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-rw-r--r--absl/strings/str_format_test.cc628
1 files changed, 628 insertions, 0 deletions
diff --git a/absl/strings/str_format_test.cc b/absl/strings/str_format_test.cc
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+++ b/absl/strings/str_format_test.cc
@@ -0,0 +1,628 @@
+
+#include <cstdarg>
+#include <cstdint>
+#include <cstdio>
+#include <string>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "absl/strings/str_format.h"
+#include "absl/strings/string_view.h"
+
+namespace absl {
+inline namespace lts_2018_12_18 {
+namespace {
+using str_format_internal::FormatArgImpl;
+
+class FormatEntryPointTest : public ::testing::Test { };
+
+TEST_F(FormatEntryPointTest, Format) {
+ std::string sink;
+ EXPECT_TRUE(Format(&sink, "A format %d", 123));
+ EXPECT_EQ("A format 123", sink);
+ sink.clear();
+
+ ParsedFormat<'d'> pc("A format %d");
+ EXPECT_TRUE(Format(&sink, pc, 123));
+ EXPECT_EQ("A format 123", sink);
+}
+TEST_F(FormatEntryPointTest, UntypedFormat) {
+ constexpr const char* formats[] = {
+ "",
+ "a",
+ "%80d",
+#if !defined(_MSC_VER) && !defined(__ANDROID__)
+ // MSVC and Android don't support positional syntax.
+ "complicated multipart %% %1$d format %1$0999d",
+#endif // _MSC_VER
+ };
+ for (const char* fmt : formats) {
+ std::string actual;
+ int i = 123;
+ FormatArgImpl arg_123(i);
+ absl::Span<const FormatArgImpl> args(&arg_123, 1);
+ UntypedFormatSpec format(fmt);
+
+ EXPECT_TRUE(FormatUntyped(&actual, format, args));
+ char buf[4096]{};
+ snprintf(buf, sizeof(buf), fmt, 123);
+ EXPECT_EQ(
+ str_format_internal::FormatPack(
+ str_format_internal::UntypedFormatSpecImpl::Extract(format), args),
+ buf);
+ EXPECT_EQ(actual, buf);
+ }
+ // The internal version works with a preparsed format.
+ ParsedFormat<'d'> pc("A format %d");
+ int i = 345;
+ FormatArg arg(i);
+ std::string out;
+ EXPECT_TRUE(str_format_internal::FormatUntyped(
+ &out, str_format_internal::UntypedFormatSpecImpl(&pc), {&arg, 1}));
+ EXPECT_EQ("A format 345", out);
+}
+
+TEST_F(FormatEntryPointTest, StringFormat) {
+ EXPECT_EQ("123", StrFormat("%d", 123));
+ constexpr absl::string_view view("=%d=", 4);
+ EXPECT_EQ("=123=", StrFormat(view, 123));
+}
+
+TEST_F(FormatEntryPointTest, AppendFormat) {
+ std::string s;
+ std::string& r = StrAppendFormat(&s, "%d", 123);
+ EXPECT_EQ(&s, &r); // should be same object
+ EXPECT_EQ("123", r);
+}
+
+TEST_F(FormatEntryPointTest, AppendFormatFail) {
+ std::string s = "orig";
+
+ UntypedFormatSpec format(" more %d");
+ FormatArgImpl arg("not an int");
+
+ EXPECT_EQ("orig",
+ str_format_internal::AppendPack(
+ &s, str_format_internal::UntypedFormatSpecImpl::Extract(format),
+ {&arg, 1}));
+}
+
+
+TEST_F(FormatEntryPointTest, ManyArgs) {
+ EXPECT_EQ("24", StrFormat("%24$d", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24));
+ EXPECT_EQ("60", StrFormat("%60$d", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
+ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
+ 53, 54, 55, 56, 57, 58, 59, 60));
+}
+
+TEST_F(FormatEntryPointTest, Preparsed) {
+ ParsedFormat<'d'> pc("%d");
+ EXPECT_EQ("123", StrFormat(pc, 123));
+ // rvalue ok?
