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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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26 const int kClusterSize = 5; | 26 const int kClusterSize = 5; |
27 const int kProbeSize = 1000; | 27 const int kProbeSize = 1000; |
28 const int kMinProbeDurationMs = 15; | 28 const int kMinProbeDurationMs = 15; |
29 | 29 |
30 prober.CreateProbeCluster(kTestBitrate1, now_ms); | 30 prober.CreateProbeCluster(kTestBitrate1, now_ms); |
31 prober.CreateProbeCluster(kTestBitrate2, now_ms); | 31 prober.CreateProbeCluster(kTestBitrate2, now_ms); |
32 EXPECT_FALSE(prober.IsProbing()); | 32 EXPECT_FALSE(prober.IsProbing()); |
33 | 33 |
34 prober.OnIncomingPacket(kProbeSize); | 34 prober.OnIncomingPacket(kProbeSize); |
35 EXPECT_TRUE(prober.IsProbing()); | 35 EXPECT_TRUE(prober.IsProbing()); |
36 EXPECT_EQ(0, prober.CurrentClusterId()); | 36 EXPECT_EQ(0, prober.CurrentCluster().probe_cluster_id); |
37 | 37 |
38 // First packet should probe as soon as possible. | 38 // First packet should probe as soon as possible. |
39 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); | 39 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
40 | 40 |
41 for (int i = 0; i < kClusterSize; ++i) { | 41 for (int i = 0; i < kClusterSize; ++i) { |
42 now_ms += prober.TimeUntilNextProbe(now_ms); | 42 now_ms += prober.TimeUntilNextProbe(now_ms); |
43 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); | 43 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
44 EXPECT_EQ(0, prober.CurrentClusterId()); | 44 EXPECT_EQ(0, prober.CurrentCluster().probe_cluster_id); |
45 prober.ProbeSent(now_ms, kProbeSize); | 45 prober.ProbeSent(now_ms, kProbeSize); |
46 } | 46 } |
47 | 47 |
48 EXPECT_GE(now_ms, kMinProbeDurationMs); | 48 EXPECT_GE(now_ms, kMinProbeDurationMs); |
49 // Verify that the actual bitrate is withing 10% of the target. | 49 // Verify that the actual bitrate is withing 10% of the target. |
50 double bitrate = kProbeSize * (kClusterSize - 1) * 8 * 1000.0 / now_ms; | 50 double bitrate = kProbeSize * (kClusterSize - 1) * 8 * 1000.0 / now_ms; |
51 EXPECT_GT(bitrate, kTestBitrate1 * 0.9); | 51 EXPECT_GT(bitrate, kTestBitrate1 * 0.9); |
52 EXPECT_LT(bitrate, kTestBitrate1 * 1.1); | 52 EXPECT_LT(bitrate, kTestBitrate1 * 1.1); |
53 | 53 |
54 now_ms += prober.TimeUntilNextProbe(now_ms); | 54 now_ms += prober.TimeUntilNextProbe(now_ms); |
55 int64_t probe2_started = now_ms; | 55 int64_t probe2_started = now_ms; |
56 | 56 |
57 for (int i = 0; i < kClusterSize; ++i) { | 57 for (int i = 0; i < kClusterSize; ++i) { |
58 now_ms += prober.TimeUntilNextProbe(now_ms); | 58 now_ms += prober.TimeUntilNextProbe(now_ms); |
59 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); | 59 EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
60 EXPECT_EQ(1, prober.CurrentClusterId()); | 60 EXPECT_EQ(1, prober.CurrentCluster().probe_cluster_id); |
61 prober.ProbeSent(now_ms, kProbeSize); | 61 prober.ProbeSent(now_ms, kProbeSize); |
62 } | 62 } |
63 | 63 |
64 // Verify that the actual bitrate is withing 10% of the target. | 64 // Verify that the actual bitrate is withing 10% of the target. |
65 int duration = now_ms - probe2_started; | 65 int duration = now_ms - probe2_started; |
66 EXPECT_GE(duration, kMinProbeDurationMs); | 66 EXPECT_GE(duration, kMinProbeDurationMs); |
67 bitrate = kProbeSize * (kClusterSize - 1) * 8 * 1000.0 / duration; | 67 bitrate = kProbeSize * (kClusterSize - 1) * 8 * 1000.0 / duration; |
68 EXPECT_GT(bitrate, kTestBitrate2 * 0.9); | 68 EXPECT_GT(bitrate, kTestBitrate2 * 0.9); |
69 EXPECT_LT(bitrate, kTestBitrate2 * 1.1); | 69 EXPECT_LT(bitrate, kTestBitrate2 * 1.1); |
70 | 70 |
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174 int bytes_sent = 0; | 174 int bytes_sent = 0; |
175 while (bytes_sent < kExpectedBytesSent) { | 175 while (bytes_sent < kExpectedBytesSent) { |
176 ASSERT_TRUE(prober.IsProbing()); | 176 ASSERT_TRUE(prober.IsProbing()); |
177 prober.ProbeSent(0, kSmallPacketSize); | 177 prober.ProbeSent(0, kSmallPacketSize); |
178 bytes_sent += kSmallPacketSize; | 178 bytes_sent += kSmallPacketSize; |
179 } | 179 } |
180 | 180 |
181 EXPECT_FALSE(prober.IsProbing()); | 181 EXPECT_FALSE(prober.IsProbing()); |
182 } | 182 } |
183 } // namespace webrtc | 183 } // namespace webrtc |
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