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gecko-dev/layout/generic/test/test_bug348681.html

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<!DOCTYPE HTML>
<!-- ***** BEGIN LICENSE BLOCK *****
- Version: MPL 1.1/GPL 2.0/LGPL 2.1
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- The contents of this file are subject to the Mozilla Public License Version
- 1.1 (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
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- Software distributed under the License is distributed on an "AS IS" basis,
- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- for the specific language governing rights and limitations under the
- License.
-
- The Original Code is Selection Test code
-
- The Initial Developer of the Original Code is
- Graeme McCutcheon <graememcc_firefox@graeme-online.co.uk>.
- Portions created by the Initial Developer are Copyright (C) 2009
- the Initial Developer. All Rights Reserved.
-
- Contributor(s):
-
-
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- either the GNU General Public License Version 2 or later (the "GPL"), or
- the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=348681
-->
<head>
<title>Test for Bug 348681</head>
<script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body onload="doTest();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=348681">Mozilla Bug 348681</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 348681 **/
SimpleTest.waitForExplicitFinish();
var rangeChecker = {
ranges: [],
reset: function() {
this.ranges = [];
},
check: function(testID, selection) {
is(selection.rangeCount, this.ranges.length,
"Test "+testID+": correct number of ranges in selection");
var rangesMatch = true;
var foundMsg = "Found ";
var expectedMsg = "Expected ";
var maxIndex = Math.max(selection.rangeCount, this.ranges.length);
for (var x = 0; x < maxIndex; x++) {
var expect = null;
if (x < this.ranges.length)
expect = this.ranges[x];
var found = null;
if (x < selection.rangeCount)
found = selection.getRangeAt(x);
if (found) {
foundMsg +="["+found.startOffset+","+found.endOffset+"] ";
} else {
foundMsg +="[] ";
}
if (expect) {
expectedMsg +="["+expect.start+","+expect.end+"] ";
} else {
expectedMsg+="[] ";
}
if (found && expect) {
if (found.startContainer != expect.node ||
found.endContainer != expect.node ||
found.startOffset != expect.start ||
found.endOffset != expect.end)
rangesMatch = false;
} else {
rangesMatch = false;
}
}
var okMsg = "Test "+testID+": correct ranges in selection.";
okMsg = okMsg + foundMsg + expectedMsg;
ok(rangesMatch, okMsg);
},
addExpected: function(node, start, end) {
var expected = {};
expected.node = node;
expected.start = start;
expected.end = end;
this.ranges[this.ranges.length] = expected;
this.ranges.sort(function(a,b) {return a.start - b.start;});
}
}
function doTest() {
var testNode = document.getElementById("testparagraph").firstChild;
var selection = window.getSelection();
selection.removeAllRanges();
ok(selection.rangeCount == 0, "Test 0 - No selections so far");
// Test 1. Add a single range, to ensure we've not broken anything
var range1 = document.createRange();
range1.setStart(testNode, 0);
range1.setEnd(testNode, 5);
selection.addRange(range1);
rangeChecker.addExpected(testNode, 0, 5);
rangeChecker.check(1, selection);
// Test 2. Add a non-overlapping range, to ensure it gets added too
var range2 = document.createRange();
range2.setStart(testNode, 8);
range2.setEnd(testNode, 10);
selection.addRange(range2);
rangeChecker.addExpected(testNode, 8, 10);
rangeChecker.check(2, selection);
// Test 3. Add the same range again. This should silently succeed
selection.addRange(range2);
rangeChecker.check(3, selection);
// Test 4. Add a range that is left-adjacent to an existing range
var range3 = document.createRange();
range3.setStart(testNode, 6);
range3.setEnd(testNode, 8);
selection.addRange(range3);
rangeChecker.addExpected(testNode, 6, 8);
rangeChecker.check(4, selection);
// Test 5. Add a range that is right-adjacent to an existing range
var range4 = document.createRange();
range4.setStart(testNode, 10);
range4.setEnd(testNode, 12);
selection.addRange(range4);
rangeChecker.addExpected(testNode, 10, 12);
rangeChecker.check(5, selection);
// Test 6. Add a range, add a second range that overlaps it
var range5 = document.createRange();
range5.setStart(testNode, 20);
range5.setEnd(testNode, 25);
selection.addRange(range5);
var range6 = document.createRange();
range6.setStart(testNode, 23);
range6.setEnd(testNode, 26);
selection.addRange(range6);
rangeChecker.addExpected(testNode, 20, 23);
rangeChecker.addExpected(testNode, 23, 26);
rangeChecker.check(6, selection);
// Test 7. Add a range, and this time a left-hand overlap
var range7 = document.createRange();
range7.setStart(testNode, 30);
range7.setEnd(testNode, 35);
