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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 /// Test that the @MirrorsUsed annotation suppress hints and that only | 5 /// Test that the @MirrorsUsed annotation suppress hints and that only |
6 /// requested elements are retained for reflection. | 6 /// requested elements are retained for reflection. |
7 library dart2js.test.mirrors_used_test; | 7 library dart2js.test.mirrors_used_test; |
8 | 8 |
9 import 'package:expect/expect.dart'; | 9 import 'package:expect/expect.dart'; |
10 | 10 |
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41 for (var element in generatedCode) { | 41 for (var element in generatedCode) { |
42 print(element); | 42 print(element); |
43 } | 43 } |
44 print(''); | 44 print(''); |
45 | 45 |
46 // This assertion can fail for two reasons: | 46 // This assertion can fail for two reasons: |
47 // 1. Too many elements retained for reflection. | 47 // 1. Too many elements retained for reflection. |
48 // 2. Some code was refactored, and there are more methods. | 48 // 2. Some code was refactored, and there are more methods. |
49 // Either situation could be problematic, but in situation 2, it is often | 49 // Either situation could be problematic, but in situation 2, it is often |
50 // acceptable to increase [expectedMethodCount] a little. | 50 // acceptable to increase [expectedMethodCount] a little. |
51 int expectedMethodCount = 315; | 51 int expectedMethodCount = 317; |
52 Expect.isTrue( | 52 Expect.isTrue( |
53 generatedCode.length <= expectedMethodCount, | 53 generatedCode.length <= expectedMethodCount, |
54 'Too many compiled methods: ' | 54 'Too many compiled methods: ' |
55 '${generatedCode.length} > $expectedMethodCount'); | 55 '${generatedCode.length} > $expectedMethodCount'); |
56 | 56 |
57 for (var library in compiler.libraries.values) { | 57 for (var library in compiler.libraries.values) { |
58 library.forEachLocalMember((member) { | 58 library.forEachLocalMember((member) { |
59 if (library == compiler.mainApp) { | 59 if (library == compiler.mainApp |
60 // TODO(ahe): We currently retain the entire library. Update this test | 60 && member.name == const SourceString('Foo')) { |
61 // to test that only Foo is retained. | |
62 Expect.isTrue( | 61 Expect.isTrue( |
63 compiler.backend.isNeededForReflection(member), '$member'); | 62 compiler.backend.isNeededForReflection(member), '$member'); |
| 63 member.forEachLocalMember((classMember) { |
| 64 Expect.isTrue( |
| 65 compiler.backend.isNeededForReflection(classMember), |
| 66 '$classMember'); |
| 67 }); |
64 } else { | 68 } else { |
65 Expect.isFalse( | 69 Expect.isFalse( |
66 compiler.backend.isNeededForReflection(member), '$member'); | 70 compiler.backend.isNeededForReflection(member), '$member'); |
67 } | 71 } |
68 }); | 72 }); |
69 } | 73 } |
70 } | 74 } |
71 | 75 |
72 const MEMORY_SOURCE_FILES = const <String, String> { | 76 const MEMORY_SOURCE_FILES = const <String, String> { |
73 'main.dart': """ | 77 'main.dart': """ |
74 @MirrorsUsed(targets: const [Foo], override: '*') | 78 @MirrorsUsed(targets: const [Foo], override: '*') |
75 import 'dart:mirrors'; | 79 import 'dart:mirrors'; |
76 | 80 |
77 import 'library.dart'; | 81 import 'library.dart'; |
78 | 82 |
79 class Foo {} | 83 class Foo { |
| 84 int field; |
| 85 instanceMethod() {} |
| 86 static staticMethod() {} |
| 87 } |
| 88 |
| 89 unusedFunction() { |
| 90 } |
80 | 91 |
81 main() { | 92 main() { |
82 useReflect(Foo); | 93 useReflect(Foo); |
83 } | 94 } |
84 """, | 95 """, |
85 'library.dart': """ | 96 'library.dart': """ |
86 library lib; | 97 library lib; |
87 | 98 |
88 import 'dart:mirrors'; | 99 import 'dart:mirrors'; |
89 | 100 |
90 useReflect(type) { | 101 useReflect(type) { |
91 print(new Symbol('Foo')); | 102 print(new Symbol('Foo')); |
92 print(MirrorSystem.getName(reflectClass(type).owner.qualifiedName)); | 103 print(MirrorSystem.getName(reflectClass(type).owner.qualifiedName)); |
93 } | 104 } |
94 """, | 105 """, |
95 }; | 106 }; |
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