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| author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2022-04-28 16:01:35 +0000 |
|---|---|---|
| committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2022-04-28 16:01:35 +0000 |
| commit | cb9e498a892c889c147f7a01b3a40d0df2809daf (patch) | |
| tree | 2ce94d7f0804ccb77d1fa9b2a1bca00eecdff1e2 /third_party/abseil-cpp/absl/random/poisson_distribution_test.cc | |
| parent | 67fba77258cd9aaaf0d6a8088610f083520c71a9 (diff) | |
| parent | 7563023510bf04108a954596ea9393a4c11ac279 (diff) | |
| download | webrtc-cb9e498a892c889c147f7a01b3a40d0df2809daf.tar.gz | |
Snap for 8512216 from 7563023510bf04108a954596ea9393a4c11ac279 to tm-frc-os-statsd-releaset_frc_sta_330443010android13-frc-os-statsd-release
Change-Id: I1fcd170f1eef07ed28e1e7c99aec58269ea849c0
Diffstat (limited to 'third_party/abseil-cpp/absl/random/poisson_distribution_test.cc')
| -rw-r--r-- | third_party/abseil-cpp/absl/random/poisson_distribution_test.cc | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/third_party/abseil-cpp/absl/random/poisson_distribution_test.cc b/third_party/abseil-cpp/absl/random/poisson_distribution_test.cc index 9d215fbc70..8baabd1118 100644 --- a/third_party/abseil-cpp/absl/random/poisson_distribution_test.cc +++ b/third_party/abseil-cpp/absl/random/poisson_distribution_test.cc @@ -30,6 +30,7 @@ #include "absl/container/flat_hash_map.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" @@ -257,7 +258,10 @@ class PoissonDistributionZTest : public testing::TestWithParam<ZParam>, template <typename D> bool SingleZTest(const double p, const size_t samples); - 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}; }; template <typename D> @@ -357,9 +361,13 @@ class PoissonDistributionChiSquaredTest : public testing::TestWithParam<double>, private: void InitChiSquaredTest(const double buckets); - absl::InsecureBitGen rng_; std::vector<size_t> cutoffs_; std::vector<double> expected_; + + // 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}; }; void PoissonDistributionChiSquaredTest::InitChiSquaredTest( |