// Copyright 2010 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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// 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.


function TryGetPrototypeOfNonObject(x) {
  var caught = 0;
  try {
      Object.getPrototypeOf(x);
  } catch (e) {
    caught = e;
  }

  assertTrue(caught instanceof TypeError);
};

function GetPrototypeOfObject(x) {
  assertDoesNotThrow(Object.getPrototypeOf(x));
  assertNotNull(Object.getPrototypeOf(x));
  assertEquals(Object.getPrototypeOf(x), x.__proto__);
}

function F(){};

// Non object
var x = 10;

// Object
var y = new F();

// Make sure that TypeError exceptions are thrown when non-objects are passed
// as argument
TryGetPrototypeOfNonObject(0);
TryGetPrototypeOfNonObject(null);
TryGetPrototypeOfNonObject('Testing');
TryGetPrototypeOfNonObject(x);

// Make sure the real objects have this method and that it returns the
// actual prototype object. Also test for Functions and RegExp.
GetPrototypeOfObject(this);
GetPrototypeOfObject(y);
GetPrototypeOfObject({x:5});
GetPrototypeOfObject(F);
GetPrototypeOfObject(RegExp);