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<!DOCTYPE html>
<title>Selection.removeRange tests</title>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="common.js"></script>
<script>
"use strict";
testRanges.forEach(function(rangeData, index) {
var endpoints = eval(rangeData);
if (!isSelectableNode(endpoints[0]) || !isSelectableNode(endpoints[2]))
return;
test(function() {
var selection = getSelection();
selection.removeAllRanges();
var range = ownerDocument(endpoints[0]).createRange();
range.setStart(endpoints[0], endpoints[1]);
range.setEnd(endpoints[2], endpoints[3]);
selection.addRange(range);
assert_equals(selection.rangeCount, 1);
selection.removeRange(range);
assert_equals(selection.rangeCount, 0, 'Range should be correctly removed.');
assert_equals(selection.anchorNode, null);
assert_equals(selection.focusNode, null);
selection.addRange(range);
assert_equals(selection.rangeCount, 1);
var equivalentRange = ownerDocument(endpoints[0]).createRange();
equivalentRange.setStart(endpoints[0], endpoints[1]);
equivalentRange.setEnd(endpoints[2], endpoints[3]);
assert_throws_dom("NotFoundError",
function() { selection.removeRange(equivalentRange) },
"Removing a different range should throw");
assert_equals(selection.rangeCount, 1, 'Equivalent Range should not remove the registered Range.');
}, 'removeRange() with Range ' + index);
});
test(function() {
var selection = getSelection();
assert_throws_js(TypeError, function() { selection.removeRange(null); });
assert_throws_js(TypeError, function() { selection.removeRange(selection); });
}, 'removeRange() argument is non-optional Range');
</script>
</body>
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