|  | // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | import 'dart:html'; | 
|  | import 'dart:typed_data' show Int32List; | 
|  | import 'dart:indexed_db' show IdbFactory, KeyRange; | 
|  | import 'dart:js'; | 
|  | import 'package:js/js_util.dart' as js_util; | 
|  |  | 
|  | import 'package:expect/minitest.dart'; | 
|  |  | 
|  | _injectJs() { | 
|  | final script = new ScriptElement(); | 
|  | script.type = 'text/javascript'; | 
|  | script.innerHtml = r""" | 
|  | var x = 42; | 
|  |  | 
|  | var _x = 123; | 
|  |  | 
|  | var myArray = ["value1"]; | 
|  |  | 
|  | var foreignDoc = (function(){ | 
|  | var doc = document.implementation.createDocument("", "root", null); | 
|  | var element = doc.createElement('element'); | 
|  | element.setAttribute('id', 'abc'); | 
|  | doc.documentElement.appendChild(element); | 
|  | return doc; | 
|  | })(); | 
|  |  | 
|  | function razzle() { | 
|  | return x; | 
|  | } | 
|  |  | 
|  | function returnThis() { | 
|  | return this; | 
|  | } | 
|  |  | 
|  | function getTypeOf(o) { | 
|  | return typeof(o); | 
|  | } | 
|  |  | 
|  | function varArgs() { | 
|  | var args = arguments; | 
|  | var sum = 0; | 
|  | for (var i = 0; i < args.length; ++i) { | 
|  | sum += args[i]; | 
|  | } | 
|  | return sum; | 
|  | } | 
|  |  | 
|  | function Foo(a) { | 
|  | this.a = a; | 
|  | } | 
|  |  | 
|  | Foo.b = 38; | 
|  |  | 
|  | Foo.prototype.bar = function() { | 
|  | return this.a; | 
|  | } | 
|  | Foo.prototype.toString = function() { | 
|  | return "I'm a Foo a=" + this.a; | 
|  | } | 
|  |  | 
|  | var container = new Object(); | 
|  | container.Foo = Foo; | 
|  |  | 
|  | function isArray(a) { | 
|  | return a instanceof Array; | 
|  | } | 
|  |  | 
|  | function checkMap(m, key, value) { | 
|  | if (m.hasOwnProperty(key)) | 
|  | return m[key] == value; | 
|  | else | 
|  | return false; | 
|  | } | 
|  |  | 
|  | function invokeCallback() { | 
|  | return callback(); | 
|  | } | 
|  |  | 
|  | function invokeCallbackWith11params() { | 
|  | return callbackWith11params(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); | 
|  | } | 
|  |  | 
|  | function returnElement(element) { | 
|  | return element; | 
|  | } | 
|  |  | 
|  | function getElementAttribute(element, attr) { | 
|  | return element.getAttribute(attr); | 
|  | } | 
|  |  | 
|  | function addClassAttributes(list) { | 
|  | var result = ""; | 
|  | for (var i=0; i < list.length; i++) { | 
|  | result += list[i].getAttribute("class"); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | function getNewDate() { | 
|  | return new Date(1995, 11, 17); | 
|  | } | 
|  |  | 
|  | function getNewDivElement() { | 
|  | return document.createElement("div"); | 
|  | } | 
|  |  | 
|  | function getNewEvent() { | 
|  | return new CustomEvent('test'); | 
|  | } | 
|  |  | 
|  | function getNewBlob() { | 
|  | var fileParts = ['<a id="a"><b id="b">hey!</b></a>']; | 
|  | return new Blob(fileParts, {type : 'text/html'}); | 
|  | } | 
|  |  | 
|  | function getNewIDBKeyRange() { | 
|  | return IDBKeyRange.only(1); | 
|  | } | 
|  |  | 
|  | function getNewImageData() { | 
|  | var canvas = document.createElement('canvas'); | 
|  | var context = canvas.getContext('2d'); | 
|  | return context.createImageData(1, 1); | 
|  | } | 
|  |  | 
|  | function getNewInt32Array() { | 
|  | return new Int32Array([1, 2, 3, 4, 5, 6, 7, 8]); | 
|  | } | 
|  |  | 
|  | function getNewArrayBuffer() { | 
|  | return new ArrayBuffer(8); | 
|  | } | 
|  |  | 
|  | function isPropertyInstanceOf(property, type) { | 
|  | return window[property] instanceof type; | 
|  | } | 
|  |  | 
|  | function testJsMap(callback) { | 
|  | var result = callback(); | 
|  | return result['value']; | 
|  | } | 
|  |  | 
|  | function addTestProperty(o) { | 
|  | o.testProperty = "test"; | 
|  | } | 
|  |  | 
|  | function fireClickEvent(w) { | 
|  | var event = w.document.createEvent('Events'); | 
|  | event.initEvent('click', true, false); | 
|  | w.document.dispatchEvent(event); | 
|  | } | 
|  |  | 
|  | function Bar() { | 
|  | return "ret_value"; | 
|  | } | 
|  | Bar.foo = "property_value"; | 
|  |  | 
|  | function Baz(p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11) { | 
