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Diffstat (limited to 'testing/web-platform/tests/selection/addRange.js')
| -rw-r--r-- | testing/web-platform/tests/selection/addRange.js | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/testing/web-platform/tests/selection/addRange.js b/testing/web-platform/tests/selection/addRange.js new file mode 100644 index 0000000000..7c443f7dad --- /dev/null +++ b/testing/web-platform/tests/selection/addRange.js @@ -0,0 +1,205 @@ +"use strict"; + +function testAddRange(exception, range, endpoints, qualifier, testName) { + if (!isSelectableNode(endpoints[0]) || !isSelectableNode(endpoints[2])) { + testAddRangeDoesNothing(exception, range, endpoints, qualifier, testName); + return; + } + + 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"); +} + +function testAddRangeDoesNothing(exception, range, endpoints, qualifier, testName) { + test(function() { + assert_equals(exception, null, "Test setup must not throw exceptions"); + + assertSelectionNoChange(function() { 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 do nothing"); +} + +// Do only n evals, not n^2 +var testRangesEvaled = testRanges.map(eval); + +// Run a subset of all of addRange tests. +// Huge number of tests in a single file causes problems. Each of +// addRange-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 testAddRangeSubSet(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."; + + for (var i = startIndex; i < endIndex; 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); + if (selection.rangeCount > 0) + testAddRangeDoesNothing(exception, range2, endpoints2, "second", testName); + } + } +} + |