diff --git a/src/components/script/dom/bindings/utils.rs b/src/components/script/dom/bindings/utils.rs
index 9674331ce39..ab9d6a52f09 100644
--- a/src/components/script/dom/bindings/utils.rs
+++ b/src/components/script/dom/bindings/utils.rs
@@ -7,6 +7,7 @@
 use dom::bindings::codegen::PrototypeList;
 use dom::bindings::codegen::PrototypeList::MAX_PROTO_CHAIN_LENGTH;
 use dom::bindings::conversions::{FromJSValConvertible, IDLInterface};
+use dom::bindings::error::throw_type_error;
 use dom::bindings::global::{GlobalRef, GlobalField, WindowField, WorkerField};
 use dom::bindings::js::{JS, Temporary, Root};
 use dom::bindings::trace::Untraceable;
@@ -401,8 +402,8 @@ fn CreateInterfacePrototypeObject(cx: *mut JSContext, global: *mut JSObject,
 
 /// A throwing constructor, for those interfaces that have neither
 /// `NoInterfaceObject` nor `Constructor`.
-pub extern fn ThrowingConstructor(_cx: *mut JSContext, _argc: c_uint, _vp: *mut JSVal) -> JSBool {
-    // FIXME(#347) should trigger exception here
+pub extern fn ThrowingConstructor(cx: *mut JSContext, _argc: c_uint, _vp: *mut JSVal) -> JSBool {
+    throw_type_error(cx, "Illegal constructor.");
     return 0;
 }
 
diff --git a/src/test/wpt/metadata/XMLHttpRequest/interfaces.html.ini b/src/test/wpt/metadata/XMLHttpRequest/interfaces.html.ini
index c7a8088f512..c79bd41c3cd 100644
--- a/src/test/wpt/metadata/XMLHttpRequest/interfaces.html.ini
+++ b/src/test/wpt/metadata/XMLHttpRequest/interfaces.html.ini
@@ -1,6 +1,18 @@
 [interfaces.html]
   type: testharness
   expected: TIMEOUT
-  [XMLHttpRequestUpload interface: existence and properties of interface object]
+  [XMLHttpRequest interface: operation open(ByteString,DOMString)]
+    expected: FAIL
+
+  [XMLHttpRequest interface: operation open(ByteString,DOMString,boolean,DOMString,DOMString)]
+    expected: FAIL
+
+  [XMLHttpRequest interface: operation send([object Object\],[object Object\],[object Object\],[object Object\],[object Object\],[object Object\])]
+    expected: FAIL
+
+  [XMLHttpRequest interface: operation overrideMimeType(DOMString)]
+    expected: FAIL
+
+  [XMLHttpRequest interface: calling open(ByteString,DOMString) on new XMLHttpRequest() with too few arguments must throw TypeError]
     expected: TIMEOUT
 
diff --git a/src/test/wpt/metadata/dom/interfaces.html.ini b/src/test/wpt/metadata/dom/interfaces.html.ini
index a5c7e783ce2..f534ec23922 100644
--- a/src/test/wpt/metadata/dom/interfaces.html.ini
+++ b/src/test/wpt/metadata/dom/interfaces.html.ini
@@ -1,6 +1,5 @@
 [interfaces.html]
   type: testharness
-  expected: TIMEOUT
   [DOMException exception: existence and properties of exception interface prototype object]
     expected: FAIL
 
@@ -40,6 +39,1032 @@
   [Event interface: new CustomEvent("foo") must have own property "isTrusted"]
     expected: FAIL
 
-  [EventTarget interface: existence and properties of interface object]
-    expected: TIMEOUT
+  [EventTarget interface: operation addEventListener(DOMString,EventListener,boolean)]
+    expected: FAIL
+
+  [EventTarget interface: operation removeEventListener(DOMString,EventListener,boolean)]
+    expected: FAIL
+
+  [NodeList interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [MutationObserver interface: existence and properties of interface object]
+    expected: FAIL
+
+  [MutationObserver interface object length]
+    expected: FAIL
+
+  [MutationObserver interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [MutationObserver interface: existence and properties of interface prototype object\'s "constructor" property]
+    expected: FAIL
+
+  [MutationObserver interface: operation observe(Node,MutationObserverInit)]
+    expected: FAIL
+
+  [MutationObserver interface: operation disconnect()]
+    expected: FAIL
+
+  [MutationObserver interface: operation takeRecords()]
+    expected: FAIL
+
+  [MutationRecord interface: existence and properties of interface object]
+    expected: FAIL
+
+  [MutationRecord interface object length]
+    expected: FAIL
+
+  [MutationRecord interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [MutationRecord interface: existence and properties of interface prototype object\'s "constructor" property]
+    expected: FAIL
+
+  [MutationRecord interface: attribute type]
+    expected: FAIL
+
+  [MutationRecord interface: attribute target]
+    expected: FAIL
+
+  [MutationRecord interface: attribute addedNodes]
+    expected: FAIL
+
+  [MutationRecord interface: attribute removedNodes]
+    expected: FAIL
+
+  [MutationRecord interface: attribute previousSibling]
+    expected: FAIL
+
+  [MutationRecord interface: attribute nextSibling]
+    expected: FAIL
+
+  [MutationRecord interface: attribute attributeName]
+    expected: FAIL
+
+  [MutationRecord interface: attribute attributeNamespace]
+    expected: FAIL
+
+  [MutationRecord interface: attribute oldValue]
+    expected: FAIL
+
+  [Node interface: operation cloneNode(boolean)]
+    expected: FAIL
+
+  [Document interface: attribute origin]
+    expected: FAIL
+
+  [Document interface: operation importNode(Node,boolean)]
