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"use strict";
// These tests probably use too much abstraction and too little copy-paste.
// Reader beware.
//
// TODO:
//
// * Lots and lots and lots more different types of ranges
// * insertBefore() with DocumentFragments
// * Fill out other insert/remove tests
// Give a textual description of the range we're testing, for the test names.
function describeRange(startContainer, startOffset, endContainer, endOffset) {
if (startContainer == endContainer && startOffset == endOffset) {
return "range collapsed at (" + startContainer + ", " + startOffset + ")";
} else if (startContainer == endContainer) {
return "range on " + startContainer + " from " + startOffset + " to " + endOffset;
} else {
return "range from (" + startContainer + ", " + startOffset + ") to (" + endContainer + ", " + endOffset + ")";
}
}
// Lists of the various types of nodes we'll want to use. We use strings that
// we can later eval(), so that we can produce legible test names.
var textNodes = [
"paras[0].firstChild",
"paras[1].firstChild",
"foreignTextNode",
"xmlTextNode",
"detachedTextNode",
"detachedForeignTextNode",
"detachedXmlTextNode",
];
var commentNodes = [
"comment",
"foreignComment",
"xmlComment",
"detachedComment",
"detachedForeignComment",
"detachedXmlComment",
];
var characterDataNodes = textNodes.concat(commentNodes);
// This function is slightly scary, but it works well enough, so . . .
// sourceTests is an array of test data that will be altered in mysterious ways
// before being passed off to doTest, descFn is something that takes an element
// of sourceTests and produces the first part of a human-readable description
// of the test, testFn is the function that doTest will call to do the actual
// work and tell it what results to expect.
function doTests(sourceTests, descFn, testFn) {
var tests = [];
for (var i = 0; i < sourceTests.length; i++) {
var params = sourceTests[i];
var len = params.length;
tests.push([
descFn(params) + ", with unselected " + describeRange(params[len - 4], params[len - 3], params[len - 2], params[len - 1]),
// The closure here ensures that the params that testFn get are the
// current version of params, not the version from the last
// iteration of this loop. We test that none of the parameters
// evaluate to undefined to catch bugs in our eval'ing, like
// mistyping a property name.
function(params) { return function() {
var evaledParams = params.map(eval);
for (var i = 0; i < evaledParams.length; i++) {
assert_not_equals(typeof evaledParams[i], "undefined",
"Test bug: " + params[i] + " is undefined");
}
return testFn.apply(null, evaledParams);
} }(params),
false,
params[len - 4],
params[len - 3],
params[len - 2],
params[len - 1]
]);
tests.push([
descFn(params) + ", with selected " + describeRange(params[len - 4], params[len - 3], params[len - 2], params[len - 1]),
function(params) { return function(selectedRange) {
var evaledParams = params.slice(0, len - 4).map(eval);
for (var i = 0; i < evaledParams.length; i++) {
assert_not_equals(typeof evaledParams[i], "undefined",
"Test bug: " + params[i] + " is undefined");
}
// Override input range with the one that was actually selected when computing the expected result.
evaledParams = evaledParams.concat([selectedRange.startContainer, selectedRange.startOffset, selectedRange.endContainer, selectedRange.endOffset]);
return testFn.apply(null, evaledParams);
} }(params),
true,
params[len - 4],
params[len - 3],
params[len - 2],
params[len - 1]
]);
}
generate_tests(doTest, tests);
}
// Set up the range, call the callback function to do the DOM modification and
// tell us what to expect. The callback function needs to return a
// four-element array with the expected start/end containers/offsets, and
// receives no arguments. useSelection tells us whether the Range should be
// added to a Selection and the Selection tested to ensure that the mutation
// affects user selections as well as other ranges; every test is run with this
// both false and true, because when it's set to true WebKit and Opera fail all
// tests' sanity checks, which is unhelpful. The last four parameters just
// tell us what range to build.
function doTest(callback, useSelection, startContainer, startOffset, endContainer, endOffset) {
// Recreate all the test nodes in case they were altered by the last test
// run.
setupRangeTests();
startContainer = eval(startContainer);
startOffset = eval(startOffset);
endContainer = eval(endContainer);
endOffset = eval(endOffset);
var ownerDoc = startContainer.nodeType == Node.DOCUMENT_NODE
? startContainer
: startContainer.ownerDocument;
var range = ownerDoc.createRange();
range.setStart(startContainer, startOffset);
range.setEnd(endContainer, endOffset);
if (useSelection) {
getSelection().removeAllRanges();
getSelection().addRange(range);
// Some browsers refuse to add a range unless it results in an actual visible selection.
