Eris\Generator\MapGeneratorTest::testChecksTheContainmentOfTheOriginalInput PHP Method

    public function testChecksTheContainmentOfTheOriginalInput()
    {
        $generator = new MapGenerator(function ($n) {
            return $n * 2;
        }, new ChooseGenerator(1, 100));
        $element = $generator->__invoke($this->size, $this->rand);
        $this->assertTrue($generator->contains($element), "Generator does not contain the element {$element}, which has previously generated");
    }