1 /* 2 * Copyright 2011 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 #if !defined(__arm__) 12 // For testing purposes, define faked versions of the atomic operations 13 #include "webrtc/base/basictypes.h" 14 namespace rtc { 15 typedef uint32 Atomic32; 16 static inline void MemoryBarrier() { } 17 static inline void AtomicIncrement(volatile Atomic32* ptr) { 18 *ptr = *ptr + 1; 19 } 20 } 21 #define SKIP_ATOMIC_CHECK 22 #endif 23 24 #include "webrtc/base/atomicops.h" 25 #include "webrtc/base/gunit.h" 26 #include "webrtc/base/helpers.h" 27 #include "webrtc/base/logging.h" 28 29 TEST(FixedSizeLockFreeQueueTest, TestDefaultConstruct) { 30 rtc::FixedSizeLockFreeQueue<int> queue; 31 EXPECT_EQ(0u, queue.capacity()); 32 EXPECT_EQ(0u, queue.Size()); 33 EXPECT_FALSE(queue.PushBack(1)); 34 int val; 35 EXPECT_FALSE(queue.PopFront(&val)); 36 } 37 38 TEST(FixedSizeLockFreeQueueTest, TestConstruct) { 39 rtc::FixedSizeLockFreeQueue<int> queue(5); 40 EXPECT_EQ(5u, queue.capacity()); 41 EXPECT_EQ(0u, queue.Size()); 42 int val; 43 EXPECT_FALSE(queue.PopFront(&val)); 44 } 45 46 TEST(FixedSizeLockFreeQueueTest, TestPushPop) { 47 rtc::FixedSizeLockFreeQueue<int> queue(2); 48 EXPECT_EQ(2u, queue.capacity()); 49 EXPECT_EQ(0u, queue.Size()); 50 EXPECT_TRUE(queue.PushBack(1)); 51 EXPECT_EQ(1u, queue.Size()); 52 EXPECT_TRUE(queue.PushBack(2)); 53 EXPECT_EQ(2u, queue.Size()); 54 EXPECT_FALSE(queue.PushBack(3)); 55 EXPECT_EQ(2u, queue.Size()); 56 int val; 57 EXPECT_TRUE(queue.PopFront(&val)); 58 EXPECT_EQ(1, val); 59 EXPECT_EQ(1u, queue.Size()); 60 EXPECT_TRUE(queue.PopFront(&val)); 61 EXPECT_EQ(2, val); 62 EXPECT_EQ(0u, queue.Size()); 63 EXPECT_FALSE(queue.PopFront(&val)); 64 EXPECT_EQ(0u, queue.Size()); 65 } 66 67 TEST(FixedSizeLockFreeQueueTest, TestResize) { 68 rtc::FixedSizeLockFreeQueue<int> queue(2); 69 EXPECT_EQ(2u, queue.capacity()); 70 EXPECT_EQ(0u, queue.Size()); 71 EXPECT_TRUE(queue.PushBack(1)); 72 EXPECT_EQ(1u, queue.Size()); 73 74 queue.ClearAndResizeUnsafe(5); 75 EXPECT_EQ(5u, queue.capacity()); 76 EXPECT_EQ(0u, queue.Size()); 77 int val; 78 EXPECT_FALSE(queue.PopFront(&val)); 79 } 80
