Faker\Test\Provider\BaseTest::testRandomElements PHP Метод

    public function testRandomElements()
    {
        $this->assertCount(1, BaseProvider::randomElements(), 'Should work without any input');
        $empty = BaseProvider::randomElements(array(), 0);
        $this->assertInternalType('array', $empty);
        $this->assertCount(0, $empty);
        $shuffled = BaseProvider::randomElements(array('foo', 'bar', 'baz'), 3);
        $this->assertContains('foo', $shuffled);
        $this->assertContains('bar', $shuffled);
        $this->assertContains('baz', $shuffled);
        $allowDuplicates = BaseProvider::randomElements(array('foo', 'bar'), 3, true);
        $this->assertCount(3, $allowDuplicates);
        $this->assertContainsOnly('string', $allowDuplicates);
    }