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/Function/arguments-caller-callee.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,66 @@
     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 = 'arguments-caller-callee.js';
    1.10 +var BUGNUMBER = 514563;
    1.11 +var summary = "arguments.caller and arguments.callee are poison pills in ES5";
    1.12 +
    1.13 +print(BUGNUMBER + ": " + summary);
    1.14 +
    1.15 +/**************
    1.16 + * BEGIN TEST *
    1.17 + **************/
    1.18 +
    1.19 +// behavior
    1.20 +
    1.21 +function expectTypeError(fun)
    1.22 +{
    1.23 +  try
    1.24 +  {
    1.25 +    fun();
    1.26 +    throw new Error("didn't throw");
    1.27 +  }
    1.28 +  catch (e)
    1.29 +  {
    1.30 +    assertEq(e instanceof TypeError, true,
    1.31 +             "expected TypeError calling function" +
    1.32 +             ("name" in fun ? " " + fun.name : "") + ", instead got: " + e);
    1.33 +  }
    1.34 +}
    1.35 +
    1.36 +function bar() { "use strict"; return arguments; }
    1.37 +expectTypeError(function barCaller() { bar().caller; });
    1.38 +expectTypeError(function barCallee() { bar().callee; });
    1.39 +
    1.40 +function baz() { return arguments; }
    1.41 +assertEq(baz().callee, baz);
    1.42 +
    1.43 +
    1.44 +// accessor identity
    1.45 +
    1.46 +function strictMode() { "use strict"; return arguments; }
    1.47 +var canonicalTTE = Object.getOwnPropertyDescriptor(strictMode(), "caller").get;
    1.48 +
    1.49 +var args = strictMode();
    1.50 +
    1.51 +var argsCaller = Object.getOwnPropertyDescriptor(args, "caller");
    1.52 +assertEq("get" in argsCaller, true);
    1.53 +assertEq("set" in argsCaller, true);
    1.54 +assertEq(argsCaller.get, canonicalTTE);
    1.55 +assertEq(argsCaller.set, canonicalTTE);
    1.56 +
    1.57 +var argsCallee = Object.getOwnPropertyDescriptor(args, "callee");
    1.58 +assertEq("get" in argsCallee, true);
    1.59 +assertEq("set" in argsCallee, true);
    1.60 +assertEq(argsCallee.get, canonicalTTE);
    1.61 +assertEq(argsCallee.set, canonicalTTE);
    1.62 +
    1.63 +
    1.64 +/******************************************************************************/
    1.65 +
    1.66 +if (typeof reportCompare === "function")
    1.67 +  reportCompare(true, true);
    1.68 +
    1.69 +print("All tests passed!");