|  | this.f1 = p1; | 
|  | this.f2 = p2; | 
|  | this.f3 = p3; | 
|  | this.f4 = p4; | 
|  | this.f5 = p5; | 
|  | this.f6 = p6; | 
|  | this.f7 = p7; | 
|  | this.f8 = p8; | 
|  | this.f9 = p9; | 
|  | this.f10 = p10; | 
|  | this.f11 = p11; | 
|  | } | 
|  |  | 
|  | function Liar(){} | 
|  |  | 
|  | Liar.prototype.toString = function() { | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | function identical(o1, o2) { | 
|  | return o1 === o2; | 
|  | } | 
|  |  | 
|  | var someProto = { role: "proto" }; | 
|  | var someObject = Object.create(someProto); | 
|  | someObject.role = "object"; | 
|  |  | 
|  | """; | 
|  | document.body.append(script); | 
|  | } | 
|  |  | 
|  | // Some test are either causing other test to fail in IE9, or they are failing | 
|  | // for unknown reasons | 
|  | // useHtmlConfiguration+ImageData bug: dartbug.com/14355 | 
|  | skipIE9_test(String description, t()) { | 
|  | if (Platform.supportsTypedData) { | 
|  | test(description, t); | 
|  | } | 
|  | } | 
|  |  | 
|  | class Foo { | 
|  | final JsObject _proxy; | 
|  |  | 
|  | Foo(num a) : this._proxy = new JsObject(context['Foo'], [a]); | 
|  |  | 
|  | JsObject toJs() => _proxy; | 
|  |  | 
|  | num get a => _proxy['a']; | 
|  | num bar() => _proxy.callMethod('bar'); | 
|  | } | 
|  |  | 
|  | class Color { | 
|  | static final RED = new Color._("red"); | 
|  | static final BLUE = new Color._("blue"); | 
|  | String _value; | 
|  | Color._(this._value); | 
|  | String toJs() => this._value; | 
|  | } | 
|  |  | 
|  | class TestDartObject {} | 
|  |  | 
|  | class Callable { | 
|  | call() => 'called'; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | _injectJs(); | 
|  |  | 
|  | group('identity', () { | 
|  |  | 
|  | test('context instances should be identical', () { | 
|  | var c1 = context; | 
|  | var c2 = context; | 
|  | expect(identical(c1, c2), isTrue); | 
|  | }); | 
|  |  | 
|  | test('identical JS objects should have identical proxies', () { | 
|  | var o1 = new JsObject(context['Foo'], [1]); | 
|  | context['f1'] = o1; | 
|  | var o2 = context['f1']; | 
|  | expect(identical(o1, o2), isTrue); | 
|  | }); | 
|  |  | 
|  | /* | 
|  | TODO(jacobr): enable this test when dartium supports maintaining proxy | 
|  | equality. | 
|  | test('identical Dart objects should have identical proxies', () { | 
|  | var o1 = new TestDartObject(); | 
|  | expect(context.callMethod('identical', [o1, o1]), isTrue); | 
|  | }); | 
|  | */ | 
|  |  | 
|  | test('identical Dart functions should have identical proxies', () { | 
|  | var f1 = allowInterop(() => print("I'm a Function!")); | 
|  | expect(context.callMethod('identical', [f1, f1]), isTrue); | 
|  | }); | 
|  |  | 
|  | test('identical JS functions should have identical proxies', () { | 
|  | var f1 = context['Object']; | 
|  | var f2 = context['Object']; | 
|  | expect(identical(f1, f2), isTrue); | 
|  | }); | 
|  |  | 
|  | // TODO(justinfagnani): old tests duplicate checks above, remove | 
|  | // on test next cleanup pass | 
|  | test('test proxy equality', () { | 
|  | var foo1 = new JsObject(context['Foo'], [1]); | 
|  | var foo2 = new JsObject(context['Foo'], [2]); | 
|  | context['foo1'] = foo1; | 
|  | context['foo2'] = foo2; | 
|  | expect(foo1, notEquals(context['foo2'])); | 
|  | expect(foo2, equals(context['foo2'])); | 
|  | context.deleteProperty('foo1'); | 
|  | context.deleteProperty('foo2'); | 
|  | }); | 
|  |  | 
|  | test('retrieve same dart Object', () { | 
|  | final obj = new Object(); | 
|  | context['obj'] = obj; | 
|  | expect(context['obj'], same(obj)); | 
|  | context.deleteProperty('obj'); | 
|  | }); | 
|  |  | 
|  | group('caching', () { | 
|  | test('JS->Dart', () { | 
|  | // Test that we are not pulling cached proxy from the prototype | 
|  | // when asking for a proxy for the object. | 
|  | final proto = context['someProto']; | 
|  | expect(proto['role'], equals('proto')); | 
|  | final obj = context['someObject']; | 
|  | expect(obj['role'], equals('object')); | 
|  | }); | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('context', () { | 
|  |  | 
|  | test('read global field', () { | 
|  | expect(context['x'], equals(42)); | 
