| // Copyright (c) 2012, 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 "package:expect/expect.dart"; |
| |
| // Testing Function.apply calls correctly. |
| // This test is not testing error handling, only that correct parameters |
| // cause a correct call. |
| |
| int test0() => 42; |
| int test0a({required int a}) => 37 + a; |
| int test1(int i) => i + 1; |
| int test1a(int i, {required int a}) => i + a; |
| int test2(int i, int j) => i + j; |
| int test2a(int i, int j, {required int a}) => i + j + a; |
| |
| class C { |
| int x = 10; |
| int foo(int y) => this.x + y; |
| } |
| |
| class Callable { |
| int call(int x, int y) => x + y; |
| } |
| |
| @pragma('dart2js:noInline') |
| @pragma('dart2js:assumeDynamic') |
| confuse(x) => x; |
| |
| main() { |
| testMap(res, func, map) { |
| Expect.equals(res, Function.apply(func, null, map)); |
| Expect.equals(res, Function.apply(func, [], map)); |
| } |
| |
| testList(res, func, list) { |
| Expect.equals(res, Function.apply(func, list)); |
| Expect.equals(res, Function.apply(func, list, null)); |
| Expect.equals(res, Function.apply(func, list, new Map<Symbol, dynamic>())); |
| } |
| |
| testListTyped(res, Function func, list) => testList(res, func, list); |
| |
| test(res, func, list, map) { |
| Expect.equals(res, Function.apply(func, list, map)); |
| } |
| |
| testList(42, test0, null); |
| testList(42, test0, []); |
| testMap(42, test0a, {#a: 5}); |
| testList(42, test1, [41]); |
| test(42, test1a, [20], {#a: 22}); |
| testList(42, test2, [20, 22]); |
| test(42, test2a, [10, 15], {#a: 17}); |
| |
| // Test that "this" is correct when calling closurized functions. |
| var cfoo = new C().foo; |
| testList(42, cfoo, [32]); |
| |
| // Test that apply works even with a different name. |
| var app = confuse(Function.apply); |
| Expect.equals(42, app(test2, [22, 20])); |
| |
| // Test that apply can itself be applied. |
| Expect.equals( |
| 42, |
| Function.apply(Function.apply, [ |
| test2, |
| [17, 25] |
| ])); |
| |
| // Test that apply works on callable objects when it is passed to a method |
| // that expects Function (and not dynamic). |
| Expect.throws(() => testList(42, new Callable(), [13, 29])); //# 01: ok |
| testListTyped(42, new Callable(), [13, 29]); //# 02: ok |
| } |