text: // Copyright 2008 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.
  
  function f0() {
    return this;
  }
  
  assertTrue(this === f0.call(), "1");
  
  assertTrue(this === f0.call(this), "w");
  assertTrue(this === f0.call(this, 1), "w");
  assertTrue(this === f0.call(this, 1, 2), "w");
  
  assertTrue(this === f0.call(null), "3a");
  assertTrue(this === f0.call(null, 1), "3b");
  assertTrue(this === f0.call(null, 1, 2), "3c");
  
  assertTrue(this === f0.call(void 0), "4a");
  assertTrue(this === f0.call(void 0, 1), "4b");
  assertTrue(this === f0.call(void 0, 1, 2), "4c");
  
  var x = {};
  assertTrue(x === f0.call(x));
  assertTrue(x === f0.call(x, 1));
  assertTrue(x === f0.call(x, 1, 2));
  
  
  function f1(a) {
    a = a || 'i';
    return this[a];
  }
  
  assertEquals(1, f1.call({i:1}));
  assertEquals(42, f1.call({i:42}, 'i'));
  assertEquals(87, f1.call({j:87}, 'j', 1));
  assertEquals(99, f1.call({k:99}, 'k', 1, 2));
  
  
  function f2(a, b) {
    a = a || 'n';
    b = b || 2;
    return this[a] + b;
  }
  
  var x = {n: 1};
  assertEquals(3, f2.call(x));
  assertEquals(14, f2.call({i:12}, 'i'));
  assertEquals(42, f2.call(x, 'n', 41));
  assertEquals(87, f2.call(x, 'n', 86, 1));
  assertEquals(99, f2.call(x, 'n', 98, 1, 2));
  
  
  function fn() {
    return arguments.length;
  }
  
  assertEquals(0, fn.call());
  assertEquals(0, fn.call(this));
  assertEquals(0, fn.call(null));
  assertEquals(0, fn.call(void 0));
  assertEquals(1, fn.call(this, 1));
  assertEquals(2, fn.call(this, 1, 2));
  assertEquals(3, fn.call(this, 1, 2, 3));
  