Innmind /
Immutable
| Total Complexity | 54 |
| Total Lines | 740 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like SequenceTest often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use SequenceTest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 18 | class SequenceTest extends TestCase |
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| 19 | { |
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| 20 | public function testInterface() |
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| 21 | { |
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| 22 | $sequence = Sequence::of('int'); |
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| 23 | |||
| 24 | $this->assertInstanceOf(\Countable::class, $sequence); |
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| 25 | $this->assertSame([], unwrap($sequence)); |
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| 26 | } |
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| 27 | |||
| 28 | public function testOf() |
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| 29 | { |
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| 30 | $this->assertTrue( |
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| 31 | Sequence::of('int', 1, 2, 3)->equals( |
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| 32 | Sequence::of('int') |
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| 33 | ->add(1) |
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| 34 | ->add(2) |
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| 35 | ->add(3) |
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| 36 | ) |
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| 37 | ); |
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| 38 | } |
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| 39 | |||
| 40 | public function testDefer() |
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| 41 | { |
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| 42 | $loaded = false; |
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| 43 | $sequence = Sequence::defer('int', (function() use (&$loaded) { |
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| 44 | yield 1; |
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| 45 | yield 2; |
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| 46 | yield 3; |
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| 47 | $loaded = true; |
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| 48 | })()); |
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| 49 | |||
| 50 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 51 | $this->assertFalse($loaded); |
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| 52 | $this->assertSame([1, 2, 3], unwrap($sequence)); |
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| 53 | $this->assertTrue($loaded); |
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| 54 | } |
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| 55 | |||
| 56 | public function testLazy() |
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| 57 | { |
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| 58 | $loaded = false; |
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| 59 | $sequence = Sequence::lazy('int', function() use (&$loaded) { |
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| 60 | yield 1; |
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| 61 | yield 2; |
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| 62 | yield 3; |
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| 63 | $loaded = true; |
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| 64 | }); |
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| 65 | |||
| 66 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 67 | $this->assertFalse($loaded); |
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| 68 | $this->assertSame([1, 2, 3], unwrap($sequence)); |
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| 69 | $this->assertTrue($loaded); |
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| 70 | } |
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| 71 | |||
| 72 | public function testMixed() |
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| 73 | { |
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| 74 | $sequence = Sequence::mixed(1, '2', 3); |
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| 75 | |||
| 76 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 77 | $this->assertSame('mixed', $sequence->type()); |
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| 78 | $this->assertSame([1, '2', 3], unwrap($sequence)); |
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| 79 | } |
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| 80 | |||
| 81 | public function testInts() |
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| 82 | { |
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| 83 | $sequence = Sequence::ints(1, 2, 3); |
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| 84 | |||
| 85 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 86 | $this->assertSame('int', $sequence->type()); |
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| 87 | $this->assertSame([1, 2, 3], unwrap($sequence)); |
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| 88 | } |
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| 89 | |||
| 90 | public function testFloats() |
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| 91 | { |
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| 92 | $sequence = Sequence::floats(1, 2, 3.2); |
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| 93 | |||
| 94 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 95 | $this->assertSame('float', $sequence->type()); |
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| 96 | $this->assertSame([1.0, 2.0, 3.2], unwrap($sequence)); |
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| 97 | } |
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| 98 | |||
| 99 | public function testStrings() |
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| 100 | { |
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| 101 | $sequence = Sequence::strings('1', '2', '3'); |
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| 102 | |||
| 103 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 104 | $this->assertSame('string', $sequence->type()); |
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| 105 | $this->assertSame(['1', '2', '3'], unwrap($sequence)); |
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| 106 | } |
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| 107 | |||
| 108 | public function testObjects() |
