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-rw-r--r--absl/random/discrete_distribution_test.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/absl/random/discrete_distribution_test.cc b/absl/random/discrete_distribution_test.cc
index 7296f0ac226a..6d007006ef48 100644
--- a/absl/random/discrete_distribution_test.cc
+++ b/absl/random/discrete_distribution_test.cc
@@ -29,6 +29,7 @@
 #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"
@@ -156,7 +157,10 @@ TEST(DiscreteDistributionTest, ChiSquaredTest50) {
   std::iota(std::begin(weights), std::end(weights), 1);
   absl::discrete_distribution<int> dist(std::begin(weights), std::end(weights));
 
-  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);
 
   std::vector<int32_t> counts(kBuckets, 0);
   for (size_t i = 0; i < kTrials; i++) {