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Diffstat (limited to 'testing/web-platform/tests/dom/ranges/Range-cloneRange.html')
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1 files changed, 112 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/ranges/Range-cloneRange.html b/testing/web-platform/tests/dom/ranges/Range-cloneRange.html new file mode 100644 index 0000000000..6c736df29f --- /dev/null +++ b/testing/web-platform/tests/dom/ranges/Range-cloneRange.html @@ -0,0 +1,112 @@ +<!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> |