;
}
}
}
@@ -1144,7 +1158,7 @@ TEST(Parse, ExtendedSubecondsScan) {
TEST(Parse, ExtendedOffset) {
const time_zone utc = utc_time_zone();
- time_point<sys_seconds> tp;
+ time_point<absl::time_internal::cctz::seconds> tp;
// %z against +-HHMM.
EXPECT_TRUE(parse("%z", "+0000", utc, &tp));
@@ -1194,7 +1208,7 @@ TEST(Parse, ExtendedOffset) {
TEST(Parse, ExtendedSecondOffset) {
const time_zone utc = utc_time_zone();
- time_point<sys_seconds> tp;
+ time_point<absl::time_internal::cctz::seconds> tp;
// %Ez against +-HH:MM:SS.
EXPECT_TRUE(parse("%Ez", "+00:00:00", utc, &tp));
@@ -1263,7 +1277,7 @@ TEST(Parse, ExtendedSecondOffset) {
TEST(Parse, ExtendedYears) {
const time_zone utc = utc_time_zone();
const char e4y_fmt[] = "%E4Y%m%d"; // no separators
- time_point<sys_seconds> tp;
+ time_point<absl::time_internal::cctz::seconds> tp;
// %E4Y consumes exactly four chars, including any sign.
EXPECT_TRUE(parse(e4y_fmt, "-9991127", utc, &tp));
@@ -1294,45 +1308,45 @@ TEST(Parse, ExtendedYears) {
TEST(Parse, RFC3339Format) {
const time_zone tz = utc_time_zone();
- time_point<nanoseconds> tp;
+ time_point<chrono::nanoseconds> tp;
EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12T20:21:00+00:00", tz, &tp));
ExpectTime(tp, tz, 2014, 2, 12, 20, 21, 0, 0, false, "UTC");
// Check that %Ez also accepts "Z" as a synonym for "+00:00".
- time_point<nanoseconds> tp2;
+ time_point<chrono::nanoseconds> tp2;
EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12T20:21:00Z", tz, &tp2));
EXPECT_EQ(tp, tp2);
}
TEST(Parse, MaxRange) {
const time_zone utc = utc_time_zone();
- time_point<sys_seconds> tp;
+ time_point<absl::time_internal::cctz::seconds> tp;
// tests the upper limit using +00:00 offset
EXPECT_TRUE(
parse(RFC3339_sec, "292277026596-12-04T15:30:07+00:00", utc, &tp));
- EXPECT_EQ(tp, time_point<sys_seconds>::max());
+ EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::max());
EXPECT_FALSE(
parse(RFC3339_sec, "292277026596-12-04T15:30:08+00:00", utc, &tp));
// tests the upper limit using -01:00 offset
EXPECT_TRUE(
parse(RFC3339_sec, "292277026596-12-04T14:30:07-01:00", utc, &tp));
- EXPECT_EQ(tp, time_point<sys_seconds>::max());
+ EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::max());
EXPECT_FALSE(
parse(RFC3339_sec, "292277026596-12-04T15:30:07-01:00", utc, &tp));
// tests the lower limit using +00:00 offset
EXPECT_TRUE(
parse(RFC3339_sec, "-292277022657-01-27T08:29:52+00:00", utc, &tp));
- EXPECT_EQ(tp, time_point<sys_seconds>::min());
+ EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::min());
EXPECT_FALSE(
parse(RFC3339_sec, "-292277022657-01-27T08:29:51+00:00", utc, &tp));
// tests the lower limit using +01:00 offset
EXPECT_TRUE(
parse(RFC3339_sec, "-292277022657-01-27T09:29:52+01:00", utc, &tp));
- EXPECT_EQ(tp, time_point<sys_seconds>::min());
+ EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::min());
EXPECT_FALSE(
parse(RFC3339_sec, "-292277022657-01-27T08:29:51+01:00", utc, &tp));
@@ -1355,11 +1369,11 @@ TEST(FormatParse, RoundTrip) {
time_zone lax;
EXPECT_TRUE(load_time_zone("America/Los_Angeles", &lax));
const auto in = convert(civil_second(1977, 6, 28, 9, 8, 7), lax);
- const auto subseconds = nanoseconds(654321);
+ const auto subseconds = chrono::nanoseconds(654321);
// RFC3339, which renders subseconds.
{
- time_point<nanoseconds> out;
+ time_point<chrono::nanoseconds> out;
const std::string s = format(RFC3339_full, in + subseconds, lax);
EXPECT_TRUE(parse(RFC3339_full, s, lax, &out)) << s;
EXPECT_EQ(in + subseconds, out); // RFC3339_full includes %Ez
@@ -1367,7 +1381,7 @@ TEST(FormatParse, RoundTrip) {
// RFC1123, which only does whole seconds.
{
- time_point<nanoseconds> out;
+ time_point<chrono::nanoseconds> out;
const std::string s = format(RFC1123_full, in, lax);
EXPECT_TRUE(parse(RFC1123_full, s, lax, &out)) << s;
EXPECT_EQ(in, out); // RFC1123_full includes %z
@@ -1380,7 +1394,7 @@ TEST(FormatParse, RoundTrip) {
// Even though we don't know what %c will produce, it should roundtrip,
// but only in the 0-offset timezone.
{
- time_point<nanoseconds> out;
+ time_point<chrono::nanoseconds> out;
time_zone utc = utc_time_zone();
const std::string s = format("%c", in, utc);
EXPECT_TRUE(parse("%c", s, utc, &out)) << s;
@@ -1391,18 +1405,18 @@ TEST(FormatParse, RoundTrip) {
TEST(FormatParse, RoundTripDistantFuture) {
const time_zone utc = utc_time_zone();
- const time_point<sys_seconds> in = time_point<sys_seconds>::max();
+ const time_point<absl::time_internal::cctz::seconds> in = time_point<absl::time_internal::cctz::seconds>::max();
const std::string s = format(RFC3339_full, in, utc);
- time_point<sys_seconds> out;
+ time_point<absl::time_internal::cctz::seconds> out;
EXPECT_TRUE(parse(RFC3339_full, s, utc, &out)) << s;
EXPECT_EQ(in, out);
}
TEST(FormatParse, RoundTripDistantPast) {
const time_zone utc = utc_time_zone();
- const time_point<sys_seconds> in = time_point<sys_seconds>::min();
+ const time_point<absl::time_internal::cctz::seconds> in = time_point<absl::time_internal::cctz::seconds>::min();
const std::string s = format(RFC3339_full, in, utc);
- time_point<sys_seconds> out;
+ time_point<absl::time_internal::cctz::seconds> out;
EXPECT_TRUE(parse(RFC3339_full, s, utc, &out)) << s;
EXPECT_EQ(in, out);
}
diff --git a/absl/time/internal/cctz/src/time_zone_if.h b/absl/time/internal/cctz/src/time_zone_if.h
index ce4da1b7..e4bd3866 100644
--- a/absl/time/internal/cctz/src/time_zone_if.h
+++ b/absl/time/internal/cctz/src/time_zone_if.h
@@ -37,30 +37,32 @@ class TimeZoneIf {
virtual ~TimeZoneIf();
virtual time_zone::absolute_lookup BreakTime(
- const time_point<sys_seconds>& tp) const = 0;
+ const time_point<seconds>& tp) const = 0;
virtual time_zone::civil_lookup MakeTime(
const civil_second& cs) const = 0;
+ virtual bool NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const = 0;
+ virtual bool PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const = 0;
+
+ virtual std::string Version() const = 0;
virtual std::string Description() const = 0;
- virtual bool NextTransition(time_point<sys_seconds>* tp) const = 0;
- virtual bool PrevTransition(time_point<sys_seconds>* tp) const = 0;
protected:
TimeZoneIf() {}
};
-// Convert between time_point<sys_seconds> and a count of seconds since
-// the Unix epoch. We assume that the std::chrono::system_clock and the
+// Convert between time_point<seconds> and a count of seconds since the
+// Unix epoch. We assume that the std::chrono::system_clock and the
// Unix clock are second aligned, but not that they share an epoch.
-inline std::int_fast64_t ToUnixSeconds(const time_point<sys_seconds>& tp) {
- return (tp - std::chrono::time_point_cast<sys_seconds>(
- std::chrono::system_clock::from_time_t(0)))
- .count();
+inline std::int_fast64_t ToUnixSeconds(const time_point<seconds>& tp) {
+ return (tp - std::chrono::time_point_cast<seconds>(
+ std::chrono::system_clock::from_time_t(0))).count();
}
-inline time_point<sys_seconds> FromUnixSeconds(std::int_fast64_t t) {
- return std::chrono::time_point_cast<sys_seconds>(
- std::chrono::system_clock::from_time_t(0)) +
- sys_seconds(t);
+inline time_point<seconds> FromUnixSeconds(std::int_fast64_t t) {
+ return std::chrono::time_point_cast<seconds>(
+ std::chrono::system_clock::from_time_t(0)) + seconds(t);
}
} // namespace cctz
diff --git a/absl/time/internal/cctz/src/time_zone_impl.cc b/absl/time/internal/cctz/src/time_zone_impl.cc
index b3f635f7..3062ccd3 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.cc
+++ b/absl/time/internal/cctz/src/time_zone_impl.cc
@@ -45,8 +45,8 @@ bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) {
const time_zone::Impl* const utc_impl = UTCImpl();
// First check for UTC (which is never a key in time_zone_map).