|  | expect(context['y'], isNull); | 
|  | }); | 
|  |  | 
|  | test('read global field with underscore', () { | 
|  | expect(context['_x'], equals(123)); | 
|  | expect(context['y'], isNull); | 
|  | }); | 
|  |  | 
|  | test('write global field', () { | 
|  | context['y'] = 42; | 
|  | expect(context['y'], equals(42)); | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('new_JsObject', () { | 
|  |  | 
|  | test('new Foo()', () { | 
|  | var foo = new JsObject(context['Foo'], [42]); | 
|  | expect(foo['a'], equals(42)); | 
|  | expect(foo.callMethod('bar'), equals(42)); | 
|  | expect(() => foo.callMethod('baz'), throwsNoSuchMethodError); | 
|  | }); | 
|  |  | 
|  | test('new container.Foo()', () { | 
|  | final Foo2 = context['container']['Foo']; | 
|  | final foo = new JsObject(Foo2, [42]); | 
|  | expect(foo['a'], 42); | 
|  | expect(Foo2['b'], 38); | 
|  | }); | 
|  |  | 
|  | test('new Array()', () { | 
|  | var a = new JsObject(context['Array']); | 
|  | expect(a is JsArray, isTrue); | 
|  |  | 
|  | // Test that the object still behaves via the base JsObject interface. | 
|  | // JsArray specific tests are below. | 
|  | expect(a['length'], 0); | 
|  |  | 
|  | a.callMethod('push', ["value 1"]); | 
|  | expect(a['length'], 1); | 
|  | expect(a[0], "value 1"); | 
|  |  | 
|  | a.callMethod('pop'); | 
|  | expect(a['length'], 0); | 
|  | }); | 
|  |  | 
|  | test('new Date()', () { | 
|  | final a = new JsObject(context['Date']); | 
|  | expect(a.callMethod('getTime'), isNotNull); | 
|  | }); | 
|  |  | 
|  | test('new Date(12345678)', () { | 
|  | final a = new JsObject(context['Date'], [12345678]); | 
|  | expect(a.callMethod('getTime'), equals(12345678)); | 
|  | }); | 
|  |  | 
|  | test('new Date("December 17, 1995 03:24:00 GMT")', () { | 
|  | final a = new JsObject(context['Date'], | 
|  | ["December 17, 1995 03:24:00 GMT"]); | 
|  | expect(a.callMethod('getTime'), equals(819170640000)); | 
|  | }); | 
|  |  | 
|  | test('new Date(1995,11,17)', () { | 
|  | // Note: JS Date counts months from 0 while Dart counts from 1. | 
|  | final a = new JsObject(context['Date'], [1995, 11, 17]); | 
|  | final b = new DateTime(1995, 12, 17); | 
|  | expect(a.callMethod('getTime'), equals(b.millisecondsSinceEpoch)); | 
|  | }); | 
|  |  | 
|  | test('new Date(1995,11,17,3,24,0)', () { | 
|  | // Note: JS Date counts months from 0 while Dart counts from 1. | 
|  | final a = new JsObject(context['Date'], | 
|  | [1995, 11, 17, 3, 24, 0]); | 
|  | final b = new DateTime(1995, 12, 17, 3, 24, 0); | 
|  | expect(a.callMethod('getTime'), equals(b.millisecondsSinceEpoch)); | 
|  | }); | 
|  |  | 
|  | test('new Object()', () { | 
|  | final a = new JsObject(context['Object']); | 
|  | expect(a, isNotNull); | 
|  |  | 
|  | a['attr'] = "value"; | 
|  | expect(a['attr'], equals("value")); | 
|  | }); | 
|  |  | 
|  | test(r'new RegExp("^\w+$")', () { | 
|  | final a = new JsObject(context['RegExp'], [r'^\w+$']); | 
|  | expect(a, isNotNull); | 
|  | expect(a.callMethod('test', ['true']), isTrue); | 
|  | expect(a.callMethod('test', [' false']), isFalse); | 
|  | }); | 
|  |  | 
|  | test('js instantiation via map notation : new Array()', () { | 
|  | final a = new JsObject(context['Array']); | 
|  | expect(a, isNotNull); | 
|  | expect(a['length'], equals(0)); | 
|  |  | 
|  | a.callMethod('push', ["value 1"]); | 
|  | expect(a['length'], equals(1)); | 
|  | expect(a[0], equals("value 1")); | 
|  |  | 
|  | a.callMethod('pop'); | 
|  | expect(a['length'], equals(0)); | 
|  | }); | 
|  |  | 
|  | test('js instantiation via map notation : new Date()', () { | 
|  | final a = new JsObject(context['Date']); | 
|  | expect(a.callMethod('getTime'), isNotNull); | 
|  | }); | 
|  |  | 
|  | test('typed array', () { | 
|  | if (Platform.supportsTypedData) { | 
|  | // Safari's ArrayBuffer is not a Function and so doesn't support bind | 
|  | // which JsObject's constructor relies on. | 
|  | // bug: https://bugs.webkit.org/show_bug.cgi?id=122976 | 
|  | if (context['ArrayBuffer']['bind'] != null) { | 
|  | final codeUnits = "test".codeUnits; | 
|  | final buf = new JsObject(context['ArrayBuffer'], [codeUnits.length]); | 
|  | final bufView = new JsObject(context['Uint8Array'], [buf]); | 
