chromium/remoting/base/rate_counter_unittest.cc

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "remoting/base/rate_counter.h"

#include <stddef.h>
#include <stdint.h>

#include "base/test/simple_test_tick_clock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace remoting {

static const int64_t kTestValues[] = …;

// One second window and one sample per second, so rate equals each sample.
TEST(RateCounterTest, OneSecondWindow) { … }

// Record all samples instantaneously, so the rate is the total of the samples.
TEST(RateCounterTest, OneSecondWindowAllSamples) { … }

// Two second window, one sample per second.  For all but the first sample, the
// rate should be the average of it and the preceding one.  For the first it
// will be the average of the sample with zero.
TEST(RateCounterTest, TwoSecondWindow) { … }

// Sample over a window one second shorter than the number of samples.
// Rate should be the average of all but the first sample.
TEST(RateCounterTest, LongWindow) { … }

}  // namespace remoting