Index: pkg/unittest/collection_matchers.dart |
=================================================================== |
--- pkg/unittest/collection_matchers.dart (revision 14313) |
+++ pkg/unittest/collection_matchers.dart (working copy) |
@@ -1,202 +0,0 @@ |
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-/** |
- * Returns a matcher which matches [Collection]s in which all elements |
- * match the given [matcher]. |
- */ |
- |
-part of unittest; |
- |
-Matcher everyElement(matcher) => new _EveryElement(wrapMatcher(matcher)); |
- |
-class _EveryElement extends _CollectionMatcher { |
- Matcher _matcher; |
- |
- _EveryElement(Matcher this._matcher); |
- |
- bool matches(item, MatchState matchState) { |
- if (item is! Iterable) { |
- return false; |
- } |
- var i = 0; |
- for (var element in item) { |
- if (!_matcher.matches(element, matchState)) { |
- matchState.state = { |
- 'index': i, |
- 'element': element, |
- 'state': matchState.state |
- }; |
- return false; |
- } |
- ++i; |
- } |
- return true; |
- } |
- |
- Description describe(Description description) => |
- description.add('every element ').addDescriptionOf(_matcher); |
- |
- Description describeMismatch(item, Description mismatchDescription, |
- MatchState matchState, bool verbose) { |
- if (matchState.state != null) { |
- var index = matchState.state['index']; |
- var element = matchState.state['element']; |
- return _matcher.describeMismatch(element, mismatchDescription, |
- matchState.state['state'], verbose).add(' at position $index'); |
- } |
- return super.describeMismatch(item, mismatchDescription, |
- matchState, verbose); |
- } |
-} |
- |
-/** |
- * Returns a matcher which matches [Collection]s in which at least one |
- * element matches the given [matcher]. |
- */ |
-Matcher someElement(matcher) => new _SomeElement(wrapMatcher(matcher)); |
- |
-class _SomeElement extends _CollectionMatcher { |
- Matcher _matcher; |
- |
- _SomeElement(this._matcher); |
- |
- bool matches(item, MatchState matchState) { |
- return item.some( (e) => _matcher.matches(e, matchState) ); |
- } |
- |
- Description describe(Description description) => |
- description.add('some element ').addDescriptionOf(_matcher); |
-} |
- |
-/** |
- * Returns a matcher which matches [Iterable]s that have the same |
- * length and the same elements as [expected], and in the same order. |
- * This is equivalent to equals but does not recurse. |
- */ |
- |
-Matcher orderedEquals(Iterable expected) => new _OrderedEquals(expected); |
- |
-class _OrderedEquals extends BaseMatcher { |
- final Iterable _expected; |
- Matcher _matcher; |
- |
- _OrderedEquals(this._expected) { |
- _matcher = equals(_expected, 1); |
- } |
- |
- bool matches(item, MatchState matchState) => |
- (item is Iterable) && _matcher.matches(item, matchState); |
- |
- Description describe(Description description) => |
- description.add('equals ').addDescriptionOf(_expected).add(' ordered'); |
- |
- Description describeMismatch(item, Description mismatchDescription, |
- MatchState matchState, bool verbose) { |
- if (item is !Iterable) { |
- return mismatchDescription.add('not an Iterable'); |
- } else { |
- return _matcher.describeMismatch(item, mismatchDescription, |
- matchState, verbose); |
- } |
- } |
-} |
-/** |
- * Returns a matcher which matches [Iterable]s that have the same |
- * length and the same elements as [expected], but not necessarily in |
- * the same order. Note that this is O(n^2) so should only be used on |
- * small objects. |
- */ |
-Matcher unorderedEquals(Iterable expected) => |
- new _UnorderedEquals(expected); |
- |
-class _UnorderedEquals extends BaseMatcher { |
- Iterable _expected; |
- |
- _UnorderedEquals(Iterable this._expected); |
- |
- String _test(item) { |
- if (item is !Iterable) { |
- return 'not iterable'; |
- } |
- // Check the lengths are the same. |
- var expectedLength = 0; |
- if (_expected is Collection) { |
- Collection cast = _expected; // "_expected as Collection" |
- expectedLength = cast.length; |
- } else { |
- for (var element in _expected) { |
- ++expectedLength; |
- } |
- } |
- var actualLength = 0; |
- if (item is Collection) { |
- actualLength = item.length; |
- } else { |
- for (var element in item) { |
- ++actualLength; |
- } |
- } |
- if (expectedLength > actualLength) { |
- return 'has too few elements (${actualLength} < ${expectedLength})'; |
- } else if (expectedLength < actualLength) { |
- return 'has too many elements (${actualLength} > ${expectedLength})'; |
- } |
- List<bool> matched = new List<bool>(actualLength); |
- for (var i = 0; i < actualLength; i++) { |
- matched[i] = false; |
- } |
- var expectedPosition = 0; |
- for (var expectedElement in _expected) { |
- var actualPosition = 0; |
- var gotMatch = false; |
- for (var actualElement in item) { |
- if (!matched[actualPosition]) { |
- if (expectedElement == actualElement) { |
- matched[actualPosition] = gotMatch = true; |
- break; |
- } |
- } |
- ++actualPosition; |
- } |
- if (!gotMatch) { |
- Description reason = new StringDescription(); |
- reason.add('has no match for element '). |
- addDescriptionOf(expectedElement). |
- add(' at position ${expectedPosition}'); |
- return reason.toString(); |
- } |
- ++expectedPosition; |
- } |
- return null; |
- } |
- |
- bool matches(item, MatchState mismatchState) => (_test(item) == null); |
- |
- Description describe(Description description) => |
- description.add('equals ').addDescriptionOf(_expected).add(' unordered'); |
- |
- Description describeMismatch(item, Description mismatchDescription, |
- MatchState matchState, bool verbose) => |
- mismatchDescription.add(_test(item)); |
-} |
- |
-/** |
- * Collection matchers match against [Collection]s. We add this intermediate |
- * class to give better mismatch error messages than the base Matcher class. |
- */ |
-abstract class _CollectionMatcher extends BaseMatcher { |
- const _CollectionMatcher(); |
- Description describeMismatch(item, Description mismatchDescription, |
- MatchState matchState, bool verbose) { |
- if (item is !Collection) { |
- return mismatchDescription. |
- addDescriptionOf(item). |
- add(' not a collection'); |
- } else { |
- return super.describeMismatch(item, mismatchDescription, matchState, |
- verbose); |
- } |
- } |
-} |