| /* |
| * Copyright (c) 2014 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 <limits> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/modules/pacing/bitrate_prober.h" |
| |
| namespace webrtc { |
| |
| TEST(BitrateProberTest, VerifyStatesAndTimeBetweenProbes) { |
| BitrateProber prober; |
| EXPECT_FALSE(prober.IsProbing()); |
| int64_t now_ms = 0; |
| EXPECT_EQ(-1, prober.TimeUntilNextProbe(now_ms)); |
| |
| prober.SetEnabled(true); |
| EXPECT_FALSE(prober.IsProbing()); |
| |
| prober.MaybeInitializeProbe(300000); |
| EXPECT_TRUE(prober.IsProbing()); |
| |
| EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
| prober.PacketSent(now_ms, 1000); |
| |
| for (int i = 0; i < 5; ++i) { |
| EXPECT_EQ(8, prober.TimeUntilNextProbe(now_ms)); |
| now_ms += 4; |
| EXPECT_EQ(4, prober.TimeUntilNextProbe(now_ms)); |
| now_ms += 4; |
| EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
| prober.PacketSent(now_ms, 1000); |
| } |
| for (int i = 0; i < 5; ++i) { |
| EXPECT_EQ(4, prober.TimeUntilNextProbe(now_ms)); |
| now_ms += 4; |
| EXPECT_EQ(0, prober.TimeUntilNextProbe(now_ms)); |
| prober.PacketSent(now_ms, 1000); |
| } |
| |
| EXPECT_EQ(-1, prober.TimeUntilNextProbe(now_ms)); |
| EXPECT_FALSE(prober.IsProbing()); |
| } |
| } // namespace webrtc |