- 60c1f40a5e0bc33f93392ff6827528072d749a29 Move ExceptionSafetyTester from the absl:: namespace to t... by Abseil Team <absl-team@google.com>

  - abd40a98f8ae746eb151e777ea8a8b5223d68a4b Splits the NoThrow flags into TypeSpec and AllocSpec flag... by Abseil Team <absl-team@google.com>
  - c16d0b5509b36679b384147b474135e7951afccf Change the abbreviation for the breakdowns of InfinitePas... by Abseil Team <absl-team@google.com>
  - 8ac104351764f23d666b52dce7536a34c05abf00 Use ABSL_CONST_INIT with std::atomic variables in static ... by Matt Armstrong <marmstrong@google.com>

GitOrigin-RevId: 60c1f40a5e0bc33f93392ff6827528072d749a29
Change-Id: I9d45a6ed30ed32ae57e9eff93f4205dbcd71feb2

7 files changed, 75 insertions, 63 deletions

diff --git a/absl/time/BUILD.bazel b/absl/time/BUILD.bazel
index d4f653f..7126f14 100644
--- a/absl/time/BUILD.bazel
+++ b/absl/time/BUILD.bazel
@@ -51,6 +51,7 @@ cc_library(
 
 cc_library(
     name = "test_util",
+    testonly = 1,
     srcs = [
         "internal/test_util.cc",
         "internal/zoneinfo.inc",
@@ -64,6 +65,7 @@ cc_library(
         ":time",
         "//absl/base",
         "//absl/time/internal/cctz:time_zone",
+        "@com_google_googletest//:gtest",
     ],
 )
 
diff --git a/absl/time/format_test.cc b/absl/time/format_test.cc
index 09d1fe6..7c84c33 100644
--- a/absl/time/format_test.cc
+++ b/absl/time/format_test.cc
@@ -155,8 +155,7 @@ TEST(ParseTime, Basics) {
                               "2013-06-28 19:08:09 -0800", &t, &err))
       << err;
   absl::Time::Breakdown bd = t.In(absl::FixedTimeZone(-8 * 60 * 60));
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -8 * 60 * 60, false,
-                            "UTC-8");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -8 * 60 * 60, false);
   EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
 }
 
@@ -179,8 +178,7 @@ TEST(ParseTime, WithTimeZone) {
       absl::ParseTime("%Y-%m-%d %H:%M:%S", "2013-06-28 19:08:09", tz, &t, &e))
       << e;
   absl::Time::Breakdown bd = t.In(tz);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -7 * 60 * 60, true,
-                            "PDT");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -7 * 60 * 60, true);
   EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
 
   // But the timezone is ignored when a UTC offset is present.
@@ -188,8 +186,7 @@ TEST(ParseTime, WithTimeZone) {
                               "2013-06-28 19:08:09 +0800", tz, &t, &e))
       << e;
   bd = t.In(absl::FixedTimeZone(8 * 60 * 60));
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, 8 * 60 * 60, false,
-                            "UTC+8");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, 8 * 60 * 60, false);
   EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
 }
 
diff --git a/absl/time/internal/test_util.cc b/absl/time/internal/test_util.cc
index 4483f2a..419d859 100644
--- a/absl/time/internal/test_util.cc
+++ b/absl/time/internal/test_util.cc
@@ -26,6 +26,13 @@ namespace cctz = absl::time_internal::cctz;
 namespace absl {
 namespace time_internal {
 
+// TODO(bww): Reinstate when the FixedTimeZone() abbreviations are updated.
+#if 1 || GTEST_USES_SIMPLE_RE
+extern const char kZoneAbbrRE[] = ".*";  // just punt
+#else
+extern const char kZoneAbbrRE[] = "[A-Za-z]{3,4}|[-+][0-9]{2}([0-9]{2})?";
+#endif
+
 TimeZone LoadTimeZone(const std::string& name) {
   TimeZone tz;
   ABSL_RAW_CHECK(LoadTimeZone(name, &tz), name.c_str());
diff --git a/absl/time/internal/test_util.h b/absl/time/internal/test_util.h
index 81a2d29..8fd5fb9 100644
--- a/absl/time/internal/test_util.h
+++ b/absl/time/internal/test_util.h
@@ -17,6 +17,8 @@
 
 #include <string>
 
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
 #include "absl/time/time.h"
 
