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| 1 /* | |
| 2 * Copyright 2015 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 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 | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/bufferqueue.h" | |
| 12 #include "webrtc/base/gunit.h" | |
| 13 | |
| 14 namespace rtc { | |
| 15 | |
| 16 TEST(BufferQueueTest, TestAll) { | |
| 17 const size_t kSize = 16; | |
| 18 const char in[kSize * 2 + 1] = "0123456789ABCDEFGHIJKLMNOPQRSTUV"; | |
| 19 char out[kSize * 2]; | |
| 20 size_t bytes; | |
| 21 BufferQueue queue1(1, kSize); | |
| 22 BufferQueue queue2(2, kSize); | |
| 23 | |
| 24 // The queue is initially empty. | |
| 25 EXPECT_EQ(0u, queue1.size()); | |
| 26 EXPECT_FALSE(queue1.ReadFront(out, kSize, &bytes)); | |
| 27 | |
| 28 // A write should succeed. | |
| 29 EXPECT_TRUE(queue1.WriteBack(in, kSize, &bytes)); | |
| 30 EXPECT_EQ(kSize, bytes); | |
| 31 EXPECT_EQ(1u, queue1.size()); | |
| 32 | |
| 33 // The queue is full now (only one buffer allowed). | |
| 34 EXPECT_FALSE(queue1.WriteBack(in, kSize, &bytes)); | |
| 35 EXPECT_EQ(1u, queue1.size()); | |
| 36 | |
| 37 // Reading previously written buffer. | |
| 38 EXPECT_TRUE(queue1.ReadFront(out, kSize, &bytes)); | |
| 39 EXPECT_EQ(kSize, bytes); | |
| 40 EXPECT_EQ(0, memcmp(in, out, kSize)); | |
| 41 | |
| 42 // The queue is empty again now. | |
| 43 EXPECT_FALSE(queue1.ReadFront(out, kSize, &bytes)); | |
| 44 EXPECT_EQ(0u, queue1.size()); | |
| 45 | |
| 46 // Reading only returns available data. | |
| 47 EXPECT_TRUE(queue1.WriteBack(in, kSize, &bytes)); | |
| 48 EXPECT_EQ(kSize, bytes); | |
| 49 EXPECT_EQ(1u, queue1.size()); | |
| 50 EXPECT_TRUE(queue1.ReadFront(out, kSize * 2, &bytes)); | |
| 51 EXPECT_EQ(kSize, bytes); | |
| 52 EXPECT_EQ(0, memcmp(in, out, kSize)); | |
| 53 EXPECT_EQ(0u, queue1.size()); | |
| 54 | |
| 55 // Reading maintains buffer boundaries. | |
| 56 EXPECT_TRUE(queue2.WriteBack(in, kSize / 2, &bytes)); | |
| 57 EXPECT_EQ(1u, queue2.size()); | |
| 58 EXPECT_TRUE(queue2.WriteBack(in + kSize / 2, kSize / 2, &bytes)); | |
| 59 EXPECT_EQ(2u, queue2.size()); | |
| 60 EXPECT_TRUE(queue2.ReadFront(out, kSize, &bytes)); | |
| 61 EXPECT_EQ(kSize / 2, bytes); | |
| 62 EXPECT_EQ(0, memcmp(in, out, kSize / 2)); | |
| 63 EXPECT_EQ(1u, queue2.size()); | |
| 64 EXPECT_TRUE(queue2.ReadFront(out, kSize, &bytes)); | |
| 65 EXPECT_EQ(kSize / 2, bytes); | |
| 66 EXPECT_EQ(0, memcmp(in + kSize / 2, out, kSize / 2)); | |
| 67 EXPECT_EQ(0u, queue2.size()); | |
| 68 | |
| 69 // Reading truncates buffers. | |
| 70 EXPECT_TRUE(queue2.WriteBack(in, kSize / 2, &bytes)); | |
| 71 EXPECT_EQ(1u, queue2.size()); | |
| 72 EXPECT_TRUE(queue2.WriteBack(in + kSize / 2, kSize / 2, &bytes)); | |
| 73 EXPECT_EQ(2u, queue2.size()); | |
| 74 // Read first packet partially in too-small buffer. | |
| 75 EXPECT_TRUE(queue2.ReadFront(out, kSize / 4, &bytes)); | |
| 76 EXPECT_EQ(kSize / 4, bytes); | |
| 77 EXPECT_EQ(0, memcmp(in, out, kSize / 4)); | |
| 78 EXPECT_EQ(1u, queue2.size()); | |
| 79 // Remainder of first packet is truncated, reading starts with next packet. | |
| 80 EXPECT_TRUE(queue2.ReadFront(out, kSize, &bytes)); | |
| 81 EXPECT_EQ(kSize / 2, bytes); | |
| 82 EXPECT_EQ(0, memcmp(in + kSize / 2, out, kSize / 2)); | |
| 83 EXPECT_EQ(0u, queue2.size()); | |
| 84 } | |
| 85 | |
| 86 } // namespace rtc | |
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Chromium Code Reviews
Issue 2877023002:
Move webrtc/{base => rtc_base} (Closed)
