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<!DOCTYPE HTML>
<html>
<head>
<title>Creating and deleting captions</title>
<link rel="author" title="Erika Navara" href="mailto:edoyle@microsoft.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-table-element" />
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-table-createcaption" />
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-table-deletecaption" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<table id="table0" style="display:none">
</table>
<table id="table1" style="display:none">
<caption id="caption1">caption</caption>
<tr>
<td>cell</td>
<td>cell</td>
</tr>
</table>
<table id="table2" style="display:none">
<foo:caption>caption</foo:caption>
<tr>
<td>cell</td>
<td>cell</td>
</tr>
</table>
<table id="table3" style="display:none">
<caption id="caption3">caption 3</caption>
<tr>
<td>cell</td>
<td>cell</td>
</tr>
</table>
<table id="table4" style="display:none">
</table>
<table id="table5" style="display:none">
</table>
<script>
test(function () {
var table0 = document.getElementById('table0');
var caption = document.createElementNS("foo", "caption");
table0.appendChild(caption);
var table0FirstNode = table0.firstChild;
var testCaption = table0.createCaption();
assert_not_equals(testCaption, table0FirstNode);
assert_equals(testCaption, table0.firstChild);
}, "createCaption method creates new caption if existing caption is not in html namespace")
test(function () {
var table1 = document.getElementById('table1');
var testCaption = table1.createCaption();
var table1FirstCaption = table1.caption;
assert_equals(testCaption, table1FirstCaption);
}, "createCaption method returns the first caption element child of the table")
test(function () {
var table2 = document.getElementById('table2');
var test2Caption = table2.createCaption();
var table2FirstNode = table2.firstChild;
assert_true(test2Caption instanceof HTMLTableCaptionElement);
assert_equals(table2FirstNode, test2Caption);
}, "createCaption method creates a new caption and inserts it as the first node of the table element")
test(function () {
var table = document.createElement('table');
assert_equals(table.createCaption(), table.createCaption());
}, "createCaption will not create new caption if one exists")
test(function () {
var table = document.createElementNS("http://www.w3.org/1999/xhtml", "foo:table")
var caption = table.createCaption();
assert_equals(caption.prefix, null);
}, "createCaption will not copy table's prefix")
test(function () {
var table3 = document.getElementById('table3');
assert_equals(table3.caption.textContent, "caption 3");
table3.deleteCaption();
assert_equals(table3.caption, null);
}, "deleteCaption method removes the first caption element child of the table element")
test(function () {
var table4 = document.getElementById('table4');
var caption = document.createElementNS("foo", "caption");
table4.appendChild(caption);
table4.deleteCaption();
assert_equals(caption.parentNode, table4);
}, "deleteCaption method not remove caption that is not in html namespace")
test(function() {
var table5 = document.getElementById('table5');
var caption = document.createElement('caption');
caption.appendChild(table5)
// Node cannot be inserted at the specified point in the hierarchy
assert_throws("HierarchyRequestError", function() {
table5.caption = caption;
});
assert_not_equals(table5.caption, caption);
}, "Setting caption rethrows exception");
</script>
</body>
</html>
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