JpnForPhp\Tests\Converter\ConverterTest::testConversionToJapaneseNumeral1000000000000 PHP Метод

    public function testConversionToJapaneseNumeral1000000000000()
    {
        $result = Converter::toJapaneseNumeral(1000000000000);
        $this->assertEquals('一兆', $result);
    }