v8/test/webkit/propertyIsEnumerable.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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description(
"This tests that propertyIsEnumerable works according to the ECMA spec."
);

a = new Array();
a.foo='bar'

var aVarDecl;
function aFunctionDecl(){}
var global = this;
shouldBeFalse("a.propertyIsEnumerable('length')");
shouldBeTrue("a.propertyIsEnumerable ('foo')");
shouldBeFalse("a.propertyIsEnumerable ('non-existent')");

shouldBeTrue("global.propertyIsEnumerable ('aVarDecl')");
shouldBeTrue("global.propertyIsEnumerable ('aFunctionDecl')");
shouldBeFalse("global.propertyIsEnumerable ('Math')");
shouldBeFalse("global.propertyIsEnumerable ('NaN')");
shouldBeFalse("global.propertyIsEnumerable ('undefined')");