/*
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/licenses/publicdomain/
 */

function checkConstruct(thing) {
    try {
        new thing();
        assertEq(0, 1, "not reached " + thing);
    } catch (e) {
        assertEq(e.message.includes(" is not a constructor") ||
                 e.message === "Function.prototype.toString called on incompatible object", true);
    }
}

var re = /aaa/
checkConstruct(re);

var boundFunctionPrototype = Function.prototype.bind();
checkConstruct(boundFunctionPrototype);

var boundBuiltin = Math.sin.bind();
checkConstruct(boundBuiltin);

var proxiedFunctionPrototype = new Proxy(Function.prototype, {});
checkConstruct(proxiedFunctionPrototype);

var proxiedBuiltin = new Proxy(parseInt, {});
checkConstruct(proxiedBuiltin);

if (typeof reportCompare == 'function')
    reportCompare(0, 0, "ok");