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|
<!DOCTYPE html>
<html>
<!--
Copyright 2007 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.dom.browserrange</title>
<script src="../../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.dom.browserrange');
goog.require('goog.dom.Range');
goog.require('goog.userAgent');
goog.require('goog.testing.dom');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<div id="sandbox"></div>
<div id="test1">Text</div><div id="test2">abc<br id="br">def</div>
<div id="cetest" contentEditable="true"><div>abc<br id="br2"></div></div>
<div id="empty"></div>
<div id="removeTest"><div>Text that<br>will be deleted</div></div>
<div id="removeTestEmptyNode"></div>
<div id="removeTestSingleNode"><div>Text Text</div></div>
<div id="removeTestMidNode"><div>0123456789</div></div>
<div id="removeTestMidMultipleNodes"><div>0123456789</div><div>0123456789</div></div>
<div id="outer">outer<div id="inner">inner</div>outer2</div>
<div id="dynamic"></div>
<div id="onlybr"><br/></div>
<script>
var test1 = goog.dom.getElement('test1');
var test2 = goog.dom.getElement('test2');
var cetest = goog.dom.getElement('cetest');
var empty = goog.dom.getElement('empty');
var dynamic = goog.dom.getElement('dynamic');
var onlybrdiv = goog.dom.getElement('onlybr');
function testCreate() {
assertNotNull('Browser range object can be created for node',
goog.dom.browserrange.createRangeFromNodeContents(test1));
}
function testRangeEndPoints() {
var container = cetest.firstChild;
var range = goog.dom.browserrange.createRangeFromNodes(
container, 2, container, 2);
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
var endNode = selRange.getEndNode();
var startOffset = selRange.getStartOffset();
var endOffset = selRange.getEndOffset();
if (goog.userAgent.WEBKIT) {
assertEquals('Start node should have text: abc',
'abc', startNode.nodeValue);
assertEquals('End node should have text: abc', 'abc', endNode.nodeValue);
assertEquals('Start offset should be 3', 3, startOffset);
assertEquals('End offset should be 3', 3, endOffset);
} else {
assertEquals('Start node should be the first div', container, startNode);
assertEquals('End node should be the first div', container, endNode);
assertEquals('Start offset should be 2', 2, startOffset);
assertEquals('End offset should be 2', 2, endOffset);
}
}
function testCreateFromNodeContents() {
var range = goog.dom.Range.createFromNodeContents(onlybrdiv);
goog.testing.dom.assertRangeEquals(onlybrdiv, 0, onlybrdiv, 1, range);
}
function normalizeHtml(str) {
return str.toLowerCase().replace(/[\n\r\f"]/g, '');
}
// TODO(robbyw): We really need tests for (and code fixes for)
// createRangeFromNodes in the following cases:
// * BR boundary (before + after)
function testCreateFromNodes() {
var start = test1.firstChild;
var range = goog.dom.browserrange.createRangeFromNodes(start, 2,
test2.firstChild, 2);
assertNotNull('Browser range object can be created for W3C node range',
range);
assertEquals('Start node should be selected at start endpoint', start,
range.getStartNode());
assertEquals('Selection should start at offset 2', 2,
range.getStartOffset());
assertEquals('Text node should be selected at end endpoint',
test2.firstChild, range.getEndNode());
assertEquals('Selection should end at offset 2', 2, range.getEndOffset());
assertTrue('Text content should be "xt\\s*ab"',
/xt\s*ab/.test(range.getText()));
assertFalse('Nodes range is not collapsed', range.isCollapsed());
assertEquals('Should contain correct html fragment',
'xt</div><div id=test2>ab',
normalizeHtml(range.getHtmlFragment()));
assertEquals('Should contain correct valid html',
'<div id=test1>xt</div><div id=test2>ab</div>',
normalizeHtml(range.getValidHtml()));
}
function testTextNode() {
var range = goog.dom.browserrange.createRangeFromNodeContents(
test1.firstChild);
assertEquals('Text node should be selected at start endpoint', 'Text',
range.getStartNode().nodeValue);
assertEquals('Selection should start at offset 0', 0,
range.getStartOffset());
assertEquals('Text node should be selected at end endpoint', 'Text',
range.getEndNode().nodeValue);
assertEquals('Selection should end at offset 4', 'Text'.length,
range.getEndOffset());
assertEquals('Container should be text node', goog.dom.NodeType.TEXT,
range.getContainer().nodeType);
assertEquals('Text content should be "Text"', 'Text', range.getText());
assertFalse('Text range is not collapsed', range.isCollapsed());
