Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 8 | class BasicObjectTest extends \PHPUnit_Framework_TestCase |
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| 9 | { |
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| 10 | /** |
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| 11 | * @covers \Kint\Object\BasicObject::getRepresentations |
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| 12 | * @covers \Kint\Object\BasicObject::addRepresentation |
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| 13 | */ |
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| 14 | public function testAddRepresentation() |
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| 15 | { |
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| 16 | $o = new BasicObject(); |
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| 17 | |||
| 18 | $this->assertSame(array(), $o->getRepresentations()); |
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| 19 | $this->assertSame(null, $o->value); |
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| 20 | |||
| 21 | $this->assertTrue($o->addRepresentation($r1 = new Representation('Rep 1'))); |
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| 22 | $this->assertSame( |
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| 23 | array( |
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| 24 | 'rep_1' => $r1, |
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| 25 | ), |
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| 26 | $o->getRepresentations() |
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| 27 | ); |
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| 28 | $this->assertSame(null, $o->value); |
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| 29 | |||
| 30 | $this->assertFalse($o->addRepresentation($r1)); |
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| 31 | $this->assertSame( |
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| 32 | array( |
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| 33 | 'rep_1' => $r1, |
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| 34 | ), |
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| 35 | $o->getRepresentations() |
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| 36 | ); |
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| 37 | |||
| 38 | $this->assertTrue($o->addRepresentation($r2 = new Representation('Rep 2'))); |
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| 39 | $this->assertSame( |
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| 40 | array( |
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| 41 | 'rep_1' => $r1, |
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| 42 | 'rep_2' => $r2, |
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| 43 | ), |
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| 44 | $o->getRepresentations() |
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| 45 | ); |
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| 46 | |||
| 47 | $this->assertTrue($o->addRepresentation($r3 = new Representation('Rep 3'), 0)); |
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| 48 | $this->assertSame( |
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| 49 | array( |
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| 50 | 'rep_3' => $r3, |
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| 51 | 'rep_1' => $r1, |
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| 52 | 'rep_2' => $r2, |
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| 53 | ), |
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| 54 | $o->getRepresentations() |
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| 55 | ); |
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| 56 | |||
| 57 | $this->assertTrue($o->addRepresentation($r4 = new Representation('Rep 4'), 1)); |
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| 58 | $this->assertSame( |
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| 59 | array( |
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| 60 | 'rep_3' => $r3, |
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| 61 | 'rep_4' => $r4, |
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| 62 | 'rep_1' => $r1, |
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| 63 | 'rep_2' => $r2, |
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| 64 | ), |
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| 65 | $o->getRepresentations() |
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| 66 | ); |
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| 67 | |||
| 68 | $this->assertTrue($o->addRepresentation($r5 = new Representation('Rep 5'), 100)); |
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| 69 | $this->assertSame( |
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| 70 | array( |
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| 71 | 'rep_3' => $r3, |
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| 72 | 'rep_4' => $r4, |
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| 73 | 'rep_1' => $r1, |
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| 74 | 'rep_2' => $r2, |
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| 75 | 'rep_5' => $r5, |
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| 76 | ), |
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| 77 | $o->getRepresentations() |
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| 78 | ); |
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| 79 | |||
| 80 | $this->assertTrue($o->addRepresentation($r6 = new Representation('Rep 6'), -100)); |
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| 81 | $this->assertSame( |
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| 82 | array( |
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| 83 | 'rep_6' => $r6, |
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| 84 | 'rep_3' => $r3, |
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| 85 | 'rep_4' => $r4, |
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| 86 | 'rep_1' => $r1, |
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| 87 | 'rep_2' => $r2, |
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| 88 | 'rep_5' => $r5, |
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| 89 | ), |
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| 90 | $o->getRepresentations() |
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| 91 | ); |
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| 92 | |||
| 93 | $this->assertSame(null, $o->value); |
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| 94 | } |
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| 95 | |||
| 96 | /** |
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| 97 | * @covers \Kint\Object\BasicObject::replaceRepresentation |
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| 98 | */ |
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| 99 | public function testReplaceRepresentation() |
