<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><!-- webkit-test-runner [ jscOptions=--useShadowRealm=true ] -->
<html>
<head>
<script src="../resources/js-test-pre.js"></script>
</head>
<body>
<script src =../resources/testharness.js></script>
<script src =../resources/testharnessreport.js></script>
<script>
    description("Test to ensure correct behaviour of ShadowRealm global scope");

    promise_test(async t => {
        const bootstrap = function() {
            const shadowRealm = new ShadowRealm;
            const install = shadowRealm.evaluate(`(function(name, fn) {
                globalThis[name] = fn;
                return;
            })`);
            install("debug", (...args) => { debug(...args); });
            return shadowRealm;
        }

        debug(`Object.getPrototypeOf(globalThis) === Object.prototype`);
        let shadowRealm = bootstrap();
        assert_equals(shadowRealm.evaluate("Object.getPrototypeOf(globalThis) === Object.prototype"), true);

        debug(`globalThis.__proto__ = { alpha: "omega" };`);
        shadowRealm.evaluate(`try {
            globalThis.__proto__ = { alpha: "omega" };
            "ok";
        } catch (e) {
            debug("Failed to set globalThis.__proto__");
        }`);
        assert_equals(shadowRealm.evaluate("globalThis.alpha"), "omega");

        debug(`Object.setPrototypeOf(globalThis, { chuckle: "buckle" });`);
        shadowRealm = bootstrap();
        shadowRealm.evaluate(`try {
            Object.setPrototypeOf(globalThis, { chuckle: "buckle" });
            "ok";
        } catch (e) {
            debug("Failure in Object.setPrototypeOf(globalThis)");
        }`);
        assert_equals(shadowRealm.evaluate("globalThis.chuckle"), "buckle");

        debug(`Reflect.setPrototypeOf(globalThis, { zoo: "moo" });`);
        shadowRealm = bootstrap();
        shadowRealm.evaluate(`try {
            Reflect.setPrototypeOf(globalThis, { zoo: "moo" });
            "ok";
        } catch (e) {
            debug("Failure in Reflect.setPrototypeOf(globalThis)");
        }`);
        assert_equals(shadowRealm.evaluate("globalThis.zoo"), "moo");
    }, "ShadowRealm global scope is an ordinary object");
</script>
</body>
</html>