Functional\Tests\FirstTest::testWithoutCallback PHP Method

    public function testWithoutCallback($functionName)
    {
        $this->assertSame('first', $functionName($this->list));
        $this->assertSame('first', $functionName($this->list, null));
        $this->assertSame('first', $functionName($this->listIterator));
        $this->assertSame('first', $functionName($this->listIterator, null));
        $this->assertSame('foo', $functionName($this->badArray));
        $this->assertSame('foo', $functionName($this->badArray, null));
        $this->assertSame('foo', $functionName($this->badIterator));
        $this->assertSame('foo', $functionName($this->badIterator, null));
    }