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| 100 | { |
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| 101 | $o = new BasicObject(); |
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| 102 | $o->addRepresentation($r1 = new Representation('Rep 1')); |
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| 103 | $o->addRepresentation($r2 = new Representation('Rep 2')); |
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| 104 | $o->addRepresentation($r3 = new Representation('Rep 3')); |
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| 105 | |||
| 106 | $this->assertSame( |
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| 107 | array( |
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| 108 | 'rep_1' => $r1, |
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| 109 | 'rep_2' => $r2, |
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| 110 | 'rep_3' => $r3, |
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| 111 | ), |
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| 112 | $o->getRepresentations() |
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| 113 | ); |
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| 114 | |||
| 115 | $o->replaceRepresentation($r2_2 = new Representation('Rep 2')); |
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| 116 | |||
| 117 | $this->assertSame( |
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| 118 | array( |
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| 119 | 'rep_1' => $r1, |
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| 120 | 'rep_2' => $r2_2, |
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| 121 | 'rep_3' => $r3, |
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| 122 | ), |
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| 123 | $o->getRepresentations() |
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| 124 | ); |
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| 125 | |||
| 126 | $o->replaceRepresentation($r2, 0); |
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| 127 | |||
| 128 | $this->assertSame( |
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| 129 | array( |
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| 130 | 'rep_2' => $r2, |
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| 131 | 'rep_1' => $r1, |
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| 132 | 'rep_3' => $r3, |
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| 133 | ), |
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| 134 | $o->getRepresentations() |
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| 135 | ); |
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| 136 | |||
| 137 | $o->replaceRepresentation($r2_2, 1); |
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| 138 | |||
| 139 | $this->assertSame( |
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| 140 | array( |
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| 141 | 'rep_1' => $r1, |
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| 142 | 'rep_2' => $r2_2, |
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| 143 | 'rep_3' => $r3, |
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| 144 | ), |
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| 145 | $o->getRepresentations() |
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| 146 | ); |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * @covers \Kint\Object\BasicObject::replaceRepresentation |
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| 151 | */ |
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| 152 | public function testRemoveRepresentation() |
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| 153 | { |
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| 154 | $o = new BasicObject(); |
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| 155 | $o->addRepresentation($r1 = new Representation('Rep 1')); |
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| 156 | $o->addRepresentation($r2 = new Representation('Rep 2')); |
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| 157 | $o->addRepresentation($r3 = new Representation('Rep 3')); |
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| 158 | |||
| 159 | $this->assertSame( |
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| 160 | array( |
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| 161 | 'rep_1' => $r1, |
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| 162 | 'rep_2' => $r2, |
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| 163 | 'rep_3' => $r3, |
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| 164 | ), |
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| 165 | $o->getRepresentations() |
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| 166 | ); |
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| 167 | |||
| 168 | $o->removeRepresentation('rep_2'); |
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| 169 | |||
| 170 | $this->assertSame( |
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| 171 | array( |
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| 172 | 'rep_1' => $r1, |
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| 173 | 'rep_3' => $r3, |
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| 174 | ), |
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| 175 | $o->getRepresentations() |
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| 176 | ); |
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| 177 | } |
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| 178 | |||
| 179 | /** |
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| 180 | * @covers \Kint\Object\BasicObject::replaceRepresentation |
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| 181 | */ |
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| 182 | public function testGetRepresentation() |
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| 183 | { |
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| 184 | $o = new BasicObject(); |
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| 185 | $o->addRepresentation($r1 = new Representation('Rep 1')); |
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| 186 | $o->addRepresentation($r2 = new Representation('Rep 2')); |
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| 187 | $o->addRepresentation($r3 = new Representation('Rep 3')); |
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| 188 | |||
| 189 | $this->assertSame($r1, $o->getRepresentation('rep_1')); |
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| 190 | $this->assertSame($r2, $o->getRepresentation('rep_2')); |
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| 191 | $this->assertSame($r3, $o->getRepresentation('rep_3')); |
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| 192 | $this->assertSame(null, $o->getRepresentation('Non-existant representation name')); |
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| 193 | } |
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| 194 | |||
