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"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);
}
}
}
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