+ EXPECT_EQ("123", StrFormat(ParsedFormat<'d'>("%d"), 123));
+ constexpr absl::string_view view("=%d=", 4);
+ EXPECT_EQ("=123=", StrFormat(ParsedFormat<'d'>(view), 123));
+}
+
+TEST_F(FormatEntryPointTest, FormatCountCapture) {
+ int n = 0;
+ EXPECT_EQ("", StrFormat("%n", FormatCountCapture(&n)));
+ EXPECT_EQ(0, n);
+ EXPECT_EQ("123", StrFormat("%d%n", 123, FormatCountCapture(&n)));
+ EXPECT_EQ(3, n);
+}
+
+TEST_F(FormatEntryPointTest, FormatCountCaptureWrongType) {
+ // Should reject int*.
+ int n = 0;
+ UntypedFormatSpec format("%d%n");
+ int i = 123, *ip = &n;
+ FormatArgImpl args[2] = {FormatArgImpl(i), FormatArgImpl(ip)};
+
+ EXPECT_EQ("", str_format_internal::FormatPack(
+ str_format_internal::UntypedFormatSpecImpl::Extract(format),
+ absl::MakeSpan(args)));
+}
+
+TEST_F(FormatEntryPointTest, FormatCountCaptureMultiple) {
+ int n1 = 0;
+ int n2 = 0;
+ EXPECT_EQ(" 1 2",
+ StrFormat("%5d%n%10d%n", 1, FormatCountCapture(&n1), 2,
+ FormatCountCapture(&n2)));
+ EXPECT_EQ(5, n1);
+ EXPECT_EQ(15, n2);
+}
+
+TEST_F(FormatEntryPointTest, FormatCountCaptureExample) {
+ int n;
+ std::string s;
+ StrAppendFormat(&s, "%s: %n%s\n", "(1,1)", FormatCountCapture(&n), "(1,2)");
+ StrAppendFormat(&s, "%*s%s\n", n, "", "(2,2)");
+ EXPECT_EQ(7, n);
+ EXPECT_EQ(
+ "(1,1): (1,2)\n"
+ " (2,2)\n",
+ s);
+}
+
+TEST_F(FormatEntryPointTest, Stream) {
+ const std::string formats[] = {
+ "",
+ "a",
+ "%80d",
+#if !defined(_MSC_VER) && !defined(__ANDROID__)
+ // MSVC doesn't support positional syntax.
+ "complicated multipart %% %1$d format %1$080d",
+#endif // _MSC_VER
+ };
+ std::string buf(4096, '\0');
+ for (const auto& fmt : formats) {
+ const auto parsed = ParsedFormat<'d'>::NewAllowIgnored(fmt);
+ std::ostringstream oss;
+ oss << StreamFormat(*parsed, 123);
+ int fmt_result = snprintf(&*buf.begin(), buf.size(), fmt.c_str(), 123);
+ ASSERT_TRUE(oss) << fmt;
+ ASSERT_TRUE(fmt_result >= 0 && static_cast<size_t>(fmt_result) < buf.size())
+ << fmt_result;
+ EXPECT_EQ(buf.c_str(), oss.str());
+ }
+}
+
+TEST_F(FormatEntryPointTest, StreamOk) {
+ std::ostringstream oss;
+ oss << StreamFormat("hello %d", 123);
+ EXPECT_EQ("hello 123", oss.str());
+ EXPECT_TRUE(oss.good());
+}
+
+TEST_F(FormatEntryPointTest, StreamFail) {
+ std::ostringstream oss;
+ UntypedFormatSpec format("hello %d");
+ FormatArgImpl arg("non-numeric");
+ oss << str_format_internal::Streamable(
+ str_format_internal::UntypedFormatSpecImpl::Extract(format), {&arg, 1});
+ EXPECT_EQ("hello ", oss.str()); // partial write
+ EXPECT_TRUE(oss.fail());
+}
+
+std::string WithSnprintf(const char* fmt, ...) {
+ std::string buf;
+ buf.resize(128);
+ va_list va;
+ va_start(va, fmt);
+ int r = vsnprintf(&*buf.begin(), buf.size(), fmt, va);
+ va_end(va);
+ EXPECT_GE(r, 0);
+ EXPECT_LT(r, buf.size());
+ buf.resize(r);
+ return buf;
+}
+
+TEST_F(FormatEntryPointTest, FloatPrecisionArg) {
+ // Test that positional parameters for width and precision
+ // are indexed to precede the value.
