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);
Run()59 void Run() { callback_(); }
60 static int test_count();
last()61 static CcTest* last() { return last_; }
prev()62 CcTest* prev() { return prev_; }
file()63 const char* file() { return file_; }
name()64 const char* name() { return name_; }
dependency()65 const char* dependency() { return dependency_; }
enabled()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();
ApiTestFuzzer(int num)90 explicit ApiTestFuzzer(int num)
91 : test_number_(num),
92 gate_(v8::internal::OS::CreateSemaphore(0)),
93 active_(true) {
94 }
~ApiTestFuzzer()95 ~ApiTestFuzzer() { delete gate_; }
96
97 // The ApiTestFuzzer is also a Thread, so it has a Run method.
98 virtual void Run();
99
100 enum PartOfTest { FIRST_PART, SECOND_PART };
101
102 static void Setup(PartOfTest part);
103 static void RunAllTests();
104 static void TearDown();
105 // This method switches threads if we are running the Threading test.
106 // Otherwise it does nothing.
107 static void Fuzz();
108 private:
109 static bool fuzzing_;
110 static int tests_being_run_;
111 static int current_;
112 static int active_tests_;
113 static bool NextThread();
114 int test_number_;
115 v8::internal::Semaphore* gate_;
116 bool active_;
117 void ContextSwitch();
118 static int GetNextTestNumber();
119 static v8::internal::Semaphore* all_tests_done_;
120 };
121
122
123 #define THREADED_TEST(Name) \
124 static void Test##Name(); \
125 RegisterThreadedTest register_##Name(Test##Name, #Name); \
126 /* */ TEST(Name)
127
128
129 class RegisterThreadedTest {
130 public:
RegisterThreadedTest(CcTest::TestFunction * callback,const char * name)131 explicit RegisterThreadedTest(CcTest::TestFunction* callback,
132 const char* name)
133 : fuzzer_(NULL), callback_(callback), name_(name) {
134 prev_ = first_;
135 first_ = this;
136 count_++;
137 }
count()138 static int count() { return count_; }
nth(int i)139 static RegisterThreadedTest* nth(int i) {
140 CHECK(i < count());
141 RegisterThreadedTest* current = first_;
142 while (i > 0) {
143 i--;
144 current = current->prev_;
145 }
146 return current;
147 }
callback()148 CcTest::TestFunction* callback() { return callback_; }
149 ApiTestFuzzer* fuzzer_;
name()150 const char* name() { return name_; }
151
152 private:
153 static RegisterThreadedTest* first_;
154 static int count_;
155 CcTest::TestFunction* callback_;
156 RegisterThreadedTest* prev_;
157 const char* name_;
158 };
159
160
161 // A LocalContext holds a reference to a v8::Context.
162 class LocalContext {
163 public:
164 LocalContext(v8::ExtensionConfiguration* extensions = 0,
165 v8::Handle<v8::ObjectTemplate> global_template =
166 v8::Handle<v8::ObjectTemplate>(),
167 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
context_(v8::Context::New (extensions,global_template,global_object))168 : context_(v8::Context::New(extensions, global_template, global_object)) {
169 context_->Enter();
170 }
171
~LocalContext()172 virtual ~LocalContext() {
173 context_->Exit();
174 context_.Dispose();
175 }
176
177 v8::Context* operator->() { return *context_; }
178 v8::Context* operator*() { return *context_; }
IsReady()179 bool IsReady() { return !context_.IsEmpty(); }
180
local()181 v8::Local<v8::Context> local() {
182 return v8::Local<v8::Context>::New(context_);
183 }
184
185 private:
186 v8::Persistent<v8::Context> context_;
187 };
188
189
v8_num(double x)190 static inline v8::Local<v8::Value> v8_num(double x) {
191 return v8::Number::New(x);
192 }
193
194
v8_str(const char * x)195 static inline v8::Local<v8::String> v8_str(const char* x) {
196 return v8::String::New(x);
197 }
198
199
v8_compile(const char * x)200 static inline v8::Local<v8::Script> v8_compile(const char* x) {
201 return v8::Script::Compile(v8_str(x));
202 }
203
204
205 // Helper function that compiles and runs the source.
CompileRun(const char * source)206 static inline v8::Local<v8::Value> CompileRun(const char* source) {
207 return v8::Script::Compile(v8::String::New(source))->Run();
208 }
209
210
211 #endif // ifndef CCTEST_H_
212