<!DOCTYPE html>
<html>
<body>
<script src="../../../resources/js-test-pre.js"></script>
<script>
description("Test the Element.getAttributeNames() API");

var element = document.createElement("div");
shouldBe("element.getAttributeNames().length", "0");

element.setAttribute("foo", "bar");
shouldBe("element.getAttributeNames().length", "1");
shouldBe("element.getAttributeNames()[0]", "element.attributes[0].name");
shouldBeEqualToString("element.getAttributeNames()[0]", "foo");

element.removeAttribute("foo");
shouldBe("element.getAttributeNames().length", "0");

element.setAttribute("foo", "bar");
element.setAttributeNS("", "FOO", "bar");
element.setAttributeNS("dummy1", "foo", "bar");
element.setAttributeNS("dummy2", "dummy:foo", "bar");
shouldBe("element.getAttributeNames().length", "4");
shouldBeEqualToString("element.getAttributeNames()[0]", "foo");
shouldBeEqualToString("element.getAttributeNames()[1]", "FOO");
shouldBeEqualToString("element.getAttributeNames()[2]", "foo");
shouldBeEqualToString("element.getAttributeNames()[3]", "dummy:foo");
shouldBe("element.getAttributeNames()[0]", "element.attributes[0].name");
shouldBe("element.getAttributeNames()[1]", "element.attributes[1].name");
shouldBe("element.getAttributeNames()[2]", "element.attributes[2].name");
shouldBe("element.getAttributeNames()[3]", "element.attributes[3].name");

element.removeAttributeNS("", "FOO");
shouldBe("element.getAttributeNames().length", "3");
shouldBeEqualToString("element.getAttributeNames()[0]", "foo");
shouldBeEqualToString("element.getAttributeNames()[1]", "foo");
shouldBeEqualToString("element.getAttributeNames()[2]", "dummy:foo");
shouldBe("element.getAttributeNames()[0]", "element.attributes[0].name");
shouldBe("element.getAttributeNames()[1]", "element.attributes[1].name");
shouldBe("element.getAttributeNames()[2]", "element.attributes[2].name");
</script>
<script src="../../../resources/js-test-post.js"></script>
</body>
</html>