JpnForPhp\Tests\Helper\HelperTest::testExtractHiraganaWithLengthEqualsOneWhenHiraganaOnly PHP Method

    public function testExtractHiraganaWithLengthEqualsOneWhenHiraganaOnly()
    {
        $result = Helper::extractHiragana($this->hiraganaCharacters, 1);
        $this->assertEquals(array('ひ', 'ら', 'が', 'な'), $result);
    }