| <!doctype html> |
| <title>Range.collapse() and .collapsed tests</title> |
| <link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name> |
| <meta name=timeout content=long> |
| <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(rangeEndpoints, toStart) { |
| var range; |
| if (rangeEndpoints == "detached") { |
| range = document.createRange(); |
| range.detach(); // should be a no-op and therefore the following should not throw |
| range.collapse(toStart); |
| assert_equals(true, range.collapsed); |
| } |
| |
| // Have to account for Ranges involving Documents! |
| var ownerDoc = rangeEndpoints[0].nodeType == Node.DOCUMENT_NODE |
| ? rangeEndpoints[0] |
| : rangeEndpoints[0].ownerDocument; |
| range = ownerDoc.createRange(); |
| range.setStart(rangeEndpoints[0], rangeEndpoints[1]); |
| range.setEnd(rangeEndpoints[2], rangeEndpoints[3]); |
| |
| var expectedContainer = toStart ? range.startContainer : range.endContainer; |
| var expectedOffset = toStart ? range.startOffset : range.endOffset; |
| |
| assert_equals(range.collapsed, range.startContainer == range.endContainer |
| && range.startOffset == range.endOffset, |
| "collapsed must be true if and only if the start and end are equal"); |
| |
| if (toStart === undefined) { |
| range.collapse(); |
| } else { |
| range.collapse(toStart); |
| } |
| |
| assert_equals(range.startContainer, expectedContainer, |
| "Wrong startContainer"); |
| assert_equals(range.endContainer, expectedContainer, |
| "Wrong endContainer"); |
| assert_equals(range.startOffset, expectedOffset, |
| "Wrong startOffset"); |
| assert_equals(range.endOffset, expectedOffset, |
| "Wrong endOffset"); |
| assert_true(range.collapsed, |
| ".collapsed must be set after .collapsed()"); |
| } |
| |
| var tests = []; |
| for (var i = 0; i < testRanges.length; i++) { |
| tests.push([ |
| "Range " + i + " " + testRanges[i] + ", toStart true", |
| eval(testRanges[i]), |
| true |
| ]); |
| tests.push([ |
| "Range " + i + " " + testRanges[i] + ", toStart false", |
| eval(testRanges[i]), |
| false |
| ]); |
| tests.push([ |
| "Range " + i + " " + testRanges[i] + ", toStart omitted", |
| eval(testRanges[i]), |
| undefined |
| ]); |
| } |
| generate_tests(testCollapse, tests); |
| |
| testDiv.style.display = "none"; |
| </script> |
