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Unified Diff: lib/unittest/string_matchers.dart

Issue 10836241: Move unittest from lib to pkg. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 4 months ago
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Index: lib/unittest/string_matchers.dart
===================================================================
--- lib/unittest/string_matchers.dart (revision 10655)
+++ lib/unittest/string_matchers.dart (working copy)
@@ -1,200 +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 if the match argument is a string and
- * is equal to [value] when compared case-insensitively.
- */
-Matcher equalsIgnoringCase(String value) => new _IsEqualIgnoringCase(value);
-
-class _IsEqualIgnoringCase extends _StringMatcher {
- final String _value;
- String _matchValue;
-
- _IsEqualIgnoringCase(this._value) {
- _matchValue = _value.toLowerCase();
- }
-
- bool matches(item, MatchState mismatchState) =>
- item is String && _matchValue == item.toLowerCase();
-
- Description describe(Description description) =>
- description.addDescriptionOf(_value).add(' ignoring case');
-}
-
-/**
- * Returns a matcher which matches if the match argument is a string and
- * is equal to [value] when compared with all runs of whitespace
- * collapsed to single spaces and leading and trailing whitespace removed.
- *
- * For example, `equalsIgnoringCase("hello world")` will match
- * "hello world", " hello world" and "hello world ".
- */
-Matcher equalsIgnoringWhitespace(_string) =>
- new _IsEqualIgnoringWhitespace(_string);
-
-class _IsEqualIgnoringWhitespace extends _StringMatcher {
- final String _value;
- String _matchValue;
-
- _IsEqualIgnoringWhitespace(this._value) {
- _matchValue = collapseWhitespace(_value);
- }
-
- bool matches(item, MatchState matchState) =>
- item is String && _matchValue == collapseWhitespace(item);
-
- Description describe(Description description) =>
- description.addDescriptionOf(_matchValue).add(' ignoring whitespace');
-
- Description describeMismatch(item, Description mismatchDescription,
- MatchState matchState, bool verbose) {
- if (item is String) {
- return mismatchDescription.add('was ').
- addDescriptionOf(collapseWhitespace(item));
- } else {
- return super.describeMismatch(item, mismatchDescription,
- matchState, verbose);
- }
- }
-}
-
-/**
- * Utility function to collapse whitespace runs to single spaces
- * and strip leading/trailing whitespace.
- */
-String collapseWhitespace(_string) {
- bool isWhitespace(String ch) => (' \n\r\t'.indexOf(ch) >= 0);
- StringBuffer result = new StringBuffer();
- bool skipSpace = true;
- for (var i = 0; i < _string.length; i++) {
- var character = _string[i];
- if (isWhitespace(character)) {
- if (!skipSpace) {
- result.add(' ');
- skipSpace = true;
- }
- } else {
- result.add(character);
- skipSpace = false;
- }
- }
- return result.toString().trim();
-}
-
-/**
- * Returns a matcher that matches if the match argument is a string and
- * starts with [prefixString].
- */
-Matcher startsWith(String prefixString) => new _StringStartsWith(prefixString);
-
-class _StringStartsWith extends _StringMatcher {
- final String _prefix;
-
- const _StringStartsWith(this._prefix);
-
- bool matches(item, MatchState matchState) =>
- item is String && item.startsWith(_prefix);
-
- Description describe(Description description) =>
- description.add('a string starting with ').addDescriptionOf(_prefix);
-}
-
-/**
- * Returns a matcher that matches if the match argument is a string and
- * ends with [suffixString].
- */
-Matcher endsWith(String suffixString) => new _StringEndsWith(suffixString);
-
-class _StringEndsWith extends _StringMatcher {
-
- final String _suffix;
-
- const _StringEndsWith(this._suffix);
-
- bool matches(item, MatchState matchState) =>
- item is String && item.endsWith(_suffix);
-
- Description describe(Description description) =>
- description.add('a string ending with ').addDescriptionOf(_suffix);
-}
-
-/**
- * Returns a matcher that matches if the match argument is a string and
- * contains a given list of [substrings] in relative order.
- *
- * For example, `stringContainsInOrder(["a", "e", "i", "o", "u"])` will match
- * "abcdefghijklmnopqrstuvwxyz".
- */
-Matcher stringContainsInOrder(substrings) =>
- new _StringContainsInOrder(substrings);
-
-class _StringContainsInOrder extends _StringMatcher {
-
- final List<String> _substrings;
-
- const _StringContainsInOrder(this._substrings);
-
- bool matches(item, MatchState matchState) {
- if (!(item is String)) {
- return false;
- }
- var from_index = 0;
- for (var s in _substrings) {
- from_index = item.indexOf(s, from_index);
- if (from_index < 0)
- return false;
- }
- return true;
- }
-
- Description describe(Description description) =>
- description.addAll('a string containing ', ', ', ' in order',
- _substrings);
-}
-
-/**
- * Returns a matcher that matches if the match argument is a string and
- * matches the regular expression given by [re]. [re] can be a RegExp
- * instance or a string; in the latter case it will be used to create
- * a RegExp instance.
- */
-Matcher matches(re) => new _MatchesRegExp(re);
-
-class _MatchesRegExp extends _StringMatcher {
- RegExp _regexp;
-
- _MatchesRegExp(re) {
- if (re is String) {
- _regexp = new RegExp(re);
- } else if (re is RegExp) {
- _regexp = re;
- } else {
- throw new IllegalArgumentException('matches requires a regexp or string');
- }
- }
-
- bool matches(String item, MatchState matchState) =>
- _regexp.hasMatch(item);
-
- Description describe(Description description) =>
- description.add("match '${_regexp.pattern}'");
-}
-
-// String matchers match against a string. We add this intermediate
-// class to give better mismatch error messages than the base Matcher class.
-/* abstract */ class _StringMatcher extends BaseMatcher {
- const _StringMatcher();
- Description describeMismatch(item, Description mismatchDescription,
- MatchState matchState, bool verbose) {
- if (!(item is String)) {
- return mismatchDescription.
- addDescriptionOf(item).
- add(' not a string');
- } else {
- return super.describeMismatch(item, mismatchDescription,
- matchState, verbose);
- }
- }
-}
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