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<?php

namespace Illuminate\Tests\Container;

use Illuminate\Container\Util;

use PHPUnit\Framework\TestCase;

use stdClass;

class UtilTest extends TestCase

{

public function testUnwrapIfClosure()

{

$this->assertSame('foo', Util::unwrapIfClosure('foo'));

$this->assertSame('foo', Util::unwrapIfClosure(function () {

return 'foo';

}));

}

public function testArrayWrap()

{

$string = 'a';

$array = ['a'];

$object = new stdClass;

$object->value = 'a';

$this->assertEquals(['a'], Util::arrayWrap($string));

$this->assertEquals($array, Util::arrayWrap($array));

$this->assertEquals([$object], Util::arrayWrap($object));

$this->assertEquals([], Util::arrayWrap(null));

$this->assertEquals([null], Util::arrayWrap([null]));

$this->assertEquals([null, null], Util::arrayWrap([null, null]));

$this->assertEquals([''], Util::arrayWrap(''));

$this->assertEquals([''], Util::arrayWrap(['']));

$this->assertEquals([false], Util::arrayWrap(false));

$this->assertEquals([false], Util::arrayWrap([false]));

$this->assertEquals([0], Util::arrayWrap(0));

$obj = new stdClass;

$obj->value = 'a';

$obj = unserialize(serialize($obj));

$this->assertEquals([$obj], Util::arrayWrap($obj));

$this->assertSame($obj, Util::arrayWrap($obj)[0]);

}

}