<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<script>
description("Tests parameters of document.createNodeIterator() API.");

debug("No parameters");
shouldThrow("document.createNodeIterator()", "'TypeError: Not enough arguments'");

debug("")
debug("Null root node");
shouldThrow("document.createNodeIterator(null)", "'TypeError: Argument 1 (\\'root\\') to Document.createNodeIterator must be an instance of Node'");

debug("");
debug("Primitive (symbol) NodeFilter callback");
shouldThrow("document.createNodeIterator(document, null, Symbol())", "'TypeError: Argument 3 (\\'filter\\') to Document.createNodeIterator must be an object'");

debug("");
debug("Default parameters");
evalAndLog("iterator = document.createNodeIterator(document)");
shouldBe("iterator.root", "document");
shouldBe("iterator.referenceNode", "document");
shouldBe("iterator.whatToShow", "0xFFFFFFFF");
shouldBeNull("iterator.filter");
shouldBeTrue("iterator.pointerBeforeReferenceNode");

debug("");
debug("Passing null for optional parameters");
evalAndLog("iterator = document.createNodeIterator(document, null, null)");
shouldBe("iterator.root", "document");
shouldBe("iterator.referenceNode", "document");
shouldBe("iterator.whatToShow", "0");
shouldBeNull("iterator.filter");
shouldBeTrue("iterator.pointerBeforeReferenceNode");

debug("");
debug("Passing undefined for optional parameters");
evalAndLog("iterator = document.createNodeIterator(document, undefined, undefined)");
shouldBe("iterator.root", "document");
shouldBe("iterator.referenceNode", "document");
shouldBe("iterator.whatToShow", "0xFFFFFFFF");
shouldBeNull("iterator.filter");
shouldBeTrue("iterator.pointerBeforeReferenceNode");

</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>