+    expected: FAIL
+
+  [Document interface: operation createNodeIterator(Node,unsigned long,NodeFilter)]
+    expected: FAIL
+
+  [Document interface: operation createTreeWalker(Node,unsigned long,NodeFilter)]
+    expected: FAIL
+
+  [Document interface: attribute firstElementChild]
+    expected: FAIL
+
+  [Document interface: attribute lastElementChild]
+    expected: FAIL
+
+  [Document interface: attribute childElementCount]
+    expected: FAIL
+
+  [Document interface: operation prepend([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Document interface: operation append([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Document interface: operation query(DOMString)]
+    expected: FAIL
+
+  [Document interface: operation queryAll(DOMString)]
+    expected: FAIL
+
+  [XMLDocument interface: existence and properties of interface object]
+    expected: FAIL
+
+  [XMLDocument interface object length]
+    expected: FAIL
+
+  [XMLDocument interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [XMLDocument interface: existence and properties of interface prototype object\'s "constructor" property]
+    expected: FAIL
+
+  [XMLDocument must be primary interface of xmlDoc]
+    expected: FAIL
+
+  [Stringification of xmlDoc]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "origin" with the proper type (3)]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "createNodeIterator" with the proper type (22)]
+    expected: FAIL
+
+  [Document interface: calling createNodeIterator(Node,unsigned long,NodeFilter) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "createTreeWalker" with the proper type (23)]
+    expected: FAIL
+
+  [Document interface: calling createTreeWalker(Node,unsigned long,NodeFilter) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "firstElementChild" with the proper type (26)]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "lastElementChild" with the proper type (27)]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "childElementCount" with the proper type (28)]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "prepend" with the proper type (29)]
+    expected: FAIL
+
+  [Document interface: calling prepend([object Object\],[object Object\]) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "append" with the proper type (30)]
+    expected: FAIL
+
+  [Document interface: calling append([object Object\],[object Object\]) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "query" with the proper type (31)]
+    expected: FAIL
+
+  [Document interface: calling query(DOMString) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: xmlDoc must inherit property "queryAll" with the proper type (32)]
+    expected: FAIL
+
+  [Document interface: calling queryAll(DOMString) on xmlDoc with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DOMImplementation interface: operation createDocument(DOMString,DOMString,DocumentType)]
+    expected: FAIL
+
+  [DOMImplementation interface: operation createHTMLDocument(DOMString)]
+    expected: FAIL
+
+  [DOMImplementation interface: operation hasFeature()]
+    expected: FAIL
+
+  [DOMImplementation interface: document.implementation must inherit property "hasFeature" with the proper type (3)]
+    expected: FAIL
+
+  [DocumentFragment interface: operation getElementById(DOMString)]
+    expected: FAIL
+
+  [DocumentFragment interface: attribute firstElementChild]
+    expected: FAIL
+
+  [DocumentFragment interface: attribute lastElementChild]
+    expected: FAIL
+
+  [DocumentFragment interface: attribute childElementCount]
+    expected: FAIL
+
+  [DocumentFragment interface: operation prepend([object Object\],[object Object\])]
+    expected: FAIL
+
+  [DocumentFragment interface: operation append([object Object\],[object Object\])]
+    expected: FAIL
+
+  [DocumentFragment interface: operation query(DOMString)]
+    expected: FAIL
+
+  [DocumentFragment interface: operation queryAll(DOMString)]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "getElementById" with the proper type (0)]
+    expected: FAIL
+
+  [DocumentFragment interface: calling getElementById(DOMString) on document.createDocumentFragment() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "firstElementChild" with the proper type (2)]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "lastElementChild" with the proper type (3)]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "childElementCount" with the proper type (4)]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "prepend" with the proper type (5)]
+    expected: FAIL
+
+  [DocumentFragment interface: calling prepend([object Object\],[object Object\]) on document.createDocumentFragment() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "append" with the proper type (6)]
+    expected: FAIL
+
+  [DocumentFragment interface: calling append([object Object\],[object Object\]) on document.createDocumentFragment() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "query" with the proper type (7)]
+    expected: FAIL
+
