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<?php declare(strict_types=1);
/*
* This file is part of sebastian/diff.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Diff;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Small;
use PHPUnit\Framework\Attributes\UsesClass;
use PHPUnit\Framework\TestCase;
#[CoversClass(Diff::class)]
#[UsesClass(Chunk::class)]
#[Small]
final class DiffTest extends TestCase
{
public function testGettersAfterConstructionWithDefault(): void
{
$from = 'line1a';
$to = 'line2a';
$diff = new Diff($from, $to);
$this->assertSame($from, $diff->from());
$this->assertSame($to, $diff->to());
$this->assertSame([], $diff->chunks(), 'Expect chunks to be default value "array()".');
}
public function testGettersAfterConstructionWithChunks(): void
{
$from = 'line1b';
$to = 'line2b';
$chunks = [new Chunk, new Chunk(2, 3)];
$diff = new Diff($from, $to, $chunks);
$this->assertSame($from, $diff->from());
$this->assertSame($to, $diff->to());
$this->assertSame($chunks, $diff->chunks(), 'Expect chunks to be passed value.');
}
public function testSetChunksAfterConstruction(): void
{
$diff = new Diff('line1c', 'line2c');
$this->assertSame([], $diff->chunks(), 'Expect chunks to be default value "array()".');
$chunks = [new Chunk, new Chunk(2, 3)];
$diff->setChunks($chunks);
$this->assertSame($chunks, $diff->chunks(), 'Expect chunks to be passed value.');
}
public function testCanBeIterated(): void
{
$chunk = new Chunk;
$diff = new Diff('from', 'to', [$chunk]);
foreach ($diff as $index => $_chunk) {
$this->assertSame(0, $index);
$this->assertSame($chunk, $_chunk);
}
}
}
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