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Side by Side Diff: tests/language_strong/generic_methods_dynamic_test.dart

Issue 2765693002: Update all tests (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2017, 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 if the type of a parameter of a generic method is a type parameter, 5 // Test that if the type of a parameter of a generic method is a type parameter,
6 // the type of the passed argument is checked (01) at compile time 6 // the type of the passed argument is checked (01) at compile time
7 // if the receiver is given via an interface-type variable, and (02) at runtime 7 // if the receiver is given via an interface-type variable, and (02) at runtime
8 // if the receiver is dynamic. 8 // if the receiver is dynamic.
9 9
10 library generic_methods_dynamic_test; 10 library generic_methods_dynamic_test;
11 11
12 import "package:expect/expect.dart"; 12 import "package:expect/expect.dart";
13 13
14 class A {} 14 class A {}
15 15
16 class B {} 16 class B {}
17 17
18 class C { 18 class C {
19 T foo<T>(T t) => t; 19 T foo<T>(T t) => t;
20 List<T> bar<T>(Iterable<T> t) => <T>[t.first]; 20 List<T> bar<T>(Iterable<T> t) => <T>[t.first];
21 } 21 }
22 22
23 main() { 23 main() {
24 B b = new B(); 24 B b = new B();
25 C c = new C(); 25 C c = new C();
26 dynamic obj = c; 26 dynamic obj = c;
27 27
28 c.foo<A>(b); /// 01: compile-time error 28 c.foo<A>(b); //# 01: compile-time error
29 obj.foo<A>(b); /// 02: runtime error 29 obj.foo<A>(b); //# 02: runtime error
30 30
31 c.bar<A>(<B>[new B()]); /// 03: compile-time error 31 c.bar<A>(<B>[new B()]); //# 03: compile-time error
32 obj.bar<A>(<B>[new B()]); /// 04: runtime error 32 obj.bar<A>(<B>[new B()]); //# 04: runtime error
33 33
34 Expect.equals(c.foo<B>(b), b); /// 05: ok 34 Expect.equals(c.foo<B>(b), b); //# 05: ok
35 Expect.equals(obj.foo<B>(b), b); /// 05: continued 35 Expect.equals(obj.foo<B>(b), b); //# 05: continued
36 36
37 dynamic x = c.bar<B>(<B>[new B()]); /// 05: continued 37 dynamic x = c.bar<B>(<B>[new B()]); //# 05: continued
38 Expect.isTrue(x is List<B>); /// 05: continued 38 Expect.isTrue(x is List<B>); //# 05: continued
39 Expect.equals(x.length, 1); /// 05: continued 39 Expect.equals(x.length, 1); //# 05: continued
40 40
41 dynamic y = obj.bar<B>(<B>[new B()]); /// 05: continued 41 dynamic y = obj.bar<B>(<B>[new B()]); //# 05: continued
42 Expect.isTrue(y is List<B>); /// 05: continued 42 Expect.isTrue(y is List<B>); //# 05: continued
43 Expect.equals(y.length, 1); /// 05: continued 43 Expect.equals(y.length, 1); //# 05: continued
44 } 44 }
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