- auto offset = sys_seconds::zero();
- if (FixedOffsetFromName(name, &offset) && offset == sys_seconds::zero()) {
+ auto offset = seconds::zero();
+ if (FixedOffsetFromName(name, &offset) && offset == seconds::zero()) {
*tz = time_zone(utc_impl);
return true;
}
@@ -83,15 +83,6 @@ bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) {
return impl != utc_impl;
}
-const time_zone::Impl& time_zone::Impl::get(const time_zone& tz) {
- if (tz.impl_ == nullptr) {
- // Dereferencing an implicit-UTC time_zone is expected to be
- // rare, so we don't mind paying a small synchronization cost.
- return *UTCImpl();
- }
- return *tz.impl_;
-}
-
void time_zone::Impl::ClearTimeZoneMapTestOnly() {
std::lock_guard<std::mutex> lock(time_zone_mutex);
if (time_zone_map != nullptr) {
diff --git a/absl/time/internal/cctz/src/time_zone_impl.h b/absl/time/internal/cctz/src/time_zone_impl.h
index 2c1c30b6..14965ef5 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.h
+++ b/absl/time/internal/cctz/src/time_zone_impl.h
@@ -37,19 +37,18 @@ class time_zone::Impl {
// some other kind of error occurs. Note that loading "UTC" never fails.
static bool LoadTimeZone(const std::string& name, time_zone* tz);
- // Dereferences the time_zone to obtain its Impl.
- static const time_zone::Impl& get(const time_zone& tz);
-
// Clears the map of cached time zones. Primarily for use in benchmarks
// that gauge the performance of loading/parsing the time-zone data.
static void ClearTimeZoneMapTestOnly();
// The primary key is the time-zone ID (e.g., "America/New_York").
- const std::string& name() const { return name_; }
+ const std::string& Name() const {
+ // TODO: It would nice if the zoneinfo data included the zone name.
+ return name_;
+ }
// Breaks a time_point down to civil-time components in this time zone.
- time_zone::absolute_lookup BreakTime(
- const time_point<sys_seconds>& tp) const {
+ time_zone::absolute_lookup BreakTime(const time_point<seconds>& tp) const {
return zone_->BreakTime(tp);
}
@@ -60,28 +59,22 @@ class time_zone::Impl {
return zone_->MakeTime(cs);
}
- // Returns an implementation-specific description of this time zone.
- std::string Description() const { return zone_->Description(); }
-
// Finds the time of the next/previous offset change in this time zone.
- //
- // By definition, NextTransition(&tp) returns false when tp has its
- // maximum value, and PrevTransition(&tp) returns false when tp has its
- // mimimum value. If the zone has no transitions, the result will also
- // be false no matter what the argument.
- //
- // Otherwise, when tp has its mimimum value, NextTransition(&tp) returns
- // true and sets tp to the first recorded transition. Chains of calls
- // to NextTransition()/PrevTransition() will eventually return false,
- // but it is unspecified exactly when NextTransition(&tp) jumps to false,
- // or what time is set by PrevTransition(&tp) for a very distant tp.
- bool NextTransition(time_point<sys_seconds>* tp) const {
- return zone_->NextTransition(tp);
+ bool NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
+ return zone_->NextTransition(tp, trans);
}
- bool PrevTransition(time_point<sys_seconds>* tp) const {
- return zone_->PrevTransition(tp);
+ bool PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
+ return zone_->PrevTransition(tp, trans);
}
+ // Returns an implementation-defined version std::string for this time zone.
+ std::string Version() const { return zone_->Version(); }
+
+ // Returns an implementation-defined description of this time zone.
+ std::string Description() const { return zone_->Description(); }
+
private:
explicit Impl(const std::string& name);
static const Impl* UTCImpl();
diff --git a/absl/time/internal/cctz/src/time_zone_info.cc b/absl/time/internal/cctz/src/time_zone_info.cc
index 20bba28b..bf73635d 100644
--- a/absl/time/internal/cctz/src/time_zone_info.cc
+++ b/absl/time/internal/cctz/src/time_zone_info.cc
@@ -140,7 +140,7 @@ std::int_fast64_t TransOffset(bool leap_year, int jan1_weekday,
return (days * kSecsPerDay) + pt.time.offset;
}
-inline time_zone::civil_lookup MakeUnique(const time_point<sys_seconds>& tp) {
+inline time_zone::civil_lookup MakeUnique(const time_point<seconds>& tp) {
time_zone::civil_lookup cl;
cl.kind = time_zone::civil_lookup::UNIQUE;
cl.pre = cl.trans = cl.post = tp;
@@ -179,21 +179,20 @@ inline civil_second YearShift(const civil_second& cs, year_t shift) {
} // namespace
// What (no leap-seconds) UTC+seconds zoneinfo would look like.
-bool TimeZoneInfo::ResetToBuiltinUTC(const sys_seconds& offset) {
+bool TimeZoneInfo::ResetToBuiltinUTC(const seconds& offset) {
transition_types_.resize(1);
TransitionType& tt(transition_types_.back());
tt.utc_offset = static_cast<std::int_least32_t>(offset.count());
tt.is_dst = false;
tt.abbr_index = 0;
- // We temporarily add some redundant, contemporary (2012 through 2021)
+ // We temporarily add some redundant, contemporary (2013 through 2023)
// transitions for performance reasons. See TimeZoneInfo::LocalTime().
// TODO: Fix the performance issue and remove the extra transitions.
transitions_.clear();
transitions_.reserve(12);
for (const std::int_fast64_t unix_time : {
-(1LL << 59), // BIG_BANG
- 1325376000LL, // 2012-01-01T00:00:00+00:00
1356998400LL, // 2013-01-01T00:00:00+00:00
1388534400LL, // 2014-01-01T00:00:00+00:00
1420070400LL, // 2015-01-01T00:00:00+00:00
@@ -203,6 +202,8 @@ bool TimeZoneInfo::ResetToBuiltinUTC(const sys_seconds& offset) {
1546300800LL, // 2019-01-01T00:00:00+00:00
1577836800LL, // 2020-01-01T00:00:00+00:00
1609459200LL, // 2021-01-01T00:00:00+00:00
+ 1640995200LL, // 2022-01-01T00:00:00+00:00
+ 1672531200LL, // 2023-01-01T00:00:00+00:00
2147483647LL, // 2^31 - 1
}) {
Transition& tr(*transitions_.emplace(transitions_.end()));
@@ -218,8 +219,8 @@ bool TimeZoneInfo::ResetToBuiltinUTC(const sys_seconds& offset) {
future_spec_.clear(); // never needed for a fixed-offset zone
extended_ = false;
- tt.civil_max = LocalTime(sys_seconds::max().count(), tt).cs;
- tt.civil_min = LocalTime(sys_seconds::min().count(), tt).cs;
+ tt.civil_max = LocalTime(seconds::max().count(), tt).cs;
+ tt.civil_min = LocalTime(seconds::min().count(), tt).cs;
transitions_.shrink_to_fit();
return true;
@@ -519,6 +520,13 @@ bool TimeZoneInfo::Load(const std::string& name, ZoneInfoSource* zip) {
// We don't check for EOF so that we're forwards compatible.
+ // If we did not find version information during the standard loading
+ // process (as of tzh_version '3' that is unsupported), then ask the
+ // ZoneInfoSource for any out-of-bound version std::string it may be privy to.
+ if (version_.empty()) {
+ version_ = zip->Version();
+ }
+
// Trim redundant transitions. zic may have added these to work around
// differences between the glibc and reference implementations (see
// zic.c:dontmerge) and the Qt library (see zic.c:WORK_AROUND_QTBUG_53071).
@@ -565,10 +573,10 @@ bool TimeZoneInfo::Load(const std::string& name, ZoneInfoSource* zip) {
}
// Compute the maximum/minimum civil times that can be converted to a
- // time_point<sys_seconds> for each of the zone's transition types.
+ // time_point<seconds> for each of the zone's transition types.
for (auto& tt : transition_types_) {
- tt.civil_max = LocalTime(sys_seconds::max().count(), tt).cs;
- tt.civil_min = LocalTime(sys_seconds::min().count(), tt).cs;
+ tt.civil_max = LocalTime(seconds::max().count(), tt).cs;
+ tt.civil_min = LocalTime(seconds::min().count(), tt).cs;
}
transitions_.shrink_to_fit();
@@ -605,6 +613,10 @@ class FileZoneInfoSource : public ZoneInfoSource {
if (rc == 0) len_ -= offset;
return rc;
}
+ std::string Version() const override {
+ // TODO: It would nice if the zoneinfo data included the tzdb version.