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| 109 | { |
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| 110 | $a = new \stdClass; |
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| 111 | $b = new \stdClass; |
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| 112 | $c = new \stdClass; |
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| 113 | $sequence = Sequence::objects($a, $b, $c); |
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| 114 | |||
| 115 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 116 | $this->assertSame('object', $sequence->type()); |
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| 117 | $this->assertSame([$a, $b, $c], unwrap($sequence)); |
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| 118 | } |
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| 119 | |||
| 120 | public function testType() |
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| 121 | { |
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| 122 | $type = Sequence::of('int')->type(); |
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| 123 | |||
| 124 | $this->assertSame('int', $type); |
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| 125 | } |
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| 126 | |||
| 127 | public function testSize() |
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| 128 | { |
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| 129 | $this->assertSame( |
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| 130 | 2, |
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| 131 | Sequence::of('int') |
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| 132 | ->add(1) |
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| 133 | ->add(2) |
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| 134 | ->size() |
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| 135 | ); |
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| 136 | } |
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| 137 | |||
| 138 | public function testCount() |
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| 139 | { |
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| 140 | $this->assertCount( |
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| 141 | 2, |
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| 142 | Sequence::of('int') |
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| 143 | ->add(1) |
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| 144 | ->add(2) |
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| 145 | ); |
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| 146 | } |
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| 147 | |||
| 148 | public function testGet() |
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| 149 | { |
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| 150 | $this->assertSame( |
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| 151 | 1, |
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| 152 | Sequence::of('int')->add(1)->get(0) |
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| 153 | ); |
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| 154 | } |
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| 155 | |||
| 156 | public function testThrowWhenGettingUnknownIndex() |
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| 157 | { |
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| 158 | $this->expectException(OutOfBoundException::class); |
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| 159 | |||
| 160 | Sequence::of('int')->get(0); |
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| 161 | } |
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| 162 | |||
| 163 | public function testDiff() |
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| 164 | { |
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| 165 | $a = Sequence::of('int') |
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| 166 | ->add(1) |
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| 167 | ->add(2) |
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| 168 | ->add(3); |
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| 169 | $b = Sequence::of('int') |
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| 170 | ->add(3) |
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| 171 | ->add(4) |
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| 172 | ->add(5); |
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| 173 | $c = $a->diff($b); |
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| 174 | |||
| 175 | $this->assertInstanceOf(Sequence::class, $c); |
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| 176 | $this->assertNotSame($c, $a); |
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| 177 | $this->assertNotSame($c, $b); |
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| 178 | $this->assertSame('int', $a->type()); |
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| 179 | $this->assertSame('int', $b->type()); |
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| 180 | $this->assertSame('int', $c->type()); |
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| 181 | $this->assertSame([1, 2, 3], unwrap($a)); |
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| 182 | $this->assertSame([3, 4, 5], unwrap($b)); |
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| 183 | $this->assertSame([1, 2], unwrap($c)); |
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| 184 | } |
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| 185 | |||
| 186 | public function testDistinct() |
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| 187 | { |
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| 188 | $a = Sequence::of('int') |
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| 189 | ->add(1) |
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| 190 | ->add(1) |
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| 191 | ->add(1); |
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| 192 | $b = $a->distinct(); |
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| 193 | |||
| 194 | $this->assertInstanceOf(Sequence::class, $b); |
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| 195 | $this->assertNotSame($a, $b); |
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| 196 | $this->assertSame('int', $a->type()); |
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| 197 | $this->assertSame('int', $b->type()); |
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| 198 | $this->assertSame([1, 1, 1], unwrap($a)); |
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| 199 | $this->assertSame([1], unwrap($b)); |
