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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 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 | 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"; | |
6 | |
7 // Test foreach (aka. for-in) functionality. | 5 // Test foreach (aka. for-in) functionality. |
8 | 6 |
9 testIterator(List expect, Iterable input) { | 7 testIterator(List expect, Iterable input) { |
10 int i = 0; | 8 int i = 0; |
11 for (var value in input) { | 9 for (var value in input) { |
12 Expect.isTrue(i < expect.length); | 10 Expect.isTrue(i < expect.length); |
13 Expect.equals(expect[i], value); | 11 Expect.equals(expect[i], value); |
14 i += 1; | 12 i += 1; |
15 } | 13 } |
16 Expect.equals(expect.length, i); | 14 Expect.equals(expect.length, i); |
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74 | 72 |
75 // Using the same variable (showing that the expression is evaluated | 73 // Using the same variable (showing that the expression is evaluated |
76 // in the outer scope). | 74 // in the outer scope). |
77 int result = 0; | 75 int result = 0; |
78 var x = [1,2,3]; | 76 var x = [1,2,3]; |
79 for (var x in x) { | 77 for (var x in x) { |
80 result += x; | 78 result += x; |
81 } | 79 } |
82 Expect.equals(6, result); | 80 Expect.equals(6, result); |
83 } | 81 } |
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