1<?php 2 3/** 4 * Hoa 5 * 6 * 7 * @license 8 * 9 * New BSD License 10 * 11 * Copyright © 2007-2017, Hoa community. All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions are met: 15 * * Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * * Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * * Neither the name of the Hoa nor the names of its contributors may be 21 * used to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37namespace Hoa\Math\Test\Unit\Combinatorics\Combination; 38 39use Hoa\Math\Combinatorics\Combination as CUT; 40use Hoa\Test; 41 42/** 43 * Class \Hoa\Math\Test\Unit\Combinatorics\Combination. 44 * 45 * Test suite of the Γ combination. 46 * 47 * @copyright Copyright © 2007-2017 Hoa community 48 * @license New BSD License 49 */ 50class Combination extends Test\Unit\Suite 51{ 52 public function case_empty() 53 { 54 $this 55 ->given( 56 $n = 0, 57 $k = 0, 58 $withoutZero = false 59 ) 60 ->when($result = CUT::Γ($n, $k, $withoutZero)) 61 ->then 62 ->array($result) 63 ->isEmpty(); 64 } 65 66 public function case_n2_k3() 67 { 68 $this 69 ->given( 70 $n = 2, 71 $k = 3, 72 $withoutZero = false 73 ) 74 ->when($result = CUT::Γ($n, $k, $withoutZero)) 75 ->then 76 ->array($result) 77 ->isEqualTo([ 78 [3, 0], 79 [2, 1], 80 [1, 2], 81 [0, 3] 82 ]); 83 } 84 85 public function case_n3_k2() 86 { 87 $this 88 ->given( 89 $n = 3, 90 $k = 2, 91 $withoutZero = false 92 ) 93 ->when($result = CUT::Γ($n, $k, $withoutZero)) 94 ->then 95 ->array($result) 96 ->isEqualTo([ 97 [2, 0, 0], 98 [1, 1, 0], 99 [1, 0, 1], 100 [0, 2, 0], 101 [0, 1, 1], 102 [0, 0, 2] 103 ]); 104 } 105 106 public function case_n2_k3_without_zero() 107 { 108 $this 109 ->given( 110 $n = 2, 111 $k = 3, 112 $withoutZero = true 113 ) 114 ->when($result = CUT::Γ($n, $k, $withoutZero)) 115 ->then 116 ->array($result) 117 ->isEqualTo([ 118 [2, 1], 119 [1, 2] 120 ]); 121 } 122 123 public function case_n3_k2_without_zero() 124 { 125 $this 126 ->given( 127 $n = 3, 128 $k = 2, 129 $withoutZero = true 130 ) 131 ->when($result = CUT::Γ($n, $k, $withoutZero)) 132 ->then 133 ->array($result) 134 ->isEmpty(); 135 } 136} 137