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| 200 | } |
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| 201 | |||
| 202 | public function testDrop() |
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| 203 | { |
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| 204 | $a = Sequence::of('int') |
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| 205 | ->add(1) |
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| 206 | ->add(3) |
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| 207 | ->add(5); |
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| 208 | $b = $a->drop(2); |
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| 209 | |||
| 210 | $this->assertInstanceOf(Sequence::class, $b); |
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| 211 | $this->assertNotSame($a, $b); |
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| 212 | $this->assertSame('int', $a->type()); |
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| 213 | $this->assertSame('int', $b->type()); |
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| 214 | $this->assertSame([1, 3, 5], unwrap($a)); |
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| 215 | $this->assertSame([5], unwrap($b)); |
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| 216 | } |
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| 217 | |||
| 218 | public function testDropEnd() |
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| 219 | { |
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| 220 | $a = Sequence::of('int') |
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| 221 | ->add(1) |
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| 222 | ->add(3) |
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| 223 | ->add(5); |
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| 224 | $b = $a->dropEnd(2); |
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| 225 | |||
| 226 | $this->assertInstanceOf(Sequence::class, $b); |
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| 227 | $this->assertNotSame($a, $b); |
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| 228 | $this->assertSame('int', $a->type()); |
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| 229 | $this->assertSame('int', $b->type()); |
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| 230 | $this->assertSame([1, 3, 5], unwrap($a)); |
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| 231 | $this->assertSame([1], unwrap($b)); |
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| 232 | } |
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| 233 | |||
| 234 | public function testEquals() |
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| 235 | { |
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| 236 | $a = Sequence::of('int') |
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| 237 | ->add(1) |
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| 238 | ->add(3) |
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| 239 | ->add(5); |
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| 240 | $b = Sequence::of('int') |
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| 241 | ->add(1) |
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| 242 | ->add(5); |
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| 243 | $c = Sequence::of('int') |
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| 244 | ->add(1) |
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| 245 | ->add(3) |
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| 246 | ->add(5); |
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| 247 | |||
| 248 | $this->assertTrue($a->equals($c)); |
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| 249 | $this->assertTrue($a->equals($a)); |
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| 250 | $this->assertFalse($a->equals($b)); |
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| 251 | } |
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| 252 | |||
| 253 | public function testThrowWhenTryingToTestEqualityForDifferentTypes() |
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| 254 | { |
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| 255 | $this->expectException(\TypeError::class); |
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| 256 | $this->expectExceptionMessage('Argument 1 must be of type Sequence<int>, Sequence<stdClass> given'); |
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| 257 | |||
| 258 | Sequence::of('int')->equals(Sequence::of('stdClass')); |
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| 259 | } |
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| 260 | |||
| 261 | public function testFilter() |
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| 262 | { |
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| 263 | $a = Sequence::of('int') |
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| 264 | ->add(1) |
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| 265 | ->add(2) |
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| 266 | ->add(3) |
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| 267 | ->add(4); |
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| 268 | $b = $a->filter(function(int $value): bool { |
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| 269 | return $value % 2 === 0; |
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| 270 | }); |
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| 271 | |||
| 272 | $this->assertInstanceOf(Sequence::class, $b); |
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| 273 | $this->assertNotSame($a, $b); |
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| 274 | $this->assertSame('int', $a->type()); |
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| 275 | $this->assertSame('int', $b->type()); |
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| 276 | $this->assertSame([1, 2, 3, 4], unwrap($a)); |
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| 277 | $this->assertSame([2, 4], unwrap($b)); |
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| 278 | } |
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| 279 | |||
| 280 | public function testForeach() |
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| 281 | { |
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| 282 | $sum = 0; |
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| 283 | $sequence = Sequence::of('int') |
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|
Unused Code
introduced
by
|
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| 284 | ->add(1) |
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| 285 | ->add(2) |
