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load(libdir + "asserts.js");
var target = {x: 5};
var returnValue = 42;
var handler = {
get(t, p) {
if (returnValue != 42) {
bailout();
}
return returnValue;
}
};
var proxy = new Proxy(target, handler);
function testGet(p) {
return p.x;
}
for (i = 0; i < 200; i++) {
assertEq(testGet(proxy), returnValue);
}
Object.defineProperty(target, 'x', {
value: 42,
writable: false,
configurable: false
});
assertEq(testGet(proxy), returnValue);
returnValue = 41;
assertThrowsInstanceOf(function () { testGet(proxy) }, TypeError);