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/* Any copyright is dedicated to the Public Domain.
// Ensure, via proxy, that only get, set, delete, has, and getOwnPropertyDescriptor
// are touched during sorting.
const handler = {
set: function(target, prop, value) {
target[prop] = value;
return value;
},
getPrototypeOf: () => { throw "You shouldn't touch getPrototypeOf!" },
setPrototypeOf: () => { throw "You shouldn't touch setPrototypeOf!" },
isExtensible: () => { throw "You shouldn't touch isExtensible!" },
preventExtensions: () => { throw "You shouldn't touch preventExtensions!" },
defineProperty: () => { throw "You shouldn't touch defineProperty!" },
ownKeys: () => { throw "You shouldn't touch ownKeys!" },
apply: () => { throw "You shouldn't touch apply!" },
construct: () => { throw "You shouldn't touch construct!" },
}
function testArray(arr) {
let proxy = new Proxy(arr, handler)
// The supplied comparators trigger a JavaScript implemented sort.
proxy.sort((x, y) => 1 * x - y);
arr.sort((x, y) => 1 * x - y);
for (let i in arr)
assertEq(arr[i], proxy[i]);
}
testArray([-1]);
testArray([5, -1, 2, 99]);
testArray([5, -1, , , , 2, 99]);
testArray([]);
reportCompare(0, 0);