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			188 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			188 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2008 the V8 project authors. All rights reserved.
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| // Redistribution and use in source and binary forms, with or without
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| // modification, are permitted provided that the following conditions are
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| // met:
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| //
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| //     * Redistributions of source code must retain the above copyright
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| //       notice, this list of conditions and the following disclaimer.
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| //     * Redistributions in binary form must reproduce the above
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| //       copyright notice, this list of conditions and the following
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| //       disclaimer in the documentation and/or other materials provided
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| //       with the distribution.
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| //     * Neither the name of Google Inc. nor the names of its
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| //       contributors may be used to endorse or promote products derived
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| //       from this software without specific prior written permission.
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| //
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| var array = [1,2,3,1,2,3,1,2,3,1,2,3];
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| var undef_array = [0,,2,undefined,4,,6,undefined,8,,10];
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| // Sparse arrays with length 42000.
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| var sparse_array = [];
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| sparse_array[100] = 3;
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| sparse_array[200] = undefined;
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| sparse_array[300] = 4;
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| sparse_array[400] = 5;
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| sparse_array[500] = 6;
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| sparse_array[600] = 5;
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| sparse_array[700] = 4;
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| sparse_array[800] = undefined;
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| sparse_array[900] = 3
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| sparse_array[41999] = "filler";
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| 
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| var dense_object = { 0: 42, 1: 37, length: 2 };
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| var sparse_object = { 0: 42, 100000: 37, length: 200000 };
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| var funky_object = { 10:42, 100000: 42, 100001: 37, length: 50000 };
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| var infinite_object = { 10: 42, 100000: 37, length: Infinity };
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| 
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| // ----------------------------------------------------------------------
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| // Array.prototype.indexOf.
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| // ----------------------------------------------------------------------
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| 
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| // Negative cases.
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| assertEquals(-1, [].indexOf(1));
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| assertEquals(-1, array.indexOf(4));
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| assertEquals(-1, array.indexOf(3, array.length));
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| 
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| assertEquals(2, array.indexOf(3));
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| // Negative index out of range.
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| assertEquals(0, array.indexOf(1, -17));
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| // Negative index in rage.
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| assertEquals(3, array.indexOf(1, -11));
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| // Index in range.
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| assertEquals(3, array.indexOf(1, 1));
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| assertEquals(3, array.indexOf(1, 3));
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| assertEquals(6, array.indexOf(1, 4));
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| 
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| // Find undefined, not holes.
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| assertEquals(3, undef_array.indexOf(undefined));
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| assertEquals(3, undef_array.indexOf(undefined, 3));
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| assertEquals(7, undef_array.indexOf(undefined, 4));
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| assertEquals(7, undef_array.indexOf(undefined, 7));
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| assertEquals(-1, undef_array.indexOf(undefined, 8));
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| assertEquals(3, undef_array.indexOf(undefined, -11));
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| assertEquals(3, undef_array.indexOf(undefined, -8));
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| assertEquals(7, undef_array.indexOf(undefined, -7));
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| assertEquals(7, undef_array.indexOf(undefined, -4));
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| assertEquals(-1, undef_array.indexOf(undefined, -3));
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| 
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| // Find in sparse array.
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| assertEquals(100, sparse_array.indexOf(3));
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| assertEquals(900, sparse_array.indexOf(3, 101));
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| assertEquals(-1, sparse_array.indexOf(3, 901));
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| assertEquals(100, sparse_array.indexOf(3, -42000));
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| assertEquals(900, sparse_array.indexOf(3, 101 - 42000));
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| assertEquals(-1, sparse_array.indexOf(3, 901 - 42000));
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| 
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| assertEquals(300, sparse_array.indexOf(4));
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| assertEquals(700, sparse_array.indexOf(4, 301));
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| assertEquals(-1, sparse_array.indexOf(4, 701));
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| assertEquals(300, sparse_array.indexOf(4, -42000));
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| assertEquals(700, sparse_array.indexOf(4, 301 - 42000));
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| assertEquals(-1, sparse_array.indexOf(4, 701 - 42000));
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| 
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| assertEquals(200, sparse_array.indexOf(undefined));
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| assertEquals(800, sparse_array.indexOf(undefined, 201));
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| assertEquals(-1, sparse_array.indexOf(undefined, 801));
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| assertEquals(200, sparse_array.indexOf(undefined, -42000));
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| assertEquals(800, sparse_array.indexOf(undefined, 201 - 42000));
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| assertEquals(-1, sparse_array.indexOf(undefined, 801 - 42000));
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| 
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| // Find in non-arrays.
