assert_equals("function", "function")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:8:3)

assert_equals(1, 1)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:9:3)

assert_equals(object "[object ProgressEvent]", object "[object ProgressEvent]")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:13:3)

assert_equals(false, false)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:14:3)

assert_equals(false, false)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:15:3)

assert_equals(false, false)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:16:3)

assert_throws_js(function "function TypeError() { [native code] }", function "function() {     "use strict";     delete ProgressEvent.prototype;   }")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:17:3)

assert_equals(function "function ProgressEvent() { [native code] }", function "function ProgressEvent() { [native code] }")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:21:3)

assert_equals(object "[object Event]", object "[object Event]")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:22:3)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:32:5)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:33:5)

assert_throws_js(function "function TypeError() { [native code] }", function "function() {       ProgressEvent.prototype[a[1]]     }")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:34:5)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:32:5)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:33:5)

assert_throws_js(function "function TypeError() { [native code] }", function "function() {       ProgressEvent.prototype[a[1]]     }")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:34:5)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:32:5)

assert_equals(true, true)
    at Test.<anonymous> ( /xhr/progressevent-interface.html:33:5)

assert_throws_js(function "function TypeError() { [native code] }", function "function() {       ProgressEvent.prototype[a[1]]     }")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:34:5)

assert_not_equals("window", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("self", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("document", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("name", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("location", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("customElements", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("history", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("navigation", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("locationbar", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("menubar", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("personalbar", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scrollbars", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("statusbar", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("toolbar", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("status", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("closed", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("frames", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("length", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("top", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("opener", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("parent", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("frameElement", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("navigator", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("origin", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("external", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("screen", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("innerWidth", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("innerHeight", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scrollX", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("pageXOffset", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scrollY", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("pageYOffset", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("visualViewport", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("screenX", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("screenY", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("outerWidth", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("outerHeight", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("devicePixelRatio", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("event", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("clientInformation", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("screenLeft", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("screenTop", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("styleMedia", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onsearch", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("isSecureContext", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("trustedTypes", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("performance", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onappinstalled", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforeinstallprompt", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("crypto", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("indexedDB", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("sessionStorage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("localStorage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforexrselect", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onabort", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforeinput", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforematch", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforetoggle", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onblur", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncancel", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncanplay", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncanplaythrough", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onclick", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onclose", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncontentvisibilityautostatechange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncontextlost", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncontextmenu", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncontextrestored", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oncuechange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondblclick", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondrag", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondragend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondragenter", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondragleave", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondragover", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondragstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondrop", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondurationchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onemptied", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onended", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onerror", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onfocus", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onformdata", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oninput", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("oninvalid", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onkeydown", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onkeypress", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onkeyup", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onload", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onloadeddata", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onloadedmetadata", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onloadstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmousedown", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmouseenter", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmouseleave", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmousemove", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmouseout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmouseover", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmouseup", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmousewheel", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpause", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onplay", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onplaying", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onprogress", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onratechange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onreset", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onresize", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onscroll", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onsecuritypolicyviolation", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onseeked", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onseeking", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onselect", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onslotchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onstalled", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onsubmit", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onsuspend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontimeupdate", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontoggle", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onvolumechange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwaiting", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwebkitanimationend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwebkitanimationiteration", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwebkitanimationstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwebkittransitionend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onwheel", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onauxclick", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ongotpointercapture", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onlostpointercapture", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerdown", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointermove", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerrawupdate", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerup", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointercancel", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerover", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerenter", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpointerleave", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onselectstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onselectionchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onanimationend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onanimationiteration", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onanimationstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontransitionrun", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontransitionstart", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontransitionend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ontransitioncancel", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onafterprint", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforeprint", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onbeforeunload", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onhashchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onlanguagechange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmessage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onmessageerror", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onoffline", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ononline", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpagehide", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpageshow", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpopstate", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onrejectionhandled", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onstorage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onunhandledrejection", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onunload", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("crossOriginIsolated", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scheduler", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("alert", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("atob", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("blur", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("btoa", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("cancelAnimationFrame", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("cancelIdleCallback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("captureEvents", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("clearInterval", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("clearTimeout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("close", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("confirm", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("createImageBitmap", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fetch", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("find", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("focus", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("getComputedStyle", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("getSelection", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("matchMedia", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("moveBy", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("moveTo", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("open", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("postMessage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("print", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("prompt", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("queueMicrotask", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("releaseEvents", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("reportError", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("requestAnimationFrame", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("requestIdleCallback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("resizeBy", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("resizeTo", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scroll", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scrollBy", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("scrollTo", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("setInterval", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("setTimeout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("stop", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("structuredClone", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("webkitCancelAnimationFrame", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("webkitRequestAnimationFrame", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("__playwright__binding__", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("caches", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("cookieStore", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondevicemotion", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondeviceorientation", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("ondeviceorientationabsolute", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("launchQueue", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("sharedStorage", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("documentPictureInPicture", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("getScreenDetails", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("openDatabase", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("queryLocalFonts", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("showDirectoryPicker", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("showOpenFilePicker", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("showSaveFilePicker", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("originAgentCluster", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpageswap", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onpagereveal", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("credentialless", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fence", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("speechSynthesis", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onscrollend", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onscrollsnapchange", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("onscrollsnapchanging", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("webkitRequestFileSystem", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("webkitResolveLocalFileSystemURL", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("__pwInitScripts", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("EventWatcher", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("test", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("async_test", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("promise_test", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("promise_rejects_js", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("promise_rejects_dom", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("promise_rejects_exactly", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("generate_tests", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("setup", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("promise_setup", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("done", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("on_event", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("step_timeout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("format_value", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_true", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_false", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_not_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_in_array", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_object_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_array_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_array_approx_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_approx_equals", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_less_than", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_greater_than", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_between_exclusive", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_less_than_equal", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_greater_than_equal", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_between_inclusive", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_regexp_match", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_class_string", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_own_property", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_not_own_property", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_inherits", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_idl_attribute", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_readonly", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_throws_js", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_throws_dom", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_throws_exactly", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_unreached", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_any", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_implements", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("assert_implements_optional", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fetch_tests_from_worker", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fetch_tests_from_window", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fetch_tests_from_shadow_realm", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("begin_shadow_realm_tests", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("timeout", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("add_start_callback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("add_test_state_callback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("add_result_callback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("add_completion_callback", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("AssertionError", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("OptionalFeatureUnsupportedError", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("fetch_json", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("attributes", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("TEMPORARY", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("PERSISTENT", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("addEventListener", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("dispatchEvent", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_not_equals("removeEventListener", "ProgressEvent")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:41:5)

assert_true(true, "Interface should exist.")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:45:3)

assert_true(true, "The delete operator should return true.")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:46:3)

assert_equals(undefined, undefined, "Interface should be gone.")
    at Test.<anonymous> ( /xhr/progressevent-interface.html:47:3)