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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include "src/common/random.h"
#include <algorithm>
#include <iterator>
#include <gtest/gtest.h>
using opentelemetry::sdk::common::Random;
TEST(RandomTest, GenerateRandom64)
{
EXPECT_NE(Random::GenerateRandom64(), Random::GenerateRandom64());
}
TEST(RandomTest, GenerateRandomBuffer)
{
uint8_t buf1[8] = {0};
uint8_t buf2[8] = {0};
Random::GenerateRandomBuffer(buf1);
Random::GenerateRandomBuffer(buf2);
EXPECT_FALSE(std::equal(std::begin(buf1), std::end(buf1), std::begin(buf2)));
// Edge cases.
for (auto size : {7, 8, 9, 16, 17})
{
std::vector<uint8_t> buf1(size);
std::vector<uint8_t> buf2(size);
Random::GenerateRandomBuffer(buf1);
Random::GenerateRandomBuffer(buf2);
EXPECT_FALSE(std::equal(std::begin(buf1), std::end(buf1), std::begin(buf2)));
}
}
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