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<?php
namespace Drupal\Tests\Core\Common;
use Drupal\Component\Utility\DiffArray;
use Drupal\Tests\UnitTestCase;
/**
* Tests the DiffArray helper class.
*
* @group Common
*/
class DiffArrayTest extends UnitTestCase {
/**
* Array to use for testing.
*
* @var array
*/
protected $array1;
/**
* Array to use for testing.
*
* @var array
*/
protected $array2;
protected function setUp() {
parent::setUp();
$this->array1 = [
'same' => 'yes',
'different' => 'no',
'array_empty_diff' => [],
'null' => NULL,
'int_diff' => 1,
'array_diff' => ['same' => 'same', 'array' => ['same' => 'same']],
'array_compared_to_string' => ['value'],
'string_compared_to_array' => 'value',
'new' => 'new',
];
$this->array2 = [
'same' => 'yes',
'different' => 'yes',
'array_empty_diff' => [],
'null' => NULL,
'int_diff' => '1',
'array_diff' => ['same' => 'different', 'array' => ['same' => 'same']],
'array_compared_to_string' => 'value',
'string_compared_to_array' => ['value'],
];
}
/**
* Tests DiffArray::diffAssocRecursive().
*/
public function testDiffAssocRecursive() {
$expected = [
'different' => 'no',
'int_diff' => 1,
// The 'array' key should not be returned, as it's the same.
'array_diff' => ['same' => 'same'],
'array_compared_to_string' => ['value'],
'string_compared_to_array' => 'value',
'new' => 'new',
];
$this->assertSame(DiffArray::diffAssocRecursive($this->array1, $this->array2), $expected);
}
}