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<!doctype html>
<meta charset="utf-8">
<title>tFoot tests</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<table id="t">
<caption id="tcaption"></caption><thead id="thead"></thead><tbody id="tbody1"></tbody><tbody id="tbody2"></tbody><tfoot id="tfoot1"></tfoot><tfoot id="tfoot2"></tfoot><tfoot id="tfoot3"></tfoot></table>
<script>
test(function() {
var t = document.getElementById("t");
var tfoot1 = document.getElementById("tfoot1");
assert_equals(t.tFoot, tfoot1);
var tfoot2 = document.getElementById("tfoot2");
t.tFoot = null;
assert_equals(t.tFoot, tfoot2);
var tfoot3 = document.getElementById("tfoot3");
t.deleteTFoot();
assert_equals(t.tFoot, tfoot3);
var tfoot = t.createTFoot();
assert_equals(t.tFoot, tfoot);
assert_equals(tfoot, tfoot3);
t.deleteTFoot();
assert_equals(t.tFoot, null);
var tbody2 = document.getElementById("tbody2");
tfoot = t.createTFoot();
assert_equals(t.tFoot, tfoot);
assert_equals(t.tFoot.previousSibling, tbody2);
assert_equals(t.tFoot.nextSibling, null);
t.deleteTFoot();
assert_equals(t.tFoot, null);
t.tFoot = tfoot;
assert_equals(t.tFoot, tfoot);
assert_equals(t.tFoot.previousSibling, tbody2);
assert_equals(t.tFoot.nextSibling, null);
assert_throws(new TypeError(), function(){
t.tFoot = document.createElement("div");
});
assert_throws("HierarchyRequestError", function(){
t.tFoot = document.createElement("thead");
});
})
</script>
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