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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/capture_scheduler.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
static const int kTestInputs[] = { 100, 50, 30, 20, 10, 30, 60, 80 };
TEST(CaptureSchedulerTest, SingleSampleSameTimes) {
const int kTestResults[][arraysize(kTestInputs)] = {
{ 400, 200, 120, 80, 50, 120, 240, 320 }, // One core.
{ 200, 100, 60, 50, 50, 60, 120, 160 }, // Two cores.
{ 100, 50, 50, 50, 50, 50, 60, 80 }, // Four cores.
{ 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores.
};
for (size_t i = 0; i < arraysize(kTestResults); ++i) {
for (size_t j = 0; j < arraysize(kTestInputs); ++j) {
CaptureScheduler scheduler;
scheduler.SetNumOfProcessorsForTest(1 << i);
scheduler.RecordCaptureTime(
base::TimeDelta::FromMilliseconds(kTestInputs[j]));
scheduler.RecordEncodeTime(
base::TimeDelta::FromMilliseconds(kTestInputs[j]));
EXPECT_EQ(kTestResults[i][j],
scheduler.NextCaptureDelay().InMilliseconds());
}
}
}
TEST(CaptureSchedulerTest, SingleSampleDifferentTimes) {
const int kTestResults[][arraysize(kTestInputs)] = {
{ 360, 220, 120, 60, 60, 120, 220, 360 }, // One core.
{ 180, 110, 60, 50, 50, 60, 110, 180 }, // Two cores.
{ 90, 55, 50, 50, 50, 50, 55, 90 }, // Four cores.
{ 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores.
};
for (size_t i = 0; i < arraysize(kTestResults); ++i) {
for (size_t j = 0; j < arraysize(kTestInputs); ++j) {
CaptureScheduler scheduler;
scheduler.SetNumOfProcessorsForTest(1 << i);
scheduler.RecordCaptureTime(
base::TimeDelta::FromMilliseconds(kTestInputs[j]));
scheduler.RecordEncodeTime(
base::TimeDelta::FromMilliseconds(
kTestInputs[arraysize(kTestInputs) - 1 - j]));
EXPECT_EQ(kTestResults[i][j],
scheduler.NextCaptureDelay().InMilliseconds());
}
}
}
TEST(CaptureSchedulerTest, RollingAverageDifferentTimes) {
const int kTestResults[][arraysize(kTestInputs)] = {
{ 360, 290, 233, 133, 80, 80, 133, 233 }, // One core.
{ 180, 145, 116, 66, 50, 50, 66, 116 }, // Two cores.
{ 90, 72, 58, 50, 50, 50, 50, 58 }, // Four cores.
{ 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores.
};
for (size_t i = 0; i < arraysize(kTestResults); ++i) {
CaptureScheduler scheduler;
scheduler.SetNumOfProcessorsForTest(1 << i);
for (size_t j = 0; j < arraysize(kTestInputs); ++j) {
scheduler.RecordCaptureTime(
base::TimeDelta::FromMilliseconds(kTestInputs[j]));
scheduler.RecordEncodeTime(
base::TimeDelta::FromMilliseconds(
kTestInputs[arraysize(kTestInputs) - 1 - j]));
EXPECT_EQ(kTestResults[i][j],
scheduler.NextCaptureDelay().InMilliseconds());
}
}
}
} // namespace remoting
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