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| 286 | ->add(3) |
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| 287 | ->add(4) |
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| 288 | ->foreach(function(int $value) use (&$sum) { |
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| 289 | $sum += $value; |
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| 290 | }); |
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| 291 | |||
| 292 | $this->assertSame(10, $sum); |
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| 293 | } |
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| 294 | |||
| 295 | public function testGroupBy() |
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| 296 | { |
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| 297 | $sequence = Sequence::of('int') |
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| 298 | ->add(1) |
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| 299 | ->add(2) |
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| 300 | ->add(3) |
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| 301 | ->add(4); |
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| 302 | $map = $sequence->groupBy(function(int $value): int { |
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| 303 | return $value % 3; |
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| 304 | }); |
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| 305 | |||
| 306 | $this->assertInstanceOf(Map::class, $map); |
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| 307 | $this->assertSame('int', $map->keyType()); |
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| 308 | $this->assertSame(Sequence::class, $map->valueType()); |
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| 309 | $this->assertCount(3, $map); |
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| 310 | $this->assertSame('int', $map->get(0)->type()); |
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| 311 | $this->assertSame('int', $map->get(1)->type()); |
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| 312 | $this->assertSame('int', $map->get(2)->type()); |
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| 313 | $this->assertSame([3], unwrap($map->get(0))); |
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| 314 | $this->assertSame([1, 4], unwrap($map->get(1))); |
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| 315 | $this->assertSame([2], unwrap($map->get(2))); |
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| 316 | } |
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| 317 | |||
| 318 | public function testThrowWhenGroupingEmptySequence() |
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| 323 | } |
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| 324 | |||
| 325 | public function testFirst() |
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| 326 | { |
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| 327 | $sequence = Sequence::of('int') |
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| 328 | ->add(1) |
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| 329 | ->add(2) |
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| 330 | ->add(3) |
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| 331 | ->add(4); |
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| 332 | |||
| 333 | $this->assertSame(1, $sequence->first()); |
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| 334 | } |
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| 335 | |||
| 336 | public function testLast() |
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| 337 | { |
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| 338 | $sequence = Sequence::of('int') |
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| 339 | ->add(1) |
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| 340 | ->add(2) |
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| 341 | ->add(3) |
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| 342 | ->add(4); |
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| 343 | |||
| 344 | $this->assertSame(4, $sequence->last()); |
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| 345 | } |
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| 346 | |||
| 347 | public function testContains() |
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| 348 | { |
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| 349 | $sequence = Sequence::of('int') |
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| 350 | ->add(1) |
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| 351 | ->add(2) |
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| 352 | ->add(3) |
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| 353 | ->add(4); |
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| 354 | |||
| 355 | $this->assertTrue($sequence->contains(2)); |
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| 356 | $this->assertFalse($sequence->contains(5)); |
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| 357 | } |
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| 358 | |||
| 359 | public function testIndexOf() |
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| 369 | } |
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| 370 | |||
| 371 | public function testIndices() |
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| 383 | } |
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| 384 | |||
| 385 | public function testEmptyIndices() |
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| 386 | { |
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| 387 | $sequence = Sequence::of('int'); |
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| 388 | $indices = $sequence->indices(); |
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| 389 | |||
| 390 | $this->assertInstanceOf(Sequence::class, $indices); |
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| 391 | $this->assertSame('int', $indices->type()); |
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| 392 | $this->assertSame([], unwrap($indices)); |
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| 393 | } |
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| 394 | |||
| 395 | public function testMap() |
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| 396 | { |
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| 397 | $a = Sequence::of('int') |
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| 398 | ->add(1) |
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| 399 | ->add(2) |
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| 400 | ->add(3) |
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| 401 | ->add(4); |