+  [DocumentFragment interface: calling query(DOMString) on document.createDocumentFragment() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentFragment interface: document.createDocumentFragment() must inherit property "queryAll" with the proper type (8)]
+    expected: FAIL
+
+  [DocumentFragment interface: calling queryAll(DOMString) on document.createDocumentFragment() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentType interface: operation before([object Object\],[object Object\])]
+    expected: FAIL
+
+  [DocumentType interface: operation after([object Object\],[object Object\])]
+    expected: FAIL
+
+  [DocumentType interface: operation replace([object Object\],[object Object\])]
+    expected: FAIL
+
+  [DocumentType interface: document.doctype must inherit property "before" with the proper type (3)]
+    expected: FAIL
+
+  [DocumentType interface: calling before([object Object\],[object Object\]) on document.doctype with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentType interface: document.doctype must inherit property "after" with the proper type (4)]
+    expected: FAIL
+
+  [DocumentType interface: calling after([object Object\],[object Object\]) on document.doctype with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DocumentType interface: document.doctype must inherit property "replace" with the proper type (5)]
+    expected: FAIL
+
+  [DocumentType interface: calling replace([object Object\],[object Object\]) on document.doctype with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: operation closest(DOMString)]
+    expected: FAIL
+
+  [Element interface: attribute firstElementChild]
+    expected: FAIL
+
+  [Element interface: attribute lastElementChild]
+    expected: FAIL
+
+  [Element interface: attribute childElementCount]
+    expected: FAIL
+
+  [Element interface: operation prepend([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: operation append([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: operation query(DOMString)]
+    expected: FAIL
+
+  [Element interface: operation queryAll(DOMString)]
+    expected: FAIL
+
+  [Element interface: attribute previousElementSibling]
+    expected: FAIL
+
+  [Element interface: attribute nextElementSibling]
+    expected: FAIL
+
+  [Element interface: operation before([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: operation after([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: operation replace([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: element must inherit property "closest" with the proper type (16)]
+    expected: FAIL
+
+  [Element interface: calling closest(DOMString) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "firstElementChild" with the proper type (22)]
+    expected: FAIL
+
+  [Element interface: element must inherit property "lastElementChild" with the proper type (23)]
+    expected: FAIL
+
+  [Element interface: element must inherit property "childElementCount" with the proper type (24)]
+    expected: FAIL
+
+  [Element interface: element must inherit property "prepend" with the proper type (25)]
+    expected: FAIL
+
+  [Element interface: calling prepend([object Object\],[object Object\]) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "append" with the proper type (26)]
+    expected: FAIL
+
+  [Element interface: calling append([object Object\],[object Object\]) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "query" with the proper type (27)]
+    expected: FAIL
+
+  [Element interface: calling query(DOMString) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "queryAll" with the proper type (28)]
+    expected: FAIL
+
+  [Element interface: calling queryAll(DOMString) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "previousElementSibling" with the proper type (31)]
+    expected: FAIL
+
+  [Element interface: element must inherit property "nextElementSibling" with the proper type (32)]
+    expected: FAIL
+
+  [Element interface: element must inherit property "before" with the proper type (33)]
+    expected: FAIL
+
+  [Element interface: calling before([object Object\],[object Object\]) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "after" with the proper type (34)]
+    expected: FAIL
+
+  [Element interface: calling after([object Object\],[object Object\]) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: element must inherit property "replace" with the proper type (35)]
+    expected: FAIL
+
+  [Element interface: calling replace([object Object\],[object Object\]) on element with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Attr interface: attribute specified]
+    expected: FAIL
+
+  [Attr interface: document.querySelector("[id\]").attributes[0\] must inherit property "specified" with the proper type (5)]
+    expected: FAIL
+
+  [CharacterData interface: attribute previousElementSibling]
+    expected: FAIL
+
+  [CharacterData interface: attribute nextElementSibling]
+    expected: FAIL
+
+  [CharacterData interface: operation before([object Object\],[object Object\])]