 // This helper is a macro so that failed expectations show up with the
@@ -24,22 +26,26 @@
 //
 // This is for internal testing of the Base Time library itself. This is not
 // part of a public API.
-#define ABSL_INTERNAL_EXPECT_TIME(bd, y, m, d, h, min, s, off, isdst, zone) \
-  do {                                                                      \
-    EXPECT_EQ(y, bd.year);                                                  \
-    EXPECT_EQ(m, bd.month);                                                 \
-    EXPECT_EQ(d, bd.day);                                                   \
-    EXPECT_EQ(h, bd.hour);                                                  \
-    EXPECT_EQ(min, bd.minute);                                              \
-    EXPECT_EQ(s, bd.second);                                                \
-    EXPECT_EQ(off, bd.offset);                                              \
-    EXPECT_EQ(isdst, bd.is_dst);                                            \
-    EXPECT_STREQ(zone, bd.zone_abbr);                                       \
+#define ABSL_INTERNAL_EXPECT_TIME(bd, y, m, d, h, min, s, off, isdst)     \
+  do {                                                                    \
+    EXPECT_EQ(y, bd.year);                                                \
+    EXPECT_EQ(m, bd.month);                                               \
+    EXPECT_EQ(d, bd.day);                                                 \
+    EXPECT_EQ(h, bd.hour);                                                \
+    EXPECT_EQ(min, bd.minute);                                            \
+    EXPECT_EQ(s, bd.second);                                              \
+    EXPECT_EQ(off, bd.offset);                                            \
+    EXPECT_EQ(isdst, bd.is_dst);                                          \
+    EXPECT_THAT(bd.zone_abbr,                                             \
+                testing::MatchesRegex(absl::time_internal::kZoneAbbrRE)); \
   } while (0)
 
 namespace absl {
 namespace time_internal {
 
+// A regular expression that matches all zone abbreviations (%Z).
+extern const char kZoneAbbrRE[];
+
 // Loads the named timezone, but dies on any failure.
 absl::TimeZone LoadTimeZone(const std::string& name);
 
diff --git a/absl/time/time.cc b/absl/time/time.cc
index 1dde40d..03720f6 100644
--- a/absl/time/time.cc
+++ b/absl/time/time.cc
@@ -71,7 +71,7 @@ inline absl::Time::Breakdown InfiniteFutureBreakdown() {
   bd.yearday = 365;
   bd.offset = 0;
   bd.is_dst = false;
-  bd.zone_abbr = "-0000";
+  bd.zone_abbr = "-00";
   return bd;
 }
 
@@ -88,7 +88,7 @@ inline Time::Breakdown InfinitePastBreakdown() {
   bd.yearday = 1;
   bd.offset = 0;
   bd.is_dst = false;
-  bd.zone_abbr = "-0000";
+  bd.zone_abbr = "-00";
   return bd;
 }
 
diff --git a/absl/time/time_norm_test.cc b/absl/time/time_norm_test.cc
index 005756e..4436242 100644
--- a/absl/time/time_norm_test.cc
+++ b/absl/time/time_norm_test.cc
@@ -18,6 +18,7 @@
 #include <cstdint>
 #include <limits>
 
+#include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "absl/time/internal/test_util.h"
 #include "absl/time/time.h"
@@ -32,31 +33,31 @@ TEST(TimeNormCase, SimpleOverflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 33, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 33, 0, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16, 59 + 1, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 17, 0, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 17, 0, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 23 + 1, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 16, 0, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 16, 0, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 30 + 1, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 1, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 1, 16, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 12 + 1, 15, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 15, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 15, 16, 32, 14, 0, false);
 }
 
 TEST(TimeNormCase, SimpleUnderflow) {
@@ -66,31 +67,31 @@ TEST(TimeNormCase, SimpleUnderflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 31, 59, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 31, 59, 0, false);
 
   tc = ConvertDateTime(2013, 11, 15, 16, 0 - 1, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 15, 59, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 15, 59, 14, 0, false);
 
   tc = ConvertDateTime(2013, 11, 15, 0 - 1, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 14, 23, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 14, 23, 32, 14, 0, false);
 
   tc = ConvertDateTime(2013, 11, 1 - 1, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 10, 31, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 10, 31, 16, 32, 14, 0, false);
 
   tc = ConvertDateTime(2013, 1 - 1, 15, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 12, 15, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 12, 15, 16, 32, 14, 0, false);
 }
 