+ return std::string();
+ }
protected:
explicit FileZoneInfoSource(
@@ -654,14 +666,15 @@ std::unique_ptr<ZoneInfoSource> FileZoneInfoSource::Open(
return std::unique_ptr<ZoneInfoSource>(new FileZoneInfoSource(fp, length));
}
-#if defined(__ANDROID__)
class AndroidZoneInfoSource : public FileZoneInfoSource {
public:
static std::unique_ptr<ZoneInfoSource> Open(const std::string& name);
+ std::string Version() const override { return version_; }
private:
- explicit AndroidZoneInfoSource(FILE* fp, std::size_t len)
- : FileZoneInfoSource(fp, len) {}
+ explicit AndroidZoneInfoSource(FILE* fp, std::size_t len, const char* vers)
+ : FileZoneInfoSource(fp, len), version_(vers) {}
+ std::string version_;
};
std::unique_ptr<ZoneInfoSource> AndroidZoneInfoSource::Open(
@@ -669,6 +682,7 @@ std::unique_ptr<ZoneInfoSource> AndroidZoneInfoSource::Open(
// Use of the "file:" prefix is intended for testing purposes only.
if (name.compare(0, 5, "file:") == 0) return Open(name.substr(5));
+#if defined(__ANDROID__)
// See Android's libc/tzcode/bionic.cpp for additional information.
for (const char* tzdata : {"/data/misc/zoneinfo/current/tzdata",
"/system/usr/share/zoneinfo/tzdata"}) {
@@ -678,6 +692,7 @@ std::unique_ptr<ZoneInfoSource> AndroidZoneInfoSource::Open(
char hbuf[24]; // covers header.zonetab_offset too
if (fread(hbuf, 1, sizeof(hbuf), fp.get()) != sizeof(hbuf)) continue;
if (strncmp(hbuf, "tzdata", 6) != 0) continue;
+ const char* vers = (hbuf[11] == '\0') ? hbuf + 6 : "";
const std::int_fast32_t index_offset = Decode32(hbuf + 12);
const std::int_fast32_t data_offset = Decode32(hbuf + 16);
if (index_offset < 0 || data_offset < index_offset) continue;
@@ -698,13 +713,13 @@ std::unique_ptr<ZoneInfoSource> AndroidZoneInfoSource::Open(
if (strcmp(name.c_str(), ebuf) == 0) {
if (fseek(fp.get(), static_cast<long>(start), SEEK_SET) != 0) break;
return std::unique_ptr<ZoneInfoSource>(new AndroidZoneInfoSource(
- fp.release(), static_cast<std::size_t>(length)));
+ fp.release(), static_cast<std::size_t>(length), vers));
}
}
}
+#endif // __ANDROID__
return nullptr;
}
-#endif
} // namespace
@@ -713,7 +728,7 @@ bool TimeZoneInfo::Load(const std::string& name) {
// zone never fails because the simple, fixed-offset state can be
// internally generated. Note that this depends on our choice to not
// accept leap-second encoded ("right") zoneinfo.
- auto offset = sys_seconds::zero();
+ auto offset = seconds::zero();
if (FixedOffsetFromName(name, &offset)) {
return ResetToBuiltinUTC(offset);
}
@@ -722,9 +737,7 @@ bool TimeZoneInfo::Load(const std::string& name) {
auto zip = cctz_extension::zone_info_source_factory(
name, [](const std::string& name) -> std::unique_ptr<ZoneInfoSource> {
if (auto zip = FileZoneInfoSource::Open(name)) return zip;
-#if defined(__ANDROID__)
if (auto zip = AndroidZoneInfoSource::Open(name)) return zip;
-#endif
return nullptr;
});
return zip != nullptr && Load(name, zip.get());
@@ -755,14 +768,14 @@ time_zone::civil_lookup TimeZoneInfo::TimeLocal(const civil_second& cs,
year_t c4_shift) const {
assert(last_year_ - 400 < cs.year() && cs.year() <= last_year_);
time_zone::civil_lookup cl = MakeTime(cs);
- if (c4_shift > sys_seconds::max().count() / kSecsPer400Years) {
- cl.pre = cl.trans = cl.post = time_point<sys_seconds>::max();
+ if (c4_shift > seconds::max().count() / kSecsPer400Years) {
+ cl.pre = cl.trans = cl.post = time_point<seconds>::max();
} else {
- const auto offset = sys_seconds(c4_shift * kSecsPer400Years);
- const auto limit = time_point<sys_seconds>::max() - offset;
+ const auto offset = seconds(c4_shift * kSecsPer400Years);
+ const auto limit = time_point<seconds>::max() - offset;
for (auto* tp : {&cl.pre, &cl.trans, &cl.post}) {
if (*tp > limit) {
- *tp = time_point<sys_seconds>::max();
+ *tp = time_point<seconds>::max();
} else {
*tp += offset;
}
@@ -772,7 +785,7 @@ time_zone::civil_lookup TimeZoneInfo::TimeLocal(const civil_second& cs,
}
time_zone::absolute_lookup TimeZoneInfo::BreakTime(
- const time_point<sys_seconds>& tp) const {
+ const time_point<seconds>& tp) const {
std::int_fast64_t unix_time = ToUnixSeconds(tp);
const std::size_t timecnt = transitions_.size();
assert(timecnt != 0); // We always add a transition.
@@ -788,7 +801,7 @@ time_zone::absolute_lookup TimeZoneInfo::BreakTime(
const std::int_fast64_t diff =
unix_time - transitions_[timecnt - 1].unix_time;
const year_t shift = diff / kSecsPer400Years + 1;
- const auto d = sys_seconds(shift * kSecsPer400Years);
+ const auto d = seconds(shift * kSecsPer400Years);
time_zone::absolute_lookup al = BreakTime(tp - d);
al.cs = YearShift(al.cs, shift * 400);
return al;
@@ -847,7 +860,7 @@ time_zone::civil_lookup TimeZoneInfo::MakeTime(const civil_second& cs) const {
if (tr->prev_civil_sec >= cs) {
// Before first transition, so use the default offset.
const TransitionType& tt(transition_types_[default_transition_type_]);
- if (cs < tt.civil_min) return MakeUnique(time_point<sys_seconds>::min());
+ if (cs < tt.civil_min) return MakeUnique(time_point<seconds>::min());
return MakeUnique(cs - (civil_second() + tt.utc_offset));
}
// tr->prev_civil_sec < cs < tr->civil_sec
@@ -864,7 +877,7 @@ time_zone::civil_lookup TimeZoneInfo::MakeTime(const civil_second& cs) const {
return TimeLocal(YearShift(cs, shift * -400), shift);
}
const TransitionType& tt(transition_types_[tr->type_index]);
- if (cs > tt.civil_max) return MakeUnique(time_point<sys_seconds>::max());
+ if (cs > tt.civil_max) return MakeUnique(time_point<seconds>::max());
return MakeUnique(tr->unix_time + (cs - tr->civil_sec));
}
// tr->civil_sec <= cs <= tr->prev_civil_sec
@@ -885,17 +898,20 @@ time_zone::civil_lookup TimeZoneInfo::MakeTime(const civil_second& cs) const {
return MakeUnique(tr->unix_time + (cs - tr->civil_sec));
}
+std::string TimeZoneInfo::Version() const {
+ return version_;
+}
+
std::string TimeZoneInfo::Description() const {
std::ostringstream oss;
- // TODO: It would nice if the zoneinfo data included the zone name.
- // TODO: It would nice if the zoneinfo data included the tzdb version.
oss << "#trans=" << transitions_.size();
oss << " #types=" << transition_types_.size();
oss << " spec='" << future_spec_ << "'";
return oss.str();
}
-bool TimeZoneInfo::NextTransition(time_point<sys_seconds>* tp) const {
+bool TimeZoneInfo::NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
if (transitions_.empty()) return false;
const Transition* begin = &transitions_[0];
const Transition* end = begin + transitions_.size();
@@ -904,22 +920,24 @@ bool TimeZoneInfo::NextTransition(time_point<sys_seconds>* tp) const {
// really a sentinel, not a transition. See tz/zic.c.
++begin;
}
- std::int_fast64_t unix_time = ToUnixSeconds(*tp);
+ std::int_fast64_t unix_time = ToUnixSeconds(tp);
const Transition target = { unix_time };
const Transition* tr = std::upper_bound(begin, end, target,
Transition::ByUnixTime());
- if (tr != begin) { // skip no-op transitions
- for (; tr != end; ++tr) {
- if (!EquivTransitions(tr[-1].type_index, tr[0].type_index)) break;
- }
+ for (; tr != end; ++tr) { // skip no-op transitions
+ std::uint_fast8_t prev_type_index =
+ (tr == begin) ? default_transition_type_ : tr[-1].type_index;
+ if (!EquivTransitions(prev_type_index, tr[0].type_index)) break;
}
// When tr == end we return false, ignoring future_spec_.
if (tr == end) return false;
- *tp = FromUnixSeconds(tr->unix_time);
+ trans->from = tr->prev_civil_sec + 1;
+ trans->to = tr->civil_sec;
return true;
}
-bool TimeZoneInfo::PrevTransition(time_point<sys_seconds>* tp) const {
+bool TimeZoneInfo::PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
if (transitions_.empty()) return false;
const Transition* begin = &transitions_[0];
const Transition* end = begin + transitions_.size();
@@ -928,11 +946,12 @@ bool TimeZoneInfo::PrevTransition(time_point<sys_seconds>* tp) const {
// really a sentinel, not a transition. See tz/zic.c.
