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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Tests\Unit\Util;
use League\CommonMark\Util\ArrayCollection;
use PHPUnit\Framework\TestCase;
final class ArrayCollectionTest extends TestCase
{
public function testConstructorAndToArray(): void
{
$collection = new ArrayCollection();
$this->assertEquals([], $collection->toArray());
$array = [];
$collection = new ArrayCollection($array);
$this->assertEquals($array, $collection->toArray());
$array = ['foo', 'bar'];
$collection = new ArrayCollection($array);
$this->assertEquals($array, $collection->toArray());
}
public function testFirst(): void
{
$collection = new ArrayCollection(['foo', 'bar']);
$this->assertEquals('foo', $collection->first());
}
public function testLast(): void
{
$collection = new ArrayCollection(['foo', 'bar']);
$this->assertEquals('bar', $collection->last());
}
public function testGetIterator(): void
{
$array = ['foo', 'bar'];
$collection = new ArrayCollection($array);
$iterator = $collection->getIterator();
$this->assertTrue($iterator instanceof \ArrayIterator);
$this->assertEquals($array, $iterator->getArrayCopy());
}
public function testOffsetExists(): void
{
$collection = new ArrayCollection(['foo', 2 => 'bar', 3, null]);
$this->assertTrue($collection->offsetExists(0));
$this->assertTrue($collection->offsetExists(2));
$this->assertTrue($collection->offsetExists(3));
$this->assertTrue($collection->offsetExists(4));
$this->assertTrue(isset($collection[0]));
$this->assertTrue(isset($collection[2]));
$this->assertTrue(isset($collection[3]));
$this->assertTrue(isset($collection[4]));
$this->assertFalse($collection->offsetExists(1));
$this->assertFalse(isset($collection[1]));
}
public function testOffsetGet(): void
{
$collection = new ArrayCollection(['foo', 2 => 'bar']);
$this->assertEquals('foo', $collection[0]);
$this->assertEquals('foo', $collection->offsetGet(0));
$this->assertEquals('bar', $collection[2]);
$this->assertEquals('bar', $collection->offsetGet(2));
}
public function testOffsetSet(): void
{
$collection = new ArrayCollection();
$collection[] = 'foo';
$this->assertEquals(['foo'], $collection->toArray());
$collection[] = 'bar';
$this->assertEquals(['foo', 'bar'], $collection->toArray());
$collection = new ArrayCollection(['foo']);
$collection[42] = true;
$this->assertEquals(['foo', 42 => true], $collection->toArray());
$collection[42] = false;
$this->assertEquals(['foo', 42 => false], $collection->toArray());
}
public function testOffsetUnset(): void
{
$collection = new ArrayCollection(['foo', 'bar', 'baz']);
unset($collection[0]);
$this->assertEquals([1 => 'bar', 2 => 'baz'], $collection->toArray());
unset($collection[9999]);
$this->assertEquals([1 => 'bar', 2 => 'baz'], $collection->toArray());
unset($collection[1]);
$this->assertEquals([2 => 'baz'], $collection->toArray());
unset($collection[2]);
$this->assertEquals([], $collection->toArray());
}
public function testOffsetUnsetWithNulls(): void
{
$collection = new ArrayCollection([2 => null]);
unset($collection[99999]);
$this->assertEquals([2 => null], $collection->toArray());
unset($collection[2]);
$this->assertEquals([], $collection->toArray());
}
public function testSlice(): void
{
$collection = new ArrayCollection(['foo', 'bar', 'baz', 42 => 'ftw']);
$this->assertEquals(['foo', 'bar', 'baz', 42 => 'ftw'], $collection->slice(0));
$this->assertEquals(['foo', 'bar', 'baz', 42 => 'ftw'], $collection->slice(0, null));
$this->assertEquals(['foo', 'bar', 'baz', 42 => 'ftw'], $collection->slice(0, 99));
$this->assertEquals(['foo', 'bar', 'baz', 42 => 'ftw'], $collection->slice(0, 4));
$this->assertEquals(['foo', 'bar', 'baz'], $collection->slice(0, 3));
$this->assertEquals(['foo', 'bar'], $collection->slice(0, 2));
$this->assertEquals(['foo'], $collection->slice(0, 1));
$this->assertEquals([], $collection->slice(0, 0));
$this->assertEquals([1 => 'bar', 2 => 'baz', 42 => 'ftw'], $collection->slice(1));
$this->assertEquals([1 => 'bar', 2 => 'baz', 42 => 'ftw'], $collection->slice(1, null));
$this->assertEquals([1 => 'bar', 2 => 'baz', 42 => 'ftw'], $collection->slice(1, 99));
$this->assertEquals([1 => 'bar', 2 => 'baz', 42 => 'ftw'], $collection->slice(1, 3));
$this->assertEquals([1 => 'bar', 2 => 'baz'], $collection->slice(1, 2));
$this->assertEquals([1 => 'bar'], $collection->slice(1, 1));
$this->assertEquals([], $collection->slice(1, 0));
$this->assertEquals([2 => 'baz', 42 => 'ftw'], $collection->slice(2));
$this->assertEquals([2 => 'baz', 42 => 'ftw'], $collection->slice(2, null));
$this->assertEquals([2 => 'baz', 42 => 'ftw'], $collection->slice(2, 99));
$this->assertEquals([2 => 'baz', 42 => 'ftw'], $collection->slice(2, 2));
$this->assertEquals([2 => 'baz'], $collection->slice(2, 1));
$this->assertEquals([], $collection->slice(2, 0));
$this->assertEquals([42 => 'ftw'], $collection->slice(3));
$this->assertEquals([42 => 'ftw'], $collection->slice(3, null));
$this->assertEquals([42 => 'ftw'], $collection->slice(3, 99));
$this->assertEquals([42 => 'ftw'], $collection->slice(3, 1));
$this->assertEquals([], $collection->slice(3, 0));
$this->assertEquals([], $collection->slice(4));
$this->assertEquals([], $collection->slice(99));
$this->assertEquals([], $collection->slice(99, 99));
}
public function testToArray(): void
{
$collection = new ArrayCollection();
$this->assertEquals([], $collection->toArray());
$collection = new ArrayCollection([]);
$this->assertEquals([], $collection->toArray());
$collection = new ArrayCollection([1]);
$this->assertEquals([1], $collection->toArray());
$collection = new ArrayCollection([2 => 1, 'foo']);
$this->assertEquals([2 => 1, 'foo'], $collection->toArray());
}
}
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