 TEST(TimeNormCase, MultipleOverflow) {
@@ -99,7 +100,7 @@ TEST(TimeNormCase, MultipleOverflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 1, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 1, 0, 0, 0, 0, false);
 }
 
 TEST(TimeNormCase, MultipleUnderflow) {
@@ -108,7 +109,7 @@ TEST(TimeNormCase, MultipleUnderflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 31, 23, 59, 59, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 31, 23, 59, 59, 0, false);
 }
 
 TEST(TimeNormCase, OverflowLimits) {
@@ -122,7 +123,7 @@ TEST(TimeNormCase, OverflowLimits) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 185085715, 11, 27, 12, 21, 7, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 185085715, 11, 27, 12, 21, 7, 0, false);
 
   const int kintmin = std::numeric_limits<int>::min();
   tc = absl::ConvertDateTime(0, kintmin, kintmin, kintmin, kintmin, kintmin,
@@ -130,8 +131,7 @@ TEST(TimeNormCase, OverflowLimits) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, -185085717, 10, 31, 10, 37, 52, 0, false,
-                            "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, -185085717, 10, 31, 10, 37, 52, 0, false);
 
   const int64_t max_year = std::numeric_limits<int64_t>::max();
   tc = absl::ConvertDateTime(max_year, 12, 31, 23, 59, 59, utc);
@@ -154,31 +154,31 @@ TEST(TimeNormCase, ComplexOverflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 10, 14, 14, 5, 23, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 10, 14, 14, 5, 23, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 + 1234567, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2016, 3, 22, 0, 39, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2016, 3, 22, 0, 39, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16 + 123456, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2027, 12, 16, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2027, 12, 16, 16, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15 + 1234, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 4, 2, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 4, 2, 16, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11 + 123, 15, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2024, 2, 15, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2024, 2, 15, 16, 32, 14, 0, false);
 }
 
 TEST(TimeNormCase, ComplexUnderflow) {
@@ -189,37 +189,37 @@ TEST(TimeNormCase, ComplexUnderflow) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 2, 28, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 2, 28, 0, 0, 0, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16, 32, 14 - 123456789, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2009, 12, 17, 18, 59, 5, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2009, 12, 17, 18, 59, 5, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 - 1234567, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2011, 7, 12, 8, 25, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2011, 7, 12, 8, 25, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15, 16 - 123456, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 10, 16, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 10, 16, 16, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11, 15 - 1234, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2010, 6, 30, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2010, 6, 30, 16, 32, 14, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11 - 123, 15, 16, 32, 14, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2003, 8, 15, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2003, 8, 15, 16, 32, 14, 0, false);
 }
 
 TEST(TimeNormCase, Mishmash) {
@@ -231,14 +231,14 @@ TEST(TimeNormCase, Mishmash) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1991, 5, 9, 3, 6, 5, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1991, 5, 9, 3, 6, 5, 0, false);
 
   tc = absl::ConvertDateTime(2013, 11 + 123, 15 - 1234, 16 + 123456,
                              32 - 1234567, 14 + 123456789, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2036, 5, 24, 5, 58, 23, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2036, 5, 24, 5, 58, 23, 0, false);
 
   // Here is a normalization case we got wrong for a while.  Because the
   // day is converted to "1" within a 400-year (146097-day) period, we
@@ -247,7 +247,7 @@ TEST(TimeNormCase, Mishmash) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1613, 11, 1, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1613, 11, 1, 16, 32, 14, 0, false);
 
   // Even though the month overflow compensates for the day underflow,
   // this should still be marked as normalized.
@@ -255,7 +255,7 @@ TEST(TimeNormCase, Mishmash) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 1, 16, 32, 14, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 1, 16, 32, 14, 0, false);
 }
 
 TEST(TimeNormCase, LeapYears) {
@@ -266,25 +266,25 @@ TEST(TimeNormCase, LeapYears) {
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   absl::Time::Breakdown bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 3, 1, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 3, 1, 0, 0, 0, 0, false);
 
   tc = absl::ConvertDateTime(2012, 2, 28 + 1, 0, 0, 0, utc);
   EXPECT_FALSE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 2, 29, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 2, 29, 0, 0, 0, 0, false);
 
   tc = absl::ConvertDateTime(2000, 2, 28 + 1, 0, 0, 0, utc);
   EXPECT_FALSE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 2000, 2, 29, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 2000, 2, 29, 0, 0, 0, 0, false);
 
   tc = absl::ConvertDateTime(1900, 2, 28 + 1, 0, 0, 0, utc);
   EXPECT_TRUE(tc.normalized);
   EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
   bd = tc.pre.In(utc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1900, 3, 1, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1900, 3, 1, 0, 0, 0, 0, false);
 }
 
