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<!DOCTYPE html>
<meta charset="utf-8">
<title>Location.prototype objects don't have own "toString" and "valueOf" properties</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
test(t => {
assert_not_own_property(Location.prototype, "toString");
t.add_cleanup(() => { delete Location.prototype.toString; });
let val;
Object.defineProperty(Location.prototype, "toString", {
get: () => val,
set: newVal => { val = newVal; },
enumerable: false,
configurable: true,
});
Location.prototype.toString = 2;
assert_equals(Location.prototype.toString, 2);
}, "'toString' accessor property is defined");
test(t => {
assert_not_own_property(Location.prototype, "toString");
t.add_cleanup(() => { delete Location.prototype.toString; });
Location.prototype.toString = 4;
assert_equals(Location.prototype.toString, 4);
}, "'toString' data property is created via [[Set]]");
test(t => {
assert_not_own_property(Location.prototype, "valueOf");
t.add_cleanup(() => { delete Location.prototype.valueOf; });
Object.defineProperty(Location.prototype, "valueOf", {
get: () => 6,
enumerable: true,
configurable: true,
});
assert_equals(Location.prototype.valueOf, 6);
}, "'valueOf' accessor property is defined");
test(t => {
assert_not_own_property(Location.prototype, "valueOf");
t.add_cleanup(() => { delete Location.prototype.valueOf; });
Location.prototype.valueOf = 8;
assert_equals(Object.getOwnPropertyDescriptor(Location.prototype, "valueOf").value, 8);
}, "'valueOf' data property is created via [[Set]]");
</script>
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