1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "remoting/host/capture_scheduler.h" 6 #include "testing/gtest/include/gtest/gtest.h" 7 8 namespace remoting { 9 10 static const int kTestInputs[] = { 100, 50, 30, 20, 10, 30, 60, 80 }; 11 static const int kMinumumFrameIntervalMs = 50; 12 13 TEST(CaptureSchedulerTest, SingleSampleSameTimes) { 14 const int kTestResults[][arraysize(kTestInputs)] = { 15 { 400, 200, 120, 80, 50, 120, 240, 320 }, // One core. 16 { 200, 100, 60, 50, 50, 60, 120, 160 }, // Two cores. 17 { 100, 50, 50, 50, 50, 50, 60, 80 }, // Four cores. 18 { 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores. 19 }; 20 21 for (size_t i = 0; i < arraysize(kTestResults); ++i) { 22 for (size_t j = 0; j < arraysize(kTestInputs); ++j) { 23 CaptureScheduler scheduler; 24 scheduler.SetNumOfProcessorsForTest(1 << i); 25 scheduler.set_minimum_interval( 26 base::TimeDelta::FromMilliseconds(kMinumumFrameIntervalMs)); 27 scheduler.RecordCaptureTime( 28 base::TimeDelta::FromMilliseconds(kTestInputs[j])); 29 scheduler.RecordEncodeTime( 30 base::TimeDelta::FromMilliseconds(kTestInputs[j])); 31 EXPECT_EQ(kTestResults[i][j], 32 scheduler.NextCaptureDelay().InMilliseconds()) << i << " "<< j; 33 } 34 } 35 } 36 37 TEST(CaptureSchedulerTest, SingleSampleDifferentTimes) { 38 const int kTestResults[][arraysize(kTestInputs)] = { 39 { 360, 220, 120, 60, 60, 120, 220, 360 }, // One core. 40 { 180, 110, 60, 50, 50, 60, 110, 180 }, // Two cores. 41 { 90, 55, 50, 50, 50, 50, 55, 90 }, // Four cores. 42 { 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores. 43 }; 44 45 for (size_t i = 0; i < arraysize(kTestResults); ++i) { 46 for (size_t j = 0; j < arraysize(kTestInputs); ++j) { 47 CaptureScheduler scheduler; 48 scheduler.SetNumOfProcessorsForTest(1 << i); 49 scheduler.set_minimum_interval( 50 base::TimeDelta::FromMilliseconds(kMinumumFrameIntervalMs)); 51 scheduler.RecordCaptureTime( 52 base::TimeDelta::FromMilliseconds(kTestInputs[j])); 53 scheduler.RecordEncodeTime( 54 base::TimeDelta::FromMilliseconds( 55 kTestInputs[arraysize(kTestInputs) - 1 - j])); 56 EXPECT_EQ(kTestResults[i][j], 57 scheduler.NextCaptureDelay().InMilliseconds()); 58 } 59 } 60 } 61 62 TEST(CaptureSchedulerTest, RollingAverageDifferentTimes) { 63 const int kTestResults[][arraysize(kTestInputs)] = { 64 { 360, 290, 233, 133, 80, 80, 133, 233 }, // One core. 65 { 180, 145, 116, 66, 50, 50, 66, 116 }, // Two cores. 66 { 90, 72, 58, 50, 50, 50, 50, 58 }, // Four cores. 67 { 50, 50, 50, 50, 50, 50, 50, 50 } // Eight cores. 68 }; 69 70 for (size_t i = 0; i < arraysize(kTestResults); ++i) { 71 CaptureScheduler scheduler; 72 scheduler.SetNumOfProcessorsForTest(1 << i); 73 scheduler.set_minimum_interval( 74 base::TimeDelta::FromMilliseconds(kMinumumFrameIntervalMs)); 75 for (size_t j = 0; j < arraysize(kTestInputs); ++j) { 76 scheduler.RecordCaptureTime( 77 base::TimeDelta::FromMilliseconds(kTestInputs[j])); 78 scheduler.RecordEncodeTime( 79 base::TimeDelta::FromMilliseconds( 80 kTestInputs[arraysize(kTestInputs) - 1 - j])); 81 EXPECT_EQ(kTestResults[i][j], 82 scheduler.NextCaptureDelay().InMilliseconds()); 83 } 84 } 85 } 86 87 } // namespace remoting 88