Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- Manifest: layout/generic/test/mochitest.toml
<!DOCTYPE HTML>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
<html>
<!--
-->
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body onload="loaded()">
<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">
SimpleTest.waitForExplicitFinish();
function loaded() {
SpecialPowers.pushPrefEnv({"set": [["dom.testing.selection.GetRangesForInterval", true]]}, doTest);
}
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+"] ";
}
if (expect) {
expectedMsg +="["+expect.start+","+expect.end+"] ";
}
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;});
}
}
var intervalChecker = {
ranges: [],
reset: function() {
this.ranges = [];
},
check: function(testID, testArr) {
is(testArr.length, this.ranges.length,
"Test "+testID+": correct number of ranges for interval");
var rangesMatch = true;
var foundMsg = "Found ";
var expectedMsg = "Expected ";
var maxIndex = Math.max(testArr.length, 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 < testArr.length) {
// testArr may contain the results coming from
// Selection.GetRangesForInterval(), which are
// wrappers for the underlying objects, therefore we may
// need to unwrap them before comparing them with the
// expected objects.
found = SpecialPowers.unwrap(testArr[x]);
}
if (found) {
foundMsg +="["+found.startOffset+","+found.endOffset+"] ";
}
if (expect) {
expectedMsg +="["+expect.start+","+expect.end+"] ";
}
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 for interval.";
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.
selection.removeRange(range2);
selection.addRange(range2);
rangeChecker.check(5, selection);
// Test 6. Add a range, add a second range that overlaps it.
rangeChecker.reset();
selection.removeAllRanges();
selection.addRange(range2);
var range4 = document.createRange();
range4.setStart(testNode, 9);
range4.setEnd(testNode, 11);
selection.addRange(range4);
rangeChecker.addExpected(testNode, 8, 9);
rangeChecker.addExpected(testNode, 9, 11);
rangeChecker.check(6, selection);
// Test 7. Add a range, and this time a left-hand overlap.
rangeChecker.reset();
selection.removeAllRanges();
var range5 = document.createRange();
range5.setStart(testNode, 5);
range5.setEnd(testNode, 7);
selection.addRange(range3);
selection.addRange(range5);
rangeChecker.addExpected(testNode, 5, 7);
rangeChecker.addExpected(testNode, 7, 8);
rangeChecker.check(7, selection);
// Test 8. Add a range, and add a second range wholly contained
// within it.
rangeChecker.reset();
selection.removeAllRanges();
var range6 = document.createRange();
range6.setStart(testNode, 0);
range6.setEnd(testNode, 10);
selection.addRange(range6);
selection.addRange(range5);
rangeChecker.addExpected(testNode, 0, 5);
rangeChecker.addExpected(testNode, 5, 7);
rangeChecker.addExpected(testNode, 7, 10);
rangeChecker.check(8, selection);
// Test 9. Add a range that will wholly contain some existing ranges.
rangeChecker.reset();
selection.addRange(range6);
rangeChecker.addExpected(testNode, 0, 10);
rangeChecker.check(9, selection);
// Test 10. This time with the last range being a partial overlap.
selection.removeAllRanges();
selection.addRange(range1);
selection.addRange(range3);
selection.addRange(range4);
selection.addRange(range6);
rangeChecker.addExpected(testNode, 10, 11);
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 we can add a collapsed range twice without a problem.
// Part 1 - No other ranges present.
selection.addRange(range1);
rangeChecker.check(12, selection);
// Test 13. Check we can add a collapsed range twice without problem.
// Part 2 - Collapsed range is before all existing ranges.
selection.removeAllRanges();
rangeChecker.reset();
selection.addRange(range2);
selection.addRange(range1);
selection.addRange(range1);
rangeChecker.addExpected(testNode, 0, 0);
rangeChecker.addExpected(testNode, 8, 10);
rangeChecker.check(13, selection);
// Test 14. Check we can add a collapsed range twice without problem.
// Part 3 - Collapsed range is after all existing ranges.
selection.removeAllRanges();
rangeChecker.reset();
selection.addRange(range3);
range4.collapse(false);
selection.addRange(range3);
selection.addRange(range4);
rangeChecker.addExpected(testNode, 6, 8);
rangeChecker.addExpected(testNode, 11, 11);
rangeChecker.check(14, selection);
// 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 range7 = document.createRange();
range7.setStart(testNode, 6);
range7.setEnd(testNode, 10);
selection.addRange(range7);
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();
selection.addRange(range3);
selection.addRange(range7);
rangeChecker.check(16, selection);
// Test 17. Check GetRangesForInterval returns correct results.
// Part 1 - Test interval matches a range, adjacency not allowed.
selection.removeAllRanges();
selection.addRange(range2);
selection.addRange(range3);
var range8 = document.createRange();
range8.setStart(testNode, 10);
range8.setEnd(testNode, 12);
selection.addRange(range8);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 8, 10);
var privSel = SpecialPowers.wrap(selection);
var results = privSel.GetRangesForInterval(testNode, 8, testNode, 10,
false);
intervalChecker.check(17, results);
// Test 18. Check GetRangesForInterval returns correct results.
// Part 2 - Test interval matches a range, adjacent ranges allowed.
intervalChecker.addExpected(testNode, 6, 8);
intervalChecker.addExpected(testNode, 10, 12);
results = privSel.GetRangesForInterval(testNode, 8, testNode, 10,
true);
intervalChecker.check(18, results);
// Test 19. Check GetRangesForInterval returns correct results.