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| assertEquals(0, Array.prototype.indexOf.call(dense_object, 42));
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| assertEquals(1, Array.prototype.indexOf.call(dense_object, 37));
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| assertEquals(-1, Array.prototype.indexOf.call(dense_object, 87));
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| 
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| assertEquals(0, Array.prototype.indexOf.call(sparse_object, 42));
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| assertEquals(100000, Array.prototype.indexOf.call(sparse_object, 37));
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| assertEquals(-1, Array.prototype.indexOf.call(sparse_object, 87));
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| 
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| assertEquals(10, Array.prototype.indexOf.call(funky_object, 42));
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| assertEquals(-1, Array.prototype.indexOf.call(funky_object, 42, 15));
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| assertEquals(-1, Array.prototype.indexOf.call(funky_object, 37));
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| 
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| assertEquals(10, Array.prototype.indexOf.call(infinite_object, 42));
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| 
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| // ----------------------------------------------------------------------
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| // Array.prototype.lastIndexOf.
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| // ----------------------------------------------------------------------
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| 
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| // Negative cases.
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| assertEquals(-1, [].lastIndexOf(1));
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| assertEquals(-1, array.lastIndexOf(1, -17));
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| 
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| assertEquals(9, array.lastIndexOf(1));
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| // Index out of range.
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| assertEquals(9, array.lastIndexOf(1, array.length));
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| // Index in range.
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| assertEquals(0, array.lastIndexOf(1, 2));
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| assertEquals(3, array.lastIndexOf(1, 4));
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| assertEquals(3, array.lastIndexOf(1, 3));
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| // Negative index in range.
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| assertEquals(0, array.lastIndexOf(1, -11));
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| 
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| // Find undefined, not holes.
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| assertEquals(7, undef_array.lastIndexOf(undefined));
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| assertEquals(-1, undef_array.lastIndexOf(undefined, 2));
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| assertEquals(3, undef_array.lastIndexOf(undefined, 3));
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| assertEquals(3, undef_array.lastIndexOf(undefined, 6));
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| assertEquals(7, undef_array.lastIndexOf(undefined, 7));
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| assertEquals(7, undef_array.lastIndexOf(undefined, -1));
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| assertEquals(-1, undef_array.lastIndexOf(undefined, -9));
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| assertEquals(3, undef_array.lastIndexOf(undefined, -8));
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| assertEquals(3, undef_array.lastIndexOf(undefined, -5));
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| assertEquals(7, undef_array.lastIndexOf(undefined, -4));
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| 
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| // Find in sparse array.
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| assertEquals(900, sparse_array.lastIndexOf(3));
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| assertEquals(100, sparse_array.lastIndexOf(3, 899));
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| assertEquals(-1, sparse_array.lastIndexOf(3, 99));
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| assertEquals(900, sparse_array.lastIndexOf(3, -1));
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| assertEquals(100, sparse_array.lastIndexOf(3, 899 - 42000));
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| assertEquals(-1, sparse_array.lastIndexOf(3, 99 - 42000));
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| 
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| assertEquals(700, sparse_array.lastIndexOf(4));
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| assertEquals(300, sparse_array.lastIndexOf(4, 699));
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| assertEquals(-1, sparse_array.lastIndexOf(4, 299));
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| assertEquals(700, sparse_array.lastIndexOf(4, -1));
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| assertEquals(300, sparse_array.lastIndexOf(4, 699 - 42000));
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| assertEquals(-1, sparse_array.lastIndexOf(4, 299 - 42000));
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| 
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| assertEquals(800, sparse_array.lastIndexOf(undefined));
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| assertEquals(200, sparse_array.lastIndexOf(undefined, 799));
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| assertEquals(-1, sparse_array.lastIndexOf(undefined, 199));
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| assertEquals(800, sparse_array.lastIndexOf(undefined, -1));
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| assertEquals(200, sparse_array.lastIndexOf(undefined, 799 - 42000));
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| assertEquals(-1, sparse_array.lastIndexOf(undefined, 199 - 42000));
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| 
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| assertEquals(0, Array.prototype.lastIndexOf.call(dense_object, 42));
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| assertEquals(1, Array.prototype.lastIndexOf.call(dense_object, 37));
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| assertEquals(0, Array.prototype.lastIndexOf.call(sparse_object, 42));
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| assertEquals(100000, Array.prototype.lastIndexOf.call(sparse_object, 37));
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| 
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| //Find in non-arrays.
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| assertEquals(0, Array.prototype.lastIndexOf.call(dense_object, 42));
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| assertEquals(1, Array.prototype.lastIndexOf.call(dense_object, 37));
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| assertEquals(-1, Array.prototype.lastIndexOf.call(dense_object, 87));
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| 
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| assertEquals(0, Array.prototype.lastIndexOf.call(sparse_object, 42));
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| assertEquals(100000, Array.prototype.lastIndexOf.call(sparse_object, 37));
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| assertEquals(-1, Array.prototype.lastIndexOf.call(sparse_object, 87));
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| 
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| assertEquals(10, Array.prototype.lastIndexOf.call(funky_object, 42, 15));
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| assertEquals(10, Array.prototype.lastIndexOf.call(funky_object, 42));
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| assertEquals(-1, Array.prototype.lastIndexOf.call(funky_object, 37));
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| 
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| // This call would take too long because it would search backwards from 2**53-1
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| // assertEquals(-1, Array.prototype.lastIndexOf.call(infinite_object, 42));
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