if (!getSelection().rangeCount)
return;
// Override range with the one that was actually selected as it differs in some browsers.
range = getSelection().getRangeAt(0);
}
var expected = callback(range);
assert_equals(range.startContainer, expected[0],
"Wrong start container");
assert_equals(range.startOffset, expected[1],
"Wrong start offset");
assert_equals(range.endContainer, expected[2],
"Wrong end container");
assert_equals(range.endOffset, expected[3],
"Wrong end offset");
}
// Now we get to the specific tests.
function testSplitText(oldNode, offset, startContainer, startOffset, endContainer, endOffset) {
// Save these for later
var originalStartOffset = startOffset;
var originalEndOffset = endOffset;
var originalLength = oldNode.length;
var newNode;
try {
newNode = oldNode.splitText(offset);
} catch (e) {
// Should only happen if offset is negative
return [startContainer, startOffset, endContainer, endOffset];
}
// First we adjust for replacing data:
//
// "Replace data with offset offset, count count, and data the empty
// string."
//
// That translates to offset = offset, count = originalLength - offset,
// data = "". node is oldNode.
//
// "For every boundary point whose node is node, and whose offset is
// greater than offset but less than or equal to offset plus count, set its
// offset to offset."
if (startContainer == oldNode
&& startOffset > offset
&& startOffset <= originalLength) {
startOffset = offset;
}
if (endContainer == oldNode
&& endOffset > offset
&& endOffset <= originalLength) {
endOffset = offset;
}
// "For every boundary point whose node is node, and whose offset is
// greater than offset plus count, add the length of data to its offset,
// then subtract count from it."
//
// Can't happen: offset plus count is originalLength.
// Now we insert a node, if oldNode's parent isn't null: "For each boundary
// point whose node is the new parent of the affected node and whose offset
// is greater than the new index of the affected node, add one to the
// boundary point's offset."
if (startContainer == oldNode.parentNode
&& startOffset > 1 + indexOf(oldNode)) {
startOffset++;
}
if (endContainer == oldNode.parentNode
&& endOffset > 1 + indexOf(oldNode)) {
endOffset++;
}
// Finally, the splitText stuff itself:
//
// "If parent is not null, run these substeps:
//
// * "For each range whose start node is node and start offset is greater
// than offset, set its start node to new node and decrease its start
// offset by offset.
//
// * "For each range whose end node is node and end offset is greater
// than offset, set its end node to new node and decrease its end offset
// by offset.
//
// * "For each range whose start node is parent and start offset is equal
// to the index of node + 1, increase its start offset by one.
//
// * "For each range whose end node is parent and end offset is equal to
// the index of node + 1, increase its end offset by one."
if (oldNode.parentNode) {
if (startContainer == oldNode && originalStartOffset > offset) {
startContainer = newNode;
startOffset = originalStartOffset - offset;
}
if (endContainer == oldNode && originalEndOffset > offset) {
endContainer = newNode;
endOffset = originalEndOffset - offset;
}
if (startContainer == oldNode.parentNode
&& startOffset == 1 + indexOf(oldNode)) {
startOffset++;
}
if (endContainer == oldNode.parentNode
&& endOffset == 1 + indexOf(oldNode)) {
endOffset++;
}
}
return [startContainer, startOffset, endContainer, endOffset];
}
// The offset argument is unsigned, so per WebIDL -1 should wrap to 4294967295,
// which is probably longer than the length, so it should throw an exception.
