mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-12-22 21:00:23 +01:00
Refined property descriptor detection test.
This commit is contained in:
parent
6d1c051323
commit
96118e5690
@ -71,17 +71,35 @@ addTest("function name", function(){
|
||||
addTest("property descriptor", function(log){
|
||||
"use strict";
|
||||
|
||||
var descriptor = Object.getOwnPropertyDescriptor(CanvasRenderingContext2D.prototype, "getImageData");
|
||||
var desiredDescriptor = {
|
||||
const properties = [
|
||||
{
|
||||
object: CanvasRenderingContext2D.prototype,
|
||||
name: "getImageData",
|
||||
descriptor: {
|
||||
value: function getImageData(x, y, w, h){},
|
||||
writable: true,
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
};
|
||||
}
|
||||
},
|
||||
{
|
||||
object: HTMLCanvasElement.prototype,
|
||||
name: "toDataURL",
|
||||
descriptor: {
|
||||
value: function toDataURL(){},
|
||||
writable: true,
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
}
|
||||
},
|
||||
];
|
||||
|
||||
return properties.reduce(function(pass, property){
|
||||
const desiredDescriptor = property.descriptor;
|
||||
const descriptor = Object.getOwnPropertyDescriptor(property.object, property.name);
|
||||
return Object.keys(desiredDescriptor).reduce(function(pass, key){
|
||||
function keyLog(type, expected, got){
|
||||
log("wrong " + type + " for ", key, "- expected:", expected, "- got:", got);
|
||||
log(property.name + ": wrong " + type + " for ", key, "- expected:", expected, "- got:", got);
|
||||
}
|
||||
var desiredValue = desiredDescriptor[key];
|
||||
var value = descriptor[key];
|
||||
@ -110,6 +128,7 @@ addTest("property descriptor", function(log){
|
||||
keyLog("type", typeof desiredValue, typeof value);
|
||||
}
|
||||
return pass || keyPass;
|
||||
}, false) || pass;
|
||||
}, false);
|
||||
});
|
||||
addTest("error provocation 1", function(log){
|
||||
@ -191,7 +210,8 @@ addTest("error properties", function(log){
|
||||
log("Error stack starts wrong. Expected:", start, "- got :", err.stack.split(/\n/g, 2)[0]);
|
||||
canvasBlocker = true;
|
||||
}
|
||||
var message = "'getImageData' called on an object that does not implement interface CanvasRenderingContext2D.";
|
||||
var message = "'getImageData' called on an object that " +
|
||||
"does not implement interface CanvasRenderingContext2D.";
|
||||
if (err.message !== message){
|
||||
log("Error message wrong. Expected: ", message, "- got:", err.message);
|
||||
canvasBlocker = true;
|
||||
|
Loading…
x
Reference in New Issue
Block a user