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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/test/base/module_system_test.h"
#include "grit/renderer_resources.h"
namespace {
class EventUnittest : public ModuleSystemTest {
virtual void SetUp() OVERRIDE {
ModuleSystemTest::SetUp();
module_system_->RunString("chrome = {};", "setup-chrome");
RegisterModule("event", IDR_EVENT_BINDINGS_JS);
RegisterModule("schemaUtils", IDR_SCHEMA_UTILS_JS);
RegisterModule("utils", IDR_UTILS_JS);
// Mock out the native handler for event_bindings. These mocks will fail if
// any invariants maintained by the real event_bindings are broken.
OverrideNativeHandler("event_bindings",
"var assert = requireNative('assert');"
"var attachedListeners = exports.attachedListeners = {};"
"exports.AttachEvent = function(eventName) {"
" assert.AssertFalse(!!attachedListeners[eventName]);"
" attachedListeners[eventName] = 1;"
"};"
"exports.DetachEvent = function(eventName) {"
" assert.AssertTrue(!!attachedListeners[eventName]);"
" delete attachedListeners[eventName];"
"};");
OverrideNativeHandler("chrome_hidden",
"var chromeHidden = {};"
"exports.GetChromeHidden = function() { return chromeHidden; };");
OverrideNativeHandler("sendRequest",
"exports.sendRequest = function() {};");
OverrideNativeHandler("apiDefinitions",
"exports.GetExtensionAPIDefinition = function() {};");
}
};
TEST_F(EventUnittest, TestNothing) {
ExpectNoAssertionsMade();
}
TEST_F(EventUnittest, AddRemoveTwoListeners) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
RegisterModule("test",
"var assert = requireNative('assert');"
"var event = require('event');"
"var eventBindings = requireNative('event_bindings');"
"var myEvent = new event.Event('named-event');"
"var cb1 = function() {};"
"var cb2 = function() {};"
"myEvent.addListener(cb1);"
"myEvent.addListener(cb2);"
"myEvent.removeListener(cb1);"
"assert.AssertTrue(!!eventBindings.attachedListeners['named-event']);"
"myEvent.removeListener(cb2);"
"assert.AssertFalse(!!eventBindings.attachedListeners['named-event']);");
module_system_->Require("test");
}
TEST_F(EventUnittest, EventsThatSupportRulesMustHaveAName) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
RegisterModule("test",
"var event = require('event');"
"var eventOpts = {supportsRules: true};"
"var assert = requireNative('assert');"
"var caught = false;"
"try {"
" var myEvent = new event.Event(undefined, undefined, eventOpts);"
"} catch (e) {"
" caught = true;"
"}"
"assert.AssertTrue(caught);");
module_system_->Require("test");
}
TEST_F(EventUnittest, NamedEventDispatch) {
ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
RegisterModule("test",
"var event = require('event');"
"var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();"
"var assert = requireNative('assert');"
"var e = new event.Event('myevent');"
"var called = false;"
"e.addListener(function() { called = true; });"
"chromeHidden.Event.dispatch('myevent', []);"
"assert.AssertTrue(called);");
module_system_->Require("test");
}
} // namespace
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