blob: 1e3f63bb30ab369e51608420b3791ddacb35570b [file] [log] [blame]
// 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.
// @dart = 2.9
@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));
});
});
}