js/src/tests/ecma_5/strict/primitive-this-no-writeback.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/strict/primitive-this-no-writeback.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,20 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +
     1.6 +/*
     1.7 + * Any copyright is dedicated to the Public Domain.
     1.8 + * http://creativecommons.org/licenses/publicdomain/
     1.9 + */
    1.10 +
    1.11 +/* Verify that GETTHISPROP does not update the frame's |this| slot. */
    1.12 +
    1.13 +var f = String.prototype.m = function () {
    1.14 +    "use strict";
    1.15 +    assertEq(this, "s");
    1.16 +    // The GETTHISPROP should not cause |this| to become wrapped.
    1.17 +    return [this.m, this];
    1.18 +};
    1.19 +var a = "s".m();
    1.20 +assertEq(a[0], f);
    1.21 +assertEq(a[1], "s");
    1.22 +
    1.23 +reportCompare(true, true);

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