// This is no different from the other cases where the offset is longer than
// the length, and the wrapping complicates my testing slightly, so I won't
// bother testing negative values here or in other cases.
var splitTextTests = [];
for (var i = 0; i < textNodes.length; i++) {
var node = textNodes[i];
splitTextTests.push([node, 376, node, 0, node, 1]);
splitTextTests.push([node, 0, node, 0, node, 0]);
splitTextTests.push([node, 1, node, 1, node, 1]);
splitTextTests.push([node, node + ".length", node, node + ".length", node, node + ".length"]);
splitTextTests.push([node, 1, node, 1, node, 3]);
splitTextTests.push([node, 2, node, 1, node, 3]);
splitTextTests.push([node, 3, node, 1, node, 3]);
}
splitTextTests.push(
["paras[0].firstChild", 1, "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, "paras[0]", 0, "paras[0].firstChild", 3]
);
function testReplaceDataAlgorithm(node, offset, count, data, callback, startContainer, startOffset, endContainer, endOffset) {
// Mutation works the same any time DOM Core's "replace data" algorithm is
// invoked. node, offset, count, data are as in that algorithm. The
// callback is what does the actual setting. Not to be confused with
// testReplaceData, which tests the replaceData() method.
// Barring any provision to the contrary, the containers and offsets must
// not change.
var expectedStartContainer = startContainer;
var expectedStartOffset = startOffset;
var expectedEndContainer = endContainer;
var expectedEndOffset = endOffset;
var originalParent = node.parentNode;
var originalData = node.data;
var exceptionThrown = false;
try {
callback();
} catch (e) {
// Should only happen if offset is greater than length
exceptionThrown = true;
}
assert_equals(node.parentNode, originalParent,
"Sanity check failed: changing data changed the parent");
// "User agents must run the following steps whenever they replace data of
// a CharacterData node, as though they were written in the specification
// for that algorithm after all other steps. In particular, the steps must
// not be executed if the algorithm threw an exception."
if (exceptionThrown) {
assert_equals(node.data, originalData,
"Sanity check failed: exception thrown but data changed");
} else {
assert_equals(node.data,
originalData.substr(0, offset) + data + originalData.substr(offset + count),
"Sanity check failed: data not changed as expected");
}
// "For every boundary point whose node is node, and whose offset is
// greater than offset but less than or equal to offset plus count, set
// its offset to offset."
if (!exceptionThrown
&& startContainer == node
&& startOffset > offset
&& startOffset <= offset + count) {
expectedStartOffset = offset;
}
if (!exceptionThrown
&& endContainer == node
&& endOffset > offset
&& endOffset <= offset + count) {
expectedEndOffset = offset;
}
// "For every boundary point whose node is node, and whose offset is
// greater than offset plus count, add the length of data to its offset,
// then subtract count from it."
if (!exceptionThrown
&& startContainer == node
&& startOffset > offset + count) {
expectedStartOffset += data.length - count;
}
if (!exceptionThrown
&& endContainer == node
&& endOffset > offset + count) {
expectedEndOffset += data.length - count;
}
return [expectedStartContainer, expectedStartOffset, expectedEndContainer, expectedEndOffset];
}
function testInsertData(node, offset, data, startContainer, startOffset, endContainer, endOffset) {
return testReplaceDataAlgorithm(node, offset, 0, data,
function() { node.insertData(offset, data) },
startContainer, startOffset, endContainer, endOffset);
}
var insertDataTests = [];
for (var i = 0; i < characterDataNodes.length; i++) {
var node = characterDataNodes[i];
insertDataTests.push([node, 376, '"foo"', node, 0, node, 1]);
insertDataTests.push([node, 0, '"foo"', node, 0, node, 0]);
insertDataTests.push([node, 1, '"foo"', node, 1, node, 1]);
insertDataTests.push([node, node + ".length", '"foo"', node, node + ".length", node, node + ".length"]);
insertDataTests.push([node, 1, '"foo"', node, 1, node, 3]);
insertDataTests.push([node, 2, '"foo"', node, 1, node, 3]);
insertDataTests.push([node, 3, '"foo"', node, 1, node, 3]);
insertDataTests.push([node, 376, '""', node, 0, node, 1]);
insertDataTests.push([node, 0, '""', node, 0, node, 0]);
insertDataTests.push([node, 1, '""', node, 1, node, 1]);
insertDataTests.push([node, node + ".length", '""', node, node + ".length", node, node + ".length"]);
insertDataTests.push([node, 1, '""', node, 1, node, 3]);
insertDataTests.push([node, 2, '""', node, 1, node, 3]);
insertDataTests.push([node, 3, '""', node, 1, node, 3]);
}
insertDataTests.push(
["paras[0].firstChild", 1, '"foo"', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, '"foo"', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, '"foo"', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3]
);
function testAppendData(node, data, startContainer, startOffset, endContainer, endOffset) {
return testReplaceDataAlgorithm(node, node.length, 0, data,
function() { node.appendData(data) },
startContainer, startOffset, endContainer, endOffset);
}
var appendDataTests = [];
for (var i = 0; i < characterDataNodes.length; i++) {
