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// Calls Array.prototype.sort and tests that properties are deleted in the same order in the
// native and the self-hosted implementation.
function createProxy() {
var deleted = [];
var proxy = new Proxy([, , 0], {
deleteProperty(t, pk){
deleted.push(pk);
return delete t[pk];
}
});
return {proxy, deleted};
}
function compareFn(a, b) {
return a < b ? -1 : a > b ? 1 : 0;
}
// Sort an array without a comparator function. This calls the native sort implementation.
var {proxy, deleted} = createProxy();
assertEqArray(deleted, []);
proxy.sort()
assertEqArray(deleted, ["1", "2"]);
// Now sort an array with a comparator function. This calls the self-hosted sort implementation.
var {proxy, deleted} = createProxy();
assertEqArray(deleted, []);
proxy.sort(compareFn);
assertEqArray(deleted, ["1", "2"]);
if (typeof reportCompare === "function")
reportCompare(true, true);