++begin;
}
- std::int_fast64_t unix_time = ToUnixSeconds(*tp);
- if (FromUnixSeconds(unix_time) != *tp) {
+ std::int_fast64_t unix_time = ToUnixSeconds(tp);
+ if (FromUnixSeconds(unix_time) != tp) {
if (unix_time == std::numeric_limits<std::int_fast64_t>::max()) {
if (end == begin) return false; // Ignore future_spec_.
- *tp = FromUnixSeconds((--end)->unix_time);
+ trans->from = (--end)->prev_civil_sec + 1;
+ trans->to = end->civil_sec;
return true;
}
unix_time += 1; // ceils
@@ -940,14 +959,15 @@ bool TimeZoneInfo::PrevTransition(time_point<sys_seconds>* tp) const {
const Transition target = { unix_time };
const Transition* tr = std::lower_bound(begin, end, target,
Transition::ByUnixTime());
- if (tr != begin) { // skip no-op transitions
- for (; tr - 1 != begin; --tr) {
- if (!EquivTransitions(tr[-2].type_index, tr[-1].type_index)) break;
- }
+ for (; tr != begin; --tr) { // skip no-op transitions
+ std::uint_fast8_t prev_type_index =
+ (tr - 1 == begin) ? default_transition_type_ : tr[-2].type_index;
+ if (!EquivTransitions(prev_type_index, tr[-1].type_index)) break;
}
// When tr == end we return the "last" transition, ignoring future_spec_.
if (tr == begin) return false;
- *tp = FromUnixSeconds((--tr)->unix_time);
+ trans->from = (--tr)->prev_civil_sec + 1;
+ trans->to = tr->civil_sec;
return true;
}
diff --git a/absl/time/internal/cctz/src/time_zone_info.h b/absl/time/internal/cctz/src/time_zone_info.h
index b4d1696b..958e9b6b 100644
--- a/absl/time/internal/cctz/src/time_zone_info.h
+++ b/absl/time/internal/cctz/src/time_zone_info.h
@@ -71,12 +71,15 @@ class TimeZoneInfo : public TimeZoneIf {
// TimeZoneIf implementations.
time_zone::absolute_lookup BreakTime(
- const time_point<sys_seconds>& tp) const override;
+ const time_point<seconds>& tp) const override;
time_zone::civil_lookup MakeTime(
const civil_second& cs) const override;
+ bool NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const override;
+ bool PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const override;
+ std::string Version() const override;
std::string Description() const override;
- bool NextTransition(time_point<sys_seconds>* tp) const override;
- bool PrevTransition(time_point<sys_seconds>* tp) const override;
private:
struct Header { // counts of:
@@ -98,7 +101,7 @@ class TimeZoneInfo : public TimeZoneIf {
std::uint_fast8_t tt2_index) const;
void ExtendTransitions(const std::string& name, const Header& hdr);
- bool ResetToBuiltinUTC(const sys_seconds& offset);
+ bool ResetToBuiltinUTC(const seconds& offset);
bool Load(const std::string& name, ZoneInfoSource* zip);
// Helpers for BreakTime() and MakeTime().
@@ -114,6 +117,7 @@ class TimeZoneInfo : public TimeZoneIf {
std::uint_fast8_t default_transition_type_; // for before first transition
std::string abbreviations_; // all the NUL-terminated abbreviations
+ std::string version_; // the tzdata version if available
std::string future_spec_; // for after the last zic transition
bool extended_; // future_spec_ was used to generate transitions
year_t last_year_; // the final year of the generated transitions
diff --git a/absl/time/internal/cctz/src/time_zone_libc.cc b/absl/time/internal/cctz/src/time_zone_libc.cc
index b0b56a52..074c8d0a 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.cc
+++ b/absl/time/internal/cctz/src/time_zone_libc.cc
@@ -91,7 +91,7 @@ TimeZoneLibC::TimeZoneLibC(const std::string& name)
: local_(name == "localtime") {}
time_zone::absolute_lookup TimeZoneLibC::BreakTime(
- const time_point<sys_seconds>& tp) const {
+ const time_point<seconds>& tp) const {
time_zone::absolute_lookup al;
std::time_t t = ToUnixSeconds(tp);
std::tm tm;
@@ -139,16 +139,22 @@ time_zone::civil_lookup TimeZoneLibC::MakeTime(const civil_second& cs) const {
return cl;
}
-std::string TimeZoneLibC::Description() const {
- return local_ ? "localtime" : "UTC";
+bool TimeZoneLibC::NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
+ return false;
}
-bool TimeZoneLibC::NextTransition(time_point<sys_seconds>* tp) const {
+bool TimeZoneLibC::PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const {
return false;
}
-bool TimeZoneLibC::PrevTransition(time_point<sys_seconds>* tp) const {
- return false;
+std::string TimeZoneLibC::Version() const {
+ return std::string(); // unknown
+}
+
+std::string TimeZoneLibC::Description() const {
+ return local_ ? "localtime" : "UTC";
}
} // namespace cctz
diff --git a/absl/time/internal/cctz/src/time_zone_libc.h b/absl/time/internal/cctz/src/time_zone_libc.h
index 41f7dde2..4e40c61a 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.h
+++ b/absl/time/internal/cctz/src/time_zone_libc.h
@@ -32,12 +32,15 @@ class TimeZoneLibC : public TimeZoneIf {
// TimeZoneIf implementations.
time_zone::absolute_lookup BreakTime(
- const time_point<sys_seconds>& tp) const override;
+ const time_point<seconds>& tp) const override;
time_zone::civil_lookup MakeTime(
const civil_second& cs) const override;
+ bool NextTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const override;
+ bool PrevTransition(const time_point<seconds>& tp,
+ time_zone::civil_transition* trans) const override;
+ std::string Version() const override;
std::string Description() const override;
- bool NextTransition(time_point<sys_seconds>* tp) const override;
- bool PrevTransition(time_point<sys_seconds>* tp) const override;
private:
const bool local_; // localtime or UTC
diff --git a/absl/time/internal/cctz/src/time_zone_lookup.cc b/absl/time/internal/cctz/src/time_zone_lookup.cc
index d549d862..f2d151e4 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup.cc
@@ -61,20 +61,43 @@ int __system_property_get(const char* name, char* value) {
#endif
std::string time_zone::name() const {
- return time_zone::Impl::get(*this).name();
+ return effective_impl().Name();
}
time_zone::absolute_lookup time_zone::lookup(
- const time_point<sys_seconds>& tp) const {
- return time_zone::Impl::get(*this).BreakTime(tp);
+ const time_point<seconds>& tp) const {
+ return effective_impl().BreakTime(tp);
}
time_zone::civil_lookup time_zone::lookup(const civil_second& cs) const {
- return time_zone::Impl::get(*this).MakeTime(cs);
+ return effective_impl().MakeTime(cs);
}
-bool operator==(time_zone lhs, time_zone rhs) {
- return &time_zone::Impl::get(lhs) == &time_zone::Impl::get(rhs);
+bool time_zone::next_transition(const time_point<seconds>& tp,
+ civil_transition* trans) const {
+ return effective_impl().NextTransition(tp, trans);
+}
+
+bool time_zone::prev_transition(const time_point<seconds>& tp,
+ civil_transition* trans) const {
+ return effective_impl().PrevTransition(tp, trans);
+}
+
+std::string time_zone::version() const {
+ return effective_impl().Version();
+}
+
+std::string time_zone::description() const {
+ return effective_impl().Description();
+}
+
+const time_zone::Impl& time_zone::effective_impl() const {
+ if (impl_ == nullptr) {
+ // Dereferencing an implicit-UTC time_zone is expected to be
+ // rare, so we don't mind paying a small synchronization cost.
