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

    public function testExtractKanjiWithLengthEqualsOneWhenMixed()
    {
        $result = Helper::extractKanji($this->mixCharacters, 1);
        $this->assertEquals(array('今', '日', '学', '校'), $result);
    }