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| 402 | $b = $a->map(function(int $value): int { |
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| 412 | } |
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| 413 | |||
| 414 | public function testMapTo() |
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| 415 | { |
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| 416 | $a = Sequence::ints(1, 2, 3, 4); |
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| 417 | $b = $a->mapTo('string', fn($i) => (string) $i); |
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| 418 | |||
| 419 | $this->assertInstanceOf(Sequence::class, $b); |
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| 420 | $this->assertNotSame($a, $b); |
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| 421 | $this->assertSame('string', $b->type()); |
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| 422 | $this->assertSame(['1', '2', '3', '4'], unwrap($b)); |
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| 423 | } |
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| 424 | |||
| 425 | public function testThrowWhenTryingToModifyValueTypeInMap() |
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| 426 | { |
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| 427 | $this->expectException(\TypeError::class); |
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| 428 | $this->expectExceptionMessage('Argument 1 must be of type int, string given'); |
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| 429 | |||
| 430 | Sequence::of('int') |
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| 431 | ->add(1) |
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| 432 | ->add(2) |
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| 433 | ->add(3) |
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| 434 | ->add(4) |
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| 435 | ->map(function(int $value) { |
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| 436 | return (string) $value; |
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| 437 | }); |
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| 438 | } |
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| 439 | |||
| 440 | public function testPad() |
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| 441 | { |
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| 442 | $a = Sequence::of('int') |
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| 443 | ->add(1) |
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| 444 | ->add(2); |
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| 445 | $b = $a->pad(4, 0); |
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| 446 | |||
| 447 | $this->assertInstanceOf(Sequence::class, $b); |
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| 448 | $this->assertNotSame($a, $b); |
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| 449 | $this->assertSame('int', $a->type()); |
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| 450 | $this->assertSame('int', $b->type()); |
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| 451 | $this->assertSame([1, 2], unwrap($a)); |
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| 452 | $this->assertSame([1, 2, 0, 0], unwrap($b)); |
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| 453 | } |
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| 454 | |||
| 455 | public function testThrowWhenPaddingWithDifferentType() |
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| 456 | { |
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| 457 | $this->expectException(\TypeError::class); |
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| 458 | $this->expectExceptionMessage('Argument 2 must be of type int, string given'); |
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| 459 | |||
| 460 | Sequence::of('int')->pad(2, '0'); |
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| 461 | } |
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| 462 | |||
| 463 | public function testPartition() |
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| 464 | { |
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| 465 | $map = Sequence::of('int') |
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| 466 | ->add(1) |
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| 467 | ->add(2) |
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| 468 | ->add(3) |
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| 469 | ->add(4) |
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| 470 | ->partition(function(int $value): bool { |
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| 471 | return $value % 2 === 0; |
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| 472 | }); |
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| 473 | |||
| 474 | $this->assertInstanceOf(Map::class, $map); |
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| 475 | $this->assertSame('bool', $map->keyType()); |
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| 476 | $this->assertSame(Sequence::class, $map->valueType()); |
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| 477 | $this->assertSame('int', $map->get(true)->type()); |
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| 478 | $this->assertSame('int', $map->get(false)->type()); |
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| 479 | $this->assertSame([2, 4], unwrap($map->get(true))); |
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| 480 | $this->assertSame([1, 3], unwrap($map->get(false))); |
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| 481 | } |
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| 482 | |||
| 483 | public function testSlice() |
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| 484 | { |
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| 485 | $a = Sequence::of('int') |
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| 486 | ->add(1) |
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| 487 | ->add(2) |
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| 488 | ->add(3) |
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| 489 | ->add(4); |
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| 490 | $b = $a->slice(1, 3); |
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| 491 | |||
| 492 | $this->assertInstanceOf(Sequence::class, $b); |
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| 493 | $this->assertNotSame($a, $b); |
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| 494 | $this->assertSame('int', $a->type()); |
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| 495 | $this->assertSame('int', $b->type()); |