+ return *time_zone::Impl::UTC().impl_;
+ }
+ return *impl_;
}
bool load_time_zone(const std::string& name, time_zone* tz) {
@@ -85,7 +108,7 @@ time_zone utc_time_zone() {
return time_zone::Impl::UTC(); // avoid name lookup
}
-time_zone fixed_time_zone(const sys_seconds& offset) {
+time_zone fixed_time_zone(const seconds& offset) {
time_zone tz;
load_time_zone(FixedOffsetToName(offset), &tz);
return tz;
diff --git a/absl/time/internal/cctz/src/time_zone_lookup_test.cc b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
index 06b172a8..551292fb 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
@@ -24,14 +24,7 @@
#include "absl/time/internal/cctz/include/cctz/civil_time.h"
#include "gtest/gtest.h"
-using std::chrono::time_point_cast;
-using std::chrono::system_clock;
-using std::chrono::nanoseconds;
-using std::chrono::microseconds;
-using std::chrono::milliseconds;
-using std::chrono::seconds;
-using std::chrono::minutes;
-using std::chrono::hours;
+namespace chrono = std::chrono;
namespace absl {
namespace time_internal {
@@ -658,6 +651,17 @@ time_zone LoadZone(const std::string& name) {
/* EXPECT_STREQ(zone, al.abbr); */ \
} while (0)
+// These tests sometimes run on platforms that have zoneinfo data so old
+// that the transition we are attempting to check does not exist, most
+// notably Android emulators. Fortunately, AndroidZoneInfoSource supports
+// time_zone::version() so, in cases where we've learned that it matters,
+// we can make the check conditionally.
+int VersionCmp(time_zone tz, const std::string& target) {
+ std::string version = tz.version();
+ if (version.empty() && !target.empty()) return 1; // unknown > known
+ return version.compare(target);
+}
+
} // namespace
TEST(TimeZones, LoadZonesConcurrently) {
@@ -715,13 +719,13 @@ TEST(TimeZone, NamedTimeZones) {
EXPECT_EQ("America/New_York", nyc.name());
const time_zone syd = LoadZone("Australia/Sydney");
EXPECT_EQ("Australia/Sydney", syd.name());
- const time_zone fixed0 = fixed_time_zone(sys_seconds::zero());
+ const time_zone fixed0 = fixed_time_zone(absl::time_internal::cctz::seconds::zero());
EXPECT_EQ("UTC", fixed0.name());
- const time_zone fixed_pos =
- fixed_time_zone(hours(3) + minutes(25) + seconds(45));
+ const time_zone fixed_pos = fixed_time_zone(
+ chrono::hours(3) + chrono::minutes(25) + chrono::seconds(45));
EXPECT_EQ("Fixed/UTC+03:25:45", fixed_pos.name());
- const time_zone fixed_neg =
- fixed_time_zone(-(hours(12) + minutes(34) + seconds(56)));
+ const time_zone fixed_neg = fixed_time_zone(
+ -(chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56)));
EXPECT_EQ("Fixed/UTC-12:34:56", fixed_neg.name());
}
@@ -731,19 +735,19 @@ TEST(TimeZone, Failures) {
tz = LoadZone("America/Los_Angeles");
EXPECT_FALSE(load_time_zone("Invalid/TimeZone", &tz));
- EXPECT_EQ(system_clock::from_time_t(0),
+ EXPECT_EQ(chrono::system_clock::from_time_t(0),
convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC
// Ensures that the load still fails on a subsequent attempt.
tz = LoadZone("America/Los_Angeles");
EXPECT_FALSE(load_time_zone("Invalid/TimeZone", &tz));
- EXPECT_EQ(system_clock::from_time_t(0),
+ EXPECT_EQ(chrono::system_clock::from_time_t(0),
convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC
// Loading an empty std::string timezone should fail.
tz = LoadZone("America/Los_Angeles");
EXPECT_FALSE(load_time_zone("", &tz));
- EXPECT_EQ(system_clock::from_time_t(0),
+ EXPECT_EQ(chrono::system_clock::from_time_t(0),
convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC
}
@@ -758,7 +762,7 @@ TEST(TimeZone, Equality) {
EXPECT_EQ(implicit_utc, explicit_utc);
EXPECT_EQ(implicit_utc.name(), explicit_utc.name());
- const time_zone fixed_zero = fixed_time_zone(sys_seconds::zero());
+ const time_zone fixed_zero = fixed_time_zone(absl::time_internal::cctz::seconds::zero());
EXPECT_EQ(fixed_zero, LoadZone(fixed_zero.name()));
EXPECT_EQ(fixed_zero, explicit_utc);
@@ -766,23 +770,25 @@ TEST(TimeZone, Equality) {
EXPECT_EQ(fixed_utc, LoadZone(fixed_utc.name()));
EXPECT_EQ(fixed_utc, explicit_utc);
- const time_zone fixed_pos =
- fixed_time_zone(hours(3) + minutes(25) + seconds(45));
+ const time_zone fixed_pos = fixed_time_zone(
+ chrono::hours(3) + chrono::minutes(25) + chrono::seconds(45));
EXPECT_EQ(fixed_pos, LoadZone(fixed_pos.name()));
EXPECT_NE(fixed_pos, explicit_utc);
- const time_zone fixed_neg =
- fixed_time_zone(-(hours(12) + minutes(34) + seconds(56)));
+ const time_zone fixed_neg = fixed_time_zone(
+ -(chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56)));
EXPECT_EQ(fixed_neg, LoadZone(fixed_neg.name()));
EXPECT_NE(fixed_neg, explicit_utc);
- const time_zone fixed_lim = fixed_time_zone(hours(24));
+ const time_zone fixed_lim = fixed_time_zone(chrono::hours(24));
EXPECT_EQ(fixed_lim, LoadZone(fixed_lim.name()));
EXPECT_NE(fixed_lim, explicit_utc);
- const time_zone fixed_ovfl = fixed_time_zone(hours(24) + seconds(1));
+ const time_zone fixed_ovfl =
+ fixed_time_zone(chrono::hours(24) + chrono::seconds(1));
EXPECT_EQ(fixed_ovfl, LoadZone(fixed_ovfl.name()));
EXPECT_EQ(fixed_ovfl, explicit_utc);
- EXPECT_EQ(fixed_time_zone(seconds(1)), fixed_time_zone(seconds(1)));
+ EXPECT_EQ(fixed_time_zone(chrono::seconds(1)),
+ fixed_time_zone(chrono::seconds(1)));
const time_zone local = local_time_zone();
EXPECT_EQ(local, LoadZone(local.name()));
@@ -795,40 +801,43 @@ TEST(TimeZone, Equality) {
TEST(StdChronoTimePoint, TimeTAlignment) {
// Ensures that the Unix epoch and the system clock epoch are an integral
// number of seconds apart. This simplifies conversions to/from time_t.
- auto diff = system_clock::time_point() - system_clock::from_time_t(0);
- EXPECT_EQ(system_clock::time_point::duration::zero(), diff % seconds(1));
+ auto diff = chrono::system_clock::time_point() -
+ chrono::system_clock::from_time_t(0);
+ EXPECT_EQ(chrono::system_clock::time_point::duration::zero(),
+ diff % chrono::seconds(1));
}
TEST(BreakTime, TimePointResolution) {
const time_zone utc = utc_time_zone();
- const auto t0 = system_clock::from_time_t(0);
+ const auto t0 = chrono::system_clock::from_time_t(0);
- ExpectTime(time_point_cast<nanoseconds>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::nanoseconds>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<microseconds>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::microseconds>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<milliseconds>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::milliseconds>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<seconds>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::seconds>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<sys_seconds>(t0), utc,
+ ExpectTime(chrono::time_point_cast<absl::time_internal::cctz::seconds>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<minutes>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::minutes>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
- ExpectTime(time_point_cast<hours>(t0), utc,
+ ExpectTime(chrono::time_point_cast<chrono::hours>(t0), utc,
1970, 1, 1, 0, 0, 0, 0, false, "UTC");
}
TEST(BreakTime, LocalTimeInUTC) {
const time_zone tz = utc_time_zone();
- const auto tp = system_clock::from_time_t(0);
+ const auto tp = chrono::system_clock::from_time_t(0);
ExpectTime(tp, tz, 1970, 1, 1, 0, 0, 0, 0, false, "UTC");
EXPECT_EQ(weekday::thursday, get_weekday(civil_day(convert(tp, tz))));
}
TEST(BreakTime, LocalTimeInUTCUnaligned) {
const time_zone tz = utc_time_zone();
- const auto tp = system_clock::from_time_t(0) - milliseconds(500);
+ const auto tp =
+ chrono::system_clock::from_time_t(0) - chrono::milliseconds(500);
ExpectTime(tp, tz, 1969, 12, 31, 23, 59, 59, 0, false, "UTC");
EXPECT_EQ(weekday::wednesday, get_weekday(civil_day(convert(tp, tz))));
}
@@ -836,15 +845,16 @@ TEST(BreakTime, LocalTimeInUTCUnaligned) {
TEST(BreakTime, LocalTimePosix) {
// See IEEE Std 1003.1-1988 B.2.3 General Terms, Epoch.
