| <!doctype html> |
| <title>Selection.addRange() tests</title> |
| <div id=log></div> |
| <meta name="timeout" content="long"> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script src=common.js></script> |
| <script> |
| "use strict"; |
| |
| function testAddRange(exception, range, endpoints, qualifier, testName) { |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| |
| selection.addRange(range); |
| |
| assert_equals(range.startContainer, endpoints[0], |
| "addRange() must not modify the startContainer of the Range it's given"); |
| assert_equals(range.startOffset, endpoints[1], |
| "addRange() must not modify the startOffset of the Range it's given"); |
| assert_equals(range.endContainer, endpoints[2], |
| "addRange() must not modify the endContainer of the Range it's given"); |
| assert_equals(range.endOffset, endpoints[3], |
| "addRange() must not modify the endOffset of the Range it's given"); |
| }, testName + ": " + qualifier + " addRange() must not throw exceptions or modify the range it's given"); |
| |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| |
| assert_equals(selection.rangeCount, 1, "rangeCount must be 1"); |
| }, testName + ": " + qualifier + " addRange() must result in rangeCount being 1"); |
| |
| // From here on out we check selection.getRangeAt(selection.rangeCount - 1) |
| // so as not to double-fail Gecko. |
| |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| assert_not_equals(selection.rangeCount, 0, "Cannot proceed with tests if rangeCount is 0"); |
| |
| var newRange = selection.getRangeAt(selection.rangeCount - 1); |
| |
| assert_not_equals(newRange, null, |
| "getRangeAt(rangeCount - 1) must not return null"); |
| assert_equals(typeof newRange, "object", |
| "getRangeAt(rangeCount - 1) must return an object"); |
| |
| assert_equals(newRange.startContainer, range.startContainer, |
| "startContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.startOffset, range.startOffset, |
| "startOffset of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endContainer, range.endContainer, |
| "endContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endOffset, range.endOffset, |
| "endOffset of the Selection's last Range must match the added Range"); |
| }, testName + ": " + qualifier + " addRange() must result in the selection's last range having the specified endpoints"); |
| |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| assert_not_equals(selection.rangeCount, 0, "Cannot proceed with tests if rangeCount is 0"); |
| |
| assert_equals(selection.getRangeAt(selection.rangeCount - 1), range, |
| "getRangeAt(rangeCount - 1) must return the same object we added"); |
| }, testName + ": " + qualifier + " addRange() must result in the selection's last range being the same object we added"); |
| |
| // Let's not test many different modifications -- one should be enough. |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| assert_not_equals(selection.rangeCount, 0, "Cannot proceed with tests if rangeCount is 0"); |
| |
| if (range.startContainer == paras[0].firstChild |
| && range.startOffset == 0 |
| && range.endContainer == paras[0].firstChild |
| && range.endOffset == 2) { |
| // Just in case . . . |
| range.setStart(paras[0].firstChild, 1); |
| } else { |
| range.setStart(paras[0].firstChild, 0); |
| range.setEnd(paras[0].firstChild, 2); |
| } |
| |
| var newRange = selection.getRangeAt(selection.rangeCount - 1); |
| |
| assert_equals(newRange.startContainer, range.startContainer, |
| "After mutating the " + qualifier + " added Range, startContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.startOffset, range.startOffset, |
| "After mutating the " + qualifier + " added Range, startOffset of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endContainer, range.endContainer, |
| "After mutating the " + qualifier + " added Range, endContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endOffset, range.endOffset, |
| "After mutating the " + qualifier + " added Range, endOffset of the Selection's last Range must match the added Range"); |
| }, testName + ": modifying the " + qualifier + " added range must modify the Selection's last Range"); |
| |
| // Now test the other way too. |
| test(function() { |
| assert_equals(exception, null, "Test setup must not throw exceptions"); |
| assert_not_equals(selection.rangeCount, 0, "Cannot proceed with tests if rangeCount is 0"); |
| |
| var newRange = selection.getRangeAt(selection.rangeCount - 1); |
| |
| if (newRange.startContainer == paras[0].firstChild |
| && newRange.startOffset == 4 |
| && newRange.endContainer == paras[0].firstChild |
| && newRange.endOffset == 6) { |
| newRange.setStart(paras[0].firstChild, 5); |
| } else { |
| newRange.setStart(paras[0].firstChild, 4); |
| newRange.setStart(paras[0].firstChild, 6); |
| } |
| |
| assert_equals(newRange.startContainer, range.startContainer, |
| "After " + qualifier + " addRange(), after mutating the Selection's last Range, startContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.startOffset, range.startOffset, |
| "After " + qualifier + " addRange(), after mutating the Selection's last Range, startOffset of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endContainer, range.endContainer, |
| "After " + qualifier + " addRange(), after mutating the Selection's last Range, endContainer of the Selection's last Range must match the added Range"); |
| assert_equals(newRange.endOffset, range.endOffset, |
| "After " + qualifier + " addRange(), after mutating the Selection's last Range, endOffset of the Selection's last Range must match the added Range"); |
| }, testName + ": modifying the Selection's last Range must modify the " + qualifier + " added Range"); |
| } |
| |
| // Do only n evals, not n^2 |
| var testRangesEvaled = testRanges.map(eval); |
| |
| for (var i = 0; i < testRanges.length; i++) { |
| for (var j = 0; j < testRanges.length; j++) { |
| var testName = "Range " + i + " " + testRanges[i] |
| + " followed by Range " + j + " " + testRanges[j]; |
| |
| var exception = null; |
| try { |
| selection.removeAllRanges(); |
| |
| var endpoints1 = testRangesEvaled[i]; |
| var range1 = ownerDocument(endpoints1[0]).createRange(); |
| range1.setStart(endpoints1[0], endpoints1[1]); |
| range1.setEnd(endpoints1[2], endpoints1[3]); |
| |
| if (range1.startContainer !== endpoints1[0]) { |
| throw "Sanity check: the first Range we created must have the desired startContainer"; |
| } |
| if (range1.startOffset !== endpoints1[1]) { |
| throw "Sanity check: the first Range we created must have the desired startOffset"; |
| } |
| if (range1.endContainer !== endpoints1[2]) { |
| throw "Sanity check: the first Range we created must have the desired endContainer"; |
| } |
| if (range1.endOffset !== endpoints1[3]) { |
| throw "Sanity check: the first Range we created must have the desired endOffset"; |
| } |
| |
| var endpoints2 = testRangesEvaled[j]; |
| var range2 = ownerDocument(endpoints2[0]).createRange(); |
| range2.setStart(endpoints2[0], endpoints2[1]); |
| range2.setEnd(endpoints2[2], endpoints2[3]); |
| |
| if (range2.startContainer !== endpoints2[0]) { |
| throw "Sanity check: the second Range we created must have the desired startContainer"; |
| } |
| if (range2.startOffset !== endpoints2[1]) { |
| throw "Sanity check: the second Range we created must have the desired startOffset"; |
| } |
| if (range2.endContainer !== endpoints2[2]) { |
| throw "Sanity check: the second Range we created must have the desired endContainer"; |
| } |
| if (range2.endOffset !== endpoints2[3]) { |
| throw "Sanity check: the second Range we created must have the desired endOffset"; |
| } |
| } catch (e) { |
| exception = e; |
| } |
| |
| testAddRange(exception, range1, endpoints1, "first", testName); |
| testAddRange(exception, range2, endpoints2, "second", testName); |
| } |
| } |
| |
| testDiv.style.display = "none"; |
| </script> |
