/* * Copyright 2017 The WebRTC Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree.
*/
#include"rtc_base/zero_memory.h"
#include <stdint.h>
#include"api/array_view.h" #include"test/gtest.h"
namespace rtc {
TEST(ZeroMemoryTest, TestZeroMemory) { staticconst size_t kBufferSize = 32;
uint8_t buffer[kBufferSize]; for (size_t i = 0; i < kBufferSize; i++) {
buffer[i] = static_cast<uint8_t>(i + 1);
}
ExplicitZeroMemory(buffer, sizeof(buffer)); for (size_t i = 0; i < kBufferSize; i++) {
EXPECT_EQ(buffer[i], 0);
}
}
TEST(ZeroMemoryTest, TestZeroArrayView) { staticconst size_t kBufferSize = 32;
uint8_t buffer[kBufferSize]; for (size_t i = 0; i < kBufferSize; i++) {
buffer[i] = static_cast<uint8_t>(i + 1);
}
ExplicitZeroMemory(rtc::ArrayView<uint8_t>(buffer, sizeof(buffer))); for (size_t i = 0; i < kBufferSize; i++) {
EXPECT_EQ(buffer[i], 0);
}
}
// While this test doesn't actually test anything, it can be used to check // the compiler output to make sure the call to "ExplicitZeroMemory" is not // optimized away.
TEST(ZeroMemoryTest, TestZeroMemoryUnused) { staticconst size_t kBufferSize = 32;
uint8_t buffer[kBufferSize];
ExplicitZeroMemory(buffer, sizeof(buffer));
}
} // namespace rtc
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