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Side by Side Diff: tests/language/src/TypeVariableBounds2Test.dart

Issue 9664065: Base test case of a multi-test now insists no static type warnings (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Reverted SyntaxTest Created 8 years, 9 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 of parameterized types with invalid bounds. 5 // Test of parameterized types with invalid bounds.
6 6
7 interface I<T extends num> { }
8
9 interface J<T> { } 7 interface J<T> { }
10 8
11 interface K<T> { } 9 interface K<T> { }
12 10
11 interface I<T
12 extends num /// 00: continued
zundel 2012/03/12 14:54:39 This test required a bit of hacking. The multiple
13 extends num /// 01: continued
14 extends num /// 02: continued
15 extends num /// 03: continued
16 extends num /// 04: continued
17 extends num /// 05: continued
18 extends num /// 06: continued
19 > { }
20
13 class A<T> implements I<T>, J<T> { 21 class A<T> implements I<T>, J<T> {
14 } 22 }
15 23
16 main() { 24 main() {
17 var a = new A<String>(); 25 var a = new A<String>();
18 26
19 { 27 {
20 I i = a; /// 00: dynamic type error, static type warning 28 I i = a; /// 00: dynamic type error, static type warning
21 J j = a; /// 01: static type warning 29 J j = a; /// 01: static type warning
22 K k = a; /// 02: dynamic type error, static type warning 30 K k = a; /// 02: dynamic type error, static type warning
23 31
24 // In production mode, A<String> is subtype of I, but error in checked mode. 32 // In production mode, A<String> is subtype of I, error in checked mode.
25 var x = a is I; /// 03: dynamic type error, static type warning 33 var x = a is I; /// 03: dynamic type error, static type warning
26 34
27 // In both production and checked modes, A<String> is a subtype of I. 35 // In both production and checked modes, A<String> is a subtype of I.
Bill Hesse 2012/03/12 16:02:49 subtype of J, not I.
28 Expect.isTrue(a is J); /// 04: static type warning 36 Expect.isTrue(a is J); /// 04: static type warning
29 37
30 // In both production and checked modes, A<String> is not a subtype of K. 38 // In both production and checked modes, A<String> is not a subtype of K.
31 // However, while unsuccessfully trying to prove that A<String> is a K, 39 // However, while unsuccessfully trying to prove that A<String> is a K,
32 // a malformed type is encountered in checked mode, resulting in a dynamic 40 // a malformed type is encountered in checked mode, resulting in a dynamic
33 // type error. 41 // type error.
34 Expect.isTrue(a is !K); /// 05: dynamic type error 42 Expect.isTrue(a is !K); /// 05: dynamic type error
35 } 43 }
36 44
37 a = new A<int>(); 45 a = new A<int>();
38 46
39 { 47 {
40 I i = a; 48 I i = a;
41 J j = a; 49 J j = a;
42 K k = a; /// 06: dynamic type error, static type warning 50 K k = a; /// 06: dynamic type error, static type warning
43 51
44 // In both production and checked modes, A<int> is a subtype of I. 52 // In both production and checked modes, A<int> is a subtype of I.
45 Expect.isTrue(a is I); 53 Expect.isTrue(a is I);
46 54
47 // In both production and checked modes, A<int> is a subtype of J. 55 // In both production and checked modes, A<int> is a subtype of J.
48 Expect.isTrue(a is J); 56 Expect.isTrue(a is J);
49 57
50 // In both production and checked modes, A<int> is not a subtype of K. 58 // In both production and checked modes, A<int> is not a subtype of K.
51 Expect.isTrue(a is !K); 59 Expect.isTrue(a is !K);
52 } 60 }
53 } 61 }
62
Bill Hesse 2012/03/12 16:02:49 Extra line.
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