|  | for (var i = 0; i < codeUnits.length; i++) { | 
|  | bufView[i] = codeUnits[i]; | 
|  | } | 
|  | } | 
|  | } | 
|  | }); | 
|  |  | 
|  | test('>10 parameters', () { | 
|  | final o = new JsObject(context['Baz'], [1,2,3,4,5,6,7,8,9,10,11]); | 
|  | for (var i = 1; i <= 11; i++) { | 
|  | expect(o["f$i"], i); | 
|  | } | 
|  | expect(o['constructor'], equals(context['Baz'])); | 
|  | }); | 
|  | }); | 
|  |  | 
|  | group('JsFunction and callMethod', () { | 
|  |  | 
|  | test('new JsObject can return a JsFunction', () { | 
|  | var f = new JsObject(context['Function']); | 
|  | expect(f is JsFunction, isTrue); | 
|  | }); | 
|  |  | 
|  | test('JsFunction.apply on a function defined in JS', () { | 
|  | expect(context['razzle'].apply([]), equals(42)); | 
|  | }); | 
|  |  | 
|  | test('JsFunction.apply on a function that uses this', () { | 
|  | var object = new Object(); | 
|  | expect(context['returnThis'].apply([], thisArg: object), same(object)); | 
|  | }); | 
|  |  | 
|  | test('JsObject.callMethod on a function defined in JS', () { | 
|  | expect(context.callMethod('razzle'), equals(42)); | 
|  | expect(() => context.callMethod('dazzle'), throwsNoSuchMethodError); | 
|  | }); | 
|  |  | 
|  | test('callMethod with many arguments', () { | 
|  | expect(context.callMethod('varArgs', [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]), | 
|  | equals(55)); | 
|  | }); | 
|  |  | 
|  | test('access a property of a function', () { | 
|  | expect(context.callMethod('Bar'), "ret_value"); | 
|  | expect(context['Bar']['foo'], "property_value"); | 
|  | }); | 
|  | /* | 
|  | TODO(jacobr): evaluate whether we should be in the business of throwing | 
|  | ArgumentError outside of checked mode. In unchecked mode this should just | 
|  | return a NoSuchMethodError as the class lacks a method "true". | 
|  |  | 
|  | test('callMethod throws if name is not a String or num', () { | 
|  | expect(() => context.callMethod(true), | 
|  | throwsArgumentError); | 
|  | }); | 
|  | */ | 
|  | }); | 
|  |  | 
|  | group('JsArray', () { | 
|  |  | 
|  | test('new JsArray()', () { | 
|  | var array = new JsArray(); | 
|  | var arrayType = context['Array']; | 
|  | expect(array.instanceof(arrayType), true); | 
|  | expect(array, []); | 
|  | // basic check that it behaves like a List | 
|  | array.addAll([1, 2, 3]); | 
|  | expect(array, [1, 2, 3]); | 
|  | }); | 
|  |  | 
|  | test('new JsArray.from()', () { | 
|  | var array = new JsArray.from([1, 2, 3]); | 
|  | var arrayType = context['Array']; | 
|  | expect(array.instanceof(arrayType), true); | 
|  | expect(array, [1, 2, 3]); | 
|  | }); | 
|  |  | 
|  | test('get Array from JS', () { | 
|  | context['a'] = new JsObject(context['Array'], [1, 2, 3]); | 
|  | expect(context.callMethod('isPropertyInstanceOf', | 
|  | ['a', context['Array']]), isTrue); | 
|  | var a = context['a']; | 
|  | expect(a is JsArray, isTrue); | 
|  | expect(a, [1, 2, 3]); | 
|  | context.deleteProperty('a'); | 
|  | }); | 
|  |  | 
|  | test('pass Array to JS', () { | 
|  | context['a'] = [1, 2, 3]; | 
|  | var a = context['a']; | 
|  | expect(a is List, isTrue); | 
|  | expect(a is JsArray, isFalse); | 
|  | expect(a, [1, 2, 3]); | 
|  | context.deleteProperty('a'); | 
|  | }); | 
|  |  | 
|  | test('[]', () { | 
|  | var array = new JsArray.from([1, 2]); | 
|  | expect(array[0], 1); | 
|  | expect(array[1], 2); | 
|  | expect(() => array[-1], throwsRangeError); | 
|  | expect(() => array[2], throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('[]=', () { | 
|  | var array = new JsArray<Object>.from([1, 2]); | 
|  | array[0] = 'd'; | 
|  | array[1] = 'e'; | 
|  | expect(array, ['d', 'e']); | 
|  | expect(() => array[-1] = 3, throwsRangeError); | 
|  | expect(() => array[2] = 3, throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('length', () { | 
|  | var array = new JsArray.from([1, 2, 3]); | 
|  | expect(array.length, 3); | 
|  | array.add(4); | 
|  | expect(array.length, 4); | 
|  | array.length = 2; | 
|  | expect(array, [1, 2]); | 
|  | array.length = 3; | 
|  | expect(array, [1, 2, null]); | 
|  | }); | 
|  |  | 
|  | test('add', () { | 
|  | var array = new JsArray(); | 