+ // Also sanity check the same formats against snprintf.
+ EXPECT_EQ("0.1", StrFormat("%.1f", 0.1));
+ EXPECT_EQ("0.1", WithSnprintf("%.1f", 0.1));
+ EXPECT_EQ(" 0.1", StrFormat("%*.1f", 5, 0.1));
+ EXPECT_EQ(" 0.1", WithSnprintf("%*.1f", 5, 0.1));
+ EXPECT_EQ("0.1", StrFormat("%.*f", 1, 0.1));
+ EXPECT_EQ("0.1", WithSnprintf("%.*f", 1, 0.1));
+ EXPECT_EQ(" 0.1", StrFormat("%*.*f", 5, 1, 0.1));
+ EXPECT_EQ(" 0.1", WithSnprintf("%*.*f", 5, 1, 0.1));
+}
+namespace streamed_test {
+struct X {};
+std::ostream& operator<<(std::ostream& os, const X&) {
+ return os << "X";
+}
+} // streamed_test
+
+TEST_F(FormatEntryPointTest, FormatStreamed) {
+ EXPECT_EQ("123", StrFormat("%s", FormatStreamed(123)));
+ EXPECT_EQ(" 123", StrFormat("%5s", FormatStreamed(123)));
+ EXPECT_EQ("123 ", StrFormat("%-5s", FormatStreamed(123)));
+ EXPECT_EQ("X", StrFormat("%s", FormatStreamed(streamed_test::X())));
+ EXPECT_EQ("123", StrFormat("%s", FormatStreamed(StreamFormat("%d", 123))));
+}
+
+// Helper class that creates a temporary file and exposes a FILE* to it.
+// It will close the file on destruction.
+class TempFile {
+ public:
+ TempFile() : file_(std::tmpfile()) {}
+ ~TempFile() { std::fclose(file_); }
+
+ std::FILE* file() const { return file_; }
+
+ // Read the file into a std::string.
+ std::string ReadFile() {
+ std::fseek(file_, 0, SEEK_END);
+ int size = std::ftell(file_);
+ EXPECT_GT(size, 0);
+ std::rewind(file_);
+ std::string str(2 * size, ' ');
+ int read_bytes = std::fread(&str[0], 1, str.size(), file_);
+ EXPECT_EQ(read_bytes, size);
+ str.resize(read_bytes);
+ EXPECT_TRUE(std::feof(file_));
+ return str;
+ }
+
+ private:
+ std::FILE* file_;
+};
+
+TEST_F(FormatEntryPointTest, FPrintF) {
+ TempFile tmp;
+ int result =
+ FPrintF(tmp.file(), "STRING: %s NUMBER: %010d", std::string("ABC"), -19);
+ EXPECT_EQ(result, 30);
+ EXPECT_EQ(tmp.ReadFile(), "STRING: ABC NUMBER: -000000019");
+}
+
+TEST_F(FormatEntryPointTest, FPrintFError) {
+ errno = 0;
+ int result = FPrintF(stdin, "ABC");
+ EXPECT_LT(result, 0);
+ EXPECT_EQ(errno, EBADF);
+}
+
+#if __GLIBC__
+TEST_F(FormatEntryPointTest, FprintfTooLarge) {
+ std::FILE* f = std::fopen("/dev/null", "w");
+ int width = 2000000000;
+ errno = 0;
+ int result = FPrintF(f, "%*d %*d", width, 0, width, 0);
+ EXPECT_LT(result, 0);
+ EXPECT_EQ(errno, EFBIG);
+ std::fclose(f);
+}
+
+TEST_F(FormatEntryPointTest, PrintF) {
