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      1 // Copyright 2008 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 
     29 var loop_count = 5
     30 
     31 
     32 for (var i = 0; i < loop_count; i++) {
     33   var a = new Array();
     34   var b = Array();
     35   assertEquals(0, a.length);
     36   assertEquals(0, b.length);
     37   for (var k = 0; k < 10; k++) {
     38     assertEquals('undefined', typeof a[k]);
     39     assertEquals('undefined', typeof b[k]);
     40   }
     41 }
     42 
     43 
     44 for (var i = 0; i < loop_count; i++) {
     45   for (var j = 0; j < 100; j++) {
     46     var a = new Array(j);
     47     var b = Array(j);
     48     assertEquals(j, a.length);
     49     assertEquals(j, b.length);
     50     for (var k = 0; k < j; k++) {
     51       assertEquals('undefined', typeof a[k]);
     52       assertEquals('undefined', typeof b[k]);
     53     }
     54   }
     55 }
     56 
     57 
     58 for (var i = 0; i < loop_count; i++) {
     59   a = new Array(0, 1);
     60   assertArrayEquals([0, 1], a);
     61   a = new Array(0, 1, 2);
     62   assertArrayEquals([0, 1, 2], a);
     63   a = new Array(0, 1, 2, 3);
     64   assertArrayEquals([0, 1, 2, 3], a);
     65   a = new Array(0, 1, 2, 3, 4);
     66   assertArrayEquals([0, 1, 2, 3, 4], a);
     67   a = new Array(0, 1, 2, 3, 4, 5);
     68   assertArrayEquals([0, 1, 2, 3, 4, 5], a);
     69   a = new Array(0, 1, 2, 3, 4, 5, 6);
     70   assertArrayEquals([0, 1, 2, 3, 4, 5, 6], a);
     71   a = new Array(0, 1, 2, 3, 4, 5, 6, 7);
     72   assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7], a);
     73   a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8);
     74   assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8], a);
     75   a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
     76   assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], a);  
     77 }
     78 
     79 
     80 function innerArrayLiteral(n) {
     81   var a = new Array(n);
     82   for (var i = 0; i < n; i++) {
     83     a[i] = i * 2 + 7;
     84   }
     85   return a.join();
     86 }
     87 
     88 
     89 function testConstructOfSizeSize(n) {
     90   var str = innerArrayLiteral(n);
     91   var a = eval('[' + str + ']');
     92   var b = eval('new Array(' + str + ')')
     93   var c = eval('Array(' + str + ')')
     94   assertEquals(n, a.length);  
     95   assertArrayEquals(a, b);  
     96   assertArrayEquals(a, c);  
     97 }
     98 
     99 
    100 for (var i = 0; i < loop_count; i++) {
    101   // JSObject::kInitialMaxFastElementArray is 10000.
    102   for (var j = 1000; j < 12000; j += 1000) {
    103     testConstructOfSizeSize(j);
    104   }
    105 }
    106 
    107 
    108 for (var i = 0; i < loop_count; i++) {
    109   assertArrayEquals(['xxx'], new Array('xxx'));
    110   assertArrayEquals(['xxx'], Array('xxx'));
    111   assertArrayEquals([true], new Array(true));
    112   assertArrayEquals([false], Array(false));
    113   assertArrayEquals([{a:1}], new Array({a:1}));
    114   assertArrayEquals([{b:2}], Array({b:2}));
    115 }
    116 
    117 
    118 assertThrows('new Array(3.14)');
    119 assertThrows('Array(2.72)');
    120