src/gin/modules/timer_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gin/modules/timer.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "gin/handle.h"
  10 #include "gin/object_template_builder.h"
  11 #include "gin/public/isolate_holder.h"
  12 #include "gin/shell_runner.h"
  13 #include "gin/test/v8_test.h"
  14 #include "gin/try_catch.h"
  15 #include "gin/wrappable.h"
  16 #include "v8/include/v8.h"
  17
  18 namespace gin {
  19
  20 namespace {
  21
  22 class Result : public Wrappable<Result> {
  23  public:
  24   static WrapperInfo kWrapperInfo;
  25   static Handle<Result> Create(v8::Isolate* isolate) {
  26     return CreateHandle(isolate, new Result());
  27   }
  28
  29   int count() const { return count_; }
  30   void set_count(int count) { count_ = count; }
  31
  32   void Quit() {
  33     base::MessageLoop::current()->QuitNow();
  34   }
  35
  36  private:
  37   Result() : count_(0) {
  38   }
  39
  40   ~Result() override {}
  41
  42   ObjectTemplateBuilder GetObjectTemplateBuilder(
  43       v8::Isolate* isolate) override {
  44     return Wrappable<Result>::GetObjectTemplateBuilder(isolate)
  45         .SetProperty("count", &Result::count, &Result::set_count)
  46         .SetMethod("quit", &Result::Quit);
  47   }
  48
  49   int count_;
  50 };
  51
  52 WrapperInfo Result::kWrapperInfo = { gin::kEmbedderNativeGin };
  53
  54 struct TestHelper {
  55   TestHelper(v8::Isolate* isolate)
  56       : runner(new ShellRunner(&delegate, isolate)),
  57         scope(runner.get()),
  58         timer_module(TimerModule::Create(isolate)),
  59         result(Result::Create(isolate)) {
  60     EXPECT_FALSE(runner->global().IsEmpty());
  61     runner->global()->Set(StringToV8(isolate, "timer"),
  62                           timer_module->GetWrapper(isolate));
  63     runner->global()->Set(StringToV8(isolate, "result"),
  64                           result->GetWrapper(isolate));
  65   }
  66
  67   void QuitSoon() {
  68     loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),
  69                          base::TimeDelta::FromMilliseconds(0));
  70   }
  71
  72   ShellRunnerDelegate delegate;
  73   scoped_ptr<ShellRunner> runner;
  74   Runner::Scope scope;
  75   Handle<TimerModule> timer_module;
  76   Handle<Result> result;
  77   base::MessageLoop loop;
  78 };
  79
  80 }  // namespace
  81
  82 typedef V8Test TimerUnittest;
  83
  84 TEST_F(TimerUnittest, OneShot) {
  85   TestHelper helper(instance_->isolate());
  86   std::string source =
  87      "timer.createOneShot(0, function() {"
  88      "  result.count++;"
  89      "});";
  90
  91   helper.runner->Run(source, "script");
  92   EXPECT_EQ(0, helper.result->count());
  93
  94   helper.QuitSoon();
  95   helper.loop.Run();
  96   EXPECT_EQ(1, helper.result->count());
  97 }
  98
  99 TEST_F(TimerUnittest, OneShotCancel) {
 100   TestHelper helper(instance_->isolate());
 101   std::string source =
 102      "var t = timer.createOneShot(0, function() {"
 103      "  result.count++;"
 104      "});"
 105      "t.cancel()";
 106
 107   helper.runner->Run(source, "script");
 108   EXPECT_EQ(0, helper.result->count());
 109
 110   helper.QuitSoon();
 111   helper.loop.Run();
 112   EXPECT_EQ(0, helper.result->count());
 113 }
 114
 115 TEST_F(TimerUnittest, Repeating) {
 116   TestHelper helper(instance_->isolate());
 117
 118   // TODO(aa): Cannot do: if (++result.count == 3) because of v8 bug. Create
 119   // test case and report.
 120   std::string source =
 121      "timer.createRepeating(0, function() {"
 122      "  result.count++;"
 123      "  if (result.count == 3) {"
 124      "    result.quit();"
 125      "  }"
 126      "});";
 127
 128   helper.runner->Run(source, "script");
 129   EXPECT_EQ(0, helper.result->count());
 130
 131   helper.loop.Run();
 132   EXPECT_EQ(3, helper.result->count());
 133 }
 134
 135 TEST_F(TimerUnittest, TimerCallbackToDestroyedRunner) {
 136   TestHelper helper(instance_->isolate());
 137   std::string source =
 138      "timer.createOneShot(0, function() {"
 139      "  result.count++;"
 140      "});";
 141
 142   helper.runner->Run(source, "script");
 143   EXPECT_EQ(0, helper.result->count());
 144
 145   // Destroy runner, which should destroy the timer object we created.
 146   helper.QuitSoon();
 147   helper.runner.reset(NULL);
 148   helper.loop.Run();
 149
 150   // Timer should not have run because it was deleted.
 151   EXPECT_EQ(0, helper.result->count());
 152 }
 153
 154 }  // namespace gin