1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef TEST_LIBPLATFORM_H_ 29#define TEST_LIBPLATFORM_H_ 30 31#include "src/v8.h" 32 33#include "test/cctest/cctest.h" 34 35using namespace v8::internal; 36 37class TaskCounter { 38 public: 39 TaskCounter() : counter_(0) {} 40 ~TaskCounter() { CHECK_EQ(0, counter_); } 41 42 int GetCount() const { 43 LockGuard<Mutex> guard(&lock_); 44 return counter_; 45 } 46 47 void Inc() { 48 LockGuard<Mutex> guard(&lock_); 49 ++counter_; 50 } 51 52 void Dec() { 53 LockGuard<Mutex> guard(&lock_); 54 --counter_; 55 } 56 57 private: 58 mutable Mutex lock_; 59 int counter_; 60 61 DISALLOW_COPY_AND_ASSIGN(TaskCounter); 62}; 63 64 65class TestTask : public v8::Task { 66 public: 67 TestTask(TaskCounter* task_counter, bool expected_to_run) 68 : task_counter_(task_counter), 69 expected_to_run_(expected_to_run), 70 executed_(false) { 71 task_counter_->Inc(); 72 } 73 74 explicit TestTask(TaskCounter* task_counter) 75 : task_counter_(task_counter), expected_to_run_(false), executed_(false) { 76 task_counter_->Inc(); 77 } 78 79 virtual ~TestTask() { 80 CHECK_EQ(expected_to_run_, executed_); 81 task_counter_->Dec(); 82 } 83 84 // v8::Task implementation. 85 virtual void Run() V8_OVERRIDE { executed_ = true; } 86 87 private: 88 TaskCounter* task_counter_; 89 bool expected_to_run_; 90 bool executed_; 91 92 DISALLOW_COPY_AND_ASSIGN(TestTask); 93}; 94 95 96class TestWorkerThread : public Thread { 97 public: 98 explicit TestWorkerThread(v8::Task* task) 99 : Thread("libplatform TestWorkerThread"), semaphore_(0), task_(task) {} 100 virtual ~TestWorkerThread() {} 101 102 void Signal() { semaphore_.Signal(); } 103 104 // Thread implementation. 105 virtual void Run() V8_OVERRIDE { 106 semaphore_.Wait(); 107 if (task_) { 108 task_->Run(); 109 delete task_; 110 } 111 } 112 113 private: 114 Semaphore semaphore_; 115 v8::Task* task_; 116 117 DISALLOW_COPY_AND_ASSIGN(TestWorkerThread); 118}; 119 120#endif // TEST_LIBPLATFORM_H_ 121