cctest.h 6.84 KB
Newer Older
1
// Copyright 2008 the V8 project authors. All rights reserved.
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef CCTEST_H_
#define CCTEST_H_

31 32
#include "v8.h"

33
#ifndef TEST
34 35 36 37 38 39 40 41 42 43
#define TEST(Name)                                                       \
  static void Test##Name();                                              \
  CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true);  \
  static void Test##Name()
#endif

#ifndef DEPENDENT_TEST
#define DEPENDENT_TEST(Name, Dep)                                        \
  static void Test##Name();                                              \
  CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true);  \
44 45 46 47
  static void Test##Name()
#endif

#ifndef DISABLED_TEST
48 49 50
#define DISABLED_TEST(Name)                                              \
  static void Test##Name();                                              \
  CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, false); \
51 52 53 54 55 56
  static void Test##Name()
#endif

class CcTest {
 public:
  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 63 64
  CcTest* prev() { return prev_; }
  const char* file() { return file_; }
  const char* name() { return name_; }
65
  const char* dependency() { return dependency_; }
66
  bool enabled() { return enabled_; }
67 68 69 70
 private:
  TestFunction* callback_;
  const char* file_;
  const char* name_;
71
  const char* dependency_;
72
  bool enabled_;
73
  static CcTest* last_;
74 75 76
  CcTest* prev_;
};

77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
// Switches between all the Api tests using the threading support.
// In order to get a surprising but repeatable pattern of thread
// switching it has extra semaphores to control the order in which
// the tests alternate, not relying solely on the big V8 lock.
//
// A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
// callbacks.  This will have no effect when we are not running the
// thread fuzzing test.  In the thread fuzzing test it will
// pseudorandomly select a successor thread and switch execution
// to that thread, suspending the current test.
class ApiTestFuzzer: public v8::internal::Thread {
 public:
  void CallTest();
  explicit ApiTestFuzzer(int num)
      : test_number_(num),
        gate_(v8::internal::OS::CreateSemaphore(0)),
        active_(true) {
  }
  ~ApiTestFuzzer() { delete gate_; }

  // The ApiTestFuzzer is also a Thread, so it has a Run method.
  virtual void Run();

  enum PartOfTest { FIRST_PART, SECOND_PART };

  static void Setup(PartOfTest part);
  static void RunAllTests();
  static void TearDown();
  // This method switches threads if we are running the Threading test.
  // Otherwise it does nothing.
  static void Fuzz();
 private:
  static bool fuzzing_;
  static int tests_being_run_;
  static int current_;
  static int active_tests_;
  static bool NextThread();
  int test_number_;
  v8::internal::Semaphore* gate_;
  bool active_;
  void ContextSwitch();
  static int GetNextTestNumber();
  static v8::internal::Semaphore* all_tests_done_;
};


#define THREADED_TEST(Name)                                          \
  static void Test##Name();                                          \
  RegisterThreadedTest register_##Name(Test##Name, #Name);           \
  /* */ TEST(Name)


class RegisterThreadedTest {
 public:
  explicit RegisterThreadedTest(CcTest::TestFunction* callback,
                                const char* name)
      : fuzzer_(NULL), callback_(callback), name_(name) {
    prev_ = first_;
    first_ = this;
    count_++;
  }
  static int count() { return count_; }
  static RegisterThreadedTest* nth(int i) {
    CHECK(i < count());
    RegisterThreadedTest* current = first_;
    while (i > 0) {
      i--;
      current = current->prev_;
    }
    return current;
  }
  CcTest::TestFunction* callback() { return callback_; }
  ApiTestFuzzer* fuzzer_;
  const char* name() { return name_; }

 private:
  static RegisterThreadedTest* first_;
  static int count_;
  CcTest::TestFunction* callback_;
  RegisterThreadedTest* prev_;
  const char* name_;
};


// A LocalContext holds a reference to a v8::Context.
class LocalContext {
 public:
  LocalContext(v8::ExtensionConfiguration* extensions = 0,
               v8::Handle<v8::ObjectTemplate> global_template =
                   v8::Handle<v8::ObjectTemplate>(),
               v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
    : context_(v8::Context::New(extensions, global_template, global_object)) {
    context_->Enter();
  }

  virtual ~LocalContext() {
    context_->Exit();
    context_.Dispose();
  }

  v8::Context* operator->() { return *context_; }
  v8::Context* operator*() { return *context_; }
  bool IsReady() { return !context_.IsEmpty(); }

  v8::Local<v8::Context> local() {
    return v8::Local<v8::Context>::New(context_);
  }

 private:
  v8::Persistent<v8::Context> context_;
};


static inline v8::Local<v8::Value> v8_num(double x) {
  return v8::Number::New(x);
}


static inline v8::Local<v8::String> v8_str(const char* x) {
  return v8::String::New(x);
}


static inline v8::Local<v8::Script> v8_compile(const char* x) {
  return v8::Script::Compile(v8_str(x));
}


// Helper function that compiles and runs the source.
static inline v8::Local<v8::Value> CompileRun(const char* source) {
  return v8::Script::Compile(v8::String::New(source))->Run();
}


211
#endif  // ifndef CCTEST_H_