<!DOCTYPE html>
<html>
<body id="test">
<script src="../../../resources/js-test-pre.js"></script>
<script>
description("Tests that Attr Nodes cannot have children.");

const idAttr = document.body.getAttributeNode("id");
shouldBe("idAttr.__proto__", "Attr.prototype");
shouldBe("idAttr.ownerElement", "document.body");
shouldBeEqualToString("idAttr.name", "id");
shouldBeEqualToString("idAttr.localName", "id");
shouldBeNull("idAttr.parentNode");
shouldBeNull("idAttr.firstChild");
shouldBeNull("idAttr.lastChild");
shouldBeFalse("idAttr.hasChildNodes()");
shouldBe("idAttr.childNodes.length" , "0");
shouldBeEqualToString("idAttr.value", "test");
shouldBeEqualToString("idAttr.nodeValue", "test");
shouldBeEqualToString("idAttr.textContent", "test");

const text = document.createTextNode("bar");
shouldThrowErrorName("idAttr.appendChild(text)", "HierarchyRequestError");
shouldThrowErrorName("idAttr.insertBefore(text, null)", "HierarchyRequestError");

debug("");
let detachedAttr = document.createAttribute("foo");
shouldBeEqualToString("detachedAttr.name", "foo");
shouldBeEqualToString("detachedAttr.localName", "foo");
shouldBeEqualToString("detachedAttr.value", "");
shouldBeEqualToString("detachedAttr.nodeValue", "");
shouldBeEqualToString("detachedAttr.textContent", "");
shouldBeNull("detachedAttr.ownerElement")
shouldBeNull("detachedAttr.parentNode");
shouldBeNull("detachedAttr.firstChild");
shouldBeNull("detachedAttr.lastChild");
shouldBeFalse("detachedAttr.hasChildNodes()");
shouldBe("detachedAttr.childNodes.length" , "0");
shouldThrowErrorName("detachedAttr.appendChild(text)", "HierarchyRequestError");
shouldThrowErrorName("detachedAttr.insertBefore(text, null)", "HierarchyRequestError");

debug("");
evalAndLog("detachedAttr.value = 'bar'");
shouldBeEqualToString("detachedAttr.value", "bar");
shouldBeEqualToString("detachedAttr.nodeValue", "bar");
shouldBeEqualToString("detachedAttr.textContent", "bar");
shouldBeNull("detachedAttr.firstChild");
shouldBeNull("detachedAttr.lastChild");
shouldBeFalse("detachedAttr.hasChildNodes()");
shouldBe("detachedAttr.childNodes.length" , "0");

debug("");
evalAndLog("detachedAttr.nodeValue = 'bar2'");
shouldBeEqualToString("detachedAttr.value", "bar2");
shouldBeEqualToString("detachedAttr.nodeValue", "bar2");
shouldBeEqualToString("detachedAttr.textContent", "bar2");

debug("");
evalAndLog("detachedAttr.textContent = 'bar3'");
shouldBeEqualToString("detachedAttr.value", "bar3");
shouldBeEqualToString("detachedAttr.nodeValue", "bar3");
shouldBeEqualToString("detachedAttr.textContent", "bar3");

debug("");
evalAndLog("detachedAttr.value = null");
shouldBeEqualToString("detachedAttr.value", "null");

debug("");
evalAndLog("detachedAttr.nodeValue = null");
shouldBeEqualToString("detachedAttr.value", "");

debug("");
evalAndLog("detachedAttr.textContent = null");
shouldBeEqualToString("detachedAttr.value", "");

debug("");
evalAndLog("detachedAttr.value = 'bar'");
evalAndLog("document.body.setAttributeNode(detachedAttr)");
const fooAttr = detachedAttr;
detachedAttr = null;
shouldBe("fooAttr.ownerElement", "document.body");
shouldBe("document.body.getAttributeNode('foo')", "fooAttr");
shouldBeEqualToString("document.body.getAttribute('foo')", "bar");
shouldBeEqualToString("fooAttr.value", "bar");
shouldBe("document.body.attributes.foo", "fooAttr");
shouldBe("document.body.attributes['foo']", "fooAttr");
shouldBe("document.body.attributes[1]", "fooAttr");
shouldBeNull("fooAttr.firstChild");
shouldBeNull("fooAttr.lastChild");
shouldBeFalse("fooAttr.hasChildNodes()");
shouldBe("fooAttr.childNodes.length" , "0");
shouldThrowErrorName("fooAttr.appendChild(text)", "HierarchyRequestError");
shouldThrowErrorName("fooAttr.insertBefore(text, null)", "HierarchyRequestError");

debug("");
</script>
<script src="../../../resources/js-test-post.js"></script>
</body>
</html>