koesie10 / UnitConverter

        $this->assertTrue($lexer->eof());

    }

    public function testMultipliedUnits() {

        $lexer = $this->createLexer('N * m');

        $this->assertEquals(new Token(Token::TYPE_UNIT, 'N'), $lexer->next());

        $this->assertEquals(new Operator('*', 1), $lexer->next());

        $this->assertEquals(new Token(Token::TYPE_UNIT, 'm'), $lexer->next());

        $this->assertTrue($lexer->eof());

    }

    public function testDividedUnits() {

        $lexer = $this->createLexer('m/s');

        $this->assertTrue($lexer->eof());

    }

    public function testDividedUnits() {

        $lexer = $this->createLexer('m/s');

        $this->assertEquals(new Token(Token::TYPE_UNIT, 'm'), $lexer->next());

        $this->assertEquals(new Operator('/', 1), $lexer->next());

        $this->assertEquals(new Token(Token::TYPE_UNIT, 's'), $lexer->next());

        $this->assertTrue($lexer->eof());

    }

    public function testExponentialUnit() {

        $lexer = $this->createLexer('m^2');

        $this->assertTrue($lexer->eof());

    }

    public function testExponentialUnit() {

        $lexer = $this->createLexer('m^2');

        $this->assertEquals(new Token(Token::TYPE_UNIT, 'm'), $lexer->next());

        $this->assertEquals(new Operator('^', 2), $lexer->next());

        $this->assertEquals(new Token(Token::TYPE_DIGIT, '2'), $lexer->next());

        $this->assertTrue($lexer->eof());

    }

    public function testExponentialUnits() {

        $lexer = $this->createLexer('m^2/s');