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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 import 'package:expect/expect.dart'; | 5 import 'package:expect/expect.dart'; |
| 6 | 6 |
| 7 // Test that function literals are parsed correctly in initializers. | 7 // Test that function literals are parsed correctly in initializers. |
| 8 | 8 |
| 9 class A { | 9 class A { |
| 10 final x; | 10 final x; |
| 11 static foo(f) => f(); | 11 static foo(f) => f(); |
| 12 | 12 |
| 13 A.parenthesized(y) : x = (() => y); | 13 A.parenthesized(y) : x = (() => y); |
| 14 A.stringLiteral(y) : x = "**${() => y}--"; | 14 A.stringLiteral(y) : x = "**${() => y}--"; |
| 15 A.listLiteral(y) : x = [() => y]; | 15 A.listLiteral(y) : x = [() => y]; |
| 16 A.mapLiteral(y) : x = { "fun": () => y }; | 16 A.mapLiteral(y) : x = {"fun": () => y}; |
| 17 A.arg(y) : x = foo(() => y); | 17 A.arg(y) : x = foo(() => y); |
| 18 } | 18 } |
| 19 | 19 |
| 20 main() { | 20 main() { |
| 21 var a, f; | 21 var a, f; |
| 22 a = new A.parenthesized(499); | 22 a = new A.parenthesized(499); |
| 23 f = a.x; | 23 f = a.x; |
| 24 Expect.isTrue(f is Function); | 24 Expect.isTrue(f is Function); |
| 25 Expect.equals(499, f()); | 25 Expect.equals(499, f()); |
| 26 | 26 |
| 27 // The toString of closures is not specified. Just make sure that there is no | 27 // The toString of closures is not specified. Just make sure that there is no |
| 28 // crash. | 28 // crash. |
| 29 a = new A.stringLiteral(42); | 29 a = new A.stringLiteral(42); |
| 30 Expect.isTrue(a.x.startsWith("**")); | 30 Expect.isTrue(a.x.startsWith("**")); |
| 31 Expect.isTrue(a.x.endsWith("--")); | 31 Expect.isTrue(a.x.endsWith("--")); |
| 32 | 32 |
| 33 a = new A.listLiteral(99); | 33 a = new A.listLiteral(99); |
| 34 f = a.x[0]; | 34 f = a.x[0]; |
| 35 Expect.isTrue(f is Function); | 35 Expect.isTrue(f is Function); |
| 36 Expect.equals(99, f()); | 36 Expect.equals(99, f()); |
| 37 | 37 |
| 38 a = new A.mapLiteral(314); | 38 a = new A.mapLiteral(314); |
| 39 f = a.x["fun"]; | 39 f = a.x["fun"]; |
| 40 Expect.isTrue(f is Function); | 40 Expect.isTrue(f is Function); |
| 41 Expect.equals(314, f()); | 41 Expect.equals(314, f()); |
| 42 | 42 |
| 43 a = new A.arg(123); | 43 a = new A.arg(123); |
| 44 Expect.equals(123, a.x); | 44 Expect.equals(123, a.x); |
| 45 } | 45 } |
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