dom/imptests/editing/selecttest/test_collapseToStartEnd.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/imptests/editing/selecttest/test_collapseToStartEnd.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,121 @@
     1.4 +<!doctype html>
     1.5 +<title>Selection.collapseTo(Start|End)() tests</title>
     1.6 +<div id=log></div>
     1.7 +<script src=/resources/testharness.js></script>
     1.8 +<script src=/resources/testharnessreport.js></script>
     1.9 +<script src=common.js></script>
    1.10 +<script>
    1.11 +"use strict";
    1.12 +
    1.13 +// Also test a selection with no ranges
    1.14 +testRanges.unshift("[]");
    1.15 +
    1.16 +for (var i = 0; i < testRanges.length; i++) {
    1.17 +	test(function() {
    1.18 +		selection.removeAllRanges();
    1.19 +		var endpoints = eval(testRanges[i]);
    1.20 +		if (!endpoints.length) {
    1.21 +			assert_throws("INVALID_STATE_ERR", function() {
    1.22 +				selection.collapseToStart();
    1.23 +			}, "Must throw InvalidStateErr if the selection's range is null");
    1.24 +			return;
    1.25 +		}
    1.26 +
    1.27 +		var addedRange = ownerDocument(endpoints[0]).createRange();
    1.28 +		addedRange.setStart(endpoints[0], endpoints[1]);
    1.29 +		addedRange.setEnd(endpoints[2], endpoints[3]);
    1.30 +		selection.addRange(addedRange);
    1.31 +
    1.32 +		// We don't penalize browsers here for mishandling addRange() and
    1.33 +		// adding a different range than we specified.  They fail addRange()
    1.34 +		// tests for that, and don't have to fail collapseToStart/End() tests
    1.35 +		// too.  They do fail if they throw unexpectedly, though.  I also fail
    1.36 +		// them if there's no range at all, because otherwise they could pass
    1.37 +		// all tests if addRange() always does nothing and collapseToStart()
    1.38 +		// always throws.
    1.39 +		assert_equals(selection.rangeCount, 1,
    1.40 +			"Sanity check: rangeCount must equal 1 after addRange()");
    1.41 +
    1.42 +		var expectedEndpoint = [
    1.43 +			selection.getRangeAt(0).startContainer,
    1.44 +			selection.getRangeAt(0).startOffset
    1.45 +		];
    1.46 +
    1.47 +		selection.collapseToStart();
    1.48 +
    1.49 +		assert_equals(selection.rangeCount, 1,
    1.50 +			"selection.rangeCount must equal 1");
    1.51 +		assert_equals(selection.focusNode, expectedEndpoint[0],
    1.52 +			"focusNode must equal the original start node");
    1.53 +		assert_equals(selection.focusOffset, expectedEndpoint[1],
    1.54 +			"focusOffset must equal the original start offset");
    1.55 +		assert_equals(selection.anchorNode, expectedEndpoint[0],
    1.56 +			"anchorNode must equal the original start node");
    1.57 +		assert_equals(selection.anchorOffset, expectedEndpoint[1],
    1.58 +			"anchorOffset must equal the original start offset");
    1.59 +		assert_equals(addedRange.startContainer, endpoints[0],
    1.60 +			"collapseToStart() must not change the startContainer of the selection's original range");
    1.61 +		assert_equals(addedRange.startOffset, endpoints[1],
    1.62 +			"collapseToStart() must not change the startOffset of the selection's original range");
    1.63 +		assert_equals(addedRange.endContainer, endpoints[2],
    1.64 +			"collapseToStart() must not change the endContainer of the selection's original range");
    1.65 +		assert_equals(addedRange.endOffset, endpoints[3],
    1.66 +			"collapseToStart() must not change the endOffset of the selection's original range");
    1.67 +	}, "Range " + i + " " + testRanges[i] + " collapseToStart()");
    1.68 +
    1.69 +	// Copy-paste of above
    1.70 +	test(function() {
    1.71 +		selection.removeAllRanges();
    1.72 +		var endpoints = eval(testRanges[i]);
    1.73 +		if (!endpoints.length) {
    1.74 +			assert_throws("INVALID_STATE_ERR", function() {
    1.75 +				selection.collapseToEnd();
    1.76 +			}, "Must throw InvalidStateErr if the selection's range is null");
    1.77 +			return;
    1.78 +		}
    1.79 +
    1.80 +		var addedRange = ownerDocument(endpoints[0]).createRange();
    1.81 +		addedRange.setStart(endpoints[0], endpoints[1]);
    1.82 +		addedRange.setEnd(endpoints[2], endpoints[3]);
    1.83 +		selection.addRange(addedRange);
    1.84 +
    1.85 +		// We don't penalize browsers here for mishandling addRange() and
    1.86 +		// adding a different range than we specified.  They fail addRange()
    1.87 +		// tests for that, and don't have to fail collapseToStart/End() tests
    1.88 +		// too.  They do fail if they throw unexpectedly, though.  I also fail
    1.89 +		// them if there's no range at all, because otherwise they could pass
    1.90 +		// all tests if addRange() always does nothing and collapseToStart()
    1.91 +		// always throws.
    1.92 +		assert_equals(selection.rangeCount, 1,
    1.93 +			"Sanity check: rangeCount must equal 1 after addRange()");
    1.94 +
    1.95 +		var expectedEndpoint = [
    1.96 +			selection.getRangeAt(0).endContainer,
    1.97 +			selection.getRangeAt(0).endOffset
    1.98 +		];
    1.99 +
   1.100 +		selection.collapseToEnd();
   1.101 +
   1.102 +		assert_equals(selection.rangeCount, 1,
   1.103 +			"selection.rangeCount must equal 1");
   1.104 +		assert_equals(selection.focusNode, expectedEndpoint[0],
   1.105 +			"focusNode must equal the original end node");
   1.106 +		assert_equals(selection.focusOffset, expectedEndpoint[1],
   1.107 +			"focusOffset must equal the original end offset");
   1.108 +		assert_equals(selection.anchorNode, expectedEndpoint[0],
   1.109 +			"anchorNode must equal the original end node");
   1.110 +		assert_equals(selection.anchorOffset, expectedEndpoint[1],
   1.111 +			"anchorOffset must equal the original end offset");
   1.112 +		assert_equals(addedRange.startContainer, endpoints[0],
   1.113 +			"collapseToEnd() must not change the startContainer of the selection's original range");
   1.114 +		assert_equals(addedRange.startOffset, endpoints[1],
   1.115 +			"collapseToEnd() must not change the startOffset of the selection's original range");
   1.116 +		assert_equals(addedRange.endContainer, endpoints[2],
   1.117 +			"collapseToEnd() must not change the endContainer of the selection's original range");
   1.118 +		assert_equals(addedRange.endOffset, endpoints[3],
   1.119 +			"collapseToEnd() must not change the endOffset of the selection's original range");
   1.120 +	}, "Range " + i + " " + testRanges[i] + " collapseToEnd()");
   1.121 +}
   1.122 +
   1.123 +testDiv.style.display = "none";
   1.124 +</script>

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