|  | array.add('a'); | 
|  | expect(array, ['a']); | 
|  | array.add('b'); | 
|  | expect(array, ['a', 'b']); | 
|  | }); | 
|  |  | 
|  | test('addAll', () { | 
|  | var array = new JsArray(); | 
|  | array.addAll(['a', 'b']); | 
|  | expect(array, ['a', 'b']); | 
|  | // make sure addAll can handle Iterables | 
|  | array.addAll(new Set.from(['c'])); | 
|  | expect(array, ['a', 'b', 'c']); | 
|  | }); | 
|  |  | 
|  | test('insert', () { | 
|  | var array = new JsArray.from([]); | 
|  | array.insert(0, 'b'); | 
|  | expect(array, ['b']); | 
|  | array.insert(0, 'a'); | 
|  | expect(array, ['a', 'b']); | 
|  | array.insert(2, 'c'); | 
|  | expect(array, ['a', 'b', 'c']); | 
|  | expect(() => array.insert(4, 'e'), throwsRangeError); | 
|  | expect(() => array.insert(-1, 'e'), throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('removeAt', () { | 
|  | var array = new JsArray.from(['a', 'b', 'c']); | 
|  | expect(array.removeAt(1), 'b'); | 
|  | expect(array, ['a', 'c']); | 
|  | expect(() => array.removeAt(2), throwsRangeError); | 
|  | expect(() => array.removeAt(-1), throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('removeLast', () { | 
|  | var array = new JsArray.from(['a', 'b', 'c']); | 
|  | expect(array.removeLast(), 'c'); | 
|  | expect(array, ['a', 'b']); | 
|  | array.length = 0; | 
|  | expect(() => array.removeLast(), throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('removeRange', () { | 
|  | var array = new JsArray.from(['a', 'b', 'c', 'd']); | 
|  | array.removeRange(1, 3); | 
|  | expect(array, ['a', 'd']); | 
|  | expect(() => array.removeRange(-1, 2), throwsRangeError); | 
|  | expect(() => array.removeRange(0, 3), throwsRangeError); | 
|  | expect(() => array.removeRange(2, 1), throwsRangeError); | 
|  | }); | 
|  |  | 
|  | test('setRange', () { | 
|  | var array = new JsArray.from(['a', 'b', 'c', 'd']); | 
|  | array.setRange(1, 3, ['e', 'f']); | 
|  | expect(array, ['a', 'e', 'f', 'd']); | 
|  | array.setRange(3, 4, ['g', 'h', 'i'], 1); | 
|  | expect(array, ['a', 'e', 'f', 'h']); | 
|  | }); | 
|  |  | 
|  | test('sort', () { | 
|  | var array = new JsArray.from(['c', 'a', 'b']); | 
|  | array.sort(); | 
|  | expect(array, ['a', 'b', 'c']); | 
|  | }); | 
|  |  | 
|  | test('sort with a Comparator', () { | 
|  | var array = new JsArray.from(['c', 'a', 'b']); | 
|  | array.sort((a, b) => -(a.compareTo(b))); | 
|  | expect(array, ['c', 'b', 'a']); | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('JsObject.fromBrowserObject()', () { | 
|  |  | 
|  | test('Nodes are proxied', () { | 
|  | var node = new JsObject.fromBrowserObject(new DivElement()); | 
|  | context.callMethod('addTestProperty', [node]); | 
|  | expect(node is JsObject, isTrue); | 
|  | // TODO(justinfagnani): make this work in IE9 | 
|  | // expect(node.instanceof(context['HTMLDivElement']), isTrue); | 
|  | expect(node['testProperty'], 'test'); | 
|  | }); | 
|  |  | 
|  | test('primitives and null throw ArgumentError', () { | 
|  | for (var v in ['a', 1, 2.0, true, null]) { | 
|  | expect(() => new JsObject.fromBrowserObject(v), throwsArgumentError); | 
|  | } | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('Dart_functions', () { | 
|  | test('invoke Dart callback from JS', () { | 
|  | expect(() => context.callMethod('invokeCallback'), throws); | 
|  |  | 
|  | context['callback'] = () => 42; | 
|  | expect(context.callMethod('invokeCallback'), equals(42)); | 
|  |  | 
|  | context.deleteProperty('callback'); | 
|  | }); | 
|  |  | 
|  | test('pass a Dart function to JS and back', () { | 
|  | var dartFunction = () => 42; | 
|  | context['dartFunction'] = dartFunction; | 
|  | expect(identical(context['dartFunction'], dartFunction), isTrue); | 
|  | context.deleteProperty('dartFunction'); | 
|  | }); | 
|  |  | 
|  | test('callback as parameter', () { | 
|  | expect(context.callMethod('getTypeOf', [context['razzle']]), | 
|  | equals("function")); | 
|  | }); | 
|  |  | 
|  | test('invoke Dart callback from JS with this', () { | 
|  | // A JavaScript constructor function implemented in Dart which | 
|  | // uses 'this' | 
|  | final constructor = new JsFunction.withThis(($this, arg1) { | 
|  | var t = $this; | 
