henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 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 | #ifndef WEBRTC_BASE_GUNIT_H_ |
| 12 | #define WEBRTC_BASE_GUNIT_H_ |
| 13 | |
| 14 | #include "webrtc/base/logging.h" |
| 15 | #include "webrtc/base/thread.h" |
| 16 | #if defined(WEBRTC_ANDROID) || defined(GTEST_RELATIVE_PATH) |
| 17 | #include "gtest/gtest.h" |
| 18 | #else |
| 19 | #include "testing/base/public/gunit.h" |
| 20 | #endif |
| 21 | |
| 22 | // forward declarations |
| 23 | namespace rtc { |
| 24 | class Pathname; |
| 25 | } |
| 26 | |
| 27 | // Wait until "ex" is true, or "timeout" expires. |
| 28 | #define WAIT(ex, timeout) \ |
| 29 | for (uint32 start = rtc::Time(); \ |
| 30 | !(ex) && rtc::Time() < start + timeout;) \ |
| 31 | rtc::Thread::Current()->ProcessMessages(1); |
| 32 | |
| 33 | // This returns the result of the test in res, so that we don't re-evaluate |
| 34 | // the expression in the XXXX_WAIT macros below, since that causes problems |
| 35 | // when the expression is only true the first time you check it. |
| 36 | #define WAIT_(ex, timeout, res) \ |
| 37 | do { \ |
| 38 | uint32 start = rtc::Time(); \ |
| 39 | res = (ex); \ |
| 40 | while (!res && rtc::Time() < start + timeout) { \ |
| 41 | rtc::Thread::Current()->ProcessMessages(1); \ |
| 42 | res = (ex); \ |
| 43 | } \ |
| 44 | } while (0); |
| 45 | |
| 46 | // The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout. |
| 47 | #define EXPECT_TRUE_WAIT(ex, timeout) \ |
| 48 | do { \ |
| 49 | bool res; \ |
| 50 | WAIT_(ex, timeout, res); \ |
| 51 | if (!res) EXPECT_TRUE(ex); \ |
| 52 | } while (0); |
| 53 | |
| 54 | #define EXPECT_EQ_WAIT(v1, v2, timeout) \ |
| 55 | do { \ |
| 56 | bool res; \ |
| 57 | WAIT_(v1 == v2, timeout, res); \ |
| 58 | if (!res) EXPECT_EQ(v1, v2); \ |
| 59 | } while (0); |
| 60 | |
| 61 | #define ASSERT_TRUE_WAIT(ex, timeout) \ |
| 62 | do { \ |
| 63 | bool res; \ |
| 64 | WAIT_(ex, timeout, res); \ |
| 65 | if (!res) ASSERT_TRUE(ex); \ |
| 66 | } while (0); |
| 67 | |
| 68 | #define ASSERT_EQ_WAIT(v1, v2, timeout) \ |
| 69 | do { \ |
| 70 | bool res; \ |
| 71 | WAIT_(v1 == v2, timeout, res); \ |
| 72 | if (!res) ASSERT_EQ(v1, v2); \ |
| 73 | } while (0); |
| 74 | |
| 75 | // Version with a "soft" timeout and a margin. This logs if the timeout is |
| 76 | // exceeded, but it only fails if the expression still isn't true after the |
| 77 | // margin time passes. |
| 78 | #define EXPECT_TRUE_WAIT_MARGIN(ex, timeout, margin) \ |
| 79 | do { \ |
| 80 | bool res; \ |
| 81 | WAIT_(ex, timeout, res); \ |
| 82 | if (res) { \ |
| 83 | break; \ |
| 84 | } \ |
| 85 | LOG(LS_WARNING) << "Expression " << #ex << " still not true after " << \ |
| 86 | timeout << "ms; waiting an additional " << margin << "ms"; \ |
| 87 | WAIT_(ex, margin, res); \ |
| 88 | if (!res) { \ |
| 89 | EXPECT_TRUE(ex); \ |
| 90 | } \ |
| 91 | } while (0); |
| 92 | |
| 93 | rtc::Pathname GetTalkDirectory(); |
| 94 | |
| 95 | #endif // WEBRTC_BASE_GUNIT_H_ |