# assertArraySubset() >[info] ## assertArraySubset(array $subset, array $array[, bool $strict = '', string $message = '']) 当 `$array` 不包含 `$subset` 时报告错误，错误讯息由 `$message` 指定。 `$strict` 是一个标志，用于表明是否需要对数组中的对象进行全等判定。 **Example A.3. assertArraySubset() 的用法** ~~~ <?php class ArraySubsetTest extends PHPUnit_Framework_TestCase { public function testFailure() { $this->assertArraySubset(['config' => ['key-a', 'key-b']], ['config' => ['key-a']]); } } ?> ~~~ ~~~ phpunit ArrayHasKeyTest PHPUnit 4.4.0 by Sebastian Bergmann. F Time: 0 seconds, Memory: 5.00Mb There was 1 failure: 1) Epilog\EpilogTest::testNoFollowOption Failed asserting that an array has the subset Array &0 ( 'config' => Array &1 ( 0 => 'key-a' 1 => 'key-b' ) ). /home/sb/ArraySubsetTest.php:6 FAILURES! Tests: 1, Assertions: 1, Failures: 1. ~~~