+    expected: FAIL
+
+  [CharacterData interface: operation after([object Object\],[object Object\])]
+    expected: FAIL
+
+  [CharacterData interface: operation replace([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Text interface object length]
+    expected: FAIL
+
+  [Text interface: operation splitText(unsigned long)]
+    expected: FAIL
+
+  [Text interface: attribute wholeText]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("abc") must inherit property "splitText" with the proper type (0)]
+    expected: FAIL
+
+  [Text interface: calling splitText(unsigned long) on document.createTextNode("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("abc") must inherit property "wholeText" with the proper type (1)]
+    expected: FAIL
+
+  [CharacterData interface: document.createTextNode("abc") must inherit property "previousElementSibling" with the proper type (7)]
+    expected: FAIL
+
+  [CharacterData interface: document.createTextNode("abc") must inherit property "nextElementSibling" with the proper type (8)]
+    expected: FAIL
+
+  [CharacterData interface: document.createTextNode("abc") must inherit property "before" with the proper type (9)]
+    expected: FAIL
+
+  [CharacterData interface: calling before([object Object\],[object Object\]) on document.createTextNode("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: document.createTextNode("abc") must inherit property "after" with the proper type (10)]
+    expected: FAIL
+
+  [CharacterData interface: calling after([object Object\],[object Object\]) on document.createTextNode("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: document.createTextNode("abc") must inherit property "replace" with the proper type (11)]
+    expected: FAIL
+
+  [CharacterData interface: calling replace([object Object\],[object Object\]) on document.createTextNode("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: xmlDoc.createProcessingInstruction("abc", "def") must inherit property "previousElementSibling" with the proper type (7)]
+    expected: FAIL
+
+  [CharacterData interface: xmlDoc.createProcessingInstruction("abc", "def") must inherit property "nextElementSibling" with the proper type (8)]
+    expected: FAIL
+
+  [CharacterData interface: xmlDoc.createProcessingInstruction("abc", "def") must inherit property "before" with the proper type (9)]
+    expected: FAIL
+
+  [CharacterData interface: calling before([object Object\],[object Object\]) on xmlDoc.createProcessingInstruction("abc", "def") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: xmlDoc.createProcessingInstruction("abc", "def") must inherit property "after" with the proper type (10)]
+    expected: FAIL
+
+  [CharacterData interface: calling after([object Object\],[object Object\]) on xmlDoc.createProcessingInstruction("abc", "def") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: xmlDoc.createProcessingInstruction("abc", "def") must inherit property "replace" with the proper type (11)]
+    expected: FAIL
+
+  [CharacterData interface: calling replace([object Object\],[object Object\]) on xmlDoc.createProcessingInstruction("abc", "def") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Comment interface object length]
+    expected: FAIL
+
+  [CharacterData interface: document.createComment("abc") must inherit property "previousElementSibling" with the proper type (7)]
+    expected: FAIL
+
+  [CharacterData interface: document.createComment("abc") must inherit property "nextElementSibling" with the proper type (8)]
+    expected: FAIL
+
+  [CharacterData interface: document.createComment("abc") must inherit property "before" with the proper type (9)]
+    expected: FAIL
+
+  [CharacterData interface: calling before([object Object\],[object Object\]) on document.createComment("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: document.createComment("abc") must inherit property "after" with the proper type (10)]
+    expected: FAIL
+
+  [CharacterData interface: calling after([object Object\],[object Object\]) on document.createComment("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CharacterData interface: document.createComment("abc") must inherit property "replace" with the proper type (11)]
+    expected: FAIL
+
+  [CharacterData interface: calling replace([object Object\],[object Object\]) on document.createComment("abc") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: attribute startContainer]
+    expected: FAIL
+
+  [Range interface: attribute startOffset]
+    expected: FAIL
+
+  [Range interface: attribute endContainer]
+    expected: FAIL
+
+  [Range interface: attribute endOffset]
+    expected: FAIL
+
+  [Range interface: attribute collapsed]
+    expected: FAIL
+
+  [Range interface: attribute commonAncestorContainer]
+    expected: FAIL
+
+  [Range interface: operation setStart(Node,unsigned long)]
+    expected: FAIL
+
+  [Range interface: operation setEnd(Node,unsigned long)]
+    expected: FAIL
+
+  [Range interface: operation setStartBefore(Node)]
+    expected: FAIL
+
