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<?php |
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namespace SubjectivePHPTest\Spl\DataStructures; |
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use SubjectivePHP\Spl\DataStructures\Bag; |
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use PHPUnit\Framework\TestCase; |
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/** |
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* Unit tests for the \SubjectivePHP\Spl\DataStructures\Bag class. |
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* |
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* @coversDefaultClass \SubjectivePHP\Spl\DataStructures\Bag |
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*/ |
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final class BagTest extends TestCase |
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{ |
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/** |
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* Verify basic behavior of add(). |
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* |
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* @test |
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* @covers ::add |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag::jsonSerialize |
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* |
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* @return void |
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*/ |
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public function add() |
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{ |
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$bag = new Bag(); |
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$this->assertSame($bag, $bag->add('foo')); |
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$this->assertSame(['foo'], $bag->jsonSerialize()); |
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} |
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/** |
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* Verify basic behavior of remove(). |
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* |
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* @test |
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* @covers ::remove |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag |
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* |
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* @return void |
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*/ |
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public function remove() |
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{ |
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$bag = new Bag(); |
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$bag->add('a')->add('b')->add('c'); |
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$this->assertSame(3, $bag->count()); |
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$this->assertTrue(in_array($bag->remove(), ['a', 'b', 'c'])); |
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$this->assertSame(2, $bag->count()); |
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} |
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/** |
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* Verify behavior of remove() with empty bag. |
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* |
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* @test |
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* @covers ::remove |
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* @expectedException \RuntimeException |
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* @expectedExceptionMessage Bag is empty |
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* |
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* @return void |
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*/ |
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public function removeEmpty() |
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{ |
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(new Bag())->remove(); |
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} |
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/** |
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* Verify basic behavior of count(). |
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* |
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* @test |
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* @covers ::count |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag::add |
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* |
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* @return void |
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*/ |
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public function testCount() |
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{ |
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$bag = new Bag(); |
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foreach (['a', 'b', 'c'] as $key => $value) { |
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$this->assertSame($key, $bag->count()); |
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$bag->add($value); |
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} |
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} |
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/** |
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* Verify basic behavior of isEmpty(); |
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* |
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* @test |
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* @covers ::isEmpty |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag::add |
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* |
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* @return void |
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*/ |
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public function testIsEmpty() |
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{ |
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$bag = new Bag(); |
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$this->assertTrue($bag->isEmpty()); |
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$bag->add('foo'); |
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$this->assertFalse($bag->isEmpty()); |
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} |
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/** |
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* Verify basic behavior of jsonSerialize() |
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* |
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* @test |
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* @covers ::jsonSerialize |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag::add |
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* |
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* @return void |
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*/ |
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public function jsonSerialize() |
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{ |
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$bag = new Bag(); |
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$bag->add('a')->add('b')->add('c'); |
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$this->assertSame([], array_diff(['a', 'b', 'c'], $bag->jsonSerialize())); |
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} |
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/** |
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* Verify \Iterator implementation. |
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* |
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* @test |
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* @covers ::rewind |
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* @covers ::current |
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* @covers ::key |
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* @covers ::next |
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* @covers ::valid |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag::add |
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* |
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* @return void |
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*/ |
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public function iteratator() |
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{ |
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$bag = new Bag(); |
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$bag->add('a')->add('b')->add('c'); |
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foreach ($bag as $key => $value) { |
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$this->assertTrue(in_array($value, ['a', 'b', 'c'])); |
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} |
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} |
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/** |
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* Verify basic behavior of clear(). |
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* |
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* @test |
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* @covers ::clear |
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* @uses \SubjectivePHP\Spl\DataStructures\Bag |
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* |
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* @return void |
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*/ |
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public function clear() |
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{ |
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$bag = new Bag(); |
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$bag->add('a')->add('b')->add('c'); |
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$this->assertFalse($bag->isEmpty()); |
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$bag->clear(); |
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$this->assertTrue($bag->isEmpty()); |
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$this->assertSame([], $bag->jsonSerialize()); |
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} |
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} |
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subjective-php /
spl-datastructures
