public void StringExpression() { FakeVariableLinker fvl = new FakeVariableLinker(); StringExpression se = new StringExpression(new StringConst('a'), new StringConst("bbbb")); Assert.IsTrue(se.GetResult(fvl).Value == "abbbb"); StringExpression se2 = new StringExpression(new StringConst("add"), new StringConst("__bb")); Assert.IsTrue(se2.GetResult(fvl).Value == "add__bb"); StringExpression se3 = new StringExpression(new ConvertToStringExpression(new DoubleVar(FakeVariableLinker.DoubleB)), new StringConst("bb")); Assert.IsTrue(se3.GetResult(fvl).Value == "7.8bb"); }