const time_zone tz = utc_time_zone();
- const auto tp = system_clock::from_time_t(536457599);
+ const auto tp = chrono::system_clock::from_time_t(536457599);
ExpectTime(tp, tz, 1986, 12, 31, 23, 59, 59, 0, false, "UTC");
EXPECT_EQ(weekday::wednesday, get_weekday(civil_day(convert(tp, tz))));
}
TEST(TimeZoneImpl, LocalTimeInFixed) {
- const sys_seconds offset = -(hours(8) + minutes(33) + seconds(47));
+ const absl::time_internal::cctz::seconds offset =
+ -(chrono::hours(8) + chrono::minutes(33) + chrono::seconds(47));
const time_zone tz = fixed_time_zone(offset);
- const auto tp = system_clock::from_time_t(0);
+ const auto tp = chrono::system_clock::from_time_t(0);
ExpectTime(tp, tz, 1969, 12, 31, 15, 26, 13, offset.count(), false,
"-083347");
EXPECT_EQ(weekday::wednesday, get_weekday(civil_day(convert(tp, tz))));
@@ -852,52 +862,52 @@ TEST(TimeZoneImpl, LocalTimeInFixed) {
TEST(BreakTime, LocalTimeInNewYork) {
const time_zone tz = LoadZone("America/New_York");
- const auto tp = system_clock::from_time_t(45);
+ const auto tp = chrono::system_clock::from_time_t(45);
ExpectTime(tp, tz, 1969, 12, 31, 19, 0, 45, -5 * 60 * 60, false, "EST");
EXPECT_EQ(weekday::wednesday, get_weekday(civil_day(convert(tp, tz))));
}
TEST(BreakTime, LocalTimeInMTV) {
const time_zone tz = LoadZone("America/Los_Angeles");
- const auto tp = system_clock::from_time_t(1380855729);
+ const auto tp = chrono::system_clock::from_time_t(1380855729);
ExpectTime(tp, tz, 2013, 10, 3, 20, 2, 9, -7 * 60 * 60, true, "PDT");
EXPECT_EQ(weekday::thursday, get_weekday(civil_day(convert(tp, tz))));
}
TEST(BreakTime, LocalTimeInSydney) {
const time_zone tz = LoadZone("Australia/Sydney");
- const auto tp = system_clock::from_time_t(90);
+ const auto tp = chrono::system_clock::from_time_t(90);
ExpectTime(tp, tz, 1970, 1, 1, 10, 1, 30, 10 * 60 * 60, false, "AEST");
EXPECT_EQ(weekday::thursday, get_weekday(civil_day(convert(tp, tz))));
}
TEST(MakeTime, TimePointResolution) {
const time_zone utc = utc_time_zone();
- const time_point<nanoseconds> tp_ns =
+ const time_point<chrono::nanoseconds> tp_ns =
convert(civil_second(2015, 1, 2, 3, 4, 5), utc);
EXPECT_EQ("04:05", format("%M:%E*S", tp_ns, utc));
- const time_point<microseconds> tp_us =
+ const time_point<chrono::microseconds> tp_us =
convert(civil_second(2015, 1, 2, 3, 4, 5), utc);
EXPECT_EQ("04:05", format("%M:%E*S", tp_us, utc));
- const time_point<milliseconds> tp_ms =
+ const time_point<chrono::milliseconds> tp_ms =
convert(civil_second(2015, 1, 2, 3, 4, 5), utc);
EXPECT_EQ("04:05", format("%M:%E*S", tp_ms, utc));
- const time_point<seconds> tp_s =
+ const time_point<chrono::seconds> tp_s =
convert(civil_second(2015, 1, 2, 3, 4, 5), utc);
EXPECT_EQ("04:05", format("%M:%E*S", tp_s, utc));
- const time_point<sys_seconds> tp_s64 =
+ const time_point<absl::time_internal::cctz::seconds> tp_s64 =
convert(civil_second(2015, 1, 2, 3, 4, 5), utc);
EXPECT_EQ("04:05", format("%M:%E*S", tp_s64, utc));
- // These next two require time_point_cast because the conversion from a
- // resolution of seconds (the return value of convert()) to a coarser
- // resolution requires an explicit cast.
- const time_point<minutes> tp_m =
- time_point_cast<minutes>(
+ // These next two require chrono::time_point_cast because the conversion
+ // from a resolution of seconds (the return value of convert()) to a
+ // coarser resolution requires an explicit cast.
+ const time_point<chrono::minutes> tp_m =
+ chrono::time_point_cast<chrono::minutes>(
convert(civil_second(2015, 1, 2, 3, 4, 5), utc));
EXPECT_EQ("04:00", format("%M:%E*S", tp_m, utc));
- const time_point<hours> tp_h =
- time_point_cast<hours>(
+ const time_point<chrono::hours> tp_h =
+ chrono::time_point_cast<chrono::hours>(
convert(civil_second(2015, 1, 2, 3, 4, 5), utc));
EXPECT_EQ("00:00", format("%M:%E*S", tp_h, utc));
}
@@ -905,7 +915,7 @@ TEST(MakeTime, TimePointResolution) {
TEST(MakeTime, Normalization) {
const time_zone tz = LoadZone("America/New_York");
const auto tp = convert(civil_second(2009, 2, 13, 18, 31, 30), tz);
- EXPECT_EQ(system_clock::from_time_t(1234567890), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp);
// Now requests for the same time_point but with out-of-range fields.
EXPECT_EQ(tp, convert(civil_second(2008, 14, 13, 18, 31, 30), tz)); // month
@@ -919,67 +929,130 @@ TEST(MakeTime, Normalization) {
TEST(MakeTime, SysSecondsLimits) {
const char RFC3339[] = "%Y-%m-%dT%H:%M:%S%Ez";
const time_zone utc = utc_time_zone();
- const time_zone east = fixed_time_zone(hours(14));
- const time_zone west = fixed_time_zone(-hours(14));
- time_point<sys_seconds> tp;
+ const time_zone east = fixed_time_zone(chrono::hours(14));
+ const time_zone west = fixed_time_zone(-chrono::hours(14));
+ time_point<absl::time_internal::cctz::seconds> tp;
- // Approach the maximal time_point<sys_seconds> value from below.
+ // Approach the maximal time_point<cctz::seconds> value from below.
tp = convert(civil_second(292277026596, 12, 4, 15, 30, 6), utc);
EXPECT_EQ("292277026596-12-04T15:30:06+00:00", format(RFC3339, tp, utc));
tp = convert(civil_second(292277026596, 12, 4, 15, 30, 7), utc);
EXPECT_EQ("292277026596-12-04T15:30:07+00:00", format(RFC3339, tp, utc));
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second(292277026596, 12, 4, 15, 30, 8), utc);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second::max(), utc);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
// Checks that we can also get the maximal value for a far-east zone.
tp = convert(civil_second(292277026596, 12, 5, 5, 30, 7), east);
EXPECT_EQ("292277026596-12-05T05:30:07+14:00", format(RFC3339, tp, east));
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second(292277026596, 12, 5, 5, 30, 8), east);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second::max(), east);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
// Checks that we can also get the maximal value for a far-west zone.
tp = convert(civil_second(292277026596, 12, 4, 1, 30, 7), west);
EXPECT_EQ("292277026596-12-04T01:30:07-14:00", format(RFC3339, tp, west));
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second(292277026596, 12, 4, 7, 30, 8), west);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
tp = convert(civil_second::max(), west);
- EXPECT_EQ(time_point<sys_seconds>::max(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp);
- // Approach the minimal time_point<sys_seconds> value from above.
+ // Approach the minimal time_point<cctz::seconds> value from above.
tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 53), utc);
EXPECT_EQ("-292277022657-01-27T08:29:53+00:00", format(RFC3339, tp, utc));
tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 52), utc);
EXPECT_EQ("-292277022657-01-27T08:29:52+00:00", format(RFC3339, tp, utc));
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 51), utc);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second::min(), utc);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
// Checks that we can also get the minimal value for a far-east zone.
tp = convert(civil_second(-292277022657, 1, 27, 22, 29, 52), east);
EXPECT_EQ("-292277022657-01-27T22:29:52+14:00", format(RFC3339, tp, east));
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second(-292277022657, 1, 27, 22, 29, 51), east);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second::min(), east);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
// Checks that we can also get the minimal value for a far-west zone.
tp = convert(civil_second(-292277022657, 1, 26, 18, 29, 52), west);
EXPECT_EQ("-292277022657-01-26T18:29:52-14:00", format(RFC3339, tp, west));
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second(-292277022657, 1, 26, 18, 29, 51), west);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
tp = convert(civil_second::min(), west);
- EXPECT_EQ(time_point<sys_seconds>::min(), tp);
+ EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp);
+}
+
+TEST(NextTransition, UTC) {
+ const auto tz = utc_time_zone();
+ time_zone::civil_transition trans;
+
+ auto tp = time_point<absl::time_internal::cctz::seconds>::min();
+ EXPECT_FALSE(tz.next_transition(tp, &trans));
+
+ tp = time_point<absl::time_internal::cctz::seconds>::max();
+ EXPECT_FALSE(tz.next_transition(tp, &trans));
+}
+
+TEST(PrevTransition, UTC) {
+ const auto tz = utc_time_zone();
+ time_zone::civil_transition trans;
+
+ auto tp = time_point<absl::time_internal::cctz::seconds>::max();
+ EXPECT_FALSE(tz.prev_transition(tp, &trans));
+
+ tp = time_point<absl::time_internal::cctz::seconds>::min();
+ EXPECT_FALSE(tz.prev_transition(tp, &trans));
+}
+
+TEST(NextTransition, AmericaNewYork) {
+ const auto tz = LoadZone("America/New_York");
+ time_zone::civil_transition trans;
+
+ auto tp = convert(civil_second(2018, 6, 30, 0, 0, 0), tz);
+ EXPECT_TRUE(tz.next_transition(tp, &trans));
+ EXPECT_EQ(civil_second(2018, 11, 4, 2, 0, 0), trans.from);
+ EXPECT_EQ(civil_second(2018, 11, 4, 1, 0, 0), trans.to);
+
+ tp = time_point<absl::time_internal::cctz::seconds>::max();
+ EXPECT_FALSE(tz.next_transition(tp, &trans));
+
+ tp = time_point<absl::time_internal::cctz::seconds>::min();
+ EXPECT_TRUE(tz.next_transition(tp, &trans));
+ if (trans.from == civil_second(1918, 3, 31, 2, 0, 0)) {
+ // It looks like the tzdata is only 32 bit (probably macOS),
+ // which bottoms out at 1901-12-13T20:45:52+00:00.
