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https://github.com/dart-lang/sdk
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0fa1bbdf15
Updated tests assuming a specific ordering of an unlinked hash map to not be daft. R=floitsch@google.com, jmesserly@google.com Review URL: https://codereview.chromium.org//22859069 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26693 260f80e4-7a28-3924-810f-c04153c831b5
95 lines
2.5 KiB
Dart
95 lines
2.5 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library map.from.test;
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import "package:expect/expect.dart";
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import 'dart:collection';
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main() {
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testWithConstMap();
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testWithNonConstMap();
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testWithHashMap();
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testWithLinkedMap();
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}
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testWithConstMap() {
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var map = const { 'b': 42, 'a': 43 };
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var otherMap = new Map.from(map);
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Expect.isTrue(otherMap is Map);
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Expect.isTrue(otherMap is HashMap);
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Expect.isTrue(otherMap is LinkedHashMap);
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Expect.equals(2, otherMap.length);
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Expect.equals(2, otherMap.keys.length);
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Expect.equals(2, otherMap.values.length);
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var count = (map) {
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int cnt = 0;
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map.forEach((a, b) { cnt += b; });
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return cnt;
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};
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Expect.equals(42 + 43, count(map));
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Expect.equals(count(map), count(otherMap));
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}
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testWithNonConstMap() {
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var map = { 'b': 42, 'a': 43 };
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var otherMap = new Map.from(map);
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Expect.isTrue(otherMap is Map);
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Expect.isTrue(otherMap is HashMap);
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Expect.isTrue(otherMap is LinkedHashMap);
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Expect.equals(2, otherMap.length);
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Expect.equals(2, otherMap.keys.length);
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Expect.equals(2, otherMap.values.length);
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int count(map) {
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int count = 0;
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map.forEach((a, b) { count += b; });
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return count;
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};
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Expect.equals(42 + 43, count(map));
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Expect.equals(count(map), count(otherMap));
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// Test that adding to the original map does not change otherMap.
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map['c'] = 44;
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Expect.equals(3, map.length);
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Expect.equals(2, otherMap.length);
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Expect.equals(2, otherMap.keys.length);
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Expect.equals(2, otherMap.values.length);
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// Test that adding to otherMap does not change the original map.
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otherMap['c'] = 44;
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Expect.equals(3, map.length);
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Expect.equals(3, otherMap.length);
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Expect.equals(3, otherMap.keys.length);
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Expect.equals(3, otherMap.values.length);
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}
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testWithHashMap() {
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var map = const { 'b': 1, 'a': 2, 'c': 3 };
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var otherMap = new HashMap.from(map);
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Expect.isTrue(otherMap is Map);
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Expect.isTrue(otherMap is HashMap);
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Expect.isTrue(otherMap is !LinkedHashMap);
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var i = 1;
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for (var val in map.values) {
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Expect.equals(i++, val);
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}
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}
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testWithLinkedMap() {
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var map = const { 'b': 1, 'a': 2, 'c': 3 };
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var otherMap = new LinkedHashMap.from(map);
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Expect.isTrue(otherMap is Map);
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Expect.isTrue(otherMap is HashMap);
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Expect.isTrue(otherMap is LinkedHashMap);
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var i = 1;
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for (var val in map.values) {
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Expect.equals(i++, val);
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}
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}
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