<!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"; // Also test a selection with no ranges testRanges.unshift("[]"); for (var i = 0; i < testRanges.length; i++) { test(function() { selection.removeAllRanges(); var endpoints = eval(testRanges[i]); if (!endpoints.length) { assert_throws("INVALID_STATE_ERR", function() { selection.collapseToStart(); }, "Must throw InvalidStateErr if the selection's range is null"); return; } 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 endpoints = eval(testRanges[i]); if (!endpoints.length) { assert_throws("INVALID_STATE_ERR", function() { selection.collapseToEnd(); }, "Must throw InvalidStateErr if the selection's range is null"); return; } 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>