+  [Range interface: operation setStartAfter(Node)]
+    expected: FAIL
+
+  [Range interface: operation setEndBefore(Node)]
+    expected: FAIL
+
+  [Range interface: operation setEndAfter(Node)]
+    expected: FAIL
+
+  [Range interface: operation collapse(boolean)]
+    expected: FAIL
+
+  [Range interface: operation selectNode(Node)]
+    expected: FAIL
+
+  [Range interface: operation selectNodeContents(Node)]
+    expected: FAIL
+
+  [Range interface: constant START_TO_START on interface object]
+    expected: FAIL
+
+  [Range interface: constant START_TO_START on interface prototype object]
+    expected: FAIL
+
+  [Range interface: constant START_TO_END on interface object]
+    expected: FAIL
+
+  [Range interface: constant START_TO_END on interface prototype object]
+    expected: FAIL
+
+  [Range interface: constant END_TO_END on interface object]
+    expected: FAIL
+
+  [Range interface: constant END_TO_END on interface prototype object]
+    expected: FAIL
+
+  [Range interface: constant END_TO_START on interface object]
+    expected: FAIL
+
+  [Range interface: constant END_TO_START on interface prototype object]
+    expected: FAIL
+
+  [Range interface: operation compareBoundaryPoints(unsigned short,Range)]
+    expected: FAIL
+
+  [Range interface: operation deleteContents()]
+    expected: FAIL
+
+  [Range interface: operation extractContents()]
+    expected: FAIL
+
+  [Range interface: operation cloneContents()]
+    expected: FAIL
+
+  [Range interface: operation insertNode(Node)]
+    expected: FAIL
+
+  [Range interface: operation surroundContents(Node)]
+    expected: FAIL
+
+  [Range interface: operation cloneRange()]
+    expected: FAIL
+
+  [Range interface: operation isPointInRange(Node,unsigned long)]
+    expected: FAIL
+
+  [Range interface: operation comparePoint(Node,unsigned long)]
+    expected: FAIL
+
+  [Range interface: operation intersectsNode(Node)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "startContainer" with the proper type (0)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "startOffset" with the proper type (1)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "endContainer" with the proper type (2)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "endOffset" with the proper type (3)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "collapsed" with the proper type (4)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "commonAncestorContainer" with the proper type (5)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setStart" with the proper type (6)]
+    expected: FAIL
+
+  [Range interface: calling setStart(Node,unsigned long) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setEnd" with the proper type (7)]
+    expected: FAIL
+
+  [Range interface: calling setEnd(Node,unsigned long) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setStartBefore" with the proper type (8)]
+    expected: FAIL
+
+  [Range interface: calling setStartBefore(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setStartAfter" with the proper type (9)]
+    expected: FAIL
+
+  [Range interface: calling setStartAfter(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setEndBefore" with the proper type (10)]
+    expected: FAIL
+
+  [Range interface: calling setEndBefore(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "setEndAfter" with the proper type (11)]
+    expected: FAIL
+
+  [Range interface: calling setEndAfter(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "collapse" with the proper type (12)]
+    expected: FAIL
+
+  [Range interface: calling collapse(boolean) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "selectNode" with the proper type (13)]
+    expected: FAIL
+
+  [Range interface: calling selectNode(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "selectNodeContents" with the proper type (14)]
+    expected: FAIL
+
+  [Range interface: calling selectNodeContents(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "START_TO_START" with the proper type (15)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "START_TO_END" with the proper type (16)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "END_TO_END" with the proper type (17)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "END_TO_START" with the proper type (18)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "compareBoundaryPoints" with the proper type (19)]
+    expected: FAIL
+
+  [Range interface: calling compareBoundaryPoints(unsigned short,Range) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "deleteContents" with the proper type (20)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "extractContents" with the proper type (21)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "cloneContents" with the proper type (22)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "insertNode" with the proper type (23)]
+    expected: FAIL
+
+  [Range interface: calling insertNode(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "surroundContents" with the proper type (24)]
+    expected: FAIL
+
