// Copyright 2012 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.
//
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// 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,
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function heapify(i) {
  return 2.0 * (i / 2);
}
heapify(1);

var ONE = 1;
var ANOTHER_ONE = heapify(ONE);
assertSame(ONE, ANOTHER_ONE);
assertEquals("number", typeof ONE);
assertEquals("number", typeof ANOTHER_ONE);

var set = new Set;
set.add(ONE);
assertTrue(set.has(ONE));
assertTrue(set.has(ANOTHER_ONE));

var map = new Map;
map.set(ONE, 23);
assertSame(23, map.get(ONE));
assertSame(23, map.get(ANOTHER_ONE));