+ int stdout_tmp = dup(STDOUT_FILENO);
+
+ TempFile tmp;
+ std::fflush(stdout);
+ dup2(fileno(tmp.file()), STDOUT_FILENO);
+
+ int result = PrintF("STRING: %s NUMBER: %010d", std::string("ABC"), -19);
+
+ std::fflush(stdout);
+ dup2(stdout_tmp, STDOUT_FILENO);
+ close(stdout_tmp);
+
+ EXPECT_EQ(result, 30);
+ EXPECT_EQ(tmp.ReadFile(), "STRING: ABC NUMBER: -000000019");
+}
+#endif // __GLIBC__
+
+TEST_F(FormatEntryPointTest, SNPrintF) {
+ char buffer[16];
+ int result =
+ SNPrintF(buffer, sizeof(buffer), "STRING: %s", std::string("ABC"));
+ EXPECT_EQ(result, 11);
+ EXPECT_EQ(std::string(buffer), "STRING: ABC");
+
+ result = SNPrintF(buffer, sizeof(buffer), "NUMBER: %d", 123456);
+ EXPECT_EQ(result, 14);
+ EXPECT_EQ(std::string(buffer), "NUMBER: 123456");
+
+ result = SNPrintF(buffer, sizeof(buffer), "NUMBER: %d", 1234567);
+ EXPECT_EQ(result, 15);
+ EXPECT_EQ(std::string(buffer), "NUMBER: 1234567");
+
+ result = SNPrintF(buffer, sizeof(buffer), "NUMBER: %d", 12345678);
+ EXPECT_EQ(result, 16);
+ EXPECT_EQ(std::string(buffer), "NUMBER: 1234567");
+
+ result = SNPrintF(buffer, sizeof(buffer), "NUMBER: %d", 123456789);
+ EXPECT_EQ(result, 17);
+ EXPECT_EQ(std::string(buffer), "NUMBER: 1234567");
+
+ result = SNPrintF(nullptr, 0, "Just checking the %s of the output.", "size");
+ EXPECT_EQ(result, 37);
+}
+
+TEST(StrFormat, BehavesAsDocumented) {
+ std::string s = absl::StrFormat("%s, %d!", "Hello", 123);
+ EXPECT_EQ("Hello, 123!", s);
+ // The format of a replacement is
+ // '%'[position][flags][width['.'precision]][length_modifier][format]
+ EXPECT_EQ(absl::StrFormat("%1$+3.2Lf", 1.1), "+1.10");
+ // Text conversion:
+ // "c" - Character. Eg: 'a' -> "A", 20 -> " "
+ EXPECT_EQ(StrFormat("%c", 'a'), "a");
+ EXPECT_EQ(StrFormat("%c", 0x20), " ");
+ // Formats char and integral types: int, long, uint64_t, etc.
+ EXPECT_EQ(StrFormat("%c", int{'a'}), "a");
+ EXPECT_EQ(StrFormat("%c", long{'a'}), "a"); // NOLINT
+ EXPECT_EQ(StrFormat("%c", uint64_t{'a'}), "a");
+ // "s" - std::string Eg: "C" -> "C", std::string("C++") -> "C++"
+ // Formats std::string, char*, string_view, and Cord.
+ EXPECT_EQ(StrFormat("%s", "C"), "C");
+ EXPECT_EQ(StrFormat("%s", std::string("C++")), "C++");
+ EXPECT_EQ(StrFormat("%s", string_view("view")), "view");
+ // Integral Conversion
+ // These format integral types: char, int, long, uint64_t, etc.