+  [Range interface: calling surroundContents(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "cloneRange" with the proper type (25)]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "isPointInRange" with the proper type (27)]
+    expected: FAIL
+
+  [Range interface: calling isPointInRange(Node,unsigned long) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "comparePoint" with the proper type (28)]
+    expected: FAIL
+
+  [Range interface: calling comparePoint(Node,unsigned long) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: document.createRange() must inherit property "intersectsNode" with the proper type (29)]
+    expected: FAIL
+
+  [Range interface: calling intersectsNode(Node) on document.createRange() with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "startContainer" with the proper type (0)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "startOffset" with the proper type (1)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "endContainer" with the proper type (2)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "endOffset" with the proper type (3)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "collapsed" with the proper type (4)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "commonAncestorContainer" with the proper type (5)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setStart" with the proper type (6)]
+    expected: FAIL
+
+  [Range interface: calling setStart(Node,unsigned long) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setEnd" with the proper type (7)]
+    expected: FAIL
+
+  [Range interface: calling setEnd(Node,unsigned long) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setStartBefore" with the proper type (8)]
+    expected: FAIL
+
+  [Range interface: calling setStartBefore(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setStartAfter" with the proper type (9)]
+    expected: FAIL
+
+  [Range interface: calling setStartAfter(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setEndBefore" with the proper type (10)]
+    expected: FAIL
+
+  [Range interface: calling setEndBefore(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "setEndAfter" with the proper type (11)]
+    expected: FAIL
+
+  [Range interface: calling setEndAfter(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "collapse" with the proper type (12)]
+    expected: FAIL
+
+  [Range interface: calling collapse(boolean) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "selectNode" with the proper type (13)]
+    expected: FAIL
+
+  [Range interface: calling selectNode(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "selectNodeContents" with the proper type (14)]
+    expected: FAIL
+
+  [Range interface: calling selectNodeContents(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "START_TO_START" with the proper type (15)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "START_TO_END" with the proper type (16)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "END_TO_END" with the proper type (17)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "END_TO_START" with the proper type (18)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "compareBoundaryPoints" with the proper type (19)]
+    expected: FAIL
+
+  [Range interface: calling compareBoundaryPoints(unsigned short,Range) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "deleteContents" with the proper type (20)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "extractContents" with the proper type (21)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "cloneContents" with the proper type (22)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "insertNode" with the proper type (23)]
+    expected: FAIL
+
+  [Range interface: calling insertNode(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "surroundContents" with the proper type (24)]
+    expected: FAIL
+
+  [Range interface: calling surroundContents(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "cloneRange" with the proper type (25)]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "isPointInRange" with the proper type (27)]
+    expected: FAIL
+
+  [Range interface: calling isPointInRange(Node,unsigned long) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "comparePoint" with the proper type (28)]
+    expected: FAIL
+
+  [Range interface: calling comparePoint(Node,unsigned long) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Range interface: detachedRange must inherit property "intersectsNode" with the proper type (29)]
+    expected: FAIL
+
+  [Range interface: calling intersectsNode(Node) on detachedRange with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [NodeIterator interface: attribute root]
+    expected: FAIL
+
+  [NodeIterator interface: attribute referenceNode]
+    expected: FAIL
+
+  [NodeIterator interface: attribute pointerBeforeReferenceNode]
+    expected: FAIL
+
+  [NodeIterator interface: attribute whatToShow]
+    expected: FAIL
+
+  [NodeIterator interface: attribute filter]
+    expected: FAIL
+
+  [NodeIterator interface: operation nextNode()]
