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Unified Diff: lib/unittest/numeric_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/numeric_matchers.dart
===================================================================
--- lib/unittest/numeric_matchers.dart (revision 10655)
+++ lib/unittest/numeric_matchers.dart (working copy)
@@ -1,229 +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 greater
- * than the given [value].
- */
-Matcher greaterThan(value) =>
- new _OrderingComparison(value, false, false, true, 'a value greater than');
-
-/**
- * Returns a matcher which matches if the match argument is greater
- * than or equal to the given [value].
- */
-Matcher greaterThanOrEqualTo(value) =>
- new _OrderingComparison(value, true, false, true,
- 'a value greater than or equal to');
-
-/**
- * Returns a matcher which matches if the match argument is less
- * than the given [value].
- */
-Matcher lessThan(value) =>
- new _OrderingComparison(value, false, true, false, 'a value less than');
-
-/**
- * Returns a matcher which matches if the match argument is less
- * than or equal to the given [value].
- */
-Matcher lessThanOrEqualTo(value) =>
- new _OrderingComparison(value, true, true, false,
- 'a value less than or equal to');
-
-/**
- * A matcher which matches if the match argument is zero.
- */
-final Matcher isZero =
- const _OrderingComparison(0, true, false, false, 'a value equal to');
-
-
-/**
- * A matcher which matches if the match argument is non-zero.
- */
-final Matcher isNonZero =
- const _OrderingComparison(0, false, true, true, 'a value not equal to');
-
-/**
- * A matcher which matches if the match argument is positive.
- */
-final Matcher isPositive =
- const _OrderingComparison(0, false, false, true, 'a positive value', false);
-
-/**
- * A matcher which matches if the match argument is zero or negative.
- */
-final Matcher isNonPositive =
- const _OrderingComparison(0, true, true, false,
- 'a non-positive value', false);
-
-/**
- * A matcher which matches if the match argument is negative.
- */
-final Matcher isNegative =
- const _OrderingComparison(0, false, true, false, 'a negative value', false);
-
-/**
- * A matcher which matches if the match argument is zero or positive.
- */
-final Matcher isNonNegative =
- const _OrderingComparison(0, true, false, true,
- 'a non-negative value', false);
-
-bool _isNumeric(value) {
- return value is int || value is double;
-}
-
-class _OrderingComparison extends BaseMatcher {
- /** Expected value. */
- final _value;
- /** What to return if actual == expected */
- final bool _equalValue;
- /** What to return if actual < expected */
- final bool _lessThanValue;
- /** What to return if actual > expected */
- final bool _greaterThanValue;
- /** Textual name of the inequality */
- final String _comparisonDescription;
- /** Whether to include the expected value in the description */
- final bool _valueInDescription;
-
- const _OrderingComparison(
- this._value,
- this._equalValue,
- this._lessThanValue,
- this._greaterThanValue,
- this._comparisonDescription,
- [valueInDescription = true]) :
- this._valueInDescription = valueInDescription;
-
- bool matches(item, MatchState matchState) {
- if (item == _value) {
- return _equalValue;
- } else if (item < _value) {
- return _lessThanValue;
- } else {
- return _greaterThanValue;
- }
- }
-
- Description describe(Description description) {
- if (_valueInDescription) {
- return description.add(_comparisonDescription).add(' ').
- addDescriptionOf(_value);
- } else {
- return description.add(_comparisonDescription);
- }
- }
-}
-
-/**
- * Returns a matcher which matches if the match argument is within [delta]
- * of some [value]; i.e. if the match argument is greater than
- * than or equal [value]-[delta] and less than or equal to [value]+[delta].
- */
-Matcher closeTo(value, delta) => new _IsCloseTo(value, delta);
-
-class _IsCloseTo extends BaseMatcher {
- final num _value, _delta;
-
- const _IsCloseTo(this._value, this._delta);
-
- bool matches(item, MatchState matchState) {
- if (!_isNumeric(item)) {
- return false;
- }
- var diff = item - _value;
- if (diff < 0) diff = -diff;
- return (diff <= _delta);
- }
-
- Description describe(Description description) =>
- description.add('a numeric value within ').
- addDescriptionOf(_delta).
- add(' of ').
- addDescriptionOf(_value);
-
- Description describeMismatch(item, Description mismatchDescription,
- MatchState matchState, bool verbose) {
- if (item is !num) {
- return mismatchDescription.
- addDescriptionOf(item).
- add(' not numeric');
- } else {
- var diff = item - _value;
- if (diff < 0) diff = -diff;
- return mismatchDescription.
- addDescriptionOf(item).
- add(' differed by ').
- addDescriptionOf(diff);
- }
- }
-}
-
-/**
- * Returns a matcher which matches if the match argument is greater
- * than or equal to [low] and less than or equal to [high].
- */
-Matcher inInclusiveRange(low, high) => new _InRange(low, high, true, true);
-
-/**
- * Returns a matcher which matches if the match argument is greater
- * than [low] and less than [high].
- */
-Matcher inExclusiveRange(low, high) => new _InRange(low, high, false, false);
-
-/**
- * Returns a matcher which matches if the match argument is greater
- * than [low] and less than or equal to [high].
- */
-Matcher inOpenClosedRange(low, high) => new _InRange(low, high, false, true);
-
-/**
- * Returns a matcher which matches if the match argument is greater
- * than or equal to a [low] and less than [high].
- */
-Matcher inClosedOpenRange(low, high) => new _InRange(low, high, true, false);
-
-class _InRange extends BaseMatcher {
- final num _low, _high;
- final bool _lowMatchValue, _highMatchValue;
-
- const _InRange(this._low, this._high,
- this._lowMatchValue, this._highMatchValue);
-
- bool matches(value, MatchState matchState) {
- if (value is !num) {
- return false;
- }
- if (value < _low || value > _high) {
- return false;
- }
- if (value == _low) {
- return _lowMatchValue;
- }
- if (value == _high) {
- return _highMatchValue;
- }
- return true;
- }
-
- Description describe(Description description) =>
- description.add("be in range from "
- "$_low (${_lowMatchValue ? 'inclusive' : 'exclusive'}) to "
- "$_high (${_highMatchValue ? 'inclusive' : 'exclusive'})");
-
- Description describeMismatch(item, Description mismatchDescription,
- MatchState matchState, bool verbose) {
- if (item is !num) {
- return mismatchDescription.
- addDescriptionOf(item).
- add(' not numeric');
- } else {
- return super.describeMismatch(item, mismatchDescription,
- matchState, verbose);
- }
- }
-}
-
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