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| 1 <!doctype html> |
| 2 <title>Selection.collapseTo(Start|End)() tests</title> |
| 3 <div id=log></div> |
| 4 <script src=/resources/testharness.js></script> |
| 5 <script src=/resources/testharnessreport.js></script> |
| 6 <script src=common.js></script> |
| 7 <script> |
| 8 "use strict"; |
| 9 |
| 10 // Also test a selection with no ranges |
| 11 testRanges.unshift("[]"); |
| 12 |
| 13 for (var i = 0; i < testRanges.length; i++) { |
| 14 test(function() { |
| 15 selection.removeAllRanges(); |
| 16 var endpoints = eval(testRanges[i]); |
| 17 if (!endpoints.length) { |
| 18 assert_throws("INVALID_STATE_ERR", function() { |
| 19 selection.collapseToStart(); |
| 20 }, "Must throw InvalidStateErr if the selection's range is null"); |
| 21 return; |
| 22 } |
| 23 |
| 24 var addedRange = ownerDocument(endpoints[0]).createRange(); |
| 25 addedRange.setStart(endpoints[0], endpoints[1]); |
| 26 addedRange.setEnd(endpoints[2], endpoints[3]); |
| 27 selection.addRange(addedRange); |
| 28 |
| 29 // We don't penalize browsers here for mishandling addRange() and |
| 30 // adding a different range than we specified. They fail addRange() |
| 31 // tests for that, and don't have to fail collapseToStart/End() tests |
| 32 // too. They do fail if they throw unexpectedly, though. I also fail |
| 33 // them if there's no range at all, because otherwise they could pass |
| 34 // all tests if addRange() always does nothing and collapseToStart() |
| 35 // always throws. |
| 36 assert_equals(selection.rangeCount, 1, |
| 37 "Sanity check: rangeCount must equal 1 after addRange()"); |
| 38 |
| 39 var expectedEndpoint = [ |
| 40 selection.getRangeAt(0).startContainer, |
| 41 selection.getRangeAt(0).startOffset |
| 42 ]; |
| 43 |
| 44 selection.collapseToStart(); |
| 45 |
| 46 assert_equals(selection.rangeCount, 1, |
| 47 "selection.rangeCount must equal 1"); |
| 48 assert_equals(selection.focusNode, expectedEndpoint[0], |
| 49 "focusNode must equal the original start node"); |
| 50 assert_equals(selection.focusOffset, expectedEndpoint[1], |
| 51 "focusOffset must equal the original start offset"); |
| 52 assert_equals(selection.anchorNode, expectedEndpoint[0], |
| 53 "anchorNode must equal the original start node"); |
| 54 assert_equals(selection.anchorOffset, expectedEndpoint[1], |
| 55 "anchorOffset must equal the original start offset"); |
| 56 assert_equals(addedRange.startContainer, endpoints[0], |
| 57 "collapseToStart() must not change the startContainer of the selecti
on's original range"); |
| 58 assert_equals(addedRange.startOffset, endpoints[1], |
| 59 "collapseToStart() must not change the startOffset of the selection'
s original range"); |
| 60 assert_equals(addedRange.endContainer, endpoints[2], |
| 61 "collapseToStart() must not change the endContainer of the selection
's original range"); |
| 62 assert_equals(addedRange.endOffset, endpoints[3], |
| 63 "collapseToStart() must not change the endOffset of the selection's
original range"); |
| 64 }, "Range " + i + " " + testRanges[i] + " collapseToStart()"); |
| 65 |
| 66 // Copy-paste of above |
| 67 test(function() { |
| 68 selection.removeAllRanges(); |
| 69 var endpoints = eval(testRanges[i]); |
| 70 if (!endpoints.length) { |
| 71 assert_throws("INVALID_STATE_ERR", function() { |
| 72 selection.collapseToEnd(); |
| 73 }, "Must throw InvalidStateErr if the selection's range is null"); |
| 74 return; |
| 75 } |
| 76 |
| 77 var addedRange = ownerDocument(endpoints[0]).createRange(); |
| 78 addedRange.setStart(endpoints[0], endpoints[1]); |
| 79 addedRange.setEnd(endpoints[2], endpoints[3]); |
| 80 selection.addRange(addedRange); |
| 81 |
| 82 // We don't penalize browsers here for mishandling addRange() and |
| 83 // adding a different range than we specified. They fail addRange() |
| 84 // tests for that, and don't have to fail collapseToStart/End() tests |
| 85 // too. They do fail if they throw unexpectedly, though. I also fail |
| 86 // them if there's no range at all, because otherwise they could pass |
| 87 // all tests if addRange() always does nothing and collapseToStart() |
| 88 // always throws. |
| 89 assert_equals(selection.rangeCount, 1, |
| 90 "Sanity check: rangeCount must equal 1 after addRange()"); |
| 91 |
| 92 var expectedEndpoint = [ |
| 93 selection.getRangeAt(0).endContainer, |
| 94 selection.getRangeAt(0).endOffset |
| 95 ]; |
| 96 |
| 97 selection.collapseToEnd(); |
| 98 |
| 99 assert_equals(selection.rangeCount, 1, |
| 100 "selection.rangeCount must equal 1"); |
| 101 assert_equals(selection.focusNode, expectedEndpoint[0], |
| 102 "focusNode must equal the original end node"); |
| 103 assert_equals(selection.focusOffset, expectedEndpoint[1], |
| 104 "focusOffset must equal the original end offset"); |
| 105 assert_equals(selection.anchorNode, expectedEndpoint[0], |
| 106 "anchorNode must equal the original end node"); |
| 107 assert_equals(selection.anchorOffset, expectedEndpoint[1], |
| 108 "anchorOffset must equal the original end offset"); |
| 109 assert_equals(addedRange.startContainer, endpoints[0], |
| 110 "collapseToEnd() must not change the startContainer of the selection
's original range"); |
| 111 assert_equals(addedRange.startOffset, endpoints[1], |
| 112 "collapseToEnd() must not change the startOffset of the selection's
original range"); |
| 113 assert_equals(addedRange.endContainer, endpoints[2], |
| 114 "collapseToEnd() must not change the endContainer of the selection's
original range"); |
| 115 assert_equals(addedRange.endOffset, endpoints[3], |
| 116 "collapseToEnd() must not change the endOffset of the selection's or
iginal range"); |
| 117 }, "Range " + i + " " + testRanges[i] + " collapseToEnd()"); |
| 118 } |
| 119 |
| 120 testDiv.style.display = "none"; |
| 121 </script> |
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Chromium Code Reviews
Issue 2630243004:
Manually import wpt/editing and wpt/selection/ (Closed)
