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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 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 // Dart test for deeply nested generic types. | 7 // Dart test for deeply nested generic types. |
8 | 8 |
9 /** A natural number aka Peano number. */ | 9 /** A natural number aka Peano number. */ |
10 abstract class N { | 10 abstract class N { |
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61 | 61 |
62 // Negative tests. | 62 // Negative tests. |
63 Expect.isTrue(NFromInt(0) is !S); | 63 Expect.isTrue(NFromInt(0) is !S); |
64 Expect.isTrue(NFromInt(1) is !Z); | 64 Expect.isTrue(NFromInt(1) is !Z); |
65 Expect.isTrue(NFromInt(1) is !S<S>); | 65 Expect.isTrue(NFromInt(1) is !S<S>); |
66 Expect.isTrue(NFromInt(2) is !Z); | 66 Expect.isTrue(NFromInt(2) is !Z); |
67 Expect.isTrue(NFromInt(2) is !S<Z>); | 67 Expect.isTrue(NFromInt(2) is !S<Z>); |
68 Expect.isTrue(NFromInt(2) is !S<S<S>>); | 68 Expect.isTrue(NFromInt(2) is !S<S<S>>); |
69 | 69 |
70 // Greater-than tests | 70 // Greater-than tests |
71 Expect.isTrue(NFromInt(4) is S<S>); // 4 >= 2 | 71 Expect.isTrue(NFromInt(4) is S<S>); // 4 >= 2 |
72 Expect.isTrue(NFromInt(4) is S<S<S>>); // 4 >= 3 | 72 Expect.isTrue(NFromInt(4) is S<S<S>>); // 4 >= 3 |
73 Expect.isTrue(NFromInt(4) is S<S<S<S>>>); // 4 >= 4 | 73 Expect.isTrue(NFromInt(4) is S<S<S<S>>>); // 4 >= 4 |
74 Expect.isTrue(NFromInt(4) is !S<S<S<S<S>>>>); // 4 < 5 | 74 Expect.isTrue(NFromInt(4) is !S<S<S<S<S>>>>); // 4 < 5 |
sra1
2017/03/21 03:28:14
fix
| |
75 | 75 |
76 Expect.isTrue(IsEven(NFromInt(0))); | 76 Expect.isTrue(IsEven(NFromInt(0))); |
77 Expect.isFalse(IsEven(NFromInt(1))); | 77 Expect.isFalse(IsEven(NFromInt(1))); |
78 Expect.isTrue(IsEven(NFromInt(2))); | 78 Expect.isTrue(IsEven(NFromInt(2))); |
79 Expect.isFalse(IsEven(NFromInt(3))); | 79 Expect.isFalse(IsEven(NFromInt(3))); |
80 Expect.isTrue(IsEven(NFromInt(4))); | 80 Expect.isTrue(IsEven(NFromInt(4))); |
81 | 81 |
82 Expect.equals(0, IntFromN(NFromInt(0))); | 82 Expect.equals(0, IntFromN(NFromInt(0))); |
83 Expect.equals(1, IntFromN(NFromInt(1))); | 83 Expect.equals(1, IntFromN(NFromInt(1))); |
84 Expect.equals(2, IntFromN(NFromInt(2))); | 84 Expect.equals(2, IntFromN(NFromInt(2))); |
85 Expect.equals(50, IntFromN(NFromInt(50))); | 85 Expect.equals(50, IntFromN(NFromInt(50))); |
86 } | 86 } |
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