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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 | |
| 5 // Tests that map literals are ordered. | |
| 6 | |
| 7 class OrderedMapsTest { | |
| 8 static testMain() { | |
| 9 testMaps(const { "a": 1, "c": 2 }, const { "c": 2, "a": 1}, true); | |
| 10 testMaps({ "a": 1, "c": 2 }, { "c": 2, "a": 1 }, false); | |
| 11 } | |
| 12 | |
| 13 static void testMaps(map1, map2, bool isConst) { | |
| 14 Expect.equals(true, map1 !== map2); | |
| 15 | |
| 16 var keys = map1.getKeys(); | |
| 17 Expect.equals(2, keys.length); | |
| 18 Expect.equals("a", keys[0]); | |
| 19 Expect.equals("c", keys[1]); | |
| 20 | |
| 21 keys = map2.getKeys(); | |
| 22 Expect.equals(2, keys.length); | |
| 23 Expect.equals("c", keys[0]); | |
| 24 Expect.equals("a", keys[1]); | |
| 25 | |
| 26 var values = map1.getValues(); | |
| 27 Expect.equals(2, values.length); | |
| 28 Expect.equals(1, values[0]); | |
| 29 Expect.equals(2, values[1]); | |
| 30 | |
| 31 values = map2.getValues(); | |
| 32 Expect.equals(2, values.length); | |
| 33 Expect.equals(2, values[0]); | |
| 34 Expect.equals(1, values[1]); | |
| 35 | |
| 36 if (isConst) return; | |
| 37 | |
| 38 map1["b"] = 3; | |
| 39 map2["b"] = 3; | |
| 40 | |
| 41 keys = map1.getKeys(); | |
| 42 Expect.equals(3, keys.length); | |
| 43 Expect.equals("a", keys[0]); | |
| 44 Expect.equals("c", keys[1]); | |
| 45 Expect.equals("b", keys[2]); | |
| 46 | |
| 47 keys = map2.getKeys(); | |
| 48 Expect.equals(3, keys.length); | |
| 49 Expect.equals("c", keys[0]); | |
| 50 Expect.equals("a", keys[1]); | |
| 51 Expect.equals("b", keys[2]); | |
| 52 | |
| 53 values = map1.getValues(); | |
| 54 Expect.equals(3, values.length); | |
| 55 Expect.equals(1, values[0]); | |
| 56 Expect.equals(2, values[1]); | |
| 57 Expect.equals(3, values[2]); | |
| 58 | |
| 59 values = map2.getValues(); | |
| 60 Expect.equals(3, values.length); | |
| 61 Expect.equals(2, values[0]); | |
| 62 Expect.equals(1, values[1]); | |
| 63 Expect.equals(3, values[2]); | |
| 64 | |
| 65 map1["a"] = 4; | |
| 66 keys = map1.getKeys(); | |
| 67 Expect.equals(3, keys.length); | |
| 68 Expect.equals("a", keys[0]); | |
| 69 | |
| 70 values = map1.getValues(); | |
| 71 Expect.equals(3, values.length); | |
| 72 Expect.equals(4, values[0]); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 main() { | |
| 77 OrderedMapsTest.testMain(); | |
| 78 } | |
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