| 195 | /** |
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| 196 | * @covers \Kint\Object\BasicObject::getRepresentations |
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| 197 | */ |
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| 198 | public function testGetRepresentations() |
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| 199 | { |
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| 200 | $o = new BasicObject(); |
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| 201 | $o->addRepresentation($r1 = new Representation('Rep 1')); |
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| 202 | $o->addRepresentation($r2 = new Representation('Rep 2')); |
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| 203 | $o->addRepresentation($r3 = new Representation('Rep 3')); |
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| 204 | |||
| 205 | $this->assertSame( |
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| 206 | array( |
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| 207 | 'rep_1' => $r1, |
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| 208 | 'rep_2' => $r2, |
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| 209 | 'rep_3' => $r3, |
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| 210 | ), |
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| 211 | $o->getRepresentations() |
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| 212 | ); |
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| 213 | } |
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| 214 | |||
| 215 | /** |
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| 216 | * @covers \Kint\Object\BasicObject::clearRepresentations |
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| 217 | */ |
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| 218 | public function testClearRepresentations() |
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| 219 | { |
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| 220 | $o = new BasicObject(); |
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| 221 | $o->addRepresentation($r1 = new Representation('Rep 1')); |
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| 222 | $o->addRepresentation(new Representation('Rep 2')); |
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| 223 | $o->addRepresentation(new Representation('Rep 3')); |
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| 224 | $o->value = $r1; |
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| 225 | |||
| 226 | $o->clearRepresentations(); |
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| 227 | |||
| 228 | $this->assertSame(array(), $o->getRepresentations()); |
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| 229 | $this->assertSame($r1, $o->value); |
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| 230 | } |
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| 231 | |||
| 232 | /** |
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| 233 | * @covers \Kint\Object\BasicObject::getType |
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| 234 | */ |
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| 235 | public function testGetType() |
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| 236 | { |
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| 237 | $o = new BasicObject(); |
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| 238 | $o->type = 'array'; |
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| 239 | $this->assertEquals('array', $o->getType()); |
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| 240 | } |
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| 241 | |||
| 242 | public function modifierProvider() |
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| 243 | { |
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| 244 | return array( |
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| 245 | 'public' => array( |
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| 246 | false, |
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| 247 | false, |
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| 248 | BasicObject::ACCESS_PUBLIC, |
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| 249 | 'public', |
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| 250 | ), |
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| 251 | 'public const' => array( |
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| 252 | true, |
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| 253 | false, |
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| 254 | BasicObject::ACCESS_PUBLIC, |
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| 255 | 'public const', |
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| 256 | ), |
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| 257 | 'public static' => array( |
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| 258 | false, |
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| 259 | true, |
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| 260 | BasicObject::ACCESS_PUBLIC, |
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| 261 | 'public static', |
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| 262 | ), |
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| 263 | 'protected' => array( |
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| 264 | false, |
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| 265 | false, |
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| 266 | BasicObject::ACCESS_PROTECTED, |
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| 267 | 'protected', |
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| 268 | ), |
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| 269 | 'private' => array( |
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| 270 | false, |
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| 271 | false, |
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| 272 | BasicObject::ACCESS_PRIVATE, |
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| 273 | 'private', |
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| 274 | ), |
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| 275 | 'none' => array( |
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| 276 | false, |
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| 277 | false, |
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| 278 | BasicObject::ACCESS_NONE, |
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| 279 | null, |
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| 280 | ), |
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| 281 | 'private static' => array( |
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| 282 | false, |
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| 283 | true, |
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| 284 | BasicObject::ACCESS_PRIVATE, |
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| 285 | 'private static', |