assertEquals('Should contain correct html fragment', 'Text',
range.getHtmlFragment());
assertEquals('Should contain correct valid html',
'Text', range.getValidHtml());
}
function testTextNodes() {
goog.dom.removeChildren(dynamic);
dynamic.appendChild(goog.dom.createTextNode('Part1'));
dynamic.appendChild(goog.dom.createTextNode('Part2'));
var range = goog.dom.browserrange.createRangeFromNodes(
dynamic.firstChild, 0, dynamic.lastChild, 5);
assertEquals('Text node 1 should be selected at start endpoint', 'Part1',
range.getStartNode().nodeValue);
assertEquals('Selection should start at offset 0', 0,
range.getStartOffset());
assertEquals('Text node 2 should be selected at end endpoint', 'Part2',
range.getEndNode().nodeValue);
assertEquals('Selection should end at offset 5', 'Part2'.length,
range.getEndOffset());
assertEquals('Container should be DIV', goog.dom.TagName.DIV,
range.getContainer().tagName);
assertEquals('Text content should be "Part1Part2"', 'Part1Part2',
range.getText());
assertFalse('Text range is not collapsed', range.isCollapsed());
assertEquals('Should contain correct html fragment', 'Part1Part2',
range.getHtmlFragment());
assertEquals('Should contain correct valid html',
'part1part2',
normalizeHtml(range.getValidHtml()));
}
function testDiv() {
var range = goog.dom.browserrange.createRangeFromNodeContents(test2);
assertEquals('Text node "abc" should be selected at start endpoint', 'abc',
range.getStartNode().nodeValue);
assertEquals('Selection should start at offset 0', 0,
range.getStartOffset());
assertEquals('Text node "def" should be selected at end endpoint', 'def',
range.getEndNode().nodeValue);
assertEquals('Selection should end at offset 3', 'def'.length,
range.getEndOffset());
assertEquals('Container should be DIV', 'DIV',
range.getContainer().tagName);
assertTrue('Div text content should be "abc\\s*def"',
/abc\s*def/.test(range.getText()));
assertEquals('Should contain correct html fragment', 'abc<br id=br>def',
normalizeHtml(range.getHtmlFragment()));
assertEquals('Should contain correct valid html',
'<div id=test2>abc<br id=br>def</div>',
normalizeHtml(range.getValidHtml()));
assertFalse('Div range is not collapsed', range.isCollapsed());
}
function testEmptyNodeHtmlInsert() {
var range = goog.dom.browserrange.createRangeFromNodeContents(empty);
var html = '<b>hello</b>';
range.insertNode(goog.dom.htmlToDocumentFragment(html));
assertEquals('Html is not inserted correctly', html,
normalizeHtml(empty.innerHTML));
goog.dom.removeChildren(empty);
}
function testEmptyNode() {
var range = goog.dom.browserrange.createRangeFromNodeContents(empty);
assertEquals('DIV be selected at start endpoint', 'DIV',
range.getStartNode().tagName);
assertEquals('Selection should start at offset 0', 0,
range.getStartOffset());
assertEquals('DIV should be selected at end endpoint', 'DIV',
range.getEndNode().tagName);
assertEquals('Selection should end at offset 0', 0,
range.getEndOffset());
assertEquals('Container should be DIV', 'DIV',
range.getContainer().tagName);
assertEquals('Empty text content should be ""', '', range.getText());
assertTrue('Empty range is collapsed', range.isCollapsed());
assertEquals('Should contain correct valid html', '<div id=empty></div>',
normalizeHtml(range.getValidHtml()));
assertEquals('Should contain no html fragment', '',
range.getHtmlFragment());
}
function testRemoveContents() {
var outer = goog.dom.getElement('removeTest');
var range = goog.dom.browserrange.createRangeFromNodeContents(
outer.firstChild);
range.removeContents();
assertEquals('Removed range content should be ""', '', range.getText());
assertTrue('Removed range is now collapsed', range.isCollapsed());
assertEquals('Outer div has 1 child now', 1, outer.childNodes.length);
assertEquals('Inner div is empty', 0, outer.firstChild.childNodes.length);
}
function testRemoveContentsEmptyNode() {
var outer = goog.dom.getElement('removeTestEmptyNode');
var range = goog.dom.browserrange.createRangeFromNodeContents(
outer);
range.removeContents();
assertEquals('Removed range content should be ""', '', range.getText());
assertTrue('Removed range is now collapsed', range.isCollapsed());
assertEquals('Outer div should have 0 children now',
0, outer.childNodes.length);
}
function testRemoveContentsSingleNode() {
var outer = goog.dom.getElement('removeTestSingleNode');
var range = goog.dom.browserrange.createRangeFromNodeContents(
