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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 check(value, expectComparable, expectHashable, expectPattern) { | 5 check(value, expectComparable, expectPattern) { |
6 Expect.equals(expectComparable, value is Comparable); | 6 Expect.equals(expectComparable, value is Comparable); |
7 Expect.equals(expectHashable, value is Hashable); | |
8 Expect.equals(expectPattern, value is Pattern); | 7 Expect.equals(expectPattern, value is Pattern); |
9 } | 8 } |
10 | 9 |
11 int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1)); | 10 int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1)); |
12 | 11 |
13 class A implements Comparable { | 12 class A implements Comparable { |
14 } | 13 } |
15 | 14 |
16 class B implements Hashable { | 15 class B { |
Mads Ager (google)
2012/09/27 12:48:27
hep
| |
17 } | 16 } |
18 | 17 |
19 class C implements Comparable, Hashable { | 18 class C implements Pattern { |
20 } | 19 } |
21 | 20 |
22 class D implements Pattern { | 21 class D implements Pattern, Comparable { |
23 } | |
24 | |
25 class E implements Pattern, Comparable { | |
26 } | |
27 | |
28 class F implements Pattern, Hashable { | |
29 } | |
30 | |
31 class G implements Pattern, Hashable, Comparable { | |
32 } | 22 } |
33 | 23 |
34 main() { | 24 main() { |
35 var things = [[], 4, 4.2, 'foo', new Object(), new A(), new B(), | 25 var things = [[], 4, 4.2, 'foo', new Object(), new A(), new B(), |
36 new C(), new D(), new E(), new F(), new G()]; | 26 new C(), new D()]; |
37 | 27 |
38 check(things[inscrutable(0)], false, false, false); // List | 28 check(things[inscrutable(0)], false, false); // List |
39 check(things[inscrutable(1)], true, true, false); // int | 29 check(things[inscrutable(1)], true, false); // int |
40 check(things[inscrutable(2)], true, true, false); // num | 30 check(things[inscrutable(2)], true, false); // num |
41 check(things[inscrutable(3)], true, true, true); // string | 31 check(things[inscrutable(3)], true, true); // string |
42 check(things[inscrutable(4)], false, false, false); // Object | 32 check(things[inscrutable(4)], false, false); // Object |
43 check(things[inscrutable(5)], true, false, false); // A | 33 check(things[inscrutable(5)], true, false); // A |
44 check(things[inscrutable(6)], false, true, false); // B | 34 check(things[inscrutable(6)], false, false); // B |
45 check(things[inscrutable(7)], true, true, false); // C | 35 check(things[inscrutable(7)], false, true); // C |
46 check(things[inscrutable(8)], false, false, true); // D | 36 check(things[inscrutable(8)], true, true); // D |
47 check(things[inscrutable(9)], true, false, true); // E | |
48 check(things[inscrutable(10)], false, true, true); // F | |
49 check(things[inscrutable(11)], true, true, true); // G | |
50 } | 37 } |
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