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Side by Side Diff: tests/corelib/list_iterators_test.dart

Issue 11230011: Make hasNext a getter instead of a method. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Remove unused variable. Created 8 years, 2 months ago
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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 class ListIteratorsTest { 5 class ListIteratorsTest {
6 static void checkListIterator(List a) { 6 static void checkListIterator(List a) {
7 Iterator it = a.iterator(); 7 Iterator it = a.iterator();
8 Expect.equals(false, it.hasNext() == a.isEmpty()); 8 Expect.equals(false, it.hasNext == a.isEmpty());
9 for (int i = 0; i < a.length; i++) { 9 for (int i = 0; i < a.length; i++) {
10 Expect.equals(true, it.hasNext()); 10 Expect.equals(true, it.hasNext);
11 var elem = it.next(); 11 var elem = it.next();
12 } 12 }
13 Expect.equals(false, it.hasNext()); 13 Expect.equals(false, it.hasNext);
14 bool exceptionCaught = false; 14 bool exceptionCaught = false;
15 try { 15 try {
16 var eleme = it.next(); 16 var eleme = it.next();
17 } on NoMoreElementsException catch (e) { 17 } on NoMoreElementsException catch (e) {
18 exceptionCaught = true; 18 exceptionCaught = true;
19 } 19 }
20 Expect.equals(true, exceptionCaught); 20 Expect.equals(true, exceptionCaught);
21 } 21 }
22 22
23 static testMain() { 23 static testMain() {
24 checkListIterator([]); 24 checkListIterator([]);
25 checkListIterator([1, 2]); 25 checkListIterator([1, 2]);
26 checkListIterator(new List(0)); 26 checkListIterator(new List(0));
27 checkListIterator(new List(10)); 27 checkListIterator(new List(10));
28 checkListIterator(new List()); 28 checkListIterator(new List());
29 List g = new List(); 29 List g = new List();
30 g.addAll([1, 2]); 30 g.addAll([1, 2]);
31 checkListIterator(g); 31 checkListIterator(g);
32 32
33 Iterator it = g.iterator(); 33 Iterator it = g.iterator();
34 Expect.equals(true, it.hasNext()); 34 Expect.equals(true, it.hasNext);
35 g.removeLast(); 35 g.removeLast();
36 Expect.equals(true, it.hasNext()); 36 Expect.equals(true, it.hasNext);
37 g.removeLast(); 37 g.removeLast();
38 Expect.equals(false, it.hasNext()); 38 Expect.equals(false, it.hasNext);
39 39
40 g.addAll([10, 20]); 40 g.addAll([10, 20]);
41 int sum = 0; 41 int sum = 0;
42 for (var elem in g) { 42 for (var elem in g) {
43 sum += elem; 43 sum += elem;
44 // Iterator must realize that g has no more elements. 44 // Iterator must realize that g has no more elements.
45 g.removeLast(); 45 g.removeLast();
46 } 46 }
47 Expect.equals(10, sum); 47 Expect.equals(10, sum);
48 } 48 }
49 } 49 }
50 50
51 main() { 51 main() {
52 ListIteratorsTest.testMain(); 52 ListIteratorsTest.testMain();
53 } 53 }
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