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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 class literal expressions. | 7 // Test class literal expressions. |
8 | 8 |
9 class Class { | 9 class Class { |
10 static fisk() => 42; | 10 static fisk() => 42; |
11 } | 11 } |
12 | 12 |
13 foo(x) {} | 13 foo(x) {} |
14 | 14 |
15 main() { | 15 main() { |
16 if (false) { | |
17 Class(); /// 02: compile-time error | |
18 Class[0]; /// 05: compile-time error | |
19 var x = Class(); /// 07: compile-time error | |
20 var x = Class[0]; /// 10: compile-time error | |
21 var x = Class[0].field; /// 11: compile-time error | |
22 var x = Class[0].method(); /// 12: compile-time error | |
23 foo(Class()); /// 14: compile-time error | |
24 foo(Class[0]); /// 17: compile-time error | |
25 foo(Class[0].field); /// 18: compile-time error | |
26 foo(Class[0].method()); /// 19: compile-time error | |
27 Class[0] = 91; /// 22: compile-time error | |
28 Class++; /// 23: compile-time error | |
29 ++Class; /// 24: compile-time error | |
30 Class[0] += 3; /// 27: compile-time error | |
31 ++Class[0]; /// 28: compile-time error | |
32 Class[0]++; /// 29: compile-time error | |
33 } | |
34 Expect.equals(42, Class.fisk()); | 16 Expect.equals(42, Class.fisk()); |
35 Expect.equals(null, foo(Class.fisk())); | 17 Expect.equals(null, foo(Class.fisk())); |
36 | 18 |
37 // Verify references to a class literal are allowed. | 19 // Verify references to a class literal are allowed. |
38 Class; | 20 Class; |
39 var x = Class; | 21 var x = Class; |
40 foo(Class); | 22 foo(Class); |
41 Expect.isFalse(Class == null); | 23 Expect.isFalse(Class == null); |
42 | 24 |
43 // Verify that dereferencing a class literal is a runtime error. | 25 // Verify that dereferencing a class literal is a runtime error. |
| 26 Expect.throws(() { Class(); }, (e) => e is NoSuchMethodError); |
| 27 Expect.throws(() { Class[0]; }, (e) => e is NoSuchMethodError); |
| 28 Expect.throws(() { var x = Class(); }, (e) => e is NoSuchMethodError); |
| 29 Expect.throws(() { var x = Class[0]; }, (e) => e is NoSuchMethodError); |
| 30 Expect.throws(() { var x = Class[0].field; }, (e) => e is NoSuchMethodError); |
| 31 Expect.throws(() { var x = Class[0].method(); }, (e) => e is NoSuchMethodError
); |
| 32 Expect.throws(() { foo(Class()); }, (e) => e is NoSuchMethodError); |
| 33 Expect.throws(() { foo(Class[0]); }, (e) => e is NoSuchMethodError); |
| 34 Expect.throws(() { foo(Class[0].field); }, (e) => e is NoSuchMethodError); |
| 35 Expect.throws(() { foo(Class[0].method()); }, (e) => e is NoSuchMethodError); |
| 36 Expect.throws(() { Class[0] = 91; }, (e) => e is NoSuchMethodError); |
| 37 Expect.throws(() { Class++; }, (e) => e is NoSuchMethodError); |
| 38 Expect.throws(() { ++Class; }, (e) => e is NoSuchMethodError); |
| 39 Expect.throws(() { Class[0] += 3; }, (e) => e is NoSuchMethodError); |
| 40 Expect.throws(() { ++Class[0]; }, (e) => e is NoSuchMethodError); |
| 41 Expect.throws(() { Class[0]++; }, (e) => e is NoSuchMethodError); |
44 Expect.throws(() { Class.method(); }, (e) => e is NoSuchMethodError); | 42 Expect.throws(() { Class.method(); }, (e) => e is NoSuchMethodError); |
45 Expect.throws(() { Class.field; }, (e) => e is NoSuchMethodError); | 43 Expect.throws(() { Class.field; }, (e) => e is NoSuchMethodError); |
46 Expect.throws(() { var x = Class.method(); }, (e) => e is NoSuchMethodError); | 44 Expect.throws(() { var x = Class.method(); }, (e) => e is NoSuchMethodError); |
47 Expect.throws(() { var x = Class.field; }, (e) => e is NoSuchMethodError); | 45 Expect.throws(() { var x = Class.field; }, (e) => e is NoSuchMethodError); |
48 Expect.throws(() { foo(Class.method()); }, (e) => e is NoSuchMethodError); | 46 Expect.throws(() { foo(Class.method()); }, (e) => e is NoSuchMethodError); |
49 Expect.throws(() { foo(Class.field); }, (e) => e is NoSuchMethodError); | 47 Expect.throws(() { foo(Class.field); }, (e) => e is NoSuchMethodError); |
50 Expect.throws(() { Class / 3; }, (e) => e is NoSuchMethodError); | 48 Expect.throws(() { Class / 3; }, (e) => e is NoSuchMethodError); |
51 Expect.throws(() { Class += 3; }, (e) => e is NoSuchMethodError); | 49 Expect.throws(() { Class += 3; }, (e) => e is NoSuchMethodError); |
52 | 50 |
53 // Verify that a class literal is its runtimeType. | 51 // Verify that a class literal is its runtimeType. |
54 var obj = new Class(); | 52 var obj = new Class(); |
55 Expect.identical(Class, obj.runtimeType); | 53 Expect.identical(Class, obj.runtimeType); |
56 | 54 |
57 // Verify that a class literal isn't a string literal. | 55 // Verify that a class literal isn't a string literal. |
58 Expect.notEquals(Class, "Class"); | 56 Expect.notEquals(Class, "Class"); |
59 | 57 |
60 // Verify toString() works for class literals. | 58 // Verify toString() works for class literals. |
61 Expect.equals((Class).toString(), "Class"); | 59 Expect.equals((Class).toString(), "Class"); |
62 var y = Class; | 60 var y = Class; |
63 Expect.equals(y.toString(), "Class"); | 61 Expect.equals(y.toString(), "Class"); |
64 | 62 |
65 Expect.throws(() { Class.toString(); }, (e) => e is NoSuchMethodError); | 63 Expect.throws(() { Class.toString(); }, (e) => e is NoSuchMethodError); |
66 } | 64 } |
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