var node = characterDataNodes[i];
appendDataTests.push([node, '"foo"', node, 0, node, 1]);
appendDataTests.push([node, '"foo"', node, 0, node, 0]);
appendDataTests.push([node, '"foo"', node, 1, node, 1]);
appendDataTests.push([node, '"foo"', node, 0, node, node + ".length"]);
appendDataTests.push([node, '"foo"', node, 1, node, node + ".length"]);
appendDataTests.push([node, '"foo"', node, node + ".length", node, node + ".length"]);
appendDataTests.push([node, '"foo"', node, 1, node, 3]);
appendDataTests.push([node, '""', node, 0, node, 1]);
appendDataTests.push([node, '""', node, 0, node, 0]);
appendDataTests.push([node, '""', node, 1, node, 1]);
appendDataTests.push([node, '""', node, 0, node, node + ".length"]);
appendDataTests.push([node, '""', node, 1, node, node + ".length"]);
appendDataTests.push([node, '""', node, node + ".length", node, node + ".length"]);
appendDataTests.push([node, '""', node, 1, node, 3]);
}
appendDataTests.push(
["paras[0].firstChild", '""', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", '""', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", '""', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", '""', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", '""', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", '"foo"', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", '"foo"', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", '"foo"', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", '"foo"', "paras[0]", 0, "paras[0].firstChild", 3]
);
function testDeleteData(node, offset, count, startContainer, startOffset, endContainer, endOffset) {
return testReplaceDataAlgorithm(node, offset, count, "",
function() { node.deleteData(offset, count) },
startContainer, startOffset, endContainer, endOffset);
}
var deleteDataTests = [];
for (var i = 0; i < characterDataNodes.length; i++) {
var node = characterDataNodes[i];
deleteDataTests.push([node, 376, 2, node, 0, node, 1]);
deleteDataTests.push([node, 0, 2, node, 0, node, 0]);
deleteDataTests.push([node, 1, 2, node, 1, node, 1]);
deleteDataTests.push([node, node + ".length", 2, node, node + ".length", node, node + ".length"]);
deleteDataTests.push([node, 1, 2, node, 1, node, 3]);
deleteDataTests.push([node, 2, 2, node, 1, node, 3]);
deleteDataTests.push([node, 3, 2, node, 1, node, 3]);
deleteDataTests.push([node, 376, 0, node, 0, node, 1]);
deleteDataTests.push([node, 0, 0, node, 0, node, 0]);
deleteDataTests.push([node, 1, 0, node, 1, node, 1]);
deleteDataTests.push([node, node + ".length", 0, node, node + ".length", node, node + ".length"]);
deleteDataTests.push([node, 1, 0, node, 1, node, 3]);
deleteDataTests.push([node, 2, 0, node, 1, node, 3]);
deleteDataTests.push([node, 3, 0, node, 1, node, 3]);
deleteDataTests.push([node, 376, 631, node, 0, node, 1]);
deleteDataTests.push([node, 0, 631, node, 0, node, 0]);
deleteDataTests.push([node, 1, 631, node, 1, node, 1]);
deleteDataTests.push([node, node + ".length", 631, node, node + ".length", node, node + ".length"]);
deleteDataTests.push([node, 1, 631, node, 1, node, 3]);
deleteDataTests.push([node, 2, 631, node, 1, node, 3]);
deleteDataTests.push([node, 3, 631, node, 1, node, 3]);
}
deleteDataTests.push(
["paras[0].firstChild", 1, 2, "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, 2, "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, 2, "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 2, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, 2, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, 2, "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 2, "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, 2, "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, 2, "paras[0]", 0, "paras[0].firstChild", 3]
);
function testReplaceData(node, offset, count, data, startContainer, startOffset, endContainer, endOffset) {
return testReplaceDataAlgorithm(node, offset, count, data,
function() { node.replaceData(offset, count, data) },
startContainer, startOffset, endContainer, endOffset);
}
var replaceDataTests = [];
for (var i = 0; i < characterDataNodes.length; i++) {
var node = characterDataNodes[i];
replaceDataTests.push([node, 376, 0, '"foo"', node, 0, node, 1]);
replaceDataTests.push([node, 0, 0, '"foo"', node, 0, node, 0]);
replaceDataTests.push([node, 1, 0, '"foo"', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 0, '"foo"', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 0, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 2, 0, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 3, 0, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 376, 0, '""', node, 0, node, 1]);
replaceDataTests.push([node, 0, 0, '""', node, 0, node, 0]);
replaceDataTests.push([node, 1, 0, '""', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 0, '""', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 0, '""', node, 1, node, 3]);
replaceDataTests.push([node, 2, 0, '""', node, 1, node, 3]);
replaceDataTests.push([node, 3, 0, '""', node, 1, node, 3]);
replaceDataTests.push([node, 376, 1, '"foo"', node, 0, node, 1]);
replaceDataTests.push([node, 0, 1, '"foo"', node, 0, node, 0]);
