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<!doctype html>
<title>Range.cloneRange() and document.createRange() tests</title>
<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>
<meta name=timeout content=long>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../common.js></script>
<script>
"use strict";
function testCloneRange(rangeEndpoints) {
var range;
if (rangeEndpoints == "detached") {
range = document.createRange();
range.detach();
var clonedRange = range.cloneRange();
assert_equals(clonedRange.startContainer, range.startContainer,
"startContainers must be equal after cloneRange()");
assert_equals(clonedRange.startOffset, range.startOffset,
"startOffsets must be equal after cloneRange()");
assert_equals(clonedRange.endContainer, range.endContainer,
"endContainers must be equal after cloneRange()");
assert_equals(clonedRange.endOffset, range.endOffset,
"endOffsets must be equal after cloneRange()");
return;
}
// Have to account for Ranges involving Documents! We could just create
// the Range from the current document unconditionally, but some browsers
// (WebKit) don't implement setStart() and setEnd() per spec and will throw
// spurious exceptions at the time of this writing. No need to mask other
// bugs.
var ownerDoc = rangeEndpoints[0].nodeType == Node.DOCUMENT_NODE
? rangeEndpoints[0]
: rangeEndpoints[0].ownerDocument;
range = ownerDoc.createRange();
// Here we throw in some createRange() tests, because why not. Have to
// test it someplace.
assert_equals(range.startContainer, ownerDoc,
"doc.createRange() must create Range whose startContainer is doc");
assert_equals(range.endContainer, ownerDoc,
"doc.createRange() must create Range whose endContainer is doc");
assert_equals(range.startOffset, 0,
"doc.createRange() must create Range whose startOffset is 0");
assert_equals(range.endOffset, 0,
"doc.createRange() must create Range whose endOffset is 0");
range.setStart(rangeEndpoints[0], rangeEndpoints[1]);
range.setEnd(rangeEndpoints[2], rangeEndpoints[3]);
// Make sure we bail out now if setStart or setEnd are buggy, so it doesn't
// create misleading failures later.
assert_equals(range.startContainer, rangeEndpoints[0],
"Sanity check on setStart()");
assert_equals(range.startOffset, rangeEndpoints[1],
"Sanity check on setStart()");
assert_equals(range.endContainer, rangeEndpoints[2],
"Sanity check on setEnd()");
assert_equals(range.endOffset, rangeEndpoints[3],
"Sanity check on setEnd()");
var clonedRange = range.cloneRange();
assert_equals(clonedRange.startContainer, range.startContainer,
"startContainers must be equal after cloneRange()");
assert_equals(clonedRange.startOffset, range.startOffset,
"startOffsets must be equal after cloneRange()");
assert_equals(clonedRange.endContainer, range.endContainer,
"endContainers must be equal after cloneRange()");
assert_equals(clonedRange.endOffset, range.endOffset,
"endOffsets must be equal after cloneRange()");
// Make sure that modifying one doesn't affect the other.
var testNode1 = ownerDoc.createTextNode("testing");
var testNode2 = ownerDoc.createTextNode("testing with different length");
range.setStart(testNode1, 1);
range.setEnd(testNode1, 2);
assert_equals(clonedRange.startContainer, rangeEndpoints[0],
"Modifying a Range must not modify its clone's startContainer");
assert_equals(clonedRange.startOffset, rangeEndpoints[1],
"Modifying a Range must not modify its clone's startOffset");
assert_equals(clonedRange.endContainer, rangeEndpoints[2],
"Modifying a Range must not modify its clone's endContainer");
assert_equals(clonedRange.endOffset, rangeEndpoints[3],
"Modifying a Range must not modify its clone's endOffset");
clonedRange.setStart(testNode2, 3);
clonedRange.setStart(testNode2, 4);
assert_equals(range.startContainer, testNode1,
"Modifying a clone must not modify the original Range's startContainer");
assert_equals(range.startOffset, 1,
"Modifying a clone must not modify the original Range's startOffset");
assert_equals(range.endContainer, testNode1,
"Modifying a clone must not modify the original Range's endContainer");
assert_equals(range.endOffset, 2,
"Modifying a clone must not modify the original Range's endOffset");
}
var tests = [];
for (var i = 0; i < testRanges.length; i++) {
tests.push([
"Range " + i + " " + testRanges[i],
eval(testRanges[i])
]);
}
generate_tests(testCloneRange, tests);
testDiv.style.display = "none";
</script>
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