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Use absl::InsecureBitGen in place of std::random_device in Abseil tests.

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PiperOrigin-RevId: 750721356
Change-Id: I84e8a1c2a80335983e557270ef78b8b0b4f1e452
This commit is contained in:
Laramie Leavitt
2025-04-23 14:16:00 -07:00
committed by Copybara-Service
parent 46ce0ecdef
commit 3870e283fb
27 changed files with 110 additions and 136 deletions
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15
absl/algorithm/container_test.cc
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@@ -16,6 +16,7 @@
#include <algorithm>
#include <array>
#include <cstddef>
#include <functional>
#include <initializer_list>
#include <iterator>
@@ -35,6 +36,7 @@
#include "absl/base/config.h"
#include "absl/base/macros.h"
#include "absl/memory/memory.h"
#include "absl/random/random.h"
#include "absl/types/span.h"
namespace {
@@ -986,25 +988,16 @@ TEST(MutatingTest, RotateCopy) {
EXPECT_THAT(actual, ElementsAre(3, 4, 1, 2, 5));
}
template <typename T>
T RandomlySeededPrng() {
std::random_device rdev;
std::seed_seq::result_type data[T::state_size];
std::generate_n(data, T::state_size, std::ref(rdev));
std::seed_seq prng_seed(data, data + T::state_size);
return T(prng_seed);
}
TEST(MutatingTest, Shuffle) {
std::vector<int> actual = {1, 2, 3, 4, 5};
absl::c_shuffle(actual, RandomlySeededPrng<std::mt19937_64>());
absl::c_shuffle(actual, absl::InsecureBitGen());
EXPECT_THAT(actual, UnorderedElementsAre(1, 2, 3, 4, 5));
}
TEST(MutatingTest, Sample) {
std::vector<int> actual;
absl::c_sample(std::vector<int>{1, 2, 3, 4, 5}, std::back_inserter(actual), 3,
RandomlySeededPrng<std::mt19937_64>());
absl::InsecureBitGen());
EXPECT_THAT(actual, IsSubsetOf({1, 2, 3, 4, 5}));
EXPECT_THAT(actual, SizeIs(3));
}