| // Copyright 2008 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.dom.TextRangeIteratorTest'); |
| goog.setTestOnly('goog.dom.TextRangeIteratorTest'); |
| |
| goog.require('goog.dom'); |
| goog.require('goog.dom.TagName'); |
| goog.require('goog.dom.TextRangeIterator'); |
| goog.require('goog.iter.StopIteration'); |
| goog.require('goog.testing.dom'); |
| goog.require('goog.testing.jsunit'); |
| |
| var test; |
| var test2; |
| |
| function setUpPage() { |
| test = goog.dom.getElement('test'); |
| test2 = goog.dom.getElement('test2'); |
| } |
| |
| function testBasic() { |
| goog.testing.dom.assertNodesMatch( |
| new goog.dom.TextRangeIterator(test, 0, test, 2), |
| ['#a1', 'T', '#b1', 'e', '#b1', 'xt', '#a1', '#span1', |
| '#span1', '#p1']); |
| } |
| |
| function testAdjustStart() { |
| var iterator = new goog.dom.TextRangeIterator(test, 0, test, 2); |
| iterator.setStartNode(goog.dom.getElement('span1')); |
| |
| goog.testing.dom.assertNodesMatch(iterator, |
| ['#span1', '#span1', '#p1']); |
| } |
| |
| function testAdjustEnd() { |
| var iterator = new goog.dom.TextRangeIterator(test, 0, test, 2); |
| iterator.setEndNode(goog.dom.getElement('span1')); |
| |
| goog.testing.dom.assertNodesMatch(iterator, |
| ['#a1', 'T', '#b1', 'e', '#b1', 'xt', '#a1', '#span1']); |
| } |
| |
| function testOffsets() { |
| var iterator = new goog.dom.TextRangeIterator(test2.firstChild, 1, |
| test2.lastChild, 2); |
| |
| // foo |
| var node = iterator.next(); |
| assertEquals('Should have start offset at iteration step 1', 1, |
| iterator.getStartTextOffset()); |
| assertEquals('Should not have end offset at iteration step 1', |
| node.nodeValue.length, iterator.getEndTextOffset()); |
| |
| // <br> |
| node = iterator.next(); |
| assertEquals('Should not have start offset at iteration step 2', -1, |
| iterator.getStartTextOffset()); |
| assertEquals('Should not have end offset at iteration step 2', -1, |
| iterator.getEndTextOffset()); |
| |
| // </br> |
| node = iterator.next(); |
| assertEquals('Should not have start offset at iteration step 3', -1, |
| iterator.getStartTextOffset()); |
| assertEquals('Should not have end offset at iteration step 3', -1, |
| iterator.getEndTextOffset()); |
| |
| // bar |
| node = iterator.next(); |
| assertEquals('Should not have start offset at iteration step 4', 0, |
| iterator.getStartTextOffset()); |
| assertEquals('Should have end offset at iteration step 4', 2, |
| iterator.getEndTextOffset()); |
| } |
| |
| function testSingleNodeOffsets() { |
| var iterator = new goog.dom.TextRangeIterator(test2.firstChild, 1, |
| test2.firstChild, 2); |
| |
| iterator.next(); |
| assertEquals('Should have start offset', 1, iterator.getStartTextOffset()); |
| assertEquals('Should have end offset', 2, iterator.getEndTextOffset()); |
| } |
| |
| function testEndNodeOffsetAtEnd() { |
| var iterator = new goog.dom.TextRangeIterator( |
| goog.dom.getElement('b1').firstChild, 0, goog.dom.getElement('b1'), 1); |
| goog.testing.dom.assertNodesMatch(iterator, ['e', '#b1']); |
| } |
| |
| function testSkipTagDoesNotSkipEnd() { |
| // Iterate over 'Tex'. |
| var iterator = new goog.dom.TextRangeIterator( |
| test.firstChild.firstChild, 0, |
| test.firstChild.lastChild, 1); |
| |
| var node = iterator.next(); |
| assertEquals('T', node.nodeValue); |
| |
| node = iterator.next(); |
| assertEquals(goog.dom.TagName.B, node.tagName); |
| |
| iterator.skipTag(); |
| |
| node = iterator.next(); |
| assertEquals('xt', node.nodeValue); |
| } |
| |
| function testSkipTagSkipsEnd() { |
| // Iterate over 'Te'. |
| var iterator = new goog.dom.TextRangeIterator( |
| test.firstChild.firstChild, 0, |
| test.getElementsByTagName(goog.dom.TagName.B)[0].firstChild, 1); |
| |
| var node = iterator.next(); |
| assertEquals('T', node.nodeValue); |
| |
| node = iterator.next(); |
| assertEquals(goog.dom.TagName.B, node.tagName); |
| |
| var ex = assertThrows('Should stop iteration when skipping B', function() { |
| iterator.skipTag(); |
| }); |
| assertEquals(goog.iter.StopIteration, ex); |
| } |