test-debug.cc.svn-base

Google浏览器V8内核代码

  // Now set a function break point
  int bp7 = SetBreakPointFromJS("g", 0, 0);
  g->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  // Reload the script and get g again checking that the break point survives.
  // This tests that the function break point was converted to a script break
  // point.
  v8::Script::Compile(script, &origin)->Run();
  g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
  g->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);

  // Make sure that the break point numbers are consecutive.
  CHECK_EQ(1, sbp1);
  CHECK_EQ(2, sbp2);
  CHECK_EQ(3, sbp3);
  CHECK_EQ(4, sbp4);
  CHECK_EQ(5, sbp5);
  CHECK_EQ(6, sbp6);
  CHECK_EQ(7, bp7);
}


// Test conditional script break points.
TEST(EnableDisableScriptBreakPoint) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::String> script = v8::String::New(
    "function f() {\n"
    "  a = 0;  // line 1\n"
    "};");

  // Compile the script and get function f.
  v8::ScriptOrigin origin =
      v8::ScriptOrigin(v8::String::New("test"));
  v8::Script::Compile(script, &origin)->Run();
  v8::Local<v8::Function> f =
      v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Set script break point on line 1 (in function f).
  int sbp = SetScriptBreakPointFromJS("test", 1, 0);

  // Call f while enabeling and disabling the script break point.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  DisableScriptBreakPointFromJS(sbp);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  EnableScriptBreakPointFromJS(sbp);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  DisableScriptBreakPointFromJS(sbp);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  // Reload the script and get f again checking that the disabeling survives.
  v8::Script::Compile(script, &origin)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  EnableScriptBreakPointFromJS(sbp);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(3, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test conditional script break points.
TEST(ConditionalScriptBreakPoint) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::String> script = v8::String::New(
    "count = 0;\n"
    "function f() {\n"
    "  g(count++);  // line 2\n"
    "};\n"
    "function g(x) {\n"
    "  var a=x;  // line 5\n"
    "};");

  // Compile the script and get function f.
  v8::ScriptOrigin origin =
      v8::ScriptOrigin(v8::String::New("test"));
  v8::Script::Compile(script, &origin)->Run();
  v8::Local<v8::Function> f =
      v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Set script break point on line 5 (in function g).
  int sbp1 = SetScriptBreakPointFromJS("test", 5, 0);

  // Call f with different conditions on the script break point.
  break_point_hit_count = 0;
  ChangeScriptBreakPointConditionFromJS(sbp1, "false");
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);

  ChangeScriptBreakPointConditionFromJS(sbp1, "true");
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  ChangeScriptBreakPointConditionFromJS(sbp1, "a % 2 == 0");
  break_point_hit_count = 0;
  for (int i = 0; i < 10; i++) {
    f->Call(env->Global(), 0, NULL);
  }
  CHECK_EQ(5, break_point_hit_count);

  // Reload the script and get f again checking that the condition survives.
  v8::Script::Compile(script, &origin)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  break_point_hit_count = 0;
  for (int i = 0; i < 10; i++) {
    f->Call(env->Global(), 0, NULL);
  }
  CHECK_EQ(5, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test ignore count on script break points.
TEST(ScriptBreakPointIgnoreCount) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::String> script = v8::String::New(
    "function f() {\n"
    "  a = 0;  // line 1\n"
    "};");

  // Compile the script and get function f.
  v8::ScriptOrigin origin =
      v8::ScriptOrigin(v8::String::New("test"));
  v8::Script::Compile(script, &origin)->Run();
  v8::Local<v8::Function> f =
      v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Set script break point on line 1 (in function f).
  int sbp = SetScriptBreakPointFromJS("test", 1, 0);

  // Call f with different ignores on the script break point.
  break_point_hit_count = 0;
  ChangeScriptBreakPointIgnoreCountFromJS(sbp, 1);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  ChangeScriptBreakPointIgnoreCountFromJS(sbp, 5);
  break_point_hit_count = 0;
  for (int i = 0; i < 10; i++) {
    f->Call(env->Global(), 0, NULL);
  }
  CHECK_EQ(5, break_point_hit_count);