// Part 3 - Test interval not selected.
intervalChecker.reset();
results = privSel.GetRangesForInterval(testNode, 14, testNode, 16,
true);
intervalChecker.check(19, results);
// Test 20. Check GetRangesForInterval returns correct results.
// Part 4 - Test interval is not equal to, and entirely contained in
// an existing range.
selection.removeAllRanges();
selection.addRange(range6);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 0, 10);
results = privSel.GetRangesForInterval(testNode, 5, testNode, 7,
true);
intervalChecker.check(20, results);
// Test 21. Check GetRangesForInterval returns correct results.
// Part 5 - Test interval is not equal to, and entirely contains an
// existing range.
selection.removeAllRanges();
selection.addRange(range3);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 6, 8);
results = privSel.GetRangesForInterval(testNode, 5, testNode, 9,
true);
intervalChecker.check(21, results);
// Test 22. Check GetRangesForInterval returns correct results.
// Part 6 - Test interval is end-adjacent to range at position 0 in
// the range array, and adjacencies permitted.
selection.removeAllRanges();
selection.addRange(range2);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 8, 10);
results = privSel.GetRangesForInterval(testNode, 6, testNode, 8,
true);
intervalChecker.check(22, results);
// Test 23. Check GetRangesForInterval returns correct results.
// Part 7 - Test interval is end-adjacent to range at position 0 in
// the range array, and adjacencies not permitted.
intervalChecker.reset();
results = privSel.GetRangesForInterval(testNode, 6, testNode, 8,
false);
intervalChecker.check(23, results);
// Test 24. Check GetRangesForInterval returns correct results.
// Part 8 - Test interval is start-adjacent to last range in array,
// and adjacencies permitted.
intervalChecker.addExpected(testNode, 8, 10);
results = privSel.GetRangesForInterval(testNode, 10, testNode, 12,
true);
intervalChecker.check(24, results);
// Test 25. Check GetRangesForInterval returns correct results.
// Part 9 - Test interval is start-adjacent to last range in array,
// and adjacencies not permitted.
intervalChecker.reset();
results = privSel.GetRangesForInterval(testNode, 10, testNode, 12,
false);
intervalChecker.check(25, results);
// Test 26. Check GetRangesForInterval returns correct results.
// Part 10 - Test interval is equal to a collapsed range at position 0
// in the range array, and adjacencies permitted.
selection.removeAllRanges();
selection.addRange(range4);
intervalChecker.addExpected(testNode, 11, 11);
results = privSel.GetRangesForInterval(testNode, 11, testNode, 11,
true);
intervalChecker.check(26, results);
// Test 27. Check GetRangesForInterval returns correct results.
// Part 11 - Test interval is equal to a collapsed range at position 0
// in the range array, and adjacencies not permitted.
results = privSel.GetRangesForInterval(testNode, 11, testNode, 11,
false);
intervalChecker.check(27, results);
// Test 28. Check GetRangesForInterval returns correct results.
// Part 12 - Test interval is equal to a collapsed range at end of the
// range array, and adjacencies permitted.
selection.removeAllRanges();
selection.addRange(range2);
selection.addRange(range4);
results = privSel.GetRangesForInterval(testNode, 11, testNode, 11,
true);
intervalChecker.check(28, results);
// Test 29. Check GetRangesForInterval returns correct results.
// Part 13 - Test interval is equal to a collapsed range at end of the
// range array, and adjacencies not permitted.
results = privSel.GetRangesForInterval(testNode, 11, testNode, 11,
false);
intervalChecker.check(29, results);
// Test 30. Check GetRangesForInterval returns correct results.
// Part 14 - Test interval is a collapsed range contained in an
// existing range.
selection.removeAllRanges();
selection.addRange(range3);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 6, 8);
results = privSel.GetRangesForInterval(testNode, 7, testNode, 7,
true);
intervalChecker.check(30, results);
// Test 31. Check GetRangesForInterval returns correct results.
// Part 15 - Test interval equals a collapsed range which is not stored
// at either endpoint of the selection's range array,
// adjacencies not allowed.
selection.removeAllRanges();
range3.collapse(false);
selection.addRange(range5);
selection.addRange(range3);
selection.addRange(range8);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 8, 8);
results = privSel.GetRangesForInterval(testNode, 8, testNode, 8,
false);
intervalChecker.check(31, results);
// Test 32. Check GetRangesForInterval returns correct results.
// Part 16 - Test interval equals a collapsed range which is not stored
// at either endpoint of the selection's range array,
// adjacencies allowed.
results = privSel.GetRangesForInterval(testNode, 8, testNode, 8,
true);
intervalChecker.check(32, results);
// Test 33. Check GetRangesForInterval returns correct results.
// Part 17 - Test interval contains a collapsed range which is not
// stored at either endpoint of the selection's range array.
results = privSel.GetRangesForInterval(testNode, 7, testNode, 9,
false);
intervalChecker.check(33, results);
// Test 34. Check GetRangesForInterval returns correct results.
// Part 18 - Test interval left-ovelaps an existing range.
intervalChecker.reset();
intervalChecker.addExpected(testNode, 5, 7);
results = privSel.GetRangesForInterval(testNode, 2, testNode, 6,
true);
intervalChecker.check(34, results);
// Test 35. Check GetRangesForInterval returns correct results.
// Part 19 - Test interval right-ovelaps an existing range.
selection.removeAllRanges();
selection.addRange(range8);
intervalChecker.reset();
intervalChecker.addExpected(testNode, 10, 12);
results = privSel.GetRangesForInterval(testNode, 11, testNode, 13,
true);
intervalChecker.check(35, results);
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>