+ EXPECT_EQ(civil_second(1918, 3, 31, 3, 0, 0), trans.to);
+ } else {
+ EXPECT_EQ(civil_second(1883, 11, 18, 12, 3, 58), trans.from);
+ EXPECT_EQ(civil_second(1883, 11, 18, 12, 0, 0), trans.to);
+ }
+}
+
+TEST(PrevTransition, AmericaNewYork) {
+ const auto tz = LoadZone("America/New_York");
+ time_zone::civil_transition trans;
+
+ auto tp = convert(civil_second(2018, 6, 30, 0, 0, 0), tz);
+ EXPECT_TRUE(tz.prev_transition(tp, &trans));
+ EXPECT_EQ(civil_second(2018, 3, 11, 2, 0, 0), trans.from);
+ EXPECT_EQ(civil_second(2018, 3, 11, 3, 0, 0), trans.to);
+
+ tp = time_point<absl::time_internal::cctz::seconds>::min();
+ EXPECT_FALSE(tz.prev_transition(tp, &trans));
+
+ tp = time_point<absl::time_internal::cctz::seconds>::max();
+ EXPECT_TRUE(tz.prev_transition(tp, &trans));
+ // We have a transition but we don't know which one.
}
TEST(TimeZoneEdgeCase, AmericaNewYork) {
@@ -988,13 +1061,13 @@ TEST(TimeZoneEdgeCase, AmericaNewYork) {
// Spring 1:59:59 -> 3:00:00
auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -5 * 3600, false, "EST");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 3, 10, 3, 0, 0, -4 * 3600, true, "EDT");
// Fall 1:59:59 -> 1:00:00
tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -4 * 3600, true, "EDT");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 11, 3, 1, 0, 0, -5 * 3600, false, "EST");
}
@@ -1004,13 +1077,13 @@ TEST(TimeZoneEdgeCase, AmericaLosAngeles) {
// Spring 1:59:59 -> 3:00:00
auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -8 * 3600, false, "PST");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 3, 10, 3, 0, 0, -7 * 3600, true, "PDT");
// Fall 1:59:59 -> 1:00:00
tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -7 * 3600, true, "PDT");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 11, 3, 1, 0, 0, -8 * 3600, false, "PST");
}
@@ -1020,13 +1093,13 @@ TEST(TimeZoneEdgeCase, ArizonaNoTransition) {
// No transition in Spring.
auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -7 * 3600, false, "MST");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 3, 10, 2, 0, 0, -7 * 3600, false, "MST");
// No transition in Fall.
tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -7 * 3600, false, "MST");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 11, 3, 2, 0, 0, -7 * 3600, false, "MST");
}
@@ -1039,7 +1112,7 @@ TEST(TimeZoneEdgeCase, AsiaKathmandu) {
// 504901800 == Wed, 1 Jan 1986 00:15:00 +0545 (+0545)
auto tp = convert(civil_second(1985, 12, 31, 23, 59, 59), tz);
ExpectTime(tp, tz, 1985, 12, 31, 23, 59, 59, 5.5 * 3600, false, "+0530");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 1986, 1, 1, 0, 15, 0, 5.75 * 3600, false, "+0545");
}
@@ -1052,14 +1125,14 @@ TEST(TimeZoneEdgeCase, PacificChatham) {
// 1365256800 == Sun, 7 Apr 2013 02:45:00 +1245 (+1245)
auto tp = convert(civil_second(2013, 4, 7, 3, 44, 59), tz);
ExpectTime(tp, tz, 2013, 4, 7, 3, 44, 59, 13.75 * 3600, true, "+1345");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 4, 7, 2, 45, 0, 12.75 * 3600, false, "+1245");
// 1380376799 == Sun, 29 Sep 2013 02:44:59 +1245 (+1245)
// 1380376800 == Sun, 29 Sep 2013 03:45:00 +1345 (+1345)
tp = convert(civil_second(2013, 9, 29, 2, 44, 59), tz);
ExpectTime(tp, tz, 2013, 9, 29, 2, 44, 59, 12.75 * 3600, false, "+1245");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 9, 29, 3, 45, 0, 13.75 * 3600, true, "+1345");
}
@@ -1072,14 +1145,14 @@ TEST(TimeZoneEdgeCase, AustraliaLordHowe) {
// 1365260400 == Sun, 7 Apr 2013 01:30:00 +1030 (+1030)
auto tp = convert(civil_second(2013, 4, 7, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 4, 7, 1, 59, 59, 11 * 3600, true, "+11");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 4, 7, 1, 30, 0, 10.5 * 3600, false, "+1030");
// 1380986999 == Sun, 6 Oct 2013 01:59:59 +1030 (+1030)
// 1380987000 == Sun, 6 Oct 2013 02:30:00 +1100 (+11)
tp = convert(civil_second(2013, 10, 6, 1, 59, 59), tz);
ExpectTime(tp, tz, 2013, 10, 6, 1, 59, 59, 10.5 * 3600, false, "+1030");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2013, 10, 6, 2, 30, 0, 11 * 3600, true, "+11");
}
@@ -1097,7 +1170,7 @@ TEST(TimeZoneEdgeCase, PacificApia) {
auto tp = convert(civil_second(2011, 12, 29, 23, 59, 59), tz);
ExpectTime(tp, tz, 2011, 12, 29, 23, 59, 59, -10 * 3600, true, "-10");
EXPECT_EQ(363, get_yearday(civil_day(convert(tp, tz))));
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2011, 12, 31, 0, 0, 0, 14 * 3600, true, "+14");
EXPECT_EQ(365, get_yearday(civil_day(convert(tp, tz))));
}
@@ -1105,35 +1178,31 @@ TEST(TimeZoneEdgeCase, PacificApia) {
TEST(TimeZoneEdgeCase, AfricaCairo) {
const time_zone tz = LoadZone("Africa/Cairo");
-#if defined(__ANDROID__) && __ANDROID_API__ < 21
- // Only Android 'L' and beyond have this tz2014c transition.
-#else
- // An interesting case of midnight not existing.
- //
- // 1400191199 == Thu, 15 May 2014 23:59:59 +0200 (EET)
- // 1400191200 == Fri, 16 May 2014 01:00:00 +0300 (EEST)
- auto tp = convert(civil_second(2014, 5, 15, 23, 59, 59), tz);
- ExpectTime(tp, tz, 2014, 5, 15, 23, 59, 59, 2 * 3600, false, "EET");
- tp += seconds(1);
- ExpectTime(tp, tz, 2014, 5, 16, 1, 0, 0, 3 * 3600, true, "EEST");
-#endif
+ if (VersionCmp(tz, "2014c") >= 0) {
+ // An interesting case of midnight not existing.
+ //
+ // 1400191199 == Thu, 15 May 2014 23:59:59 +0200 (EET)
+ // 1400191200 == Fri, 16 May 2014 01:00:00 +0300 (EEST)
+ auto tp = convert(civil_second(2014, 5, 15, 23, 59, 59), tz);
+ ExpectTime(tp, tz, 2014, 5, 15, 23, 59, 59, 2 * 3600, false, "EET");
+ tp += absl::time_internal::cctz::seconds(1);
+ ExpectTime(tp, tz, 2014, 5, 16, 1, 0, 0, 3 * 3600, true, "EEST");
+ }
}
TEST(TimeZoneEdgeCase, AfricaMonrovia) {
const time_zone tz = LoadZone("Africa/Monrovia");
-#if defined(__ANDROID__) && __ANDROID_API__ < 26
- // Only Android 'O' and beyond have this tz2017b transition.
