superProp.js - mozsearch

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var g_get_this = "get_this";

var g_prop_this = "prop_this";

class Base

    get get_prop() { return 7; }

    get get_this() { return this; }

    prop_call() { return 11; }

    prop_this() { return this.x; }

Base.prototype.prop_proto = 5;

Base.prototype.x = (-1);

Base.prototype[0] = 100;

Base.prototype[1] = 101;

Base.prototype[2] = 102;

class Derived extends Base

    get get_prop() { throw "Bad"; }

    get get_this() { throw "Bad"; }

    prop_call() { throw "Bad"; }

    prop_this() { throw "Bad"; }

    do_test_getprop()

        this.x = 13;

        assertEq(super.prop_proto, 5);

        assertEq(super.get_prop, 7);

        assertEq(super.get_this, this);

        assertEq(super.prop_call(), 11);

        assertEq(super.prop_this(), 13);

    do_test_getelem()

        this.x = 13;

        assertEq(super[g_get_this], this);

        assertEq(super[g_prop_this](), 13);

        assertEq(super[0], 100);

        assertEq(super[1], 101);

        assertEq(super[2], 102);

Derived.prototype.prop_proto = (-1);

Derived.prototype.x = (-2);

Derived.prototype[0] = (-3);

Derived.prototype[1] = (-4);

Derived.prototype[2] = (-5);

for (var i = 0; i < 20; ++i) {

    let t = new Derived();

    for (var j = 0; j < 20; ++j) {

        t.do_test_getprop();

        t.do_test_getelem();