+ EXPECT_EQ(StrFormat("%d", char{10}), "10");
+ EXPECT_EQ(StrFormat("%d", int{10}), "10");
+ EXPECT_EQ(StrFormat("%d", long{10}), "10"); // NOLINT
+ EXPECT_EQ(StrFormat("%d", uint64_t{10}), "10");
+ // d,i - signed decimal Eg: -10 -> "-10"
+ EXPECT_EQ(StrFormat("%d", -10), "-10");
+ EXPECT_EQ(StrFormat("%i", -10), "-10");
+ // o - octal Eg: 10 -> "12"
+ EXPECT_EQ(StrFormat("%o", 10), "12");
+ // u - unsigned decimal Eg: 10 -> "10"
+ EXPECT_EQ(StrFormat("%u", 10), "10");
+ // x/X - lower,upper case hex Eg: 10 -> "a"/"A"
+ EXPECT_EQ(StrFormat("%x", 10), "a");
+ EXPECT_EQ(StrFormat("%X", 10), "A");
+ // Floating-point, with upper/lower-case output.
+ // These format floating points types: float, double, long double, etc.
+ EXPECT_EQ(StrFormat("%.1f", float{1}), "1.0");
+ EXPECT_EQ(StrFormat("%.1f", double{1}), "1.0");
+ const long double long_double = 1.0;
+ EXPECT_EQ(StrFormat("%.1f", long_double), "1.0");
+ // These also format integral types: char, int, long, uint64_t, etc.:
+ EXPECT_EQ(StrFormat("%.1f", char{1}), "1.0");
+ EXPECT_EQ(StrFormat("%.1f", int{1}), "1.0");
+ EXPECT_EQ(StrFormat("%.1f", long{1}), "1.0"); // NOLINT
+ EXPECT_EQ(StrFormat("%.1f", uint64_t{1}), "1.0");
+ // f/F - decimal. Eg: 123456789 -> "123456789.000000"
+ EXPECT_EQ(StrFormat("%f", 123456789), "123456789.000000");
+ EXPECT_EQ(StrFormat("%F", 123456789), "123456789.000000");
+ // e/E - exponentiated Eg: .01 -> "1.00000e-2"/"1.00000E-2"
+ EXPECT_EQ(StrFormat("%e", .01), "1.000000e-02");
+ EXPECT_EQ(StrFormat("%E", .01), "1.000000E-02");
+ // g/G - exponentiate to fit Eg: .01 -> "0.01", 1e10 ->"1e+10"/"1E+10"
+ EXPECT_EQ(StrFormat("%g", .01), "0.01");
+ EXPECT_EQ(StrFormat("%g", 1e10), "1e+10");
+ EXPECT_EQ(StrFormat("%G", 1e10), "1E+10");
+ // a/A - lower,upper case hex Eg: -3.0 -> "-0x1.8p+1"/"-0X1.8P+1"
+
+// On Android platform <=21, there is a regression in hexfloat formatting.
+#if !defined(__ANDROID_API__) || __ANDROID_API__ > 21
+ EXPECT_EQ(StrFormat("%.1a", -3.0), "-0x1.8p+1"); // .1 to fix MSVC output
+ EXPECT_EQ(StrFormat("%.1A", -3.0), "-0X1.8P+1"); // .1 to fix MSVC output
+#endif
+
+ // Other conversion
+ int64_t value = 0x7ffdeb4;
+ auto ptr_value = static_cast<uintptr_t>(value);
+ const int& something = *reinterpret_cast<const int*>(ptr_value);
+ EXPECT_EQ(StrFormat("%p", &something), StrFormat("0x%x", ptr_value));
+
+ // Output widths are supported, with optional flags.
+ EXPECT_EQ(StrFormat("%3d", 1), " 1");
+ EXPECT_EQ(StrFormat("%3d", 123456), "123456");
+ EXPECT_EQ(StrFormat("%06.2f", 1.234), "001.23");
+ EXPECT_EQ(StrFormat("%+d", 1), "+1");
+ EXPECT_EQ(StrFormat("% d", 1), " 1");
+ EXPECT_EQ(StrFormat("%-4d", -1), "-1 ");
+ EXPECT_EQ(StrFormat("%#o", 10), "012");
+ EXPECT_EQ(StrFormat("%#x", 15), "0xf");
+ EXPECT_EQ(StrFormat("%04d", 8), "0008");
+ // Posix positional substitution.