replaceDataTests.push([node, 1, 1, '"foo"', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 1, '"foo"', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 1, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 2, 1, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 3, 1, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 376, 1, '""', node, 0, node, 1]);
replaceDataTests.push([node, 0, 1, '""', node, 0, node, 0]);
replaceDataTests.push([node, 1, 1, '""', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 1, '""', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 1, '""', node, 1, node, 3]);
replaceDataTests.push([node, 2, 1, '""', node, 1, node, 3]);
replaceDataTests.push([node, 3, 1, '""', node, 1, node, 3]);
replaceDataTests.push([node, 376, 47, '"foo"', node, 0, node, 1]);
replaceDataTests.push([node, 0, 47, '"foo"', node, 0, node, 0]);
replaceDataTests.push([node, 1, 47, '"foo"', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 47, '"foo"', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 47, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 2, 47, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 3, 47, '"foo"', node, 1, node, 3]);
replaceDataTests.push([node, 376, 47, '""', node, 0, node, 1]);
replaceDataTests.push([node, 0, 47, '""', node, 0, node, 0]);
replaceDataTests.push([node, 1, 47, '""', node, 1, node, 1]);
replaceDataTests.push([node, node + ".length", 47, '""', node, node + ".length", node, node + ".length"]);
replaceDataTests.push([node, 1, 47, '""', node, 1, node, 3]);
replaceDataTests.push([node, 2, 47, '""', node, 1, node, 3]);
replaceDataTests.push([node, 3, 47, '""', node, 1, node, 3]);
}
replaceDataTests.push(
["paras[0].firstChild", 1, 0, '"foo"', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, 0, '"foo"', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, 0, '"foo"', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 0, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, 0, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, 0, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 0, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, 0, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, 0, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 1, 1, '"foo"', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, 1, '"foo"', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, 1, '"foo"', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 1, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, 1, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, 1, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 1, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, 1, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, 1, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 1, 47, '"foo"', "paras[0]", 0, "paras[0]", 0],
["paras[0].firstChild", 1, 47, '"foo"', "paras[0]", 0, "paras[0]", 1],
["paras[0].firstChild", 1, 47, '"foo"', "paras[0]", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 47, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 2, 47, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 3, 47, '"foo"', "paras[0].firstChild", 1, "paras[0]", 1],
["paras[0].firstChild", 1, 47, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 2, 47, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3],
["paras[0].firstChild", 3, 47, '"foo"', "paras[0]", 0, "paras[0].firstChild", 3]
);
// There are lots of ways to set data, so we pass a callback that does the
// actual setting.
function testDataChange(node, attr, op, rval, startContainer, startOffset, endContainer, endOffset) {
return testReplaceDataAlgorithm(node, 0, node.length, op == "=" ? rval : node[attr] + rval,
function() {
if (op == "=") {
node[attr] = rval;
} else if (op == "+=") {
node[attr] += rval;
} else {
throw "Unknown op " + op;
}
},
startContainer, startOffset, endContainer, endOffset);
}
var dataChangeTests = [];
var dataChangeTestAttrs = ["data", "textContent", "nodeValue"];
for (var i = 0; i < characterDataNodes.length; i++) {
var node = characterDataNodes[i];
var dataChangeTestRanges = [
[node, 0, node, 0],
[node, 0, node, 1],
[node, 1, node, 1],
[node, 0, node, node + ".length"],
[node, 1, node, node + ".length"],
[node, node + ".length", node, node + ".length"],
];
for (var j = 0; j < dataChangeTestRanges.length; j++) {
for (var k = 0; k < dataChangeTestAttrs.length; k++) {
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"="',
'""',
].concat(dataChangeTestRanges[j]));
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"="',
'"foo"',
].concat(dataChangeTestRanges[j]));
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"="',
node + "." + dataChangeTestAttrs[k],
].concat(dataChangeTestRanges[j]));
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"+="',
'""',
].concat(dataChangeTestRanges[j]));
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"+="',
'"foo"',
].concat(dataChangeTestRanges[j]));
dataChangeTests.push([
node,
'"' + dataChangeTestAttrs[k] + '"',
'"+="',
node + "." + dataChangeTestAttrs[k]
].concat(dataChangeTestRanges[j]));
}
}
}
// Now we test node insertions and deletions, as opposed to just data changes.