-#else
- // Strange offset change -00:44:30 -> +00:00:00 (non-DST)
- //
- // 63593069 == Thu, 6 Jan 1972 23:59:59 -0044 (MMT)
- // 63593070 == Fri, 7 Jan 1972 00:44:30 +0000 (GMT)
- auto tp = convert(civil_second(1972, 1, 6, 23, 59, 59), tz);
- ExpectTime(tp, tz, 1972, 1, 6, 23, 59, 59, -44.5 * 60, false, "MMT");
- tp += seconds(1);
- ExpectTime(tp, tz, 1972, 1, 7, 0, 44, 30, 0 * 60, false, "GMT");
-#endif
+ if (VersionCmp(tz, "2017b") >= 0) {
+ // Strange offset change -00:44:30 -> +00:00:00 (non-DST)
+ //
+ // 63593069 == Thu, 6 Jan 1972 23:59:59 -0044 (MMT)
+ // 63593070 == Fri, 7 Jan 1972 00:44:30 +0000 (GMT)
+ auto tp = convert(civil_second(1972, 1, 6, 23, 59, 59), tz);
+ ExpectTime(tp, tz, 1972, 1, 6, 23, 59, 59, -44.5 * 60, false, "MMT");
+ tp += absl::time_internal::cctz::seconds(1);
+ ExpectTime(tp, tz, 1972, 1, 7, 0, 44, 30, 0 * 60, false, "GMT");
+ }
}
TEST(TimeZoneEdgeCase, AmericaJamaica) {
@@ -1145,30 +1214,31 @@ TEST(TimeZoneEdgeCase, AmericaJamaica) {
const time_zone tz = LoadZone("America/Jamaica");
// Before the first transition.
- auto tp = convert(civil_second(1889, 12, 31, 0, 0, 0), tz);
-#if AMERICA_JAMAICA_PRE_1913_OFFSET_FIX
- // Commit 907241e: Fix off-by-1 error for Jamaica and T&C before 1913.
- // Until that commit has made its way into a full release we avoid the
- // expectations on the -18430 offset below. TODO: Uncomment these.
- ExpectTime(tp, tz, 1889, 12, 31, 0, 0, 0, -18430, false,
- tz.lookup(tp).abbr);
-
- // Over the first (abbreviation-change only) transition.
- // -2524503170 == Tue, 31 Dec 1889 23:59:59 -0507 (LMT)
- // -2524503169 == Wed, 1 Jan 1890 00:00:00 -0507 (KMT)
- tp = convert(civil_second(1889, 12, 31, 23, 59, 59), tz);
- ExpectTime(tp, tz, 1889, 12, 31, 23, 59, 59, -18430, false,
- tz.lookup(tp).abbr);
- tp += seconds(1);
- ExpectTime(tp, tz, 1890, 1, 1, 0, 0, 0, -18430, false, "KMT");
-#endif
+ if (!tz.version().empty() && VersionCmp(tz, "2018d") >= 0) {
+ // We avoid the expectations on the -18430 offset below unless we are
+ // certain we have commit 907241e (Fix off-by-1 error for Jamaica and
+ // T&C before 1913) from 2018d. TODO: Remove the "version() not empty"
+ // part when 2018d is generally available from /usr/share/zoneinfo.
+ auto tp = convert(civil_second(1889, 12, 31, 0, 0, 0), tz);
+ ExpectTime(tp, tz, 1889, 12, 31, 0, 0, 0, -18430, false,
+ tz.lookup(tp).abbr);
+
+ // Over the first (abbreviation-change only) transition.
+ // -2524503170 == Tue, 31 Dec 1889 23:59:59 -0507 (LMT)
+ // -2524503169 == Wed, 1 Jan 1890 00:00:00 -0507 (KMT)
+ tp = convert(civil_second(1889, 12, 31, 23, 59, 59), tz);
+ ExpectTime(tp, tz, 1889, 12, 31, 23, 59, 59, -18430, false,
+ tz.lookup(tp).abbr);
+ tp += absl::time_internal::cctz::seconds(1);
+ ExpectTime(tp, tz, 1890, 1, 1, 0, 0, 0, -18430, false, "KMT");
+ }
// Over the last (DST) transition.
// 436341599 == Sun, 30 Oct 1983 01:59:59 -0400 (EDT)
// 436341600 == Sun, 30 Oct 1983 01:00:00 -0500 (EST)
- tp = convert(civil_second(1983, 10, 30, 1, 59, 59), tz);
+ auto tp = convert(civil_second(1983, 10, 30, 1, 59, 59), tz);
ExpectTime(tp, tz, 1983, 10, 30, 1, 59, 59, -4 * 3600, true, "EDT");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 1983, 10, 30, 1, 0, 0, -5 * 3600, false, "EST");
// After the last transition.
@@ -1189,7 +1259,7 @@ TEST(TimeZoneEdgeCase, WET) {
// 228877200 == Sun, 3 Apr 1977 02:00:00 +0100 (WEST)
tp = convert(civil_second(1977, 4, 3, 0, 59, 59), tz);
ExpectTime(tp, tz, 1977, 4, 3, 0, 59, 59, 0, false, "WET");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 1977, 4, 3, 2, 0, 0, 1 * 3600, true, "WEST");
// A non-existent time within the first transition.
@@ -1211,12 +1281,12 @@ TEST(TimeZoneEdgeCase, FixedOffsets) {
const time_zone gmtm5 = LoadZone("Etc/GMT+5"); // -0500
auto tp = convert(civil_second(1970, 1, 1, 0, 0, 0), gmtm5);
ExpectTime(tp, gmtm5, 1970, 1, 1, 0, 0, 0, -5 * 3600, false, "-05");
- EXPECT_EQ(system_clock::from_time_t(5 * 3600), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(5 * 3600), tp);
const time_zone gmtp5 = LoadZone("Etc/GMT-5"); // +0500
tp = convert(civil_second(1970, 1, 1, 0, 0, 0), gmtp5);
ExpectTime(tp, gmtp5, 1970, 1, 1, 0, 0, 0, 5 * 3600, false, "+05");
- EXPECT_EQ(system_clock::from_time_t(-5 * 3600), tp);
+ EXPECT_EQ(chrono::system_clock::from_time_t(-5 * 3600), tp);
}
TEST(TimeZoneEdgeCase, NegativeYear) {
@@ -1225,7 +1295,7 @@ TEST(TimeZoneEdgeCase, NegativeYear) {
auto tp = convert(civil_second(0, 1, 1, 0, 0, 0), tz);
ExpectTime(tp, tz, 0, 1, 1, 0, 0, 0, 0 * 3600, false, "UTC");
EXPECT_EQ(weekday::saturday, get_weekday(civil_day(convert(tp, tz))));
- tp -= seconds(1);
+ tp -= absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, -1, 12, 31, 23, 59, 59, 0 * 3600, false, "UTC");
EXPECT_EQ(weekday::friday, get_weekday(civil_day(convert(tp, tz))));
}
@@ -1239,7 +1309,7 @@ TEST(TimeZoneEdgeCase, UTC32bitLimit) {
// 2147483648 == Tue, 19 Jan 2038 03:14:08 +0000 (UTC)
auto tp = convert(civil_second(2038, 1, 19, 3, 14, 7), tz);
ExpectTime(tp, tz, 2038, 1, 19, 3, 14, 7, 0 * 3600, false, "UTC");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 2038, 1, 19, 3, 14, 8, 0 * 3600, false, "UTC");
}
@@ -1252,7 +1322,7 @@ TEST(TimeZoneEdgeCase, UTC5DigitYear) {
// 253402300800 == Sat, 1 Jan 1000 00:00:00 +0000 (UTC)
auto tp = convert(civil_second(9999, 12, 31, 23, 59, 59), tz);
ExpectTime(tp, tz, 9999, 12, 31, 23, 59, 59, 0 * 3600, false, "UTC");
- tp += seconds(1);
+ tp += absl::time_internal::cctz::seconds(1);
ExpectTime(tp, tz, 10000, 1, 1, 0, 0, 0, 0 * 3600, false, "UTC");
}
diff --git a/absl/time/internal/cctz/src/zone_info_source.cc b/absl/time/internal/cctz/src/zone_info_source.cc
index b77c0a58..bf2d2d2d 100644
--- a/absl/time/internal/cctz/src/zone_info_source.cc
+++ b/absl/time/internal/cctz/src/zone_info_source.cc
@@ -20,6 +20,7 @@ namespace cctz {
// Defined out-of-line to avoid emitting a weak vtable in all TUs.
ZoneInfoSource::~ZoneInfoSource() {}
+std::string ZoneInfoSource::Version() const { return std::string(); }
} // namespace cctz
} // namespace time_internal
@@ -60,9 +61,17 @@ ZoneInfoSourceFactory default_factory = DefaultFactory;
#else
#error Unsupported MSVC platform
#endif
-#else
+#else // _MSC_VER
+#if !defined(__has_attribute)
+#define __has_attribute(x) 0
+#endif
+#if __has_attribute(weak) || defined(__GNUC__)
ZoneInfoSourceFactory zone_info_source_factory
__attribute__((weak)) = DefaultFactory;
+#else
+// Make it a "strong" definition if we have no other choice.
+ZoneInfoSourceFactory zone_info_source_factory = DefaultFactory;
+#endif
#endif // _MSC_VER
} // namespace cctz_extension
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-25 01:36:02 +0000