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<!doctype html>
<title>Selection.collapse() tests</title>
<meta name=timeout content=long>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=common.js></script>
<script>
"use strict";
function testCollapse(range, point) {
selection.removeAllRanges();
var addedRange;
if (range) {
addedRange = range.cloneRange();
selection.addRange(addedRange);
}
if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) {
assert_throws("INVALID_NODE_TYPE_ERR", function() {
selection.collapse(point[0], point[1]);
}, "Must throw INVALID_NODE_TYPE_ERR when collapse()ing if the node is a DocumentType");
return;
}
if (point[1] < 0 || point[1] > getNodeLength(point[0])) {
assert_throws("INDEX_SIZE_ERR", function() {
selection.collapse(point[0], point[1]);
}, "Must throw INDEX_SIZE_ERR when collapse()ing if the offset is negative or greater than the node's length");
return;
}
selection.collapse(point[0], point[1]);
assert_equals(selection.rangeCount, 1,
"selection.rangeCount must equal 1 after collapse()");
assert_equals(selection.focusNode, point[0],
"focusNode must equal the node we collapse()d to");
assert_equals(selection.focusOffset, point[1],
"focusOffset must equal the offset we collapse()d to");
assert_equals(selection.focusNode, selection.anchorNode,
"focusNode and anchorNode must be equal after collapse()");
assert_equals(selection.focusOffset, selection.anchorOffset,
"focusOffset and anchorOffset must be equal after collapse()");
if (range) {
assert_equals(addedRange.startContainer, range.startContainer,
"collapse() must not change the startContainer of a preexisting Range");
assert_equals(addedRange.endContainer, range.endContainer,
"collapse() must not change the endContainer of a preexisting Range");
assert_equals(addedRange.startOffset, range.startOffset,
"collapse() must not change the startOffset of a preexisting Range");
assert_equals(addedRange.endOffset, range.endOffset,
"collapse() 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]));
}
var tests = [];
for (var i = 0; i < testRanges.length; 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(["Range " + i + " " + testRanges[i] + ", point " + j + " " + testPoints[j], range, testPointsCached[j]]);
}
}
generate_tests(testCollapse, tests);
testDiv.style.display = "none";
</script>
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