1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/js1_5/Regress/regress-68498-004.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,99 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + * Date: 15 Feb 2001
1.11 + *
1.12 + * SUMMARY: self.eval(str) inside a function
1.13 + * NOTE: 'self' is just a variable used to capture the global JS object.
1.14 + *
1.15 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=68498
1.16 + * See http://bugzilla.mozilla.org/showattachment.cgi?attach_id=25251
1.17 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=69441 (!!!)
1.18 + *
1.19 + * Brendan:
1.20 + *
1.21 + * "ECMA-262 Edition 3, 10.1.3 requires a FunctionDeclaration parsed as part
1.22 + * of a Program by eval to create a property of eval's caller's variable object.
1.23 + * This test evals in the body of a with statement, whose scope chain *is*
1.24 + * relevant to the effect of parsing the FunctionDeclaration."
1.25 + */
1.26 +//-----------------------------------------------------------------------------
1.27 +var BUGNUMBER = 68498;
1.28 +var summary = 'Testing self.eval(str) inside a function';
1.29 +var statprefix = '; currently at expect[';
1.30 +var statsuffix = '] within test -';
1.31 +var sToEval='';
1.32 +var actual=[ ];
1.33 +var expect=[ ];
1.34 +
1.35 +
1.36 +// Capture a reference to the global object -
1.37 +var self = this;
1.38 +
1.39 +// You shouldn't see this global variable's value in any printout -
1.40 +var x = 'outer';
1.41 +
1.42 +// This function is the heart of the test -
1.43 +function f(o,s,x) {with(o) eval(s); return z;};
1.44 +
1.45 +// Run-time statements to pass to the eval inside f
1.46 +sToEval += 'actual[0] = typeof g;'
1.47 +sToEval += 'function g(){actual[1]=(typeof w == "undefined" || w); return x};'
1.48 +sToEval += 'actual[2] = w;'
1.49 +sToEval += 'actual[3] = typeof g;'
1.50 +sToEval += 'var z=g();'
1.51 +
1.52 +// Set the actual-results array. The next line will set actual[0] - actual[4] in one shot
1.53 +actual[4] = f({w:44}, sToEval, 'inner');
1.54 +actual[5] = 'z' in self && z;
1.55 +
1.56 +
1.57 +/* Set the expected-results array.
1.58 + *
1.59 + * Sample issue: why do we set expect[4] = 'inner'? Look at actual[4]...
1.60 + * 1. The return value of f equals z, which is not defined at compile-time
1.61 + * 2. At run-time (via with(o) eval(s) inside f), z is defined as the return value of g
1.62 + * 3. At run-time (via with(o) eval(s) inside f), g is defined to return x
1.63 + * 4. In the scope of with(o), x is undefined
1.64 + * 5. Farther up the scope chain, x can be located as an argument of f
1.65 + * 6. The value of this argument at run-time is 'inner'
1.66 + * 7. Even farther up the scope chain, the name x can be found as a global variable
1.67 + * 8. The value of this global variable is 'outer', but we should NOT have gone
1.68 + * this far up the scope chain to find x...therefore we expect 'inner'
1.69 + */
1.70 +expect[0] = 'function';
1.71 +expect[1] = 44;
1.72 +expect[2] = 44;
1.73 +expect[3] = 'function';
1.74 +expect[4] = 'inner';
1.75 +expect[5] = false;
1.76 +
1.77 +
1.78 +
1.79 +//------------------------------------------------------------------------------------------------
1.80 +test();
1.81 +//-------------------------------------------------------------------------------------------------
1.82 +
1.83 +
1.84 +function test()
1.85 +{
1.86 + enterFunc ('test');
1.87 + printBugNumber(BUGNUMBER);
1.88 + printStatus (summary);
1.89 +
1.90 + for (var i in expect)
1.91 + {
1.92 + reportCompare(expect[i], actual[i], getStatus(i));
1.93 + }
1.94 +
1.95 + exitFunc ('test');
1.96 +}
1.97 +
1.98 +
1.99 +function getStatus(i)
1.100 +{
1.101 + return (summary + statprefix + i + statsuffix);
1.102 +}
