LayoutTests/js/script-tests/array-index-immediate-types.js

description(
"This test checks the behaviour of indexing an Array with immediate types."
);

var array = ["Zero", "One"];

shouldBe("array[0]", '"Zero"');
shouldBe("array[null]", "undefined");
shouldBe("array[undefined]", "undefined");
shouldBe("array[true]", "undefined");
shouldBe("array[false]", "undefined");

function putSelf(array, index)
{
    index = index << 0;
    array[index] = index;
    return true;
}

shouldBeTrue("putSelf([0], 0);");
shouldBeTrue("putSelf([0], 1/9);");