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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Check that reduce and reduceRight call the callback function with
     29 // undefined as the receiver (which for non-strict functions is
     30 // transformed to the global object).
     31 
     32 // Check receiver for reduce and reduceRight.
     33 
     34 var global = this;
     35 function non_strict(){ assertEquals(global, this); }
     36 function strict(){ "use strict"; assertEquals(void 0, this); }
     37 function strict_null(){ "use strict"; assertEquals(null, this); }
     38 
     39 [2, 3].reduce(non_strict);
     40 [2, 3].reduce(strict);
     41 [2, 3].reduceRight(non_strict);
     42 [2, 3].reduceRight(strict);
     43 
     44 
     45 // Check the receiver for callbacks in other array methods.
     46 [2, 3].every(non_strict);
     47 [2, 3].every(non_strict, undefined);
     48 [2, 3].every(non_strict, null);
     49 [2, 3].every(strict);
     50 [2, 3].every(strict, undefined);
     51 [2, 3].every(strict_null, null);
     52 
     53 [2, 3].filter(non_strict);
     54 [2, 3].filter(non_strict, undefined);
     55 [2, 3].filter(non_strict, null);
     56 [2, 3].filter(strict);
     57 [2, 3].filter(strict, undefined);
     58 [2, 3].filter(strict_null, null);
     59 
     60 [2, 3].forEach(non_strict);
     61 [2, 3].forEach(non_strict, undefined);
     62 [2, 3].forEach(non_strict, null);
     63 [2, 3].forEach(strict);
     64 [2, 3].forEach(strict, undefined);
     65 [2, 3].forEach(strict_null, null);
     66 
     67 [2, 3].map(non_strict);
     68 [2, 3].map(non_strict, undefined);
     69 [2, 3].map(non_strict, null);
     70 [2, 3].map(strict);
     71 [2, 3].map(strict, undefined);
     72 [2, 3].map(strict_null, null);
     73 
     74 [2, 3].some(non_strict);
     75 [2, 3].some(non_strict, undefined);
     76 [2, 3].some(non_strict, null);
     77 [2, 3].some(strict);
     78 [2, 3].some(strict, undefined);
     79 [2, 3].some(strict_null, null);
     80