| <!doctype html> |
| <title>Selection.collapseTo(Start|End)() tests</title> |
| <div id=log></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script src=common.js></script> |
| <script> |
| "use strict"; |
| |
| test(function() { |
| selection.removeAllRanges(); |
| assert_throws_dom("INVALID_STATE_ERR", function() { |
| selection.collapseToStart(); |
| }); |
| }, "Must throw InvalidStateErr if the selection's range is null"); |
| |
| for (var i = 0; i < testRanges.length; i++) { |
| var endpoints = eval(testRanges[i]); |
| if (!isSelectableNode(endpoints[0]) || !isSelectableNode(endpoints[2])) |
| continue; |
| test(function() { |
| selection.removeAllRanges(); |
| |
| var addedRange = ownerDocument(endpoints[0]).createRange(); |
| addedRange.setStart(endpoints[0], endpoints[1]); |
| addedRange.setEnd(endpoints[2], endpoints[3]); |
| selection.addRange(addedRange); |
| |
| // We don't penalize browsers here for mishandling addRange() and |
| // adding a different range than we specified. They fail addRange() |
| // tests for that, and don't have to fail collapseToStart/End() tests |
| // too. They do fail if they throw unexpectedly, though. I also fail |
| // them if there's no range at all, because otherwise they could pass |
| // all tests if addRange() always does nothing and collapseToStart() |
| // always throws. |
| assert_equals(selection.rangeCount, 1, |
| "Sanity check: rangeCount must equal 1 after addRange()"); |
| |
| var expectedEndpoint = [ |
| selection.getRangeAt(0).startContainer, |
| selection.getRangeAt(0).startOffset |
| ]; |
| |
| selection.collapseToStart(); |
| |
| assert_equals(selection.rangeCount, 1, |
| "selection.rangeCount must equal 1"); |
| assert_equals(selection.focusNode, expectedEndpoint[0], |
| "focusNode must equal the original start node"); |
| assert_equals(selection.focusOffset, expectedEndpoint[1], |
| "focusOffset must equal the original start offset"); |
| assert_equals(selection.anchorNode, expectedEndpoint[0], |
| "anchorNode must equal the original start node"); |
| assert_equals(selection.anchorOffset, expectedEndpoint[1], |
| "anchorOffset must equal the original start offset"); |
| assert_equals(addedRange.startContainer, endpoints[0], |
| "collapseToStart() must not change the startContainer of the selection's original range"); |
| assert_equals(addedRange.startOffset, endpoints[1], |
| "collapseToStart() must not change the startOffset of the selection's original range"); |
| assert_equals(addedRange.endContainer, endpoints[2], |
| "collapseToStart() must not change the endContainer of the selection's original range"); |
| assert_equals(addedRange.endOffset, endpoints[3], |
| "collapseToStart() must not change the endOffset of the selection's original range"); |
| }, "Range " + i + " " + testRanges[i] + " collapseToStart()"); |
| |
| // Copy-paste of above |
| test(function() { |
| selection.removeAllRanges(); |
| |
| var addedRange = ownerDocument(endpoints[0]).createRange(); |
| addedRange.setStart(endpoints[0], endpoints[1]); |
| addedRange.setEnd(endpoints[2], endpoints[3]); |
| selection.addRange(addedRange); |
| |
| // We don't penalize browsers here for mishandling addRange() and |
| // adding a different range than we specified. They fail addRange() |
| // tests for that, and don't have to fail collapseToStart/End() tests |
| // too. They do fail if they throw unexpectedly, though. I also fail |
| // them if there's no range at all, because otherwise they could pass |
| // all tests if addRange() always does nothing and collapseToStart() |
| // always throws. |
| assert_equals(selection.rangeCount, 1, |
| "Sanity check: rangeCount must equal 1 after addRange()"); |
| |
| var expectedEndpoint = [ |
| selection.getRangeAt(0).endContainer, |
| selection.getRangeAt(0).endOffset |
| ]; |
| |
| selection.collapseToEnd(); |
| |
| assert_equals(selection.rangeCount, 1, |
| "selection.rangeCount must equal 1"); |
| assert_equals(selection.focusNode, expectedEndpoint[0], |
| "focusNode must equal the original end node"); |
| assert_equals(selection.focusOffset, expectedEndpoint[1], |
| "focusOffset must equal the original end offset"); |
| assert_equals(selection.anchorNode, expectedEndpoint[0], |
| "anchorNode must equal the original end node"); |
| assert_equals(selection.anchorOffset, expectedEndpoint[1], |
| "anchorOffset must equal the original end offset"); |
| assert_equals(addedRange.startContainer, endpoints[0], |
| "collapseToEnd() must not change the startContainer of the selection's original range"); |
| assert_equals(addedRange.startOffset, endpoints[1], |
| "collapseToEnd() must not change the startOffset of the selection's original range"); |
| assert_equals(addedRange.endContainer, endpoints[2], |
| "collapseToEnd() must not change the endContainer of the selection's original range"); |
| assert_equals(addedRange.endOffset, endpoints[3], |
| "collapseToEnd() must not change the endOffset of the selection's original range"); |
| }, "Range " + i + " " + testRanges[i] + " collapseToEnd()"); |
| } |
| |
| testDiv.style.display = "none"; |
| </script> |