// To avoid loads of repetition, we define modifyForRemove() and
// modifyForInsert().
// If we were to remove removedNode from its parent, what would the boundary
// point [node, offset] become? Returns [new node, new offset]. Must be
// called BEFORE the node is actually removed, so its parent is not null. (If
// the parent is null, it will do nothing.)
function modifyForRemove(removedNode, point) {
var oldParent = removedNode.parentNode;
var oldIndex = indexOf(removedNode);
if (!oldParent) {
return point;
}
// "For each boundary point whose node is removed node or a descendant of
// it, set the boundary point to (old parent, old index)."
if (point[0] == removedNode || isDescendant(point[0], removedNode)) {
return [oldParent, oldIndex];
}
// "For each boundary point whose node is old parent and whose offset is
// greater than old index, subtract one from its offset."
if (point[0] == oldParent && point[1] > oldIndex) {
return [point[0], point[1] - 1];
}
return point;
}
// Update the given boundary point [node, offset] to account for the fact that
// insertedNode was just inserted into its current position. This must be
// called AFTER insertedNode was already inserted.
function modifyForInsert(insertedNode, point) {
// "For each boundary point whose node is the new parent of the affected
// node and whose offset is greater than the new index of the affected
// node, add one to the boundary point's offset."
if (point[0] == insertedNode.parentNode && point[1] > indexOf(insertedNode)) {
return [point[0], point[1] + 1];
}
return point;
}
function testInsertBefore(newParent, affectedNode, refNode, startContainer, startOffset, endContainer, endOffset) {
var expectedStart = [startContainer, startOffset];
var expectedEnd = [endContainer, endOffset];
expectedStart = modifyForRemove(affectedNode, expectedStart);
expectedEnd = modifyForRemove(affectedNode, expectedEnd);
try {
newParent.insertBefore(affectedNode, refNode);
} catch (e) {
// For our purposes, assume that DOM Core is true -- i.e., ignore
// mutation events and similar.
return [startContainer, startOffset, endContainer, endOffset];
}
expectedStart = modifyForInsert(affectedNode, expectedStart);
expectedEnd = modifyForInsert(affectedNode, expectedEnd);
return expectedStart.concat(expectedEnd);
}
var insertBeforeTests = [
// Moving a node to its current position
["testDiv", "paras[0]", "paras[1]", "paras[0]", 0, "paras[0]", 0],
["testDiv", "paras[0]", "paras[1]", "paras[0]", 0, "paras[0]", 1],
["testDiv", "paras[0]", "paras[1]", "paras[0]", 1, "paras[0]", 1],
["testDiv", "paras[0]", "paras[1]", "testDiv", 0, "testDiv", 2],
["testDiv", "paras[0]", "paras[1]", "testDiv", 1, "testDiv", 1],
["testDiv", "paras[0]", "paras[1]", "testDiv", 1, "testDiv", 2],
["testDiv", "paras[0]", "paras[1]", "testDiv", 2, "testDiv", 2],
// Stuff that actually moves something. Note that paras[0] and paras[1]
// are both children of testDiv.
