xref: /external/chromium_org/v8/test/mjsunit/regress/regress-88858.js

// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --expose-gc

// Verify that JSObject::PreventExtensions works for arguments objects.

try {
    function make_watcher(name) { }
    var o, p;
    function f(flag) {
        if (flag) {
            o = arguments;
        } else {
            p = arguments;
            o.watch(0, (arguments-1901)('o'));
            p.watch(0, make_watcher('p'));
            p.unwatch(0);
            o.unwatch(0);
            p[0] = 4;
            assertEq(flag, 4);
        }
    }
    f(true);
    f(false);
    reportCompare(true, true);
} catch(exc1) { }

try {
    function __noSuchMethod__() {
       if (anonymous == "1")
           return NaN;
       return __construct__;
    }
    f.p = function() { };
    Object.freeze(p);
    new new freeze().p;
    reportCompare(0, 0, "ok");
} catch(exc2) { }

gc();