diff options
Diffstat (limited to 'third_party/abseil-cpp/absl/time/duration_test.cc')
| -rw-r--r-- | third_party/abseil-cpp/absl/time/duration_test.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/third_party/abseil-cpp/absl/time/duration_test.cc b/third_party/abseil-cpp/absl/time/duration_test.cc index fb28fa987f..b7209e1c0a 100644 --- a/third_party/abseil-cpp/absl/time/duration_test.cc +++ b/third_party/abseil-cpp/absl/time/duration_test.cc @@ -17,6 +17,7 @@ #endif #include <chrono> // NOLINT(build/c++11) +#include <cfloat> #include <cmath> #include <cstdint> #include <ctime> @@ -1320,7 +1321,7 @@ TEST(Duration, SmallConversions) { EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(0)); // TODO(bww): Is the next one OK? - EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(0.124999999e-9)); + EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(std::nextafter(0.125e-9, 0))); EXPECT_EQ(absl::Nanoseconds(1) / 4, absl::Seconds(0.125e-9)); EXPECT_EQ(absl::Nanoseconds(1) / 4, absl::Seconds(0.250e-9)); EXPECT_EQ(absl::Nanoseconds(1) / 2, absl::Seconds(0.375e-9)); @@ -1330,7 +1331,7 @@ TEST(Duration, SmallConversions) { EXPECT_EQ(absl::Nanoseconds(1), absl::Seconds(0.875e-9)); EXPECT_EQ(absl::Nanoseconds(1), absl::Seconds(1.000e-9)); - EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(-0.124999999e-9)); + EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(std::nextafter(-0.125e-9, 0))); EXPECT_EQ(-absl::Nanoseconds(1) / 4, absl::Seconds(-0.125e-9)); EXPECT_EQ(-absl::Nanoseconds(1) / 4, absl::Seconds(-0.250e-9)); EXPECT_EQ(-absl::Nanoseconds(1) / 2, absl::Seconds(-0.375e-9)); @@ -1390,6 +1391,14 @@ void VerifyApproxSameAsMul(double time_as_seconds, int* const misses) { // Seconds(point) returns a duration near point * Seconds(1.0). (They may // not be exactly equal due to fused multiply/add contraction.) TEST(Duration, ToDoubleSecondsCheckEdgeCases) { +#if (defined(__i386__) || defined(_M_IX86)) && FLT_EVAL_METHOD != 0 + // We're using an x87-compatible FPU, and intermediate operations can be + // performed with 80-bit floats. This means the edge cases are different than + // what we expect here, so just skip this test. + GTEST_SKIP() + << "Skipping the test because we detected x87 floating-point semantics"; +#endif + constexpr uint32_t kTicksPerSecond = absl::time_internal::kTicksPerSecond; constexpr auto duration_tick = absl::time_internal::MakeDuration(0, 1u); int misses = 0; |