Kraken\_Unit\Util\Buffer\BufferTest::testApiShift_DoesNotChangeBufferState_WhenNegativeLengthIsPassed PHP Метод

    public function testApiShift_DoesNotChangeBufferState_WhenNegativeLengthIsPassed()
    {
        $length = -1;
        $result = $this->buffer->shift($length);
        $this->assertSame('', $result);
        $this->assertSame($this->initialString, (string) $this->buffer);
    }