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 1, "paras[0]", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 0, "testDiv", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 0, "testDiv", 2],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 1, "testDiv", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 1, "testDiv", 2],
["paras[0]", "paras[1]", "null", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "paras[1]", "null", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "paras[1]", "null", "paras[0]", 1, "paras[0]", 1],
["paras[0]", "paras[1]", "null", "testDiv", 0, "testDiv", 1],
["paras[0]", "paras[1]", "null", "testDiv", 0, "testDiv", 2],
["paras[0]", "paras[1]", "null", "testDiv", 1, "testDiv", 1],
["paras[0]", "paras[1]", "null", "testDiv", 1, "testDiv", 2],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 0],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 2],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 1, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 0],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 2],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 1, "foreignDoc", 1],
["foreignDoc", "detachedComment", "null", "foreignDoc", 0, "foreignDoc", 1],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 1, "paras[0]", 1],
// Stuff that throws exceptions
["paras[0]", "paras[0]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "testDiv", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "foreignDoc", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document.doctype", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
];
function testReplaceChild(newParent, newChild, oldChild, startContainer, startOffset, endContainer, endOffset) {
var expectedStart = [startContainer, startOffset];
var expectedEnd = [endContainer, endOffset];
expectedStart = modifyForRemove(oldChild, expectedStart);
expectedEnd = modifyForRemove(oldChild, expectedEnd);
if (newChild != oldChild) {
// Don't do this twice, if they're the same!
expectedStart = modifyForRemove(newChild, expectedStart);
expectedEnd = modifyForRemove(newChild, expectedEnd);
}
try {
newParent.replaceChild(newChild, oldChild);
} catch (e) {
return [startContainer, startOffset, endContainer, endOffset];
}
expectedStart = modifyForInsert(newChild, expectedStart);
expectedEnd = modifyForInsert(newChild, expectedEnd);
return expectedStart.concat(expectedEnd);
}
var replaceChildTests = [
// Moving a node to its current position. Doesn't match most browsers'
// behavior, but we probably want to keep the spec the same anyway:
["testDiv", "paras[0]", "paras[0]", "paras[0]", 0, "paras[0]", 0],
["testDiv", "paras[0]", "paras[0]", "paras[0]", 0, "paras[0]", 1],
["testDiv", "paras[0]", "paras[0]", "paras[0]", 1, "paras[0]", 1],
["testDiv", "paras[0]", "paras[0]", "testDiv", 0, "testDiv", 2],
["testDiv", "paras[0]", "paras[0]", "testDiv", 1, "testDiv", 1],
["testDiv", "paras[0]", "paras[0]", "testDiv", 1, "testDiv", 2],
["testDiv", "paras[0]", "paras[0]", "testDiv", 2, "testDiv", 2],
// Stuff that actually moves something.
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "paras[0]", 1, "paras[0]", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 0, "testDiv", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 0, "testDiv", 2],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 1, "testDiv", 1],
["paras[0]", "paras[1]", "paras[0].firstChild", "testDiv", 1, "testDiv", 2],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 0],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", 2],
["foreignDoc", "detachedComment", "foreignDoc.documentElement", "foreignDoc", 1, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 0],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 1],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 0, "foreignDoc", 2],
["foreignDoc", "detachedComment", "foreignDoc.doctype", "foreignDoc", 1, "foreignDoc", 1],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "xmlTextNode", "paras[0].firstChild", "paras[0]", 1, "paras[0]", 1],
// Stuff that throws exceptions
["paras[0]", "paras[0]", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "testDiv", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "foreignDoc", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document.doctype", "paras[0].firstChild", "paras[0]", 0, "paras[0]", 1],
];
function testAppendChild(newParent, affectedNode, startContainer, startOffset, endContainer, endOffset) {
var expectedStart = [startContainer, startOffset];
var expectedEnd = [endContainer, endOffset];
expectedStart = modifyForRemove(affectedNode, expectedStart);
expectedEnd = modifyForRemove(affectedNode, expectedEnd);
try {
newParent.appendChild(affectedNode);
} catch (e) {
return [startContainer, startOffset, endContainer, endOffset];
}
// These two lines will actually never do anything, if you think about it,
// but let's leave them in so correctness is more obvious.
