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<?php |
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namespace Spatie\Test; |
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use function spatie\array_split; |
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use PHPUnit\Framework\TestCase; |
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class ArraySplitTest extends TestCase |
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{ |
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/** |
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* @test |
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*/ |
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public function it_can_handle_an_empty_array() |
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{ |
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$this->assertSame(array_split([]), []); |
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} |
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/** |
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* @dataProvider argumentsProvider |
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* @test |
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*/ |
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public function it_throws_exception_when_second_parameter_is_lower_than_1($numberOfPieces, $mustThrow) |
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{ |
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$exception = null; |
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try { |
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array_split([], $numberOfPieces); |
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} catch (\InvalidArgumentException $exception) {} |
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$this->assertSame($mustThrow, $exception instanceof \InvalidArgumentException); |
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} |
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public function argumentsProvider() |
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{ |
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return [ |
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[2 , false], |
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[1 , false], |
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[0 , true], |
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[-1 , true], |
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[-2 , true], |
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]; |
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} |
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/** |
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* @test |
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*/ |
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public function it_splits_an_array_in_two_by_default() |
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{ |
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$this->assertSame(array_split(['a', 'b']), [['a'], ['b']]); |
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} |
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/** |
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* @test |
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*/ |
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public function it_splits_an_array_in_two_by_default_while_preserving_keys() |
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{ |
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$this->assertSame(array_split(['a' => 1, 'b' => 2], 2, true), [['a' => 1], ['b' => 2]]); |
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} |
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/** |
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* @dataProvider arrayProvider |
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* |
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* @test |
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* |
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* @param $array |
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* @param $splitIntoNumber |
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* @param $expectedArray |
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*/ |
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public function it_can_split_an_array_in_equal_pieces($array, $splitIntoNumber, $expectedArray) |
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{ |
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$this->assertSame($expectedArray, array_split($array, $splitIntoNumber)); |
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} |
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public function arrayProvider() |
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{ |
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return [ |
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[ |
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['a', 'b', 'c', 'd'], 2, [['a', 'b'], ['c', 'd']], |
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], |
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[ |
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['a', 'b', 'c', 'd', 'e'], 2, [['a', 'b', 'c'], ['d', 'e']], |
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], |
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[ |
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['a', 'b', 'c', 'd', 'e'], 3, [['a', 'b'], ['c', 'd'], ['e']], |
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], |
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]; |
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} |
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} |
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spatie /
array-functions
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