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| 286 | ), |
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| 287 | 'public const static' => array( |
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| 288 | true, |
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| 289 | true, |
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| 290 | BasicObject::ACCESS_PUBLIC, |
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| 291 | 'public const static', |
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| 292 | ), |
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| 293 | 'const' => array( |
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| 294 | true, |
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| 295 | false, |
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| 296 | BasicObject::ACCESS_NONE, |
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| 297 | 'const', |
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| 298 | ), |
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| 299 | ); |
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| 300 | $accesses = array( |
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| 301 | BasicObject::ACCESS_NONE, |
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| 302 | BasicObject::ACCESS_PUBLIC, |
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| 303 | BasicObject::ACCESS_PROTECTED, |
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| 304 | BasicObject::ACCESS_PRIVATE, |
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| 305 | ); |
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| 306 | } |
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| 307 | |||
| 308 | /** |
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| 309 | * @dataProvider modifierProvider |
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| 310 | * @covers \Kint\Object\BasicObject::getModifiers |
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| 311 | */ |
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| 312 | public function testGetModifiers($const, $static, $access, $expect) |
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| 313 | { |
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| 314 | $o = new BasicObject(); |
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| 315 | $o->const = $const; |
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| 316 | $o->static = $static; |
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| 317 | $o->access = $access; |
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| 318 | $this->assertSame($expect, $o->getModifiers()); |
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| 319 | } |
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| 320 | |||
| 321 | /** |
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| 322 | * @covers \Kint\Object\BasicObject::getAccess |
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| 323 | */ |
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| 324 | public function testGetAccess() |
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| 325 | { |
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| 326 | $o = new BasicObject(); |
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| 327 | $this->assertNull($o->getAccess()); |
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| 328 | $o->access = BasicObject::ACCESS_PUBLIC; |
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| 329 | $this->assertEquals('public', $o->getAccess()); |
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| 330 | $o->access = BasicObject::ACCESS_PROTECTED; |
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| 331 | $this->assertEquals('protected', $o->getAccess()); |
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| 332 | $o->access = BasicObject::ACCESS_PRIVATE; |
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| 333 | $this->assertEquals('private', $o->getAccess()); |
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| 334 | } |
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| 335 | |||
| 336 | /** |
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| 337 | * @covers \Kint\Object\BasicObject::getName |
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| 338 | */ |
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| 339 | public function testGetName() |
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| 340 | { |
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| 341 | $o = new BasicObject(); |
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| 342 | $o->name = '$var'; |
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| 343 | $this->assertEquals('$var', $o->getName()); |
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| 344 | $o->name = '($a + $b)'; |
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| 345 | $this->assertEquals('($a + $b)', $o->getName()); |
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| 346 | $o->name = 'This is just a name, nothing more, nothing less.'; |
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| 347 | $this->assertEquals('This is just a name, nothing more, nothing less.', $o->getName()); |
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| 348 | } |
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| 349 | |||
| 350 | /** |
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| 351 | * @covers \Kint\Object\BasicObject::getOperator |
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| 352 | */ |
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| 353 | public function testGetOperator() |
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| 354 | { |
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| 355 | $o = new BasicObject(); |
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| 356 | $this->assertNull($o->getOperator()); |
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| 357 | $o->operator = BasicObject::OPERATOR_NONE; |
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| 358 | $this->assertNull($o->getOperator()); |
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| 359 | $o->operator = BasicObject::OPERATOR_ARRAY; |
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| 360 | $this->assertEquals('=>', $o->getOperator()); |
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| 361 | $o->operator = BasicObject::OPERATOR_OBJECT; |
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| 362 | $this->assertEquals('->', $o->getOperator()); |
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| 363 | $o->operator = BasicObject::OPERATOR_STATIC; |
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| 364 | $this->assertEquals('::', $o->getOperator()); |
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| 365 | } |
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| 366 | |||
| 367 | /** |
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| 368 | * @covers \Kint\Object\BasicObject::getSize |
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| 369 | */ |