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| 496 | $this->assertSame([1, 2, 3, 4], unwrap($a)); |
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| 497 | $this->assertSame([2, 3], unwrap($b)); |
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| 498 | } |
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| 499 | |||
| 500 | public function testSplitAt() |
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| 501 | { |
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| 502 | $a = Sequence::of('int') |
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| 503 | ->add(1) |
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| 504 | ->add(2) |
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| 505 | ->add(3) |
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| 506 | ->add(4); |
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| 507 | $b = $a->splitAt(2); |
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| 508 | |||
| 509 | $this->assertInstanceOf(Sequence::class, $b); |
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| 510 | $this->assertNotSame($a, $b); |
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| 511 | $this->assertSame('int', $a->type()); |
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| 512 | $this->assertSame(Sequence::class, $b->type()); |
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| 513 | $this->assertSame([1, 2, 3, 4], unwrap($a)); |
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| 514 | $this->assertSame('int', $b->first()->type()); |
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| 515 | $this->assertSame('int', $b->last()->type()); |
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| 516 | $this->assertSame([1, 2], unwrap($b->first())); |
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| 517 | $this->assertSame([3, 4], unwrap($b->last())); |
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| 518 | } |
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| 519 | |||
| 520 | public function testTake() |
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| 521 | { |
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| 522 | $a = Sequence::of('int') |
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| 523 | ->add(1) |
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| 524 | ->add(2) |
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| 525 | ->add(3) |
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| 526 | ->add(4); |
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| 527 | $b = $a->take(2); |
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| 528 | |||
| 529 | $this->assertInstanceOf(Sequence::class, $b); |
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| 530 | $this->assertNotSame($a, $b); |
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| 531 | $this->assertSame('int', $a->type()); |
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| 532 | $this->assertSame('int', $b->type()); |
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| 533 | $this->assertSame([1, 2, 3, 4], unwrap($a)); |
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| 534 | $this->assertSame([1, 2], unwrap($b)); |
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| 535 | } |
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| 536 | |||
| 537 | public function testTakeEnd() |
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| 538 | { |
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| 539 | $a = Sequence::of('int') |
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| 540 | ->add(1) |
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| 541 | ->add(2) |
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| 542 | ->add(3) |
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| 543 | ->add(4); |
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| 544 | $b = $a->takeEnd(2); |
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| 545 | |||
| 546 | $this->assertInstanceOf(Sequence::class, $b); |
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| 547 | $this->assertNotSame($a, $b); |
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| 548 | $this->assertSame('int', $a->type()); |
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| 549 | $this->assertSame('int', $b->type()); |
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| 550 | $this->assertSame([1, 2, 3, 4], unwrap($a)); |
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| 551 | $this->assertSame([3, 4], unwrap($b)); |
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| 552 | } |
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| 553 | |||
| 554 | public function testAppend() |
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| 555 | { |
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| 556 | $a = Sequence::of('int') |
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| 557 | ->add(1) |
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| 558 | ->add(2); |
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| 559 | $b = Sequence::of('int') |
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| 560 | ->add(3) |
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| 561 | ->add(4); |
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| 562 | $c = $b->append($a); |
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| 563 | |||
| 564 | $this->assertInstanceOf(Sequence::class, $c); |
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| 565 | $this->assertNotSame($c, $a); |
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| 566 | $this->assertNotSame($c, $b); |
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| 567 | $this->assertSame('int', $a->type()); |
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| 568 | $this->assertSame('int', $b->type()); |
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| 569 | $this->assertSame('int', $c->type()); |
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| 570 | $this->assertSame([1, 2], unwrap($a)); |
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| 571 | $this->assertSame([3, 4], unwrap($b)); |
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| 572 | $this->assertSame([3, 4, 1, 2], unwrap($c)); |
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| 573 | } |
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| 574 | |||
| 575 | public function testThrowWhenAppendingDifferentTypes() |
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| 576 | { |
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| 577 | $this->expectException(\TypeError::class); |