+ EXPECT_EQ(absl::StrFormat("%2$s, %3$s, %1$s!", "vici", "veni", "vidi"),
+ "veni, vidi, vici!");
+ // Length modifiers are ignored.
+ EXPECT_EQ(StrFormat("%hhd", int{1}), "1");
+ EXPECT_EQ(StrFormat("%hd", int{1}), "1");
+ EXPECT_EQ(StrFormat("%ld", int{1}), "1");
+ EXPECT_EQ(StrFormat("%lld", int{1}), "1");
+ EXPECT_EQ(StrFormat("%Ld", int{1}), "1");
+ EXPECT_EQ(StrFormat("%jd", int{1}), "1");
+ EXPECT_EQ(StrFormat("%zd", int{1}), "1");
+ EXPECT_EQ(StrFormat("%td", int{1}), "1");
+ EXPECT_EQ(StrFormat("%qd", int{1}), "1");
+}
+
+using str_format_internal::ExtendedParsedFormat;
+using str_format_internal::ParsedFormatBase;
+
+struct SummarizeConsumer {
+ std::string* out;
+ explicit SummarizeConsumer(std::string* out) : out(out) {}
+
+ bool Append(string_view s) {
+ *out += "[" + std::string(s) + "]";
+ return true;
+ }
+
+ bool ConvertOne(const str_format_internal::UnboundConversion& conv,
+ string_view s) {
+ *out += "{";
+ *out += std::string(s);
+ *out += ":";
+ *out += std::to_string(conv.arg_position) + "$";
+ if (conv.width.is_from_arg()) {
+ *out += std::to_string(conv.width.get_from_arg()) + "$*";
+ }
+ if (conv.precision.is_from_arg()) {
+ *out += "." + std::to_string(conv.precision.get_from_arg()) + "$*";
+ }
+ *out += conv.conv.Char();
+ *out += "}";
+ return true;
+ }
+};
+
+std::string SummarizeParsedFormat(const ParsedFormatBase& pc) {
+ std::string out;
+ if (!pc.ProcessFormat(SummarizeConsumer(&out))) out += "!";
+ return out;
+}
+
+class ParsedFormatTest : public testing::Test {};
+
+TEST_F(ParsedFormatTest, SimpleChecked) {
+ EXPECT_EQ("[ABC]{d:1$d}[DEF]",
+ SummarizeParsedFormat(ParsedFormat<'d'>("ABC%dDEF")));
+ EXPECT_EQ("{s:1$s}[FFF]{d:2$d}[ZZZ]{f:3$f}",
+ SummarizeParsedFormat(ParsedFormat<'s', 'd', 'f'>("%sFFF%dZZZ%f")));
+ EXPECT_EQ("{s:1$s}[ ]{.*d:3$.2$*d}",
+ SummarizeParsedFormat(ParsedFormat<'s', '*', 'd'>("%s %.*d")));
+}
+
+TEST_F(ParsedFormatTest, SimpleUncheckedCorrect) {
+ auto f = ParsedFormat<'d'>::New("ABC%dDEF");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]{d:1$d}[DEF]", SummarizeParsedFormat(*f));
+
+ std::string format = "%sFFF%dZZZ%f";
+ auto f2 = ParsedFormat<'s', 'd', 'f'>::New(format);
+
+ ASSERT_TRUE(f2);
+ EXPECT_EQ("{s:1$s}[FFF]{d:2$d}[ZZZ]{f:3$f}", SummarizeParsedFormat(*f2));
+
+ f2 = ParsedFormat<'s', 'd', 'f'>::New("%s %d %f");
+
+ ASSERT_TRUE(f2);
+ EXPECT_EQ("{s:1$s}[ ]{d:2$d}[ ]{f:3$f}", SummarizeParsedFormat(*f2));
+
+ auto star = ParsedFormat<'*', 'd'>::New("%*d");
+ ASSERT_TRUE(star);