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| 370 | public function testGetSize() |
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| 371 | { |
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| 372 | $o = new BasicObject(); |
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| 373 | $this->assertNull($o->getSize()); |
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| 374 | $o->size = 0; |
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| 375 | $this->assertEquals(0, $o->getSize()); |
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| 376 | $o->size = 42; |
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| 377 | $this->assertEquals(42, $o->getSize()); |
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| 378 | } |
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| 379 | |||
| 380 | /** |
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| 381 | * @covers \Kint\Object\BasicObject::getValueShort |
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| 382 | */ |
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| 383 | public function testGetValueShort() |
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| 384 | { |
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| 385 | $o = new BasicObject(); |
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| 386 | $r = new Representation('contents'); |
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| 387 | $this->assertNull($o->getValueShort()); |
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| 388 | $o->value = $r; |
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| 389 | |||
| 390 | $r->contents = true; |
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| 391 | $this->assertNull($o->getValueShort()); |
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| 392 | $o->type = 'boolean'; |
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| 393 | $this->assertEquals('true', $o->getValueShort()); |
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| 394 | $r->contents = false; |
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| 395 | $this->assertEquals('false', $o->getValueShort()); |
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| 396 | $o->type = 'integer'; |
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| 397 | $r->contents = 1234; |
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| 398 | $this->assertEquals(1234, $o->getValueShort()); |
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| 399 | $o->type = 'double'; |
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| 400 | $r->contents = 1234.5678; |
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| 401 | $this->assertEquals(1234.5678, $o->getValueShort()); |
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| 402 | $o->type = 'array'; |
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| 403 | $r->contents = array(); |
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| 404 | $this->assertNull($o->getValueShort()); |
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| 405 | $o->type = 'string'; |
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| 406 | $r->contents = 'string'; |
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| 407 | $this->assertNull($o->getValueShort()); |
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| 408 | } |
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| 409 | |||
| 410 | /** |
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| 411 | * @covers \Kint\Object\BasicObject::getAccessPath |
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| 412 | */ |
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| 413 | public function testGetAccessPath() |
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| 414 | { |
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| 415 | $o = new BasicObject(); |
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| 416 | $this->assertNull($o->getAccessPath()); |
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| 417 | $o->access_path = 'abcdefg, hijk elemeno p'; |
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| 418 | $this->assertEquals('abcdefg, hijk elemeno p', $o->getAccessPath()); |
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| 419 | } |
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| 420 | |||
| 421 | /** |
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| 422 | * @covers \Kint\Object\BasicObject::blank |
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| 423 | */ |
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| 424 | public function testBlank() |
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| 425 | { |
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| 426 | $o = new BasicObject(); |
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| 427 | $this->assertNull($o->name); |
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| 428 | $this->assertNull($o->access_path); |
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| 429 | |||
| 430 | $o = BasicObject::blank(); |
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| 431 | $this->assertNull($o->name); |
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| 432 | $this->assertNull($o->access_path); |
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| 433 | |||
| 434 | $o = BasicObject::blank('$var'); |
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| 435 | $this->assertEquals('$var', $o->name); |
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| 436 | $this->assertEquals('$var', $o->access_path); |
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| 437 | |||
| 438 | $o = BasicObject::blank('Name', 'access_path'); |
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| 439 | $this->assertEquals('Name', $o->name); |
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| 440 | $this->assertEquals('access_path', $o->access_path); |
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| 441 | } |
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| 442 | |||
| 443 | /** |
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| 444 | * @covers \Kint\Object\BasicObject::transplant |
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| 445 | */ |
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| 446 | public function testTransplant() |
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| 447 | { |
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| 448 | $o = new BasicObject(); |
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| 449 | |||
| 450 | $o->name = 'name'; |
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| 451 | $o->size = 42; |
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| 452 | $o->access_path = 'access_path'; |
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| 453 | $o->access = BasicObject::ACCESS_PUBLIC; |
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| 454 | $o->static = true; |
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| 455 | $o->const = true; |