outer.firstChild);
range.removeContents();
assertEquals('Removed range content should be ""', '', range.getText());
assertTrue('Removed range is now collapsed', range.isCollapsed());
assertEquals('', goog.dom.getTextContent(outer));
}
function testRemoveContentsMidNode() {
var outer = goog.dom.getElement('removeTestMidNode');
var textNode = outer.firstChild.firstChild;
var range = goog.dom.browserrange.createRangeFromNodes(
textNode, 1, textNode, 4);
assertEquals('Previous range content should be "123"', '123',
range.getText());
range.removeContents();
assertEquals('Removed range content should be "0456789"', '0456789',
goog.dom.getTextContent(outer));
}
function testRemoveContentsMidMultipleNodes() {
var outer = goog.dom.getElement('removeTestMidMultipleNodes');
var firstTextNode = outer.firstChild.firstChild;
var lastTextNode = outer.lastChild.firstChild;
var range = goog.dom.browserrange.createRangeFromNodes(
firstTextNode, 1, lastTextNode, 4);
assertEquals('Previous range content', '1234567890123',
range.getText().replace(/\s/g, ''));
range.removeContents();
assertEquals('Removed range content should be "0456789"', '0456789',
goog.dom.getTextContent(outer).replace(/\s/g, ''));
}
function testRemoveDivCaretRange() {
var outer = goog.dom.getElement('sandbox');
outer.innerHTML = '<div>Test1</div><div></div>';
var range = goog.dom.browserrange.createRangeFromNodes(
outer.lastChild, 0, outer.lastChild, 0);
range.removeContents();
range.insertNode(goog.dom.createDom('span', undefined, 'Hello'), true);
assertEquals('Resulting contents', 'Test1Hello',
goog.dom.getTextContent(outer).replace(/\s/g, ''));
}
function testCollapse() {
var range = goog.dom.browserrange.createRangeFromNodeContents(test2);
assertFalse('Div range is not collapsed', range.isCollapsed());
range.collapse();
assertTrue('Div range is collapsed after call to empty()',
range.isCollapsed());
range = goog.dom.browserrange.createRangeFromNodeContents(empty);
assertTrue('Empty range is collapsed', range.isCollapsed());
range.collapse();
assertTrue('Empty range is still collapsed', range.isCollapsed());
}
function testIdWithSpecialCharacters() {
goog.dom.removeChildren(dynamic);
dynamic.appendChild(goog.dom.createTextNode('1'));
dynamic.appendChild(goog.dom.createDom('div', {id: '<>'}));
dynamic.appendChild(goog.dom.createTextNode('2'));
var range = goog.dom.browserrange.createRangeFromNodes(
dynamic.firstChild, 0, dynamic.lastChild, 1);
// Difference in special character handling is ok.
assertContains('Should have correct html fragment',
normalizeHtml(range.getHtmlFragment()),
[
'1<div id=<>></div>2', // IE
'1<div id=<>></div>2', // WebKit
'1<div id=<>></div>2' // Others
]);
}
function testEndOfChildren() {
dynamic.innerHTML =
'<span id="a">123<br>456</span><span id="b">text</span>';
var range = goog.dom.browserrange.createRangeFromNodes(
goog.dom.getElement('a'), 3, goog.dom.getElement('b'), 1);
assertEquals('Should have correct text.', 'text', range.getText());
}
function testEndOfDiv() {
dynamic.innerHTML = '<div id="a">abc</div><div id="b">def</div>';
var a = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(a, 1, a, 1);
var expectedStartNode = a;
var expectedStartOffset = 1;
var expectedEndNode = a;
var expectedEndOffset = 1;
assertEquals('startNode is wrong', expectedStartNode, range.getStartNode());
assertEquals('startOffset is wrong',
expectedStartOffset, range.getStartOffset());
assertEquals('endNode is wrong', expectedEndNode, range.getEndNode());
assertEquals('endOffset is wrong', expectedEndOffset, range.getEndOffset());
}
function testRangeEndingWithBR() {
dynamic.innerHTML = '<span id="a">123<br>456</span>';
var spanElem = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(
spanElem, 0, spanElem, 2);
var htmlText = range.getValidHtml().toLowerCase();
assertContains('Should include BR in HTML.', 'br', htmlText);
assertEquals('Should have correct text.', '123', range.getText());
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Start node should be span', spanElem, startNode);
} else {
assertEquals('Startnode should have text:123',
'123', startNode.nodeValue);
}
assertEquals('Startoffset should be 0', 0, selRange.getStartOffset());
var endNode = selRange.getEndNode();
assertEquals('Endnode should be span', spanElem, endNode);
assertEquals('Endoffset should be 2', 2, selRange.getEndOffset());
}
function testRangeEndingWithBR2() {
