The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/strict/this-for-function-expression-recursion.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + */
     1.8 +
     1.9 +var gTestfile = 'this-for-function-expression-recursion.js';
    1.10 +var BUGNUMBER = 611276;
    1.11 +var summary = "JSOP_CALLEE should push undefined, not null, for this";
    1.12 +
    1.13 +print(BUGNUMBER + ": " + summary);
    1.14 +
    1.15 +/**************
    1.16 + * BEGIN TEST *
    1.17 + **************/
    1.18 +
    1.19 +// Calling a named function expression (not function statement) uses the
    1.20 +// JSOP_CALLEE opcode.  This opcode pushes its own |this|, distinct from the
    1.21 +// normal call path; verify that that |this| value is properly |undefined|.
    1.22 +
    1.23 +var calleeThisFun =
    1.24 +  function calleeThisFun(recurring)
    1.25 +  {
    1.26 +    if (recurring)
    1.27 +      return this;
    1.28 +    return calleeThisFun(true);
    1.29 +  };
    1.30 +assertEq(calleeThisFun(false), this);
    1.31 +
    1.32 +var calleeThisStrictFun =
    1.33 +  function calleeThisStrictFun(recurring)
    1.34 +  {
    1.35 +    "use strict";
    1.36 +    if (recurring)
    1.37 +      return this;
    1.38 +    return calleeThisStrictFun(true);
    1.39 +  };
    1.40 +assertEq(calleeThisStrictFun(false), undefined);
    1.41 +
    1.42 +/******************************************************************************/
    1.43 +
    1.44 +if (typeof reportCompare === "function")
    1.45 +  reportCompare(true, true);
    1.46 +
    1.47 +print("All tests passed!");