+ EXPECT_EQ("{*d:2$1$*d}", SummarizeParsedFormat(*star));
+
+ auto dollar = ParsedFormat<'d', 's'>::New("%2$s %1$d");
+ ASSERT_TRUE(dollar);
+ EXPECT_EQ("{2$s:2$s}[ ]{1$d:1$d}", SummarizeParsedFormat(*dollar));
+ // with reuse
+ dollar = ParsedFormat<'d', 's'>::New("%2$s %1$d %1$d");
+ ASSERT_TRUE(dollar);
+ EXPECT_EQ("{2$s:2$s}[ ]{1$d:1$d}[ ]{1$d:1$d}",
+ SummarizeParsedFormat(*dollar));
+}
+
+TEST_F(ParsedFormatTest, SimpleUncheckedIgnoredArgs) {
+ EXPECT_FALSE((ParsedFormat<'d', 's'>::New("ABC")));
+ EXPECT_FALSE((ParsedFormat<'d', 's'>::New("%dABC")));
+ EXPECT_FALSE((ParsedFormat<'d', 's'>::New("ABC%2$s")));
+ auto f = ParsedFormat<'d', 's'>::NewAllowIgnored("ABC");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]", SummarizeParsedFormat(*f));
+ f = ParsedFormat<'d', 's'>::NewAllowIgnored("%dABC");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("{d:1$d}[ABC]", SummarizeParsedFormat(*f));
+ f = ParsedFormat<'d', 's'>::NewAllowIgnored("ABC%2$s");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]{2$s:2$s}", SummarizeParsedFormat(*f));
+}
+
+TEST_F(ParsedFormatTest, SimpleUncheckedUnsupported) {
+ EXPECT_FALSE(ParsedFormat<'d'>::New("%1$d %1$x"));
+ EXPECT_FALSE(ParsedFormat<'x'>::New("%1$d %1$x"));
+}
+
+TEST_F(ParsedFormatTest, SimpleUncheckedIncorrect) {
+ EXPECT_FALSE(ParsedFormat<'d'>::New(""));
+
+ EXPECT_FALSE(ParsedFormat<'d'>::New("ABC%dDEF%d"));
+
+ std::string format = "%sFFF%dZZZ%f";
+ EXPECT_FALSE((ParsedFormat<'s', 'd', 'g'>::New(format)));
+}
+
+using str_format_internal::Conv;
+
+TEST_F(ParsedFormatTest, UncheckedCorrect) {
+ auto f = ExtendedParsedFormat<Conv::d>::New("ABC%dDEF");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]{d:1$d}[DEF]", SummarizeParsedFormat(*f));
+
+ std::string format = "%sFFF%dZZZ%f";
+ auto f2 =
+ ExtendedParsedFormat<Conv::string, Conv::d, Conv::floating>::New(format);
+
+ ASSERT_TRUE(f2);
+ EXPECT_EQ("{s:1$s}[FFF]{d:2$d}[ZZZ]{f:3$f}", SummarizeParsedFormat(*f2));
+
+ f2 = ExtendedParsedFormat<Conv::string, Conv::d, Conv::floating>::New(
+ "%s %d %f");
+
+ ASSERT_TRUE(f2);
+ EXPECT_EQ("{s:1$s}[ ]{d:2$d}[ ]{f:3$f}", SummarizeParsedFormat(*f2));
+
+ auto star = ExtendedParsedFormat<Conv::star, Conv::d>::New("%*d");
+ ASSERT_TRUE(star);
+ EXPECT_EQ("{*d:2$1$*d}", SummarizeParsedFormat(*star));
+
+ auto dollar = ExtendedParsedFormat<Conv::d, Conv::s>::New("%2$s %1$d");
+ ASSERT_TRUE(dollar);
+ EXPECT_EQ("{2$s:2$s}[ ]{1$d:1$d}", SummarizeParsedFormat(*dollar));
+ // with reuse
