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class X {
constructor() {
Object.defineProperty(this, "prop1", {
configurable: true,
writable: false,
value: 1
});
Object.defineProperty(this, "prop2", {
configurable: true,
get: function() { return 15; }
});
Object.defineProperty(this, "prop3", {
configurable: true,
set: function(a) { }
});
Object.defineProperty(this, "prop4", {
configurable: true,
get: function() { return 20; },
set: function(a) { }
});
}
f1() {
super.prop1 = 2;
}
f2() {
super.prop2 = 3;
}
f3() {
super.prop3 = 4;
}
f4() {
super.prop4 = 5;
}
}
var x = new X();
assertThrowsInstanceOf(() => x.f1(), TypeError);
assertEq(x.prop1, 1);
assertThrowsInstanceOf(() => x.f2(), TypeError);
assertEq(x.prop2, 15);
assertThrowsInstanceOf(() => x.f3(), TypeError);
assertEq(x.prop3, undefined);
assertThrowsInstanceOf(() => x.f4(), TypeError);
assertEq(x.prop4, 20);
if (typeof reportCompare === 'function')
reportCompare(0,0,"OK");