diff options
Diffstat (limited to 'absl/random/log_uniform_int_distribution_test.cc')
| -rw-r--r-- | absl/random/log_uniform_int_distribution_test.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/absl/random/log_uniform_int_distribution_test.cc b/absl/random/log_uniform_int_distribution_test.cc index 5270531d2035..5e780d96d306 100644 --- a/absl/random/log_uniform_int_distribution_test.cc +++ b/absl/random/log_uniform_int_distribution_test.cc @@ -27,6 +27,7 @@ #include "absl/base/internal/raw_logging.h" #include "absl/random/internal/chi_square.h" #include "absl/random/internal/distribution_test_util.h" +#include "absl/random/internal/pcg_engine.h" #include "absl/random/internal/sequence_urbg.h" #include "absl/random/random.h" #include "absl/strings/str_cat.h" @@ -121,7 +122,10 @@ class LogUniformIntChiSquaredTest // data generated by the log-uniform-int distribution. double ChiSquaredTestImpl(); - absl::InsecureBitGen rng_; + // We use a fixed bit generator for distribution accuracy tests. This allows + // these tests to be deterministic, while still testing the qualify of the + // implementation. + absl::random_internal::pcg64_2018_engine rng_{0x2B7E151628AED2A6}; }; double LogUniformIntChiSquaredTest::ChiSquaredTestImpl() { @@ -194,7 +198,6 @@ double LogUniformIntChiSquaredTest::ChiSquaredTestImpl() { TEST_P(LogUniformIntChiSquaredTest, MultiTest) { const int kTrials = 5; - int failures = 0; for (int i = 0; i < kTrials; i++) { double p_value = ChiSquaredTestImpl(); |