|  | $this['a'] = 42; | 
|  | }); | 
|  | var o = new JsObject(constructor, ["b"]); | 
|  | expect(o['a'], equals(42)); | 
|  | }); | 
|  |  | 
|  | test('invoke Dart callback from JS with 11 parameters', () { | 
|  | context['callbackWith11params'] = (p1, p2, p3, p4, p5, p6, p7, | 
|  | p8, p9, p10, p11) => '$p1$p2$p3$p4$p5$p6$p7$p8$p9$p10$p11'; | 
|  | expect(context.callMethod('invokeCallbackWith11params'), | 
|  | equals('1234567891011')); | 
|  | }); | 
|  |  | 
|  | test('return a JS proxy to JavaScript', () { | 
|  | var result = context.callMethod('testJsMap', [() => new JsObject.jsify({'value': 42})]); | 
|  | expect(result, 42); | 
|  | }); | 
|  |  | 
|  | test('emulated functions should be callable in JS', () { | 
|  | context['callable'] = new Callable(); | 
|  | var result = context.callMethod('callable'); | 
|  | expect(result, 'called'); | 
|  | context.deleteProperty('callable'); | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('JsObject.jsify()', () { | 
|  |  | 
|  | test('convert a List', () { | 
|  | final list = [1, 2, 3, 4, 5, 6, 7, 8]; | 
|  | var array = new JsObject.jsify(list); | 
|  | expect(context.callMethod('isArray', [array]), isTrue); | 
|  | expect(array['length'], equals(list.length)); | 
|  | for (var i = 0; i < list.length ; i++) { | 
|  | expect(array[i], equals(list[i])); | 
|  | } | 
|  | }); | 
|  |  | 
|  | test('convert an Iterable', () { | 
|  | final set = new Set.from([1, 2, 3, 4, 5, 6, 7, 8]); | 
|  | var array = new JsObject.jsify(set); | 
|  | expect(context.callMethod('isArray', [array]), isTrue); | 
|  | expect(array['length'], equals(set.length)); | 
|  | for (var i = 0; i < array['length'] ; i++) { | 
|  | expect(set.contains(array[i]), isTrue); | 
|  | } | 
|  | }); | 
|  |  | 
|  | test('convert a Map', () { | 
|  | var map = {'a': 1, 'b': 2, 'c': 3}; | 
|  | var jsMap = new JsObject.jsify(map); | 
|  | expect(!context.callMethod('isArray', [jsMap]), isTrue); | 
|  | for (final key in map.keys) { | 
|  | expect(context.callMethod('checkMap', [jsMap, key, map[key]]), isTrue); | 
|  | } | 
|  | }); | 
|  |  | 
|  | test('deep convert a complex object', () { | 
|  | dynamic object = { | 
|  | 'a': [1, [2, 3]], | 
|  | 'b': { | 
|  | 'c': 3, | 
|  | 'd': new JsObject(context['Foo'], [42]) | 
|  | }, | 
|  | 'e': null | 
|  | }; | 
|  | var jsObject = new JsObject.jsify(object); | 
|  | expect(jsObject['a'][0], equals(object['a'][0])); | 
|  | expect(jsObject['a'][1][0], equals(object['a'][1][0])); | 
|  | expect(jsObject['a'][1][1], equals(object['a'][1][1])); | 
|  | expect(jsObject['b']['c'], equals(object['b']['c'])); | 
|  | expect(jsObject['b']['d'], equals(object['b']['d'])); | 
|  | expect(jsObject['b']['d'].callMethod('bar'), equals(42)); | 
|  | expect(jsObject['e'], isNull); | 
|  | }); | 
|  |  | 
|  | test('throws if object is not a Map or Iterable', () { | 
|  | expect(() => new JsObject.jsify('a'), throwsArgumentError); | 
|  | }); | 
|  | }); | 
|  |  | 
|  | group('JsObject_methods', () { | 
|  |  | 
|  | test('hashCode and ==', () { | 
|  | final o1 = context['Object']; | 
|  | final o2 = context['Object']; | 
|  | expect(o1 == o2, isTrue); | 
|  | expect(o1.hashCode == o2.hashCode, isTrue); | 
|  | final d = context['document']; | 
|  | expect(o1 == d, isFalse); | 
|  | }); | 
|  |  | 
|  | test('toString', () { | 
|  | var foo = new JsObject(context['Foo'], [42]); | 
|  | expect(foo.toString(), equals("I'm a Foo a=42")); | 
|  | var container = context['container']; | 
|  | expect(container.toString(), equals("[object Object]")); | 
|  | }); | 
|  |  | 
|  | test('toString returns a String even if the JS object does not', () { | 
|  | var foo = new JsObject(context['Liar']); | 
|  | expect(foo.callMethod('toString'), 1); | 
|  | expect(foo.toString(), '1'); | 
|  | }); | 
|  |  | 
|  | test('instanceof', () { | 
|  | var foo = new JsObject(context['Foo'], [1]); | 
|  | expect(foo.instanceof(context['Foo']), isTrue); | 
|  | expect(foo.instanceof(context['Object']), isTrue); | 
|  | expect(foo.instanceof(context['String']), isFalse); | 
|  | }); | 
|  |  | 
|  | test('deleteProperty', () { | 
|  | var object = new JsObject.jsify({}); | 
|  | object['a'] = 1; | 
