public IExpressionParser CreateParser(IUnitRegistry unitRegistry)
 {
     var tokenMatcherBuilder = new TokenMatcherBuilder();
     var prefixTokenMatchers = tokenMatcherBuilder.Build(unitRegistry.GetPrefixNotations(), true);
     var unitTokenMatchers = tokenMatcherBuilder.Build(unitRegistry.GetUnitNotations(), false);
     var unitExpressionParser = new UnitExpressionParser(
         unitRegistry,
         new LexicalAnalyzer(new[] { prefixTokenMatchers, unitTokenMatchers }));
     return new ExpressionParser(unitExpressionParser);
 }
 public UnitExpressionParserTests()
 {
     var unitRegistry = new UnitRegistry();
     this.lexicalAnalyzer = A.Fake<ILexicalAnalyzer>();
     this.testee = new UnitExpressionParser(unitRegistry, this.lexicalAnalyzer);
 }