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let derivedInstance;
class base {
constructor() { }
method(a, b, c) {
assertEq(this, derivedInstance);
this.methodCalled = true;
assertEq(a, 1);
assertEq(b, 2);
assertEq(c, 3);
}
get prop() {
assertEq(this, derivedInstance);
this.getterCalled = true;
return this._prop;
}
set prop(val) {
assertEq(this, derivedInstance);
this.setterCalled = true;
this._prop = val;
}
}
class derived extends base {
constructor() { super(); }
// |super| actually checks the chain, not |this|
method() { throw "FAIL"; }
get prop() { throw "FAIL"; }
set prop(v) { throw "FAIL"; }
test() {
this.reset();
// While we're here. Let's check on super spread calls...
let spread = [1,2,3];
super.method(...spread);
super.prop++;
this.asserts();
}
testInEval() {
this.reset();
eval("super.method(1,2,3); super.prop++");
this.asserts();
}
testInArrow() {
this.reset();
(() => (super.method(1,2,3), super.prop++))();
this.asserts();
}
reset() {
this._prop = 0;
this.methodCalled = false;
this.setterCalled = false;
this.getterCalled = false;
}
asserts() {
assertEq(this.methodCalled, true);
assertEq(this.getterCalled, true);
assertEq(this.setterCalled, true);
assertEq(this._prop, 1);
}
}
derivedInstance = new derived();
derivedInstance.test();
derivedInstance.testInEval();
derivedInstance.testInArrow();
if (typeof reportCompare === 'function')
reportCompare(0,0,"OK");
|
