| // Copyright (c) 2015, 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. |
| |
| @JS() |
| library js_function_getter_test; |
| |
| import 'dart:html'; |
| |
| import 'package:js/js.dart'; |
| import 'package:expect/minitest.dart'; |
| |
| _injectJs() { |
| document.body!.append(new ScriptElement() |
| ..type = 'text/javascript' |
| ..innerHtml = r""" |
| var bar = { }; |
| |
| bar.instanceMember = function() { |
| if (this !== bar) { |
| throw 'Unexpected this!'; |
| } |
| return arguments.length; |
| }; |
| |
| bar.staticMember = function() { |
| return arguments.length * 2; |
| }; |
| |
| bar.dynamicStatic = function() { |
| return arguments.length; |
| }; |
| |
| bar.add = function(a, b) { |
| return a + b; |
| }; |
| |
| var foo = { 'bar' : bar }; |
| """); |
| } |
| |
| typedef int AddFn(int x, int y); |
| |
| @JS() |
| abstract class Bar { |
| external Function get staticMember; |
| external Function get instanceMember; |
| external AddFn get add; |
| external get dynamicStatic; |
| external num get nonFunctionStatic; |
| } |
| |
| @JS() |
| abstract class Foo { |
| external Bar get bar; |
| } |
| |
| @JS() |
| external Foo get foo; |
| |
| main() { |
| _injectJs(); |
| |
| group('call getter as function', () { |
| test('member function', () { |
| expect(foo.bar.instanceMember(), equals(0)); |
| expect(foo.bar.instanceMember(0), equals(1)); |
| expect(foo.bar.instanceMember(0, 0), equals(2)); |
| expect(foo.bar.instanceMember(0, 0, 0, 0, 0, 0), equals(6)); |
| var instanceMember = foo.bar.instanceMember; |
| expect(() => instanceMember(), throws); |
| expect(() => instanceMember(0), throws); |
| expect(() => instanceMember(0, 0), throws); |
| expect(() => instanceMember(0, 0, 0, 0, 0, 0), throws); |
| }); |
| |
| test('static function', () { |
| expect(foo.bar.staticMember(), equals(0)); |
| expect(foo.bar.staticMember(0), equals(2)); |
| expect(foo.bar.staticMember(0, 0), equals(4)); |
| expect(foo.bar.staticMember(0, 0, 0, 0, 0, 0), equals(12)); |
| var staticMember = foo.bar.staticMember; |
| expect(staticMember(), equals(0)); |
| expect(staticMember(0), equals(2)); |
| expect(staticMember(0, 0), equals(4)); |
| expect(staticMember(0, 0, 0, 0, 0, 0), equals(12)); |
| }); |
| |
| test('static dynamicStatic', () { |
| expect(foo.bar.dynamicStatic(), equals(0)); |
| expect(foo.bar.dynamicStatic(0), equals(1)); |
| expect(foo.bar.dynamicStatic(0, 0), equals(2)); |
| expect(foo.bar.dynamicStatic(0, 0, 0, 0, 0, 0), equals(6)); |
| var dynamicStatic = foo.bar.dynamicStatic; |
| expect(dynamicStatic(), equals(0)); |
| expect(dynamicStatic(0), equals(1)); |
| expect(dynamicStatic(0, 0), equals(2)); |
| expect(dynamicStatic(0, 0, 0, 0, 0, 0), equals(6)); |
| }); |
| |
| test('typedef function', () { |
| expect(foo.bar.add(4, 5), equals(9)); |
| }); |
| }); |
| } |