From fcb104594b0bb4b8ac306cb2f55ecdad40974683 Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Tue, 4 Dec 2018 11:01:12 -0800 Subject: Creation of LTS branch "lts_2018_12_18" - 44b0fafc62d9b8f192e8180cbe9c4b806b339d57 Export of internal Abseil changes. by Abseil Team - 926bfeb9fff223429c12224b7514243886323e8d Export of internal Abseil changes. by Abseil Team - 13327debebc5c2d1d4991b69fe50450e340e50e4 Export of internal Abseil changes. by Abseil Team - 3088e76c597e068479e82508b1770a7ad0c806b6 Export of internal Abseil changes. by Abseil Team - f6ae816808cd913e0e2b3e2af14f328fa1071af0 Export of internal Abseil changes. by Abseil Team - a06c4a1d9093137b7217a5aaba8920d62e835dc0 Export of internal Abseil changes. by Abseil Team - 7b46e1d31a6b08b1c6da2a13e7b151a20446fa07 Export of internal Abseil changes. by Abseil Team - 070f6e47b33a2909d039e620c873204f78809492 Export of internal Abseil changes. by Abseil Team - 7990fd459e9339467814ddb95000c87cb1e4d945 Export of internal Abseil changes. by Abseil Team - 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87a4c07856e7dc69958019d47b2f02ae47746ec0 Export of internal Abseil changes. by Abseil Team - 4491d606df34c44efda47b6d17b605262f17e182 Export of internal Abseil changes. by Abseil Team GitOrigin-RevId: 44b0fafc62d9b8f192e8180cbe9c4b806b339d57 Change-Id: I2c427b5b41b2d34101922048b00f3d9dafcb498d --- absl/strings/internal/str_format/checker_test.cc | 152 +++++++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 absl/strings/internal/str_format/checker_test.cc (limited to 'absl/strings/internal/str_format/checker_test.cc') diff --git a/absl/strings/internal/str_format/checker_test.cc b/absl/strings/internal/str_format/checker_test.cc new file mode 100644 index 00000000..b4f38979 --- /dev/null +++ b/absl/strings/internal/str_format/checker_test.cc @@ -0,0 +1,152 @@ +#include + +#include "gmock/gmock.h" +#include "gtest/gtest.h" +#include "absl/strings/str_format.h" + +namespace absl { +inline namespace lts_2018_12_18 { +namespace str_format_internal { +namespace { + +std::string ConvToString(Conv conv) { + std::string out; +#define CONV_SET_CASE(c) \ + if (Contains(conv, Conv::c)) out += #c; + ABSL_CONVERSION_CHARS_EXPAND_(CONV_SET_CASE, ) +#undef CONV_SET_CASE + if (Contains(conv, Conv::star)) out += "*"; + return out; +} + +TEST(StrFormatChecker, ArgumentToConv) { + Conv conv = ArgumentToConv(); + EXPECT_EQ(ConvToString(conv), "s"); + + conv = ArgumentToConv(); + EXPECT_EQ(ConvToString(conv), "sp"); + + conv = ArgumentToConv(); + EXPECT_EQ(ConvToString(conv), "fFeEgGaA"); + + conv = ArgumentToConv(); + EXPECT_EQ(ConvToString(conv), "cdiouxXfFeEgGaA*"); + + conv = ArgumentToConv(); + EXPECT_EQ(ConvToString(conv), "p"); +} + +#if ABSL_INTERNAL_ENABLE_FORMAT_CHECKER + +struct Case { + bool result; + const char* format; +}; + +template +constexpr Case ValidFormat(const char* format) { + return {ValidFormatImpl()...>(format), format}; +} + +TEST(StrFormatChecker, ValidFormat) { + // We want to make sure these expressions are constexpr and they have the + // expected value. + // If they are not constexpr the attribute will just ignore them and not give + // a compile time error. + enum e {}; + enum class e2 {}; + constexpr Case trues[] = { + ValidFormat<>("abc"), // + + ValidFormat("%d"), // + ValidFormat("%d"), // + ValidFormat("%% %d"), // + ValidFormat("%ld"), // + ValidFormat("%lld"), // + ValidFormat("%s"), // + ValidFormat("%10s"), // + ValidFormat("%.10x"), // + ValidFormat("%*.3x"), // + ValidFormat("%1.d"), // + ValidFormat("%.d"), // + ValidFormat("%d %g"), // + ValidFormat("%*s"), // + ValidFormat("%.*f"), // + ValidFormat("%p %p"), // + ValidFormat( + "string_view=%s const char*=%s double=%f void*=%p)"), + + ValidFormat("%% %1$d"), // + ValidFormat("%1$ld"), // + ValidFormat("%1$lld"), // + ValidFormat("%1$s"), // + ValidFormat("%1$10s"), // + ValidFormat("%1$.10x"), // + ValidFormat("%1$*1$.*1$d"), // + ValidFormat("%1$*2$.3x"), // + ValidFormat("%1$1.d"), // + ValidFormat("%1$.d"), // + ValidFormat("%2$d %1$g"), // + ValidFormat("%2$*1$s"), // + ValidFormat("%2$.*1$f"), // + ValidFormat( + "string_view=%2$s const char*=%3$s double=%4$f void*=%1$p " + "repeat=%3$s)")}; + + for (Case c : trues) { + EXPECT_TRUE(c.result) << c.format; + } + + constexpr Case falses[] = { + ValidFormat(""), // + + ValidFormat("%s"), // + ValidFormat("%s"), // + ValidFormat<>("%s"), // + ValidFormat<>("%r"), // + ValidFormat("%s"), // + ValidFormat("%.1.d"), // + ValidFormat("%*1d"), // + ValidFormat("%1-d"), // + ValidFormat("%*s"), // + ValidFormat("%*d"), // + ValidFormat("%p"), // + ValidFormat("%d"), // + + ValidFormat<>("%3$d"), // + ValidFormat<>("%1$r"), // + ValidFormat("%1$s"), // + ValidFormat("%1$.1.d"), // + ValidFormat("%1$*2$1d"), // + ValidFormat("%1$1-d"), // + ValidFormat("%2$*1$s"), // + ValidFormat("%1$p"), + + ValidFormat("%d %2$d"), // + }; + + for (Case c : falses) { + EXPECT_FALSE(c.result) << c.format; + } +} + +TEST(StrFormatChecker, LongFormat) { +#define CHARS_X_40 "1234567890123456789012345678901234567890" +#define CHARS_X_400 \ + CHARS_X_40 CHARS_X_40 CHARS_X_40 CHARS_X_40 CHARS_X_40 CHARS_X_40 CHARS_X_40 \ + CHARS_X_40 CHARS_X_40 CHARS_X_40 +#define CHARS_X_4000 \ + CHARS_X_400 CHARS_X_400 CHARS_X_400 CHARS_X_400 CHARS_X_400 CHARS_X_400 \ + CHARS_X_400 CHARS_X_400 CHARS_X_400 CHARS_X_400 + constexpr char long_format[] = + CHARS_X_4000 "%d" CHARS_X_4000 "%s" CHARS_X_4000; + constexpr bool is_valid = ValidFormat(long_format).result; + EXPECT_TRUE(is_valid); +} + +#endif // ABSL_INTERNAL_ENABLE_FORMAT_CHECKER + +} // namespace +} // namespace str_format_internal +} // inline namespace lts_2018_12_18 +} // namespace absl -- cgit v1.2.3