// Copyright 2013 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.
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//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --harmony-collections

(function test1() {
  var wm1 = new WeakMap();
  wm1.set(Object.prototype, 23);
  assertTrue(wm1.has(Object.prototype));
  Object.freeze(Object.prototype);

  var wm2 = new WeakMap();
  var o = {};
  wm2.set(o, 42);
  assertEquals(42, wm2.get(o));
})();

(function test2() {
  var wm1 = new WeakMap();
  var o1 = {};
  wm1.set(o1, 23);
  assertTrue(wm1.has(o1));
  Object.freeze(o1);

  var wm2 = new WeakMap();
  var o2 = Object.create(o1);
  wm2.set(o2, 42);
  assertEquals(42, wm2.get(o2));
})();