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| 578 | $this->expectExceptionMessage('Argument 1 must be of type Sequence<int>, Sequence<stdClass> given'); |
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| 579 | |||
| 580 | Sequence::of('int')->append(Sequence::of('stdClass')); |
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| 581 | } |
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| 582 | |||
| 583 | public function testIntersect() |
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| 584 | { |
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| 585 | $a = Sequence::of('int') |
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| 586 | ->add(1) |
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| 587 | ->add(2); |
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| 588 | $b = Sequence::of('int') |
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| 589 | ->add(2) |
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| 590 | ->add(3); |
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| 591 | $c = $b->intersect($a); |
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| 592 | |||
| 593 | $this->assertInstanceOf(Sequence::class, $c); |
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| 594 | $this->assertNotSame($c, $a); |
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| 595 | $this->assertNotSame($c, $b); |
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| 596 | $this->assertSame('int', $a->type()); |
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| 597 | $this->assertSame('int', $b->type()); |
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| 598 | $this->assertSame('int', $c->type()); |
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| 599 | $this->assertSame([1, 2], unwrap($a)); |
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| 600 | $this->assertSame([2, 3], unwrap($b)); |
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| 601 | $this->assertSame([2], unwrap($c)); |
||
| 602 | } |
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| 603 | |||
| 604 | public function testThrowWhenIntersectingDifferentTypes() |
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| 605 | { |
||
| 606 | $this->expectException(\TypeError::class); |
||
| 607 | $this->expectExceptionMessage('Argument 1 must be of type Sequence<int>, Sequence<stdClass> given'); |
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| 608 | |||
| 609 | Sequence::of('int')->intersect(Sequence::of('stdClass')); |
||
| 610 | } |
||
| 611 | |||
| 612 | public function testAdd() |
||
| 613 | { |
||
| 614 | $a = Sequence::of('int'); |
||
| 615 | $b = $a->add(1); |
||
| 616 | |||
| 617 | $this->assertInstanceOf(Sequence::class, $b); |
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| 618 | $this->assertNotSame($a, $b); |
||
| 619 | $this->assertSame('int', $a->type()); |
||
| 620 | $this->assertSame('int', $b->type()); |
||
| 621 | $this->assertSame([], unwrap($a)); |
||
| 622 | $this->assertSame([1], unwrap($b)); |
||
| 623 | |||
| 624 | $this->assertSame( |
||
| 625 | [1, 2, 3], |
||
| 626 | unwrap(Sequence::ints(1)(2)(3)), |
||
| 627 | ); |
||
| 628 | } |
||
| 629 | |||
| 630 | public function testThrowWhenAddingInvalidType() |
||
| 631 | { |
||
| 632 | $this->expectException(\TypeError::class); |
||
| 633 | $this->expectExceptionMessage('Argument 1 must be of type int, float given'); |
||
| 634 | |||
| 635 | Sequence::of('int')->add(4.2); |
||
| 636 | } |
||
| 637 | |||
| 638 | public function testSort() |
||
| 639 | { |
||
| 640 | $a = Sequence::of('int') |
||
| 641 | ->add(1) |
||
| 642 | ->add(2) |
||
| 643 | ->add(3) |
||
| 644 | ->add(3) |
||
| 645 | ->add(4); |
||
| 646 | $b = $a->sort(function(int $a, int $b): bool { |
||
| 647 | return $b > $a; |
||
| 648 | }); |
||
| 649 | |||
| 650 | $this->assertInstanceOf(Sequence::class, $b); |
||
| 651 | $this->assertNotSame($a, $b); |
||
| 652 | $this->assertSame('int', $a->type()); |
||
| 653 | $this->assertSame('int', $b->type()); |
||
| 654 | $this->assertSame([1, 2, 3, 3, 4], unwrap($a)); |
||
| 655 | $this->assertSame([4, 3, 3, 2, 1], unwrap($b)); |
||
| 656 | } |
||
| 657 | |||
| 658 | public function testReduce() |
||
| 659 | { |
||
| 660 | $value = Sequence::of('int') |
||
| 661 | ->add(1) |
||
| 662 | ->add(2) |
||
| 663 | ->add(3) |
||
| 664 | ->add(4) |
||
| 665 | ->reduce( |
||
| 666 | 0, |
||
| 667 | function(int $carry, int $value): int { |
||
| 668 | return $carry + $value; |
||
| 669 | } |
||
| 670 | ); |
||
| 671 | |||
| 672 | $this->assertSame(10, $value); |
||
| 673 | } |
||
| 674 | |||
| 675 | public function testClear() |
||
| 687 | } |
||
| 688 | |||
| 689 | public function testReverse() |
||
| 690 | { |
||
| 691 | $sequence = Sequence::of('int') |
||
| 692 | ->add(1) |
||
| 693 | ->add(3) |
||
| 694 | ->add(4) |
||
| 695 | ->add(2); |
||
| 696 | $reverse = $sequence->reverse(); |
||
| 697 | |||
| 698 | $this->assertInstanceOf(Sequence::class, $reverse); |
||
| 699 | $this->assertNotSame($sequence, $reverse); |
||
| 700 | $this->assertSame([1, 3, 4, 2], unwrap($sequence)); |
||
| 701 | $this->assertSame([2, 4, 3, 1], unwrap($reverse)); |
||
| 702 | } |
||
| 703 | |||
| 704 | public function testEmpty() |
||
| 705 | { |
||
| 706 | $this->assertTrue(Sequence::of('int')->empty()); |
||
| 707 | $this->assertFalse(Sequence::of('int', 1)->empty()); |
||
| 708 | } |
||
| 709 | |||
| 710 | public function testToSequenceOf() |
||
| 711 | { |
||
| 712 | $initial = Sequence::ints(1, 2, 3); |
||
| 713 | $sequence = $initial->toSequenceOf('string|int', function($i) { |
||
| 714 | yield (string) $i; |
||
| 715 | yield $i; |
||
| 716 | }); |
||
| 717 | |||
| 718 | $this->assertInstanceOf(Sequence::class, $sequence); |
||
| 719 | $this->assertSame( |
||
| 720 | ['1', 1, '2', 2, '3', 3], |
||
| 721 | unwrap($sequence), |
||
| 722 | ); |
||
| 723 | $this->assertSame( |
||
| 724 | [1, 2, 3], |
||
| 725 | unwrap($initial->toSequenceOf('int')), |
||
| 726 | ); |
||
| 727 | } |
||
| 728 | |||
| 729 | public function testToSetOf() |
||
| 730 | { |
||
| 731 | $sequence = Sequence::ints(1, 2, 3); |
||
| 732 | $set = $sequence->toSetOf('string|int', function($i) { |
||
| 733 | yield (string) $i; |
||
| 734 | yield $i; |
||
| 735 | }); |
||
| 736 | |||
| 737 | $this->assertInstanceOf(Set::class, $set); |
||
| 738 | $this->assertSame( |
||
| 739 | ['1', 1, '2', 2, '3', 3], |
||
| 740 | unwrap($set), |
||
| 741 | ); |
||
| 742 | $this->assertSame( |
||
| 743 | [1, 2, 3], |
||
| 744 | unwrap($sequence->add(1)->toSetOf('int')), |
||
| 745 | ); |
||
| 746 | } |
||
| 747 | |||
| 748 | public function testToMapOf() |
||
| 758 | } |
||
| 759 | } |
||
| 760 |
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