expectedStart = modifyForInsert(affectedNode, expectedStart);
expectedEnd = modifyForInsert(affectedNode, expectedEnd);
return expectedStart.concat(expectedEnd);
}
var appendChildTests = [
// Moving a node to its current position
["testDiv", "testDiv.lastChild", "testDiv.lastChild", 0, "testDiv.lastChild", 0],
["testDiv", "testDiv.lastChild", "testDiv.lastChild", 0, "testDiv.lastChild", 1],
["testDiv", "testDiv.lastChild", "testDiv.lastChild", 1, "testDiv.lastChild", 1],
["testDiv", "testDiv.lastChild", "testDiv", "testDiv.childNodes.length - 2", "testDiv", "testDiv.childNodes.length"],
["testDiv", "testDiv.lastChild", "testDiv", "testDiv.childNodes.length - 2", "testDiv", "testDiv.childNodes.length - 1"],
["testDiv", "testDiv.lastChild", "testDiv", "testDiv.childNodes.length - 1", "testDiv", "testDiv.childNodes.length"],
["testDiv", "testDiv.lastChild", "testDiv", "testDiv.childNodes.length - 1", "testDiv", "testDiv.childNodes.length - 1"],
["testDiv", "testDiv.lastChild", "testDiv", "testDiv.childNodes.length", "testDiv", "testDiv.childNodes.length"],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv.lastChild", 0, "detachedDiv.lastChild", 0],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv.lastChild", 0, "detachedDiv.lastChild", 1],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv.lastChild", 1, "detachedDiv.lastChild", 1],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv", "detachedDiv.childNodes.length - 2", "detachedDiv", "detachedDiv.childNodes.length"],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv", "detachedDiv.childNodes.length - 2", "detachedDiv", "detachedDiv.childNodes.length - 1"],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv", "detachedDiv.childNodes.length - 1", "detachedDiv", "detachedDiv.childNodes.length"],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv", "detachedDiv.childNodes.length - 1", "detachedDiv", "detachedDiv.childNodes.length - 1"],
["detachedDiv", "detachedDiv.lastChild", "detachedDiv", "detachedDiv.childNodes.length", "detachedDiv", "detachedDiv.childNodes.length"],
// Stuff that actually moves something
["paras[0]", "paras[1]", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "paras[1]", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "paras[1]", "paras[0]", 1, "paras[0]", 1],
["paras[0]", "paras[1]", "testDiv", 0, "testDiv", 1],
["paras[0]", "paras[1]", "testDiv", 0, "testDiv", 2],
["paras[0]", "paras[1]", "testDiv", 1, "testDiv", 1],
["paras[0]", "paras[1]", "testDiv", 1, "testDiv", 2],
["foreignDoc", "detachedComment", "foreignDoc", "foreignDoc.childNodes.length - 1", "foreignDoc", "foreignDoc.childNodes.length"],
["foreignDoc", "detachedComment", "foreignDoc", "foreignDoc.childNodes.length - 1", "foreignDoc", "foreignDoc.childNodes.length - 1"],
["foreignDoc", "detachedComment", "foreignDoc", "foreignDoc.childNodes.length", "foreignDoc", "foreignDoc.childNodes.length"],
["foreignDoc", "detachedComment", "detachedComment", 0, "detachedComment", 5],
["paras[0]", "xmlTextNode", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "xmlTextNode", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "xmlTextNode", "paras[0]", 1, "paras[0]", 1],
// Stuff that throws exceptions
["paras[0]", "paras[0]", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "testDiv", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "foreignDoc", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "document.doctype", "paras[0]", 0, "paras[0]", 1],
];
function testRemoveChild(affectedNode, startContainer, startOffset, endContainer, endOffset) {
var expectedStart = [startContainer, startOffset];
var expectedEnd = [endContainer, endOffset];
expectedStart = modifyForRemove(affectedNode, expectedStart);
expectedEnd = modifyForRemove(affectedNode, expectedEnd);
// We don't test cases where the parent is wrong, so this should never
// throw an exception.
affectedNode.parentNode.removeChild(affectedNode);
return expectedStart.concat(expectedEnd);
}
var removeChildTests = [
["paras[0]", "paras[0]", 0, "paras[0]", 0],
["paras[0]", "paras[0]", 0, "paras[0]", 1],
["paras[0]", "paras[0]", 1, "paras[0]", 1],
["paras[0]", "testDiv", 0, "testDiv", 0],
["paras[0]", "testDiv", 0, "testDiv", 1],
["paras[0]", "testDiv", 1, "testDiv", 1],
["paras[0]", "testDiv", 0, "testDiv", 2],
["paras[0]", "testDiv", 1, "testDiv", 2],
["paras[0]", "testDiv", 2, "testDiv", 2],
["foreignDoc.documentElement", "foreignDoc", 0, "foreignDoc", "foreignDoc.childNodes.length"],
];