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let superArrow;
let thisArrow;
let thisStash;
class base {
constructor() {
// We run this constructor twice as part of the double init check
if (!thisStash)
thisStash = {prop:45};
return thisStash;
}
}
class foo extends base {
constructor() {
superArrow = (()=>super());
thisArrow = ()=>this;
}
}
// Populate the arrow function saves. Since we never invoke super(), we throw
assertThrowsInstanceOf(()=>new foo(), ReferenceError);
// No |this| binding in the closure, yet
assertThrowsInstanceOf(thisArrow, ReferenceError);
// call super()
superArrow();
// Can't call it twice
assertThrowsInstanceOf(superArrow, ReferenceError);
// Oh look, |this| is populated, now.
assertEq(thisArrow(), thisStash);
if (typeof reportCompare === 'function')
reportCompare(0,0,"OK");