selection.addRange(range7);
var range8 = document.createRange();
range8.setStart(testNode, 28);
range8.setEnd(testNode, 31);
selection.addRange(range8);
rangeChecker.addExpected(testNode, 31, 35);
rangeChecker.addExpected(testNode, 28, 31);
rangeChecker.check(7, selection);
// Test 8. Add a range, and add a second range wholly contained
// within it
var range9 = document.createRange();
range9.setStart(testNode, 40);
range9.setEnd(testNode, 50);
selection.addRange(range9);
var range10 = document.createRange();
range10.setStart(testNode, 43);
range10.setEnd(testNode, 47);
selection.addRange(range10);
rangeChecker.addExpected(testNode, 40, 43);
rangeChecker.addExpected(testNode, 43, 47);
rangeChecker.addExpected(testNode, 47, 50);
rangeChecker.check(8, selection);
// Test 9. Add a range that will wholly contain some existing ranges
rangeChecker.reset();
selection.removeAllRanges();
var range11 = document.createRange();
range11.setStart(testNode, 5);
range11.setEnd(testNode, 7);
selection.addRange(range11);
var range12 = document.createRange();
range12.setStart(testNode, 9);
range12.setEnd(testNode, 11);
selection.addRange(range12);
var range13 = document.createRange();
range13.setStart(testNode, 4);
range13.setEnd(testNode, 12);
selection.addRange(range13);
rangeChecker.addExpected(testNode, 4, 12);
rangeChecker.check(9, selection);
// Test 10. This time with the last range being a partial overlap
selection.removeAllRanges();
selection.addRange(range11);
selection.addRange(range12);
var range14 = document.createRange();
range14.setStart(testNode, 11);
range14.setEnd(testNode, 14);
selection.addRange(range14);
selection.addRange(range13);
rangeChecker.addExpected(testNode, 12, 14);
rangeChecker.check(10, selection);
// Test 11. Check we can add a collapsed range without problem
selection.removeAllRanges();
rangeChecker.reset();
range1.collapse(true);
selection.addRange(range1);
rangeChecker.addExpected(testNode, 0, 0);
rangeChecker.check(11, selection);
// Test 12. Check GetRangesForInterval returns correct results
// part 1 - non-adjacency
selection.removeAllRanges();
selection.addRange(range2);
selection.addRange(range3);
selection.addRange(range4);
var sel2 = selection.QueryInterface(Components.interfaces.nsISelection2);
ok(sel2, "Test 12 - QIed to instance of nsISelection2 interface");
var numResults = {};
var results = sel2.GetRangesForInterval(testNode, 8, testNode, 10,
false, numResults);
is(numResults.value, 1, "Test 12 - Correct number of ranges returned");
var result = results[0];
var correctNode = result.startContainer == testNode &&
result.endContainer == testNode &&
result.startOffset == 8 && result.endOffset == 10;
ok(correctNode, "Test 12 - Correct range returned");
// Test 13. Check GetRangesForInterval returns correct results
// part 2 - adjacent ranges allowed
numResults = {};
results = sel2.GetRangesForInterval(testNode, 8, testNode, 10,
true, numResults);
is(numResults.value, 3, "Test 13 - Correct number of ranges returned");
correctNode = true;
for (var x = 0; x < numResults.value; x++) {
var result = results[x];
var correct = result.startContainer == testNode &&
result.endContainer == testNode &&
result.startOffset == (2*x+6) &&
result.endOffset == (2*x+8);
correctNode = correctNode && correct;
}
ok(correctNode, "Test 13 - Correct ranges returned");
// Test 14. Check GetRangesForInterval returns correct results
// part 3 - no ranges in interval
numResults = {};
results = sel2.GetRangesForInterval(testNode, 14, testNode, 16,
true, numResults);
is(numResults.value, 0, "Test 14 - Correct number of ranges returned");
// Test 15. Check that when adding a range where after overlap
// adjustment an exisiting range would collapse that the collapsed range
// is removed - part 1 (LHS)
selection.removeAllRanges();
rangeChecker.reset();
selection.addRange(range2);
var range15 = document.createRange();
range15.setStart(testNode, 6);
range15.setEnd(testNode, 10);
selection.addRange(range15);
rangeChecker.addExpected(testNode, 6, 10);
rangeChecker.check(15, selection);
// Test 16. Check that when adding a range where after overlap
// adjustment an exisiting range would collapse that the collapsed range
// is removed - part 2 (RHS)
selection.removeAllRanges();
rangeChecker.reset();
selection.addRange(range2);
var range16 = document.createRange();
range16.setStart(testNode, 8);
range16.setEnd(testNode, 12);
selection.addRange(range16);
rangeChecker.addExpected(testNode, 8, 12);
rangeChecker.check(16, selection);
SimpleTest.finish();
}
</script>
</pre>
<p id="testparagraph">
This will be the first child of the p node above. The intention is that it is a suitably long text node to which we can add multiple ranges in order to test the various aspects of the bug.
</p>
</body>
</html>
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