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| 456 | $o->type = 'type'; |
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| 457 | $o->depth = 43; |
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| 458 | $o->owner_class = 'owner_class'; |
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| 459 | $o->operator = BasicObject::OPERATOR_OBJECT; |
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| 460 | $o->reference = true; |
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| 461 | $o->hints = array('test', 'transplant', 'hints'); |
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| 462 | |||
| 463 | $r = new Representation('Test'); |
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| 464 | $o->addRepresentation($r); |
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| 465 | |||
| 466 | $o2 = $o->transplant(new BasicObject()); |
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| 467 | |||
| 468 | $this->assertEquals($o, $o2); |
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| 469 | $this->assertNotSame($o, $o2); |
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| 470 | $this->assertSame($o->value, $o2->value); |
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| 471 | |||
| 472 | $o2 = new BasicObject(); |
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| 473 | $r2 = new Representation('Test 2'); |
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| 474 | $o2->addRepresentation($r2); |
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| 475 | $o2->hints = array('test', 'thoroughly'); |
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| 476 | |||
| 477 | $o2 = $o->transplant($o2); |
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| 478 | |||
| 479 | $this->assertSame(array('test_2' => $r2, 'test' => $r), $o2->getRepresentations()); |
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| 480 | $this->assertSame(array('test', 'transplant', 'hints', 'test', 'thoroughly'), $o2->hints); |
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| 481 | } |
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| 482 | |||
| 483 | /** |
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| 484 | * @covers \Kint\Object\BasicObject::isSequential |
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| 485 | */ |
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| 486 | public function testIsSequential() |
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| 487 | { |
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| 488 | $this->assertTrue(BasicObject::isSequential(array(1, 2, 3, 4))); |
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| 489 | $this->assertFalse(BasicObject::isSequential(array(0 => 1, 1 => 2, 3 => 3, 2 => 4))); |
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| 490 | $this->assertFalse(BasicObject::isSequential(array(0 => 1, 1 => 2, '02' => 3, 3 => 4))); |
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| 491 | } |
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| 492 | |||
| 493 | /** |
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| 494 | * @covers \Kint\Object\BasicObject::sortByAccess |
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| 495 | */ |
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| 496 | public function testSortByAccess() |
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| 497 | { |
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| 498 | $o1 = new BasicObject(); |
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| 499 | $o2 = new BasicObject(); |
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| 500 | $o3 = new BasicObject(); |
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| 501 | |||
| 502 | $a = array($o1, $o2, $o3); |
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| 503 | |||
| 504 | $o1->access = BasicObject::ACCESS_PRIVATE; |
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| 505 | $o2->access = BasicObject::ACCESS_PROTECTED; |
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| 506 | $o3->access = BasicObject::ACCESS_PUBLIC; |
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| 507 | |||
| 508 | $this->assertSame(array($o1, $o2, $o3), $a); |
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| 509 | |||
| 510 | usort($a, 'Kint\\Object\\BasicObject::sortByAccess'); |
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| 511 | $this->assertSame(array($o3, $o2, $o1), $a); |
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| 512 | |||
| 513 | $o1->access = BasicObject::ACCESS_PROTECTED; |
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| 514 | $o2->access = BasicObject::ACCESS_PRIVATE; |
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| 515 | |||
| 516 | usort($a, 'Kint\\Object\\BasicObject::sortByAccess'); |
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| 517 | $this->assertSame(array($o3, $o1, $o2), $a); |
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| 518 | } |
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| 519 | |||
| 520 | /** |
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| 521 | * @covers \Kint\Object\BasicObject::sortByName |
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| 522 | */ |
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| 523 | public function testSortByName() |
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| 524 | { |
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| 525 | $o1 = new BasicObject(); |
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| 526 | $o2 = new BasicObject(); |
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| 527 | $o3 = new BasicObject(); |
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| 528 | |||
| 529 | $a = array($o1, $o2, $o3); |
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| 530 | |||
| 531 | $o1->name = 'Name Z'; |
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| 532 | $o2->name = 'Name B'; |
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| 533 | $o3->name = 'Name A'; |
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| 534 | |||
| 535 | $this->assertSame(array($o1, $o2, $o3), $a); |
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| 536 | |||
| 537 | usort($a, 'Kint\\Object\\BasicObject::sortByName'); |
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| 538 | $this->assertSame(array($o3, $o2, $o1), $a); |
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| 539 | |||
| 540 | $o1->name = 'Name M'; |
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| 541 | $o2->name = 'Name Z2'; |
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| 542 | |||
| 543 | usort($a, 'Kint\\Object\\BasicObject::sortByName'); |
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| 544 | $this->assertSame(array($o3, $o1, $o2), $a); |
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| 545 | } |
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| 546 | } |
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| 547 |