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Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 7 months ago
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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
3 // BSD-style license that can be found in the LICENSE file.
4 // Test that instanceof works correctly with type variables.
5
6 class Foo<T> {
7 Foo() {}
8
9 bool isT(x) { // Untyped parameter to ensure that the static type
10 // does not affect the result.
11 return x is T;
12 }
13
14 bool isListT(x) {
15 return x is List<T>;
16 }
17 }
18
19 class GenericInstanceof {
20 static void testMain() {
21 // Using Object instead of String to ensure that the static type
22 // does not affect the result.
23 Foo<Object> fooObject = new Foo<String>();
24 Expect.equals(true, fooObject.isT("string"));
25 Expect.equals(false, fooObject.isT(1));
26
27 Foo<String> fooString = new Foo<String>();
28 Expect.equals(true, fooString.isT("string"));
29 Expect.equals(false, fooString.isT(1));
30
31 // Not providing a type argument to ensure that the static type
32 // does not affect the result.
33 {
34 Foo foo = new Foo<String>();
35 Expect.equals(true, foo.isT("string"));
36 Expect.equals(false, foo.isT(1));
37 }
38 {
39 Foo foo = new Foo();
40 Expect.equals(true, foo.isT(new List(5)));
41 Expect.equals(true, foo.isT(new List<Object>(5)));
42 Expect.equals(true, foo.isT(new List<int>(5)));
43 Expect.equals(true, foo.isT(new List<num>(5)));
44 Expect.equals(true, foo.isT(new List<String>(5)));
45 }
46 {
47 Foo foo = new Foo<List>();
48 Expect.equals(true, foo.isT(new List(5)));
49 Expect.equals(true, foo.isT(new List<Object>(5)));
50 Expect.equals(true, foo.isT(new List<int>(5)));
51 Expect.equals(true, foo.isT(new List<num>(5)));
52 Expect.equals(true, foo.isT(new List<String>(5)));
53 }
54 {
55 Foo foo = new Foo<List<Object>>();
56 Expect.equals(true, foo.isT(new List(5)));
57 Expect.equals(true, foo.isT(new List<Object>(5)));
58 Expect.equals(true, foo.isT(new List<int>(5)));
59 Expect.equals(true, foo.isT(new List<num>(5)));
60 Expect.equals(true, foo.isT(new List<String>(5)));
61 }
62 {
63 Foo foo = new Foo<List<int>>();
64 Expect.equals(true, foo.isT(new List(5)));
65 Expect.equals(false, foo.isT(new List<Object>(5)));
66 Expect.equals(true, foo.isT(new List<int>(5)));
67 Expect.equals(false, foo.isT(new List<num>(5)));
68 Expect.equals(false, foo.isT(new List<String>(5)));
69 }
70 {
71 Foo foo = new Foo<List<num>>();
72 Expect.equals(true, foo.isT(new List(5)));
73 Expect.equals(false, foo.isT(new List<Object>(5)));
74 Expect.equals(true, foo.isT(new List<int>(5)));
75 Expect.equals(true, foo.isT(new List<num>(5)));
76 Expect.equals(false, foo.isT(new List<String>(5)));
77 }
78 {
79 Foo foo = new Foo<List<String>>();
80 Expect.equals(true, foo.isT(new List(5)));
81 Expect.equals(false, foo.isT(new List<Object>(5)));
82 Expect.equals(false, foo.isT(new List<int>(5)));
83 Expect.equals(false, foo.isT(new List<num>(5)));
84 Expect.equals(true, foo.isT(new List<String>(5)));
85 }
86 {
87 Foo foo = new Foo();
88 Expect.equals(true, foo.isListT(new List(5)));
89 Expect.equals(true, foo.isListT(new List<Object>(5)));
90 Expect.equals(true, foo.isListT(new List<int>(5)));
91 Expect.equals(true, foo.isListT(new List<num>(5)));
92 Expect.equals(true, foo.isListT(new List<String>(5)));
93 }
94 {
95 Foo foo = new Foo<Object>();
96 Expect.equals(true, foo.isListT(new List(5)));
97 Expect.equals(true, foo.isListT(new List<Object>(5)));
98 Expect.equals(true, foo.isListT(new List<int>(5)));
99 Expect.equals(true, foo.isListT(new List<num>(5)));
100 Expect.equals(true, foo.isListT(new List<String>(5)));
101 }
102 {
103 Foo foo = new Foo<int>();
104 Expect.equals(true, foo.isListT(new List(5)));
105 Expect.equals(false, foo.isListT(new List<Object>(5)));
106 Expect.equals(true, foo.isListT(new List<int>(5)));
107 Expect.equals(false, foo.isListT(new List<num>(5)));
108 Expect.equals(false, foo.isListT(new List<String>(5)));
109 }
110 {
111 Foo foo = new Foo<num>();
112 Expect.equals(true, foo.isListT(new List(5)));
113 Expect.equals(false, foo.isListT(new List<Object>(5)));
114 Expect.equals(true, foo.isListT(new List<int>(5)));
115 Expect.equals(true, foo.isListT(new List<num>(5)));
116 Expect.equals(false, foo.isListT(new List<String>(5)));
117 }
118 {
119 Foo foo = new Foo<String>();
120 Expect.equals(true, foo.isListT(new List(5)));
121 Expect.equals(false, foo.isListT(new List<Object>(5)));
122 Expect.equals(false, foo.isListT(new List<int>(5)));
123 Expect.equals(false, foo.isListT(new List<num>(5)));
124 Expect.equals(true, foo.isListT(new List<String>(5)));
125 }
126 }
127 }
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