1 // Copyright 2008 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 CCTEST_H_ 29 #define CCTEST_H_ 30 31 #include "v8.h" 32 33 #ifndef TEST 34 #define TEST(Name) \ 35 static void Test##Name(); \ 36 CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true); \ 37 static void Test##Name() 38 #endif 39 40 #ifndef DEPENDENT_TEST 41 #define DEPENDENT_TEST(Name, Dep) \ 42 static void Test##Name(); \ 43 CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true); \ 44 static void Test##Name() 45 #endif 46 47 #ifndef DISABLED_TEST 48 #define DISABLED_TEST(Name) \ 49 static void Test##Name(); \ 50 CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, false); \ 51 static void Test##Name() 52 #endif 53 54 class CcTest { 55 public: 56 typedef void (TestFunction)(); 57 CcTest(TestFunction* callback, const char* file, const char* name, 58 const char* dependency, bool enabled); 59 void Run() { callback_(); } 60 static int test_count(); 61 static CcTest* last() { return last_; } 62 CcTest* prev() { return prev_; } 63 const char* file() { return file_; } 64 const char* name() { return name_; } 65 const char* dependency() { return dependency_; } 66 bool enabled() { return enabled_; } 67 private: 68 TestFunction* callback_; 69 const char* file_; 70 const char* name_; 71 const char* dependency_; 72 bool enabled_; 73 static CcTest* last_; 74 CcTest* prev_; 75 }; 76 77 // Switches between all the Api tests using the threading support. 78 // In order to get a surprising but repeatable pattern of thread 79 // switching it has extra semaphores to control the order in which 80 // the tests alternate, not relying solely on the big V8 lock. 81 // 82 // A test is augmented with calls to ApiTestFuzzer::Fuzz() in its 83 // callbacks. This will have no effect when we are not running the 84 // thread fuzzing test. In the thread fuzzing test it will 85 // pseudorandomly select a successor thread and switch execution 86 // to that thread, suspending the current test. 87 class ApiTestFuzzer: public v8::internal::Thread { 88 public: 89 void CallTest(); 90 explicit ApiTestFuzzer(v8::internal::Isolate* isolate, int num) 91 : Thread(isolate, "ApiTestFuzzer"), 92 test_number_(num), 93 gate_(v8::internal::OS::CreateSemaphore(0)), 94 active_(true) { 95 } 96 ~ApiTestFuzzer() { delete gate_; } 97 98 // The ApiTestFuzzer is also a Thread, so it has a Run method. 99 virtual void Run(); 100 101 enum PartOfTest { FIRST_PART, SECOND_PART }; 102 103 static void Setup(PartOfTest part); 104 static void RunAllTests(); 105 static void TearDown(); 106 // This method switches threads if we are running the Threading test. 107 // Otherwise it does nothing. 108 static void Fuzz(); 109 private: 110 static bool fuzzing_; 111 static int tests_being_run_; 112 static int current_; 113 static int active_tests_; 114 static bool NextThread(); 115 int test_number_; 116 v8::internal::Semaphore* gate_; 117 bool active_; 118 void ContextSwitch(); 119 static int GetNextTestNumber(); 120 static v8::internal::Semaphore* all_tests_done_; 121 }; 122 123 124 #define THREADED_TEST(Name) \ 125 static void Test##Name(); \ 126 RegisterThreadedTest register_##Name(Test##Name, #Name); \ 127 /* */ TEST(Name) 128 129 130 class RegisterThreadedTest { 131 public: 132 explicit RegisterThreadedTest(CcTest::TestFunction* callback, 133 const char* name) 134 : fuzzer_(NULL), callback_(callback), name_(name) { 135 prev_ = first_; 136 first_ = this; 137 count_++; 138 } 139 static int count() { return count_; } 140 static RegisterThreadedTest* nth(int i) { 141 CHECK(i < count()); 142 RegisterThreadedTest* current = first_; 143 while (i > 0) { 144 i--; 145 current = current->prev_; 146 } 147 return current; 148 } 149 CcTest::TestFunction* callback() { return callback_; } 150 ApiTestFuzzer* fuzzer_; 151 const char* name() { return name_; } 152 153 private: 154 static RegisterThreadedTest* first_; 155 static int count_; 156 CcTest::TestFunction* callback_; 157 RegisterThreadedTest* prev_; 158 const char* name_; 159 }; 160 161 162 // A LocalContext holds a reference to a v8::Context. 163 class LocalContext { 164 public: 165 LocalContext(v8::ExtensionConfiguration* extensions = 0, 166 v8::Handle<v8::ObjectTemplate> global_template = 167 v8::Handle<v8::ObjectTemplate>(), 168 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) 169 : context_(v8::Context::New(extensions, global_template, global_object)) { 170 context_->Enter(); 171 } 172 173 virtual ~LocalContext() { 174 context_->Exit(); 175 context_.Dispose(); 176 } 177 178 v8::Context* operator->() { return *context_; } 179 v8::Context* operator*() { return *context_; } 180 bool IsReady() { return !context_.IsEmpty(); } 181 182 v8::Local<v8::Context> local() { 183 return v8::Local<v8::Context>::New(context_); 184 } 185 186 private: 187 v8::Persistent<v8::Context> context_; 188 }; 189 190 191 static inline v8::Local<v8::Value> v8_num(double x) { 192 return v8::Number::New(x); 193 } 194 195 196 static inline v8::Local<v8::String> v8_str(const char* x) { 197 return v8::String::New(x); 198 } 199 200 201 static inline v8::Local<v8::Script> v8_compile(const char* x) { 202 return v8::Script::Compile(v8_str(x)); 203 } 204 205 206 // Helper function that compiles and runs the source. 207 static inline v8::Local<v8::Value> CompileRun(const char* source) { 208 return v8::Script::Compile(v8::String::New(source))->Run(); 209 } 210 211 212 #endif // ifndef CCTEST_H_ 213