dynamic.innerHTML = '<span id="a">123<br></span>';
var spanElem = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(
spanElem, 0, spanElem, 2);
var htmlText = range.getValidHtml().toLowerCase();
assertContains('Should include BR in HTML.', 'br', htmlText);
assertEquals('Should have correct text.', '123', range.getText());
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Start node should be span', spanElem, startNode);
} else {
assertEquals('Start node should have text:123',
'123', startNode.nodeValue);
}
assertEquals('Startoffset should be 0', 0, selRange.getStartOffset());
var endNode = selRange.getEndNode();
if (goog.userAgent.WEBKIT) {
assertEquals('Endnode should have text', '123', endNode.nodeValue);
assertEquals('Endoffset should be 3', 3, selRange.getEndOffset());
} else {
assertEquals('Endnode should be span', spanElem, endNode);
assertEquals('Endoffset should be 2', 2, selRange.getEndOffset());
}
}
function testRangeEndingBeforeBR() {
dynamic.innerHTML = '<span id="a">123<br>456</span>';
var spanElem = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(
spanElem, 0, spanElem, 1);
var htmlText = range.getValidHtml().toLowerCase();
assertNotContains('Should not include BR in HTML.', 'br', htmlText);
assertEquals('Should have correct text.', '123', range.getText());
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Start node should be span', spanElem, startNode);
} else {
assertEquals('Startnode should have text:123',
'123', startNode.nodeValue);
}
assertEquals('Startoffset should be 0', 0, selRange.getStartOffset());
var endNode = selRange.getEndNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Endnode should be span', spanElem, endNode);
assertEquals('Endoffset should be 1', 1, selRange.getEndOffset());
} else {
assertEquals('Endnode should have text:123', '123', endNode.nodeValue);
assertEquals('Endoffset should be 3', 3, selRange.getEndOffset());
}
}
function testRangeStartingWithBR() {
dynamic.innerHTML = '<span id="a">123<br>456</span>';
var spanElem = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(
spanElem, 1, spanElem, 3);
var htmlText = range.getValidHtml().toLowerCase();
assertContains('Should include BR in HTML.', 'br', htmlText);
// Firefox returns '456' as the range text while IE returns '\r\n456'.
// Therefore skipping the text check.
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
assertEquals('Start node should be span', spanElem, startNode);
assertEquals('Startoffset should be 1', 1, selRange.getStartOffset());
var endNode = selRange.getEndNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Endnode should be span', spanElem, endNode);
assertEquals('Endoffset should be 3', 3, selRange.getEndOffset());
} else {
assertEquals('Endnode should have text:456', '456', endNode.nodeValue);
assertEquals('Endoffset should be 3', 3, selRange.getEndOffset());
}
}
function testRangeStartingAfterBR() {
dynamic.innerHTML = '<span id="a">123<br>4567</span>';
var spanElem = goog.dom.getElement('a');
var range = goog.dom.browserrange.createRangeFromNodes(
spanElem, 2, spanElem, 3);
var htmlText = range.getValidHtml().toLowerCase();
assertNotContains('Should not include BR in HTML.', 'br', htmlText);
assertEquals('Should have correct text.', '4567', range.getText());
range.select();
var selRange = goog.dom.Range.createFromWindow();
var startNode = selRange.getStartNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Start node should be span', spanElem, startNode);
assertEquals('Startoffset should be 2', 2, selRange.getStartOffset());
} else {
assertEquals('Startnode should have text:4567',
'4567', startNode.nodeValue);
assertEquals('Startoffset should be 0', 0, selRange.getStartOffset());
}
var endNode = selRange.getEndNode();
if (goog.userAgent.GECKO ||
(goog.userAgent.IE && goog.userAgent.isDocumentMode(9))) {
assertEquals('Endnode should be span', spanElem, endNode);
assertEquals('Endoffset should be 3', 3, selRange.getEndOffset());
} else {
assertEquals('Endnode should have text:4567', '4567', endNode.nodeValue);
assertEquals('Endoffset should be 4', 4, selRange.getEndOffset());
}
}
function testCollapsedRangeBeforeBR() {
dynamic.innerHTML = '<span id="a">123<br>456</span>';
var range = goog.dom.browserrange.createRangeFromNodes(
goog.dom.getElement('a'), 1, goog.dom.getElement('a'), 1);
// Firefox returns <span id="a"></span> as the range HTML while IE returns
// empty string. Therefore skipping the HTML check.
