38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
function assert(b) {
|
|
if (!b)
|
|
throw new Error("bad assertion.");
|
|
}
|
|
|
|
let targets = [Function, String, Array, Set, Map, WeakSet, WeakMap, RegExp, Number, Promise, Date, Boolean, Error, TypeError, SyntaxError, ArrayBuffer, Int32Array, Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint16Array, Uint32Array, Float32Array, Float64Array, DataView];
|
|
for (let target of targets) {
|
|
let error = null;
|
|
let called = false;
|
|
let handler = {
|
|
get: function(theTarget, propName) {
|
|
assert(propName === "prototype");
|
|
error = new Error;
|
|
called = true;
|
|
throw error;
|
|
}
|
|
};
|
|
|
|
let proxy = new Proxy(target, handler);
|
|
|
|
for (let i = 0; i < 500; i++) {
|
|
let threw = false;
|
|
try {
|
|
if (target === Promise)
|
|
new proxy(function() {});
|
|
else
|
|
new proxy;
|
|
} catch(e) {
|
|
threw = true;
|
|
assert(e === error);
|
|
error = null;
|
|
}
|
|
assert(threw);
|
|
assert(called);
|
|
called = false;
|
|
}
|
|
}
|