 // Convert all the days from 1970-1-1 to 1970-1-146097 (aka 2369-12-31)
diff --git a/absl/time/time_test.cc b/absl/time/time_test.cc
index 6408388..4f8f58a 100644
--- a/absl/time/time_test.cc
+++ b/absl/time/time_test.cc
@@ -85,7 +85,7 @@ TEST(Time, ValueSemantics) {
 
 TEST(Time, UnixEpoch) {
   absl::Time::Breakdown bd = absl::UnixEpoch().In(absl::UTCTimeZone());
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1970, 1, 1, 0, 0, 0, 0, false, "UTC");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1970, 1, 1, 0, 0, 0, 0, false);
   EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
   EXPECT_EQ(4, bd.weekday);  // Thursday
 }
@@ -96,14 +96,14 @@ TEST(Time, Breakdown) {
 
   // The Unix epoch as seen in NYC.
   absl::Time::Breakdown bd = t.In(tz);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 19, 0, 0, -18000, false, "EST");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 19, 0, 0, -18000, false);
   EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
   EXPECT_EQ(3, bd.weekday);  // Wednesday
 
   // Just before the epoch.
   t -= absl::Nanoseconds(1);
   bd = t.In(tz);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 18, 59, 59, -18000, false, "EST");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 18, 59, 59, -18000, false);
   EXPECT_EQ(absl::Nanoseconds(999999999), bd.subsecond);
   EXPECT_EQ(3, bd.weekday);  // Wednesday
 
@@ -112,7 +112,7 @@ TEST(Time, Breakdown) {
   t += absl::Hours(18) + absl::Minutes(30) + absl::Seconds(15) +
        absl::Nanoseconds(9);
   bd = t.In(tz);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 1977, 6, 28, 14, 30, 15, -14400, true, "EDT");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 1977, 6, 28, 14, 30, 15, -14400, true);
   EXPECT_EQ(8, bd.subsecond / absl::Nanoseconds(1));
   EXPECT_EQ(2, bd.weekday);  // Tuesday
 }
@@ -983,16 +983,18 @@ TEST(Time, ConversionSaturation) {
   // Checks how Time::In() saturates on infinities.
   absl::Time::Breakdown bd = absl::InfiniteFuture().In(utc);
   ABSL_INTERNAL_EXPECT_TIME(bd, std::numeric_limits<int64_t>::max(), 12, 31, 23,
-                            59, 59, 0, false, "-0000");
+                            59, 59, 0, false);
   EXPECT_EQ(absl::InfiniteDuration(), bd.subsecond);
   EXPECT_EQ(4, bd.weekday);  // Thursday
   EXPECT_EQ(365, bd.yearday);
+  EXPECT_STREQ("-00", bd.zone_abbr);  // artifact of absl::Time::In()
   bd = absl::InfinitePast().In(utc);
   ABSL_INTERNAL_EXPECT_TIME(bd, std::numeric_limits<int64_t>::min(), 1, 1, 0, 0,
-                            0, 0, false, "-0000");
+                            0, 0, false);
   EXPECT_EQ(-absl::InfiniteDuration(), bd.subsecond);
   EXPECT_EQ(7, bd.weekday);  // Sunday
   EXPECT_EQ(1, bd.yearday);
+  EXPECT_STREQ("-00", bd.zone_abbr);  // artifact of absl::Time::In()
 
   // Approach the maximal Time value from below.
   t = absl::FromDateTime(292277026596, 12, 4, 15, 30, 6, utc);
@@ -1054,13 +1056,11 @@ TEST(Time, ExtendedConversionSaturation) {
 
   // The maximal time converted in each zone.
   bd = max.In(syd);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 5, 2, 30, 7, 39600, true,
-                            "AEDT");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 5, 2, 30, 7, 39600, true);
   t = absl::FromDateTime(292277026596, 12, 5, 2, 30, 7, syd);
   EXPECT_EQ(max, t);
   bd = max.In(nyc);
-  ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 4, 10, 30, 7, -18000, false,
-                            "EST");
+  ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 4, 10, 30, 7, -18000, false);
   t = absl::FromDateTime(292277026596, 12, 4, 10, 30, 7, nyc);
   EXPECT_EQ(max, t);