Revert 143896 - Filtered events.

chrome/renderer/extensions/event_unittest.cc

 // 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 = {};"
-        "var attachedFilteredListeners = "
-        "    exports.attachedFilteredListeners = {};"
-        "var nextId = 0;"
-        "var idToName = {};"
-
         "exports.AttachEvent = function(eventName) {"
         "  assert.AssertFalse(!!attachedListeners[eventName]);"
         "  attachedListeners[eventName] = 1;"
         "};"
-
         "exports.DetachEvent = function(eventName) {"
         "  assert.AssertTrue(!!attachedListeners[eventName]);"
         "  delete attachedListeners[eventName];"
-        "};"
-
-        "exports.IsEventAttached = function(eventName) {"
-        "  return !!attachedListeners[eventName];"
-        "};"
-
-        "exports.AttachFilteredEvent = function(name, filters) {"
-        "  var id = nextId++;"
-        "  idToName[id] = name;"
-        "  attachedFilteredListeners[name] ="
-        "    attachedFilteredListeners[name] || [];"
-        "  attachedFilteredListeners[name][id] = filters;"
-        "  return id;"
-        "};"
-
-        "exports.DetachFilteredEvent = function(id, manual) {"
-        "  var i = attachedFilteredListeners[idToName[id]].indexOf(id);"
-        "  attachedFilteredListeners[idToName[id]].splice(i, 1);"
-        "};"
-
-        "exports.HasFilteredListener = function(name) {"
-        "  return attachedFilteredListeners[name].length;"
         "};");
     OverrideNativeHandler("chrome_hidden",
         "var chromeHidden = {};"
         "exports.GetChromeHidden = function() { return chromeHidden; };");
     OverrideNativeHandler("sendRequest",
         "exports.sendRequest = function() {};");
     OverrideNativeHandler("apiDefinitions",
         "exports.GetExtensionAPIDefinition = function() {};");
   }
 };
@@ skipping 13 matching lines @@
       "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, OnUnloadDetachesAllListeners) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "var event = require('event');"
-      "var eventBindings = requireNative('event_bindings');"
-      "var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();"
-      "var myEvent = new event.Event('named-event');"
-      "var cb1 = function() {};"
-      "var cb2 = function() {};"
-      "myEvent.addListener(cb1);"
-      "myEvent.addListener(cb2);"
-      "chromeHidden.dispatchOnUnload();"
-      "assert.AssertFalse(!!eventBindings.attachedListeners['named-event']);");
-  module_system_->Require("test");
-}
-
-TEST_F(EventUnittest, OnUnloadDetachesAllListenersEvenDupes) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var assert = requireNative('assert');"
-      "var event = require('event');"
-      "var eventBindings = requireNative('event_bindings');"
-      "var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();"
-      "var myEvent = new event.Event('named-event');"
-      "var cb1 = function() {};"
-      "myEvent.addListener(cb1);"
-      "myEvent.addListener(cb1);"
-      "chromeHidden.dispatchOnUnload();"
-      "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) {"
@@ skipping 10 matching lines @@
       "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");
 }
 
-TEST_F(EventUnittest, AddListenerWithFiltersThrowsErrorByDefault) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var event = require('event');"
-      "var assert = requireNative('assert');"
-      "var e = new event.Event('myevent');"
-      "var filter = [{"
-      "  url: {hostSuffix: 'google.com'},"
-      "}];"
-      "var caught = false;"
-      "try {"
-      "  e.addListener(function() {}, filter);"
-      "} catch (e) {"
-      "  caught = true;"
-      "}"
-      "assert.AssertTrue(caught);");
-  module_system_->Require("test");
-}
-
-TEST_F(EventUnittest, FilteredEventsAttachment) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var event = require('event');"
-      "var assert = requireNative('assert');"
-      "var bindings = requireNative('event_bindings');"
-      "var eventOpts = {supportsListeners: true, supportsFilters: true};"
-      "var e = new event.Event('myevent', undefined, eventOpts);"
-      "var cb = function() {};"
-      "var filters = {url: [{hostSuffix: 'google.com'}]};"
-      "e.addListener(cb, filters);"
-      "assert.AssertTrue(bindings.HasFilteredListener('myevent'));"
-      "e.removeListener(cb);"
-      "assert.AssertFalse(bindings.HasFilteredListener('myevent'));");
-  module_system_->Require("test");
-}
-
-TEST_F(EventUnittest, DetachFilteredEvent) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var event = require('event');"
-      "var assert = requireNative('assert');"
-      "var bindings = requireNative('event_bindings');"
-      "var eventOpts = {supportsListeners: true, supportsFilters: true};"
-      "var e = new event.Event('myevent', undefined, eventOpts);"
-      "var cb1 = function() {};"
-      "var cb2 = function() {};"
-      "var filters = {url: [{hostSuffix: 'google.com'}]};"
-      "e.addListener(cb1, filters);"
-      "e.addListener(cb2, filters);"
-      "e.detach_();"
-      "assert.AssertFalse(bindings.HasFilteredListener('myevent'));");
-  module_system_->Require("test");
-}
-
-TEST_F(EventUnittest, AttachAndRemoveSameFilteredEventListener) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var event = require('event');"
-      "var assert = requireNative('assert');"
-      "var bindings = requireNative('event_bindings');"
-      "var eventOpts = {supportsListeners: true, supportsFilters: true};"
-      "var e = new event.Event('myevent', undefined, eventOpts);"
-      "var cb = function() {};"
-      "var filters = {url: [{hostSuffix: 'google.com'}]};"
-      "e.addListener(cb, filters);"
-      "e.addListener(cb, filters);"
-      "assert.AssertTrue(bindings.HasFilteredListener('myevent'));"
-      "e.removeListener(cb);"
-      "assert.AssertTrue(bindings.HasFilteredListener('myevent'));"
-      "e.removeListener(cb);"
-      "assert.AssertFalse(bindings.HasFilteredListener('myevent'));");
-  module_system_->Require("test");
-}
-
-TEST_F(EventUnittest, AddingFilterWithUrlFieldNotAListThrowsException) {
-  ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
-  RegisterModule("test",
-      "var event = require('event');"
-      "var assert = requireNative('assert');"
-      "var eventOpts = {supportsListeners: true, supportsFilters: true};"
-      "var e = new event.Event('myevent', undefined, eventOpts);"
-      "var cb = function() {};"
-      "var filters = {url: {hostSuffix: 'google.com'}};"
-      "var caught = false;"
-      "try {"
-      "  e.addListener(cb, filters);"
-      "} catch (e) {"
-      "  caught = true;"
-      "}"
-      "assert.AssertTrue(caught);");
-  module_system_->Require("test");
-}
-
 }  // namespace