|  | expect(context['Object'].callMethod('keys', [object])['length'], 1); | 
|  | expect(context['Object'].callMethod('keys', [object])[0], "a"); | 
|  | object.deleteProperty("a"); | 
|  | expect(context['Object'].callMethod('keys', [object])['length'], 0); | 
|  | }); | 
|  |  | 
|  | /* TODO(jacobr): this is another test that is inconsistent with JS semantics. | 
|  | test('deleteProperty throws if name is not a String or num', () { | 
|  | var object = new JsObject.jsify({}); | 
|  | expect(() => object.deleteProperty(true), | 
|  | throwsArgumentError); | 
|  | }); | 
|  | */ | 
|  |  | 
|  | test('hasProperty', () { | 
|  | var object = new JsObject.jsify({}); | 
|  | object['a'] = 1; | 
|  | expect(object.hasProperty('a'), isTrue); | 
|  | expect(object.hasProperty('b'), isFalse); | 
|  | }); | 
|  |  | 
|  | /* TODO(jacobr): is this really the correct unchecked mode behavior? | 
|  | test('hasProperty throws if name is not a String or num', () { | 
|  | var object = new JsObject.jsify({}); | 
|  | expect(() => object.hasProperty(true), | 
|  | throwsArgumentError); | 
|  | }); | 
|  | */ | 
|  |  | 
|  | test('[] and []=', () { | 
|  | final myArray = context['myArray']; | 
|  | expect(myArray['length'], equals(1)); | 
|  | expect(myArray[0], equals("value1")); | 
|  | myArray[0] = "value2"; | 
|  | expect(myArray['length'], equals(1)); | 
|  | expect(myArray[0], equals("value2")); | 
|  |  | 
|  | final foo = new JsObject(context['Foo'], [1]); | 
|  | foo["getAge"] = () => 10; | 
|  | expect(foo.callMethod('getAge'), equals(10)); | 
|  | }); | 
|  |  | 
|  | /* TODO(jacobr): remove as we should only throw this in checked mode. | 
|  | test('[] and []= throw if name is not a String or num', () { | 
|  | var object = new JsObject.jsify({}); | 
|  | expect(() => object[true], | 
|  | throwsArgumentError); | 
|  | expect(() => object[true] = 1, | 
|  | throwsArgumentError); | 
|  | }); | 
|  | */ | 
|  | }); | 
|  |  | 
|  | group('transferrables', () { | 
|  |  | 
|  | group('JS->Dart', () { | 
|  |  | 
|  | test('DateTime', () { | 
|  | var date = context.callMethod('getNewDate'); | 
|  | expect(date is DateTime, isTrue); | 
|  | }); | 
|  |  | 
|  | test('window', () { | 
|  | expect(context['window'] is Window, isTrue); | 
|  | }); | 
|  |  | 
|  | test('foreign browser objects should be proxied', () { | 
|  | var iframe = new IFrameElement(); | 
|  | document.body.children.add(iframe); | 
|  | var proxy = new JsObject.fromBrowserObject(iframe); | 
|  |  | 
|  | // Window | 
|  | var contentWindow = proxy['contentWindow']; | 
|  | expect(contentWindow is! Window, isTrue); | 
|  | expect(contentWindow is JsObject, isTrue); | 
|  |  | 
|  | // Node | 
|  | var foreignDoc = contentWindow['document']; | 
|  | expect(foreignDoc is! Node, isTrue); | 
|  | expect(foreignDoc is JsObject, isTrue); | 
|  |  | 
|  | // Event | 
|  | var clicked = false; | 
|  | foreignDoc['onclick'] = (e) { | 
|  | expect(e is! Event, isTrue); | 
|  | expect(e is JsObject, isTrue); | 
|  | clicked = true; | 
|  | }; | 
|  |  | 
|  | context.callMethod('fireClickEvent', [contentWindow]); | 
|  | expect(clicked, isTrue); | 
|  | }); | 
|  |  | 
|  | test('foreign functions pass function is checks', () { | 
|  | var iframe = new IFrameElement(); | 
|  | document.body.children.add(iframe); | 
|  | var proxy = new JsObject.fromBrowserObject(iframe); | 
|  |  | 
|  | var contentWindow = proxy['contentWindow']; | 
|  | var foreignDoc = contentWindow['document']; | 
|  |  | 
|  | // Function | 
|  | var foreignFunction = foreignDoc['createElement']; | 
|  | expect(foreignFunction is JsFunction, isTrue); | 
|  |  | 
|  | // Verify that internal isChecks in callMethod work. | 
|  | foreignDoc.callMethod('createElement', ['div']); | 
|  |  | 
|  | var typedContentWindow = js_util.getProperty(iframe, 'contentWindow'); | 
|  | var typedForeignDoc = js_util.getProperty(typedContentWindow, 'document'); | 
|  |  | 
|  | var typedForeignFunction = js_util.getProperty(typedForeignDoc, 'createElement'); | 
|  | expect(typedForeignFunction is Function, isTrue); | 
|  | js_util.callMethod(typedForeignDoc, 'createElement', ['div']); | 
|  | }); | 
|  |  | 
|  | test('document', () { | 
