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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 // Second dart test program. | 4 // Second dart test program. |
5 | 5 |
6 // VMOptions=--optimization-counter-threshold=5 --no-background-compilation | 6 // VMOptions=--optimization-counter-threshold=5 --no-background-compilation |
7 | 7 |
8 import "dart:mirrors"; | 8 import "dart:mirrors"; |
9 import "package:expect/expect.dart"; | 9 import "package:expect/expect.dart"; |
10 | 10 |
11 class BadInherit | 11 class BadInherit |
12 extends Null // //# 01: compile-time error | 12 extends Null // //# 01: compile-time error |
13 implements Null // //# 02: compile-time error | 13 implements Null // //# 02: compile-time error |
14 extends Object with Null // //# 03: compile-time error | 14 extends Object with Null // //# 03: compile-time error |
15 {} | 15 {} |
16 | 16 |
17 class EqualsNotCalled { | 17 class EqualsNotCalled { |
18 int get hashCode => throw "And don't warn!"; | 18 int get hashCode => throw "And don't warn!"; |
19 bool operator==(Object other) { | 19 bool operator ==(Object other) { |
20 throw "SHOULD NOT GET HERE"; | 20 throw "SHOULD NOT GET HERE"; |
21 } | 21 } |
22 } | 22 } |
23 | 23 |
24 class Generic<T> { | 24 class Generic<T> { |
25 bool test(o) => o is T; | 25 bool test(o) => o is T; |
26 T cast(o) => o as T; | 26 T cast(o) => o as T; |
27 Type get type => T; | 27 Type get type => T; |
28 } | 28 } |
29 | 29 |
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40 @AssumeDynamic() | 40 @AssumeDynamic() |
41 confuse(x) => x; | 41 confuse(x) => x; |
42 | 42 |
43 void main() { | 43 void main() { |
44 for (int i = 0; i < 10; i++) { | 44 for (int i = 0; i < 10; i++) { |
45 test(); | 45 test(); |
46 } | 46 } |
47 } | 47 } |
48 | 48 |
49 void test() { | 49 void test() { |
50 new BadInherit(); // Make sure class is referenced. | 50 new BadInherit(); // Make sure class is referenced. |
51 | 51 |
52 int foo(var obj) { | 52 int foo(var obj) { |
53 Expect.equals(null, obj); | 53 Expect.equals(null, obj); |
54 } | 54 } |
55 | 55 |
56 bool compareToNull(var value) { | 56 bool compareToNull(var value) { |
57 return null == value; | 57 return null == value; |
58 } | 58 } |
59 | 59 |
60 bool compareWithNull(var value) { | 60 bool compareWithNull(var value) { |
61 return value == null; | 61 return value == null; |
62 } | 62 } |
63 | 63 |
64 var val = 1; | 64 var val = 1; |
65 var obj = confuse(null); // Null value that isn't known at compile-time. | 65 var obj = confuse(null); // Null value that isn't known at compile-time. |
66 Expect.isTrue(identical(obj, null), "identical"); | 66 Expect.isTrue(identical(obj, null), "identical"); |
67 | 67 |
68 Expect.isTrue(null == null); | 68 Expect.isTrue(null == null); |
69 Expect.isTrue(null == obj); | 69 Expect.isTrue(null == obj); |
70 Expect.isTrue(obj == null); | 70 Expect.isTrue(obj == null); |
71 Expect.isTrue(obj == obj); | 71 Expect.isTrue(obj == obj); |
72 | 72 |
73 // Using == null or null == will not call any equality method. | 73 // Using == null or null == will not call any equality method. |
74 Expect.isFalse(new EqualsNotCalled() == null); | 74 Expect.isFalse(new EqualsNotCalled() == null); |
75 Expect.isFalse(null == new EqualsNotCalled()); | 75 Expect.isFalse(null == new EqualsNotCalled()); |
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110 | 110 |
