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// Test that you can't call the SavedFrame constructor and can only use
// SavedFrame's getters on SavedFrame instances.
load(libdir + "asserts.js");
let proto = Object.getPrototypeOf(saveStack());
// Can't create new SavedFrame instances by hand.
print("Testing constructor");
assertThrowsInstanceOf(() => {
new proto.constructor();
}, TypeError);
for (let p of ["source", "line", "column", "functionDisplayName", "parent"]) {
print("Testing getter: " + p);
// The getters shouldn't work on the prototype.
assertThrowsInstanceOf(() => proto[p], TypeError);
// Nor should they work on random objects.
let o = {};
Object.defineProperty(o, p, Object.getOwnPropertyDescriptor(proto, p));
assertThrowsInstanceOf(() => o[p], TypeError);
}
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