Eris\Generator\SequenceGeneratorTest::testShrinkEmptySequence PHP Method

    public function testShrinkEmptySequence()
    {
        $generator = new SequenceGenerator($this->singleElementGenerator);
        $elements = $generator($size = 0, $this->rand);
        $this->assertEquals(0, count($elements->unbox()));
        $this->assertEquals(0, count($generator->shrink($elements)->unbox()));
    }