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 : Thread("ApiTestFuzzer"),
92 test_number_(num),
93 gate_(v8::internal::OS::CreateSemaphore(0)),
94 active_(true) {
95 }
~ApiTestFuzzer()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,
102 SECOND_PART,
103 THIRD_PART,
104 FOURTH_PART,
105 LAST_PART = FOURTH_PART };
106
107 static void SetUp(PartOfTest part);
108 static void RunAllTests();
109 static void TearDown();
110 // This method switches threads if we are running the Threading test.
111 // Otherwise it does nothing.
112 static void Fuzz();
113
114 private:
115 static bool fuzzing_;
116 static int tests_being_run_;
117 static int current_;
118 static int active_tests_;
119 static bool NextThread();
120 int test_number_;
121 v8::internal::Semaphore* gate_;
122 bool active_;
123 void ContextSwitch();
124 static int GetNextTestNumber();
125 static v8::internal::Semaphore* all_tests_done_;
126 };
127
128
129 #define THREADED_TEST(Name) \
130 static void Test##Name(); \
131 RegisterThreadedTest register_##Name(Test##Name, #Name); \
132 /* */ TEST(Name)
133
134
135 class RegisterThreadedTest {
136 public:
RegisterThreadedTest(CcTest::TestFunction * callback,const char * name)137 explicit RegisterThreadedTest(CcTest::TestFunction* callback,
138 const char* name)
139 : fuzzer_(NULL), callback_(callback), name_(name) {
140 prev_ = first_;
141 first_ = this;
142 count_++;
143 }
count()144 static int count() { return count_; }
nth(int i)145 static RegisterThreadedTest* nth(int i) {
146 CHECK(i < count());
147 RegisterThreadedTest* current = first_;
148 while (i > 0) {
149 i--;
150 current = current->prev_;
151 }
152 return current;
153 }
callback()154 CcTest::TestFunction* callback() { return callback_; }
155 ApiTestFuzzer* fuzzer_;
name()156 const char* name() { return name_; }
157
158 private:
159 static RegisterThreadedTest* first_;
160 static int count_;
161 CcTest::TestFunction* callback_;
162 RegisterThreadedTest* prev_;
163 const char* name_;
164 };
165
166
167 // A LocalContext holds a reference to a v8::Context.
168 class LocalContext {
169 public:
170 LocalContext(v8::ExtensionConfiguration* extensions = 0,
171 v8::Handle<v8::ObjectTemplate> global_template =
172 v8::Handle<v8::ObjectTemplate>(),
173 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
context_(v8::Context::New (extensions,global_template,global_object))174 : context_(v8::Context::New(extensions, global_template, global_object)) {
175 context_->Enter();
176 }
177
~LocalContext()178 virtual ~LocalContext() {
179 context_->Exit();
180 context_.Dispose();
181 }
182
183 v8::Context* operator->() { return *context_; }
184 v8::Context* operator*() { return *context_; }
IsReady()185 bool IsReady() { return !context_.IsEmpty(); }
186
local()187 v8::Local<v8::Context> local() {
188 return v8::Local<v8::Context>::New(context_);
189 }
190
191 private:
192 v8::Persistent<v8::Context> context_;
193 };
194
195
v8_num(double x)196 static inline v8::Local<v8::Value> v8_num(double x) {
197 return v8::Number::New(x);
198 }
199
200
v8_str(const char * x)201 static inline v8::Local<v8::String> v8_str(const char* x) {
202 return v8::String::New(x);
203 }
204
205
v8_compile(const char * x)206 static inline v8::Local<v8::Script> v8_compile(const char* x) {
207 return v8::Script::Compile(v8_str(x));
208 }
209
210
211 // Helper function that compiles and runs the source.
CompileRun(const char * source)212 static inline v8::Local<v8::Value> CompileRun(const char* source) {
213 return v8::Script::Compile(v8::String::New(source))->Run();
214 }
215
216
217 #endif // ifndef CCTEST_H_
218