+    expected: FAIL
+
+  [NodeIterator interface: operation previousNode()]
+    expected: FAIL
+
+  [NodeIterator interface: operation detach()]
+    expected: FAIL
+
+  [NodeIterator must be primary interface of document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false)]
+    expected: FAIL
+
+  [Stringification of document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "root" with the proper type (0)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "referenceNode" with the proper type (1)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "pointerBeforeReferenceNode" with the proper type (2)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "whatToShow" with the proper type (3)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "filter" with the proper type (4)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "nextNode" with the proper type (5)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "previousNode" with the proper type (6)]
+    expected: FAIL
+
+  [NodeIterator interface: document.createNodeIterator(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "detach" with the proper type (7)]
+    expected: FAIL
+
+  [TreeWalker interface: attribute root]
+    expected: FAIL
+
+  [TreeWalker interface: attribute whatToShow]
+    expected: FAIL
+
+  [TreeWalker interface: attribute filter]
+    expected: FAIL
+
+  [TreeWalker interface: attribute currentNode]
+    expected: FAIL
+
+  [TreeWalker interface: operation parentNode()]
+    expected: FAIL
+
+  [TreeWalker interface: operation firstChild()]
+    expected: FAIL
+
+  [TreeWalker interface: operation lastChild()]
+    expected: FAIL
+
+  [TreeWalker interface: operation previousSibling()]
+    expected: FAIL
+
+  [TreeWalker interface: operation nextSibling()]
+    expected: FAIL
+
+  [TreeWalker interface: operation previousNode()]
+    expected: FAIL
+
+  [TreeWalker interface: operation nextNode()]
+    expected: FAIL
+
+  [TreeWalker must be primary interface of document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false)]
+    expected: FAIL
+
+  [Stringification of document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "root" with the proper type (0)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "whatToShow" with the proper type (1)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "filter" with the proper type (2)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "currentNode" with the proper type (3)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "parentNode" with the proper type (4)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "firstChild" with the proper type (5)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "lastChild" with the proper type (6)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "previousSibling" with the proper type (7)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "nextSibling" with the proper type (8)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "previousNode" with the proper type (9)]
+    expected: FAIL
+
+  [TreeWalker interface: document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, null, false) must inherit property "nextNode" with the proper type (10)]
+    expected: FAIL
+
+  [DOMTokenList interface: operation contains(DOMString)]
+    expected: FAIL
+
+  [DOMTokenList interface: operation add(DOMString)]
+    expected: FAIL
+
+  [DOMTokenList interface: operation remove(DOMString)]
+    expected: FAIL
+
+  [DOMTokenList interface: operation toggle(DOMString,boolean)]
+    expected: FAIL
+
+  [DOMTokenList interface: document.body.classList must inherit property "contains" with the proper type (2)]
+    expected: FAIL
+
+  [DOMTokenList interface: calling contains(DOMString) on document.body.classList with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DOMTokenList interface: document.body.classList must inherit property "add" with the proper type (3)]
+    expected: FAIL
+
+  [DOMTokenList interface: calling add(DOMString) on document.body.classList with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DOMTokenList interface: document.body.classList must inherit property "remove" with the proper type (4)]
+    expected: FAIL
+
+  [DOMTokenList interface: calling remove(DOMString) on document.body.classList with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DOMTokenList interface: document.body.classList must inherit property "toggle" with the proper type (5)]
+    expected: FAIL
+
+  [DOMTokenList interface: calling toggle(DOMString,boolean) on document.body.classList with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [DOMSettableTokenList interface: existence and properties of interface object]
+    expected: FAIL
+
+  [DOMSettableTokenList interface object length]
+    expected: FAIL
+
+  [DOMSettableTokenList interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [DOMSettableTokenList interface: existence and properties of interface prototype object\'s "constructor" property]
+    expected: FAIL
+
+  [DOMSettableTokenList interface: attribute value]
+    expected: FAIL