+ dollar = ExtendedParsedFormat<Conv::d, Conv::s>::New("%2$s %1$d %1$d");
+ ASSERT_TRUE(dollar);
+ EXPECT_EQ("{2$s:2$s}[ ]{1$d:1$d}[ ]{1$d:1$d}",
+ SummarizeParsedFormat(*dollar));
+}
+
+TEST_F(ParsedFormatTest, UncheckedIgnoredArgs) {
+ EXPECT_FALSE((ExtendedParsedFormat<Conv::d, Conv::s>::New("ABC")));
+ EXPECT_FALSE((ExtendedParsedFormat<Conv::d, Conv::s>::New("%dABC")));
+ EXPECT_FALSE((ExtendedParsedFormat<Conv::d, Conv::s>::New("ABC%2$s")));
+ auto f = ExtendedParsedFormat<Conv::d, Conv::s>::NewAllowIgnored("ABC");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]", SummarizeParsedFormat(*f));
+ f = ExtendedParsedFormat<Conv::d, Conv::s>::NewAllowIgnored("%dABC");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("{d:1$d}[ABC]", SummarizeParsedFormat(*f));
+ f = ExtendedParsedFormat<Conv::d, Conv::s>::NewAllowIgnored("ABC%2$s");
+ ASSERT_TRUE(f);
+ EXPECT_EQ("[ABC]{2$s:2$s}", SummarizeParsedFormat(*f));
+}
+
+TEST_F(ParsedFormatTest, UncheckedMultipleTypes) {
+ auto dx = ExtendedParsedFormat<Conv::d | Conv::x>::New("%1$d %1$x");
+ EXPECT_TRUE(dx);
+ EXPECT_EQ("{1$d:1$d}[ ]{1$x:1$x}", SummarizeParsedFormat(*dx));
+
+ dx = ExtendedParsedFormat<Conv::d | Conv::x>::New("%1$d");
+ EXPECT_TRUE(dx);
+ EXPECT_EQ("{1$d:1$d}", SummarizeParsedFormat(*dx));
+}
+
+TEST_F(ParsedFormatTest, UncheckedIncorrect) {
+ EXPECT_FALSE(ExtendedParsedFormat<Conv::d>::New(""));
+
+ EXPECT_FALSE(ExtendedParsedFormat<Conv::d>::New("ABC%dDEF%d"));
+
+ std::string format = "%sFFF%dZZZ%f";
+ EXPECT_FALSE((ExtendedParsedFormat<Conv::s, Conv::d, Conv::g>::New(format)));
+}
+
+TEST_F(ParsedFormatTest, RegressionMixPositional) {
+ EXPECT_FALSE((ExtendedParsedFormat<Conv::d, Conv::o>::New("%1$d %o")));
+}
+
+} // namespace
+} // inline namespace lts_2018_12_18
+} // namespace absl
+
+// Some codegen thunks that we can use to easily dump the generated assembly for
+// different StrFormat calls.
+
+std::string CodegenAbslStrFormatInt(int i) { // NOLINT
+ return absl::StrFormat("%d", i);
+}
+
+std::string CodegenAbslStrFormatIntStringInt64(int i, const std::string& s,
+ int64_t i64) { // NOLINT
+ return absl::StrFormat("%d %s %d", i, s, i64);
+}
+
+void CodegenAbslStrAppendFormatInt(std::string* out, int i) { // NOLINT
+ absl::StrAppendFormat(out, "%d", i);
+}
+
+void CodegenAbslStrAppendFormatIntStringInt64(std::string* out, int i,
+ const std::string& s,
+ int64_t i64) { // NOLINT
+ absl::StrAppendFormat(out, "%d %s %d", i, s, i64);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-15 01:35:32 +0000