|  | expect(context['document'] is Document, isTrue); | 
|  | }); | 
|  |  | 
|  | skipIE9_test('Blob', () { | 
|  | var blob = context.callMethod('getNewBlob'); | 
|  | expect(blob is Blob, isTrue); | 
|  | expect(blob.type, equals('text/html')); | 
|  | }); | 
|  |  | 
|  | test('unattached DivElement', () { | 
|  | var node = context.callMethod('getNewDivElement'); | 
|  | expect(node is DivElement, isTrue); | 
|  | }); | 
|  |  | 
|  | test('Event', () { | 
|  | var event = context.callMethod('getNewEvent'); | 
|  | expect(event is Event, true); | 
|  | }); | 
|  |  | 
|  | test('KeyRange', () { | 
|  | if (IdbFactory.supported) { | 
|  | var node = context.callMethod('getNewIDBKeyRange'); | 
|  | expect(node is KeyRange, isTrue); | 
|  | } | 
|  | }); | 
|  |  | 
|  | test('ImageData', () { | 
|  | var node = context.callMethod('getNewImageData'); | 
|  | expect(node is ImageData, isTrue); | 
|  | }); | 
|  |  | 
|  | test('typed data: Int32Array', () { | 
|  | if (Platform.supportsTypedData) { | 
|  | var list = context.callMethod('getNewInt32Array'); | 
|  | print(list); | 
|  | expect(list is Int32List, isTrue); | 
|  | expect(list, equals([1, 2, 3, 4, 5, 6, 7, 8])); | 
|  | } | 
|  | }); | 
|  |  | 
|  | }); | 
|  |  | 
|  | group('Dart->JS', () { | 
|  |  | 
|  | test('Date', () { | 
|  | context['o'] = new DateTime(1995, 12, 17); | 
|  | var dateType = context['Date']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', dateType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | skipIE9_test('window', () { | 
|  | context['o'] = window; | 
|  | var windowType = context['Window']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', windowType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | skipIE9_test('document', () { | 
|  | context['o'] = document; | 
|  | var documentType = context['Document']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', documentType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | skipIE9_test('Blob', () { | 
|  | var fileParts = ['<a id="a"><b id="b">hey!</b></a>']; | 
|  | context['o'] = new Blob(fileParts, 'text/html'); | 
|  | var blobType = context['Blob']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', blobType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | test('unattached DivElement', () { | 
|  | context['o'] = new DivElement(); | 
|  | var divType = context['HTMLDivElement']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', divType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | test('Event', () { | 
|  | context['o'] = new CustomEvent('test'); | 
|  | var eventType = context['Event']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', eventType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | test('KeyRange', () { | 
|  | if (IdbFactory.supported) { | 
|  | context['o'] = new KeyRange.only(1); | 
|  | var keyRangeType = context['IDBKeyRange']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', keyRangeType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | } | 
|  | }); | 
|  |  | 
|  | // this test fails in IE9 for very weird, but unknown, reasons | 
|  | // the expression context['ImageData'] fails if useHtmlConfiguration() | 
|  | // is called, or if the other tests in this file are enabled | 
|  | skipIE9_test('ImageData', () { | 
|  | var canvas = new CanvasElement(); | 
|  | var ctx = canvas.getContext('2d') as CanvasRenderingContext2D; | 
|  | context['o'] = ctx.createImageData(1, 1); | 
|  | var imageDataType = context['ImageData']; | 
|  | expect(context.callMethod('isPropertyInstanceOf', ['o', imageDataType]), | 
|  | isTrue); | 
|  | context.deleteProperty('o'); | 
|  | }); | 
|  |  | 
|  | test('typed data: Int32List', () { | 
|  | if (Platform.supportsTypedData) { | 
|  | context['o'] = new Int32List.fromList([1, 2, 3, 4]); | 
|  | var listType = context['Int32Array']; | 
|  | // TODO(jacobr): make this test pass. Currently some type information | 
|  | // is lost when typed arrays are passed between JS and Dart. | 
|  | // expect(context.callMethod('isPropertyInstanceOf', ['o', listType]), | 
|  | //    isTrue); | 
|  | context.deleteProperty('o'); | 
|  | } | 
|  | }); | 
|  |  | 
|  | }); | 
|  | }); | 
|  |  | 
|  | } |