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function checkGetPropError(proxy, expected) {
var msg = null;
try {
proxy.prop;
} catch (e) {
msg = e.message;
}
assertEq(msg.includes(expected), true);
}
// MustReportSameValue case.
function testSameValue() {
var t = {};
Object.defineProperty(t, "prop", {
value: 1,
writable: false,
configurable: false
});
var p = new Proxy(t, {get() { return 2; }});
for (var i = 0; i < 10; i++) {
checkGetPropError(p, "proxy must report the same value");
}
}
testSameValue();
// MustReportUndefined case.
function testUndefined() {
var t = {};
Object.defineProperty(t, "prop", {
set: function() {},
configurable: false
});
var p = new Proxy(t, {get() { return 42; }});
for (var i = 0; i < 10; i++) {
checkGetPropError(p, "proxy must report undefined");
}
}
testUndefined();