| <!doctype html> |
| <title>Selection.collapse() 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"; |
| |
| function testCollapse(range, point) { |
| selection.removeAllRanges(); |
| var addedRange; |
| if (range) { |
| addedRange = range.cloneRange(); |
| selection.addRange(addedRange); |
| } |
| |
| if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) { |
| assert_throws("INVALID_NODE_TYPE_ERR", function() { |
| selection.collapse(point[0], point[1]); |
| }, "Must throw INVALID_NODE_TYPE_ERR when collapse()ing if the node is a DocumentType"); |
| return; |
| } |
| |
| if (point[1] < 0 || point[1] > getNodeLength(point[0])) { |
| assert_throws("INDEX_SIZE_ERR", function() { |
| selection.collapse(point[0], point[1]); |
| }, "Must throw INDEX_SIZE_ERR when collapse()ing if the offset is negative or greater than the node's length"); |
| return; |
| } |
| |
| selection.collapse(point[0], point[1]); |
| |
| assert_equals(selection.rangeCount, 1, |
| "selection.rangeCount must equal 1 after collapse()"); |
| assert_equals(selection.focusNode, point[0], |
| "focusNode must equal the node we collapse()d to"); |
| assert_equals(selection.focusOffset, point[1], |
| "focusOffset must equal the offset we collapse()d to"); |
| assert_equals(selection.focusNode, selection.anchorNode, |
| "focusNode and anchorNode must be equal after collapse()"); |
| assert_equals(selection.focusOffset, selection.anchorOffset, |
| "focusOffset and anchorOffset must be equal after collapse()"); |
| if (range) { |
| assert_equals(addedRange.startContainer, range.startContainer, |
| "collapse() must not change the startContainer of a preexisting Range"); |
| assert_equals(addedRange.endContainer, range.endContainer, |
| "collapse() must not change the endContainer of a preexisting Range"); |
| assert_equals(addedRange.startOffset, range.startOffset, |
| "collapse() must not change the startOffset of a preexisting Range"); |
| assert_equals(addedRange.endOffset, range.endOffset, |
| "collapse() must not change the endOffset of a preexisting Range"); |
| } |
| } |
| |
| // Also test a selection with no ranges |
| testRanges.unshift("[]"); |
| |
| // Don't want to eval() each point a bazillion times |
| var testPointsCached = []; |
| for (var i = 0; i < testPoints.length; i++) { |
| testPointsCached.push(eval(testPoints[i])); |
| } |
| |
| var tests = []; |
| for (var i = 0; i < testRanges.length; i++) { |
| var endpoints = eval(testRanges[i]); |
| var range; |
| test(function() { |
| if (endpoints.length) { |
| range = ownerDocument(endpoints[0]).createRange(); |
| range.setStart(endpoints[0], endpoints[1]); |
| range.setEnd(endpoints[2], endpoints[3]); |
| } else { |
| // Empty selection |
| range = null; |
| } |
| }, "Set up range " + i + " " + testRanges[i]); |
| for (var j = 0; j < testPoints.length; j++) { |
| tests.push(["Range " + i + " " + testRanges[i] + ", point " + j + " " + testPoints[j], range, testPointsCached[j]]); |
| } |
| } |
| |
| generate_tests(testCollapse, tests); |
| |
| testDiv.style.display = "none"; |
| </script> |