assertEquals('Should have no text.', '', range.getText());
}
function testCollapsedRangeAfterBR() {
dynamic.innerHTML = '<span id="a">123<br>456</span>';
var range = goog.dom.browserrange.createRangeFromNodes(
goog.dom.getElement('a'), 2, goog.dom.getElement('a'), 2);
// Firefox returns <span id="a"></span> as the range HTML while IE returns
// empty string. Therefore skipping the HTML check.
assertEquals('Should have no text.', '', range.getText());
}
function testCompareBrowserRangeEndpoints() {
var outer = goog.dom.getElement('outer');
var inner = goog.dom.getElement('inner');
var range_outer = goog.dom.browserrange.createRangeFromNodeContents(outer);
var range_inner = goog.dom.browserrange.createRangeFromNodeContents(inner);
assertEquals(
"The start of the inner selection should be after the outer.",
1,
range_inner.compareBrowserRangeEndpoints(
range_outer.getBrowserRange(),
goog.dom.RangeEndpoint.START,
goog.dom.RangeEndpoint.START));
assertEquals(
"The start of the inner selection should be before the outer's end.",
-1,
range_inner.compareBrowserRangeEndpoints(
range_outer.getBrowserRange(),
goog.dom.RangeEndpoint.START,
goog.dom.RangeEndpoint.END));
assertEquals(
"The end of the inner selection should be after the outer's start.",
1,
range_inner.compareBrowserRangeEndpoints(
range_outer.getBrowserRange(),
goog.dom.RangeEndpoint.END,
goog.dom.RangeEndpoint.START));
assertEquals(
"The end of the inner selection should be before the outer's end.",
-1,
range_inner.compareBrowserRangeEndpoints(
range_outer.getBrowserRange(),
goog.dom.RangeEndpoint.END,
goog.dom.RangeEndpoint.END));
}
/**
* Regression test for a bug in IeRange.insertNode_ where if the node to be
* inserted was not an element (e.g. a text node), it would clone the node
* in the inserting process but return the original node instead of the newly
* created and inserted node.
*/
function testInsertNodeNonElement() {
dynamic.innerHTML = 'beforeafter';
var range = goog.dom.browserrange.createRangeFromNodes(
dynamic.firstChild, 6, dynamic.firstChild, 6);
var newNode = goog.dom.createTextNode('INSERTED');
var inserted = range.insertNode(newNode, false);
assertEquals('Text should be inserted between "before" and "after"',
'beforeINSERTEDafter',
goog.dom.getRawTextContent(dynamic));
assertEquals('Node returned by insertNode() should be a child of the div' +
' containing the text',
dynamic,
inserted.parentNode)
}
function testSelectOverwritesOldSelection() {
goog.dom.browserrange.createRangeFromNodes(test1, 0, test1, 1).select();
goog.dom.browserrange.createRangeFromNodes(test2, 0, test2, 1).select();
assertEquals('The old selection must be replaced with the new one',
'abc', goog.dom.Range.createFromWindow().getText());
}
// Following testcase is special for IE. The comparison of ranges created in
// testcases with a range over empty span using native inRange fails. So the
// fallback mechanism is needed.
function testGetContainerInTextNodesAroundEmptySpan() {
dynamic.innerHTML = 'abc<span></span>def';
var abc = dynamic.firstChild;
var def = dynamic.lastChild;
var range;
range = goog.dom.browserrange.createRangeFromNodes(abc, 1, abc, 1);
assertEquals('textNode abc should be the range container',
abc, range.getContainer());
assertEquals('textNode abc should be the range start node',
abc, range.getStartNode());
assertEquals('textNode abc should be the range end node',
abc, range.getEndNode());
range = goog.dom.browserrange.createRangeFromNodes(def, 1, def, 1);
assertEquals('textNode def should be the range container',
def, range.getContainer());
assertEquals('textNode def should be the range start node',
def, range.getStartNode());
assertEquals('textNode def should be the range end node',
def, range.getEndNode());
}
</script>
</body>
</html>
|
