| "use strict"; |
| |
| function testCollapse(range, point, method) { |
| 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[method](point[0], point[1]); |
| }, "Must throw INVALID_NODE_TYPE_ERR when " + method + "()ing if the node is a DocumentType"); |
| return; |
| } |
| |
| if (point[1] < 0 || point[1] > getNodeLength(point[0])) { |
| assert_throws("INDEX_SIZE_ERR", function() { |
| selection[method](point[0], point[1]); |
| }, "Must throw INDEX_SIZE_ERR when " + method + "()ing if the offset is negative or greater than the node's length"); |
| return; |
| } |
| |
| if (!document.contains(point[0])) { |
| assertSelectionNoChange(function() { |
| selection[method](point[0], point[1]); |
| }); |
| return; |
| } |
| |
| selection[method](point[0], point[1]); |
| |
| assert_equals(selection.rangeCount, 1, |
| "selection.rangeCount must equal 1 after " + method + "()"); |
| assert_equals(selection.focusNode, point[0], |
| "focusNode must equal the node we " + method + "()d to"); |
| assert_equals(selection.focusOffset, point[1], |
| "focusOffset must equal the offset we " + method + "()d to"); |
| assert_equals(selection.focusNode, selection.anchorNode, |
| "focusNode and anchorNode must be equal after " + method + "()"); |
| assert_equals(selection.focusOffset, selection.anchorOffset, |
| "focusOffset and anchorOffset must be equal after " + method + "()"); |
| if (range) { |
| assert_equals(addedRange.startContainer, range.startContainer, |
| method + "() must not change the startContainer of a preexisting Range"); |
| assert_equals(addedRange.endContainer, range.endContainer, |
| method + "() must not change the endContainer of a preexisting Range"); |
| assert_equals(addedRange.startOffset, range.startOffset, |
| method + "() must not change the startOffset of a preexisting Range"); |
| assert_equals(addedRange.endOffset, range.endOffset, |
| method + "() 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])); |
| } |
| |
| // Run a subset of all of collapse tests. |
| // Huge number of tests in a single file causes problems. Each of |
| // collapse-NN.html runs a part of them. |
| // |
| // startIndex - Start index in testRanges array |
| // optionalEndIndex - End index in testRanges array + 1. If this argument is |
| // omitted, testRanges.length is applied. |
| function testCollapseSubSet(startIndex, optionalEndIndex) { |
| var endIndex = optionalEndIndex === undefined ? testRanges.length : optionalEndIndex; |
| if (startIndex < 0 || startIndex >= testRanges.length) |
| throw "Sanity check: Specified index is invalid."; |
| if (endIndex < 0 || endIndex > testRanges.length) |
| throw "Sanity check: Specified index is invalid."; |
| |
| var tests = []; |
| for (var i = startIndex; i < endIndex; 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(["collapse() on " + testRanges[i] + " to " + testPoints[j], |
| range, testPointsCached[j], "collapse"]); |
| tests.push(["setPosition() on " + testRanges[i] + " to " + testPoints[j], |
| range, testPointsCached[j], "setPosition"]); |
| } |
| } |
| |
| generate_tests(testCollapse, tests); |
| } |
| |