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//-----------------------------------------------------------------------------
//Verify all attributes specified data property of given object:
//value, writable, enumerable, configurable
//If all attribute values are expected, return true, otherwise, return false
function dataPropertyAttributesAreCorrect(obj,
name,
value,
writable,
enumerable,
configurable) {
var attributesCorrect = true;
if (obj[name] !== value) {
if (typeof obj[name] === "number" &&
isNaN(obj[name]) &&
typeof value === "number" &&
isNaN(value)) {
// keep empty
} else {
attributesCorrect = false;
}
}
try {
if (obj[name] === "oldValue") {
obj[name] = "newValue";
} else {
obj[name] = "OldValue";
}
} catch (we) {
}
var overwrited = false;
if (obj[name] !== value) {
if (typeof obj[name] === "number" &&
isNaN(obj[name]) &&
typeof value === "number" &&
isNaN(value)) {
// keep empty
} else {
overwrited = true;
}
}
if (overwrited !== writable) {
attributesCorrect = false;
}
var enumerated = false;
for (var prop in obj) {
if (obj.hasOwnProperty(prop) && prop === name) {
enumerated = true;
}
}
if (enumerated !== enumerable) {
attributesCorrect = false;
}
var deleted = false;
try {
delete obj[name];
} catch (de) {
}
if (!obj.hasOwnProperty(name)) {
deleted = true;
}
if (deleted !== configurable) {
attributesCorrect = false;
}
return attributesCorrect;
}
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