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"use strict";
function testCollapse(range, point, method) {
selection.removeAllRanges();
var addedRange;
if (range) {
addedRange = range.cloneRange();
selection.addRange(addedRange);
}
if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) {
assert_throws_dom("INVALID_NODE_TYPE_ERR", function() {
selection[method](point[0], point[1]);
}, "Must throw INVALID_NODE_TYPE_ERR when " + method + "()ing if the node is a DocumentType");
return;
}
if (point[1] < 0 || point[1] > getNodeLength(point[0])) {
assert_throws_dom("INDEX_SIZE_ERR", function() {
selection[method](point[0], point[1]);
}, "Must throw INDEX_SIZE_ERR when " + method + "()ing if the offset is negative or greater than the node's length");
return;
}
if (!document.contains(point[0])) {
assertSelectionNoChange(function() {
selection[method](point[0], point[1]);
});
return;
}
selection[method](point[0], point[1]);
assert_equals(selection.rangeCount, 1,
"selection.rangeCount must equal 1 after " + method + "()");
assert_equals(selection.focusNode, point[0],
"focusNode must equal the node we " + method + "()d to");
assert_equals(selection.focusOffset, point[1],
"focusOffset must equal the offset we " + method + "()d to");
assert_equals(selection.focusNode, selection.anchorNode,
"focusNode and anchorNode must be equal after " + method + "()");
assert_equals(selection.focusOffset, selection.anchorOffset,
"focusOffset and anchorOffset must be equal after " + method + "()");
if (range) {
assert_equals(addedRange.startContainer, range.startContainer,
method + "() must not change the startContainer of a preexisting Range");
assert_equals(addedRange.endContainer, range.endContainer,
method + "() must not change the endContainer of a preexisting Range");
assert_equals(addedRange.startOffset, range.startOffset,
method + "() must not change the startOffset of a preexisting Range");
assert_equals(addedRange.endOffset, range.endOffset,
method + "() must not change the endOffset of a preexisting Range");
}
}
// Also test a selection with no ranges
testRanges.unshift("[]");
// Don't want to eval() each point a bazillion times
var testPointsCached = [];
for (var i = 0; i < testPoints.length; i++) {
testPointsCached.push(eval(testPoints[i]));
}
// Run a subset of all of collapse tests.
// Huge number of tests in a single file causes problems. Each of
// collapse-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 testCollapseSubSet(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.";
var tests = [];
for (var i = startIndex; i < endIndex; i++) {
var endpoints = eval(testRanges[i]);
var range;
test(function() {
if (endpoints.length) {
range = ownerDocument(endpoints[0]).createRange();
range.setStart(endpoints[0], endpoints[1]);
range.setEnd(endpoints[2], endpoints[3]);
} else {
// Empty selection
range = null;
}
}, "Set up range " + i + " " + testRanges[i]);
for (var j = 0; j < testPoints.length; j++) {
tests.push(["collapse() on " + testRanges[i] + " to " + testPoints[j],
range, testPointsCached[j], "collapse"]);
tests.push(["setPosition() on " + testRanges[i] + " to " + testPoints[j],
range, testPointsCached[j], "setPosition"]);
}
}
generate_tests(testCollapse, tests);
}
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