<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<div id="element" name="element_name"></div>
<script>
description('This test checks that all but a handful of dom constructors throw exceptions, and the rest return reasonable objects. It also tests that those constructors have higher precedence than a document element with the same ID or name.');

var element = document.getElementById("element");

// These objects should throw an exception when their constructor is called
// with no arguments. (Some of them may have working constructors that require
// arguments to be valid.)
var objects_exception = [
    'Attr', 'CharacterData', 'CDATASection', 'Comment', 'Document',
    'DocumentFragment', 'DocumentType', 'Element', 'Entity',
    'EntityReference', 'HTMLDocument', 'Node', 'Notation',
    'ProcessingInstruction', 'Text', 'HTMLAllCollection', 'HTMLAnchorElement',
    'HTMLAppletElement', 'HTMLAreaElement', 'HTMLBaseElement',
    'HTMLBaseFontElement', 'HTMLBodyElement',
    'HTMLBRElement', 'HTMLButtonElement', 'HTMLCanvasElement',
    'HTMLDirectoryElement', 'HTMLDivElement', 'HTMLDListElement',
    'HTMLEmbedElement', 'HTMLFieldSetElement', 'HTMLFontElement',
    'HTMLFormElement', 'HTMLFrameElement', 'HTMLFrameSetElement',
    'HTMLHeadingElement', 'HTMLHeadElement', 'HTMLHRElement',
    'HTMLHtmlElement', 'HTMLIFrameElement', 'HTMLImageElement',
    'HTMLInputElement', 'HTMLLabelElement',
    'HTMLLegendElement', 'HTMLLIElement', 'HTMLLinkElement',
    'HTMLMapElement', 'HTMLMarqueeElement', 'HTMLMenuElement',
    'HTMLMetaElement', 'HTMLModElement', 'HTMLObjectElement',
    'HTMLOListElement', 'HTMLOptGroupElement', 'HTMLOptionElement',
    'HTMLParagraphElement', 'HTMLParamElement', 'HTMLPreElement',
    'HTMLQuoteElement', 'HTMLScriptElement', 'HTMLSelectElement',
    'HTMLStyleElement', 'HTMLTableCaptionElement',
    'HTMLTableColElement', 'HTMLTableElement',
    'HTMLTableSectionElement', 'HTMLTableCellElement',
    'HTMLTableRowElement', 'HTMLTextAreaElement', 'HTMLTitleElement',
    'HTMLUListElement', 'HTMLElement', 'CanvasRenderingContext2D',
    'Clipboard', 'Counter', 'CSSCharsetRule', 'CSSFontFaceRule',
    'CSSImportRule', 'CSSMediaRule', 'CSSPageRule',
    'CSSPrimitiveValue', 'CSSRule', 'CSSRuleList',
    'CSSStyleDeclaration', 'CSSStyleRule', 'CSSStyleSheet',
    'CSSValue', 'CSSValueList', 'DOMImplementation',
    'HTMLCollection', 'MediaList', 'MimeType',
    'MimeTypeArray', 'MutationEvent', 'NamedNodeMap',
    'NodeFilter', 'NodeList', 'Plugin',
    'PluginArray', 'Range', 'Rect', 'StyleSheet', 'StyleSheetList',
    'TextEvent', 'XPathResult', 'BarInfo',
    'CanvasGradient', 'CanvasPattern', 'Console', 'Selection',
    'Window', 'History', 'HTMLOptionsCollection', 'Location',
    'Navigator', 'NodeIterator', 'RGBColor', 'Screen', 'TreeWalker',
    'XPathExpression', 'Worker'
];

// These objects should have a working constructor.
var objects_constructor = [
    'DOMParser', 'XMLHttpRequest', 'XMLSerializer', 'XPathEvaluator',
    'XSLTProcessor'
];

// These objects should have no constructor.
var objects_no_constructor = [
    'EventTargetNode', 'UndetectableHTMLCollection',
    'XPathNSResolver', 'EventTarget', 'EventListener', 'NPObject'
];

// These objects should have a working constructor, but their constructed
// object names differ. This is therefore a map from constructor name to
// constructed object.
var objects_different_constructor = {
    'Audio': 'HTMLAudioElement',
    'Option': 'HTMLOptionElement',
    'Image': 'HTMLImageElement'
}

function TryAllocate(node) {
    var Cons = this[node];
    if (!Cons) return 'no constructor';
    try { return new Cons() + ''; }
    catch (e) { return 'exception'; }
}

function check(name, expected) {
    actual = TryAllocate(node);
    if (actual == expected) {
      document.write("PASS: " + name + " '" + expected + "'<br>");
    } else {
      document.write("FAIL: " + name + " wanted '" + expected + "', got '" +
          actual + "'<br>");
    }
}

for (var i = 0; i < objects_exception.length; i++) {
    var obj = objects_exception[i];
    shouldBe("TryAllocate('" + obj + "')", "'exception'");
}

for (var i = 0; i < objects_no_constructor.length; i++) {
    var obj = objects_no_constructor[i];
    shouldBe("TryAllocate('" + obj + "')", "'no constructor'");
}

for (var i = 0; i < objects_constructor.length; i++) {
    var obj = objects_constructor[i];
    shouldBe("TryAllocate('" + obj + "')", "'[object " + obj + "]'");
    element.id = obj;
    shouldBe("TryAllocate('" + obj + "')", "'[object " + obj + "]'");
    element.id = "element";
    element.name = obj;
    shouldBe("TryAllocate('" + obj + "')", "'[object " + obj + "]'");
    element.name = "element_name";
}

for (var obj in objects_different_constructor) {
    shouldBe("TryAllocate('" + obj + "')",
             "'[object " + objects_different_constructor[obj] + "]'");
    element.id = obj;
    shouldBe("TryAllocate('" + obj + "')",
             "'[object " + objects_different_constructor[obj] + "]'");
    element.id = "element";
    element.name = obj;
    shouldBe("TryAllocate('" + obj + "')",
             "'[object " + objects_different_constructor[obj] + "]'");
    element.name = "element_name";
}
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>