object-addprop-hook.js

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function test() {

    var sym = Symbol();

    for (var i = 0; i < 100; i++) {

        var obj = newObjectWithAddPropertyHook();

        assertEq(obj._propertiesAdded, 0);

        obj.x = 1;

        obj.y = 2;

        obj.z = 3;

        obj[sym] = 4;

        obj[0] = 1;

        obj[1234567] = 1;

        assertEq(obj._propertiesAdded, 6);

        assertEq(obj.x, 1);

        assertEq(obj[sym], 4);

        assertEq(obj[0], 1);

test();