  // Reload the script and get f again checking that the ignore survives.
  v8::Script::Compile(script, &origin)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  break_point_hit_count = 0;
  for (int i = 0; i < 10; i++) {
    f->Call(env->Global(), 0, NULL);
  }
  CHECK_EQ(5, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test that script break points survive when a script is reloaded.
TEST(ScriptBreakPointReload) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::Function> f;
  v8::Local<v8::String> script = v8::String::New(
    "function f() {\n"
    "  function h() {\n"
    "    a = 0;  // line 2\n"
    "  }\n"
    "  b = 1;  // line 4\n"
    "  return h();\n"
    "}");

  v8::ScriptOrigin origin_1 = v8::ScriptOrigin(v8::String::New("1"));
  v8::ScriptOrigin origin_2 = v8::ScriptOrigin(v8::String::New("2"));

  // Set a script break point before the script is loaded.
  SetScriptBreakPointFromJS("1", 2, 0);

  // Compile the script and get the function.
  v8::Script::Compile(script, &origin_1)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Call f and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  // Compile the script again with a different script data and get the
  // function.
  v8::Script::Compile(script, &origin_2)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Call f and check that no break points are set.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);

  // Compile the script again and get the function.
  v8::Script::Compile(script, &origin_1)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Call f and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test when several scripts has the same script data
TEST(ScriptBreakPointMultiple) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::Function> f;
  v8::Local<v8::String> script_f = v8::String::New(
    "function f() {\n"
    "  a = 0;  // line 1\n"
    "}");

  v8::Local<v8::Function> g;
  v8::Local<v8::String> script_g = v8::String::New(
    "function g() {\n"
    "  b = 0;  // line 1\n"
    "}");

  v8::ScriptOrigin origin =
      v8::ScriptOrigin(v8::String::New("test"));

  // Set a script break point before the scripts are loaded.
  int sbp = SetScriptBreakPointFromJS("test", 1, 0);

  // Compile the scripts with same script data and get the functions.
  v8::Script::Compile(script_f, &origin)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
  v8::Script::Compile(script_g, &origin)->Run();
  g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));

  // Call f and g and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);
  g->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  // Clear the script break point.
  ClearBreakPointFromJS(sbp);

  // Call f and g and check that the script break point is no longer active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);
  g->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);

  // Set script break point with the scripts loaded.
  sbp = SetScriptBreakPointFromJS("test", 1, 0);

  // Call f and g and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);
  g->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test the script origin which has both name and line offset.
TEST(ScriptBreakPointLineOffset) {
  break_point_hit_count = 0;
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();

  v8::Debug::AddDebugEventListener(DebugEventBreakPointHitCount,
                                   v8::Undefined());

  v8::Local<v8::Function> f;
  v8::Local<v8::String> script = v8::String::New(
    "function f() {\n"
    "  a = 0;  // line 8 as this script has line offset 7\n"
    "  b = 0;  // line 9 as this script has line offset 7\n"
    "}");

  // Create script origin both name and line offset.
  v8::ScriptOrigin origin(v8::String::New("test.html"),
                          v8::Integer::New(7));

  // Set two script break points before the script is loaded.
  int sbp1 = SetScriptBreakPointFromJS("test.html", 8, 0);
  int sbp2 = SetScriptBreakPointFromJS("test.html", 9, 0);

  // Compile the script and get the function.
  v8::Script::Compile(script, &origin)->Run();
  f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));

  // Call f and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(2, break_point_hit_count);

  // Clear the script break points.
  ClearBreakPointFromJS(sbp1);
  ClearBreakPointFromJS(sbp2);

  // Call f and check that no script break points are active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(0, break_point_hit_count);

  // Set a script break point with the script loaded.
  sbp1 = SetScriptBreakPointFromJS("test.html", 9, 0);

  // Call f and check that the script break point is active.
  break_point_hit_count = 0;
  f->Call(env->Global(), 0, NULL);
  CHECK_EQ(1, break_point_hit_count);

  v8::Debug::RemoveDebugEventListener(DebugEventBreakPointHitCount);
}


// Test script break points set on lines.
TEST(ScriptBreakPointLine) {
  v8::HandleScope scope;
  DebugLocalContext env;
  env.ExposeDebug();