111 // Test "is" operator. | 111 // Test "is" operator. |
112 Expect.isTrue(null is Null); | 112 Expect.isTrue(null is Null); |
113 Expect.isTrue(obj is Null); | 113 Expect.isTrue(obj is Null); |
114 Expect.isTrue(null is Object); | 114 Expect.isTrue(null is Object); |
115 Expect.isTrue(obj is Object); | 115 Expect.isTrue(obj is Object); |
116 Expect.isTrue(null is dynamic); | 116 Expect.isTrue(null is dynamic); |
117 Expect.isTrue(obj is dynamic); | 117 Expect.isTrue(obj is dynamic); |
118 Expect.isFalse(null is String); | 118 Expect.isFalse(null is String); |
119 Expect.isFalse(obj is String); | 119 Expect.isFalse(obj is String); |
120 Expect.isFalse(0 is Null); // It's only assignable. | 120 Expect.isFalse(0 is Null); // It's only assignable. |
121 Expect.isFalse(null is! Null); | 121 Expect.isFalse(null is! Null); |
122 Expect.isFalse(obj is! Null); | 122 Expect.isFalse(obj is! Null); |
123 Expect.isFalse(null is! Object); | 123 Expect.isFalse(null is! Object); |
124 Expect.isFalse(obj is! Object); | 124 Expect.isFalse(obj is! Object); |
125 Expect.isFalse(null is! dynamic); | 125 Expect.isFalse(null is! dynamic); |
126 Expect.isFalse(obj is! dynamic); | 126 Expect.isFalse(obj is! dynamic); |
127 Expect.isTrue(null is! String); | 127 Expect.isTrue(null is! String); |
128 Expect.isTrue(obj is! String); | 128 Expect.isTrue(obj is! String); |
129 Expect.isTrue(0 is! Null); // It's only assignable. | 129 Expect.isTrue(0 is! Null); // It's only assignable. |
130 | 130 |
131 // Test "is" operator with generic type variable. | 131 // Test "is" operator with generic type variable. |
132 Expect.isTrue(new Generic<Null>().test(null)); | 132 Expect.isTrue(new Generic<Null>().test(null)); |
133 Expect.isFalse(new Generic<Null>().test(42)); | 133 Expect.isFalse(new Generic<Null>().test(42)); |
134 Expect.isTrue(new Generic2<Null, int>().test(null)); | 134 Expect.isTrue(new Generic2<Null, int>().test(null)); |
135 Expect.isFalse(new Generic2<Null, int>().test(42)); | 135 Expect.isFalse(new Generic2<Null, int>().test(42)); |
136 | 136 |
137 // Test cast, "as", operator. | 137 // Test cast, "as", operator. |
138 Expect.equals(null, null as Null); | 138 Expect.equals(null, null as Null); |
139 Expect.equals(null, null as Object); | 139 Expect.equals(null, null as Object); |
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190 | 190 |
191 Expect.throws(() => obj.notDeclared()); | 191 Expect.throws(() => obj.notDeclared()); |
192 var noSuchMethod = null.noSuchMethod; | 192 var noSuchMethod = null.noSuchMethod; |
193 // Assing to "var" to prevent warning. | 193 // Assing to "var" to prevent warning. |
194 var capture = new CaptureInvocationMirror(); | 194 var capture = new CaptureInvocationMirror(); |
195 var mirror = capture.notDeclared(); | 195 var mirror = capture.notDeclared(); |
196 Expect.throws(() => noSuchMethod(mirror)); | 196 Expect.throws(() => noSuchMethod(mirror)); |
197 Expect.throws(() => Function.apply(noSuchMethod, [mirror])); | 197 Expect.throws(() => Function.apply(noSuchMethod, [mirror])); |
198 } | 198 } |
199 | 199 |
200 | |
201 class CaptureInvocationMirror { | 200 class CaptureInvocationMirror { |
202 noSuchMethod(mirror) => mirror; | 201 noSuchMethod(mirror) => mirror; |
203 } | 202 } |
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