public static string StringVariantToInvariant(Worksheet worksheet, string variantString)
{
if (worksheet == null)
{
return(variantString);
}
bool flag = worksheet.ReferenceStyle == ReferenceStyle.A1;
string str = variantString;
bool flag2 = (str != null) && str.StartsWith("=");
try
{
CalcParser parser = new CalcParser();
CalcExpression expr = parser.Parse(variantString, new SpreadCalcParserContext(worksheet, !flag, 0, 0, CultureInfo.CurrentCulture));
str = parser.Unparse(expr, new SpreadCalcParserContext(worksheet, !flag, 0, 0, CultureInfo.InvariantCulture));
if (flag2)
{
variantString = "=" + variantString;
}
}
catch
{
}
return(str);
}
public void Interpreter_GivenEquationSolve_7_ShouldFail()
{
//Arrange
var text = "2^-(4+9*6/7)a";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
//Act
//Assert
Assert.Throws <Exception>(() => parser.Parse());
}
public void Interpreter_GivenEquationSolve_5_ShouldPass()
{
//Arrange
var text = "2^(-3)";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
var tree = parser.Parse();
var interpreter = new CalcInterpreter();
//Act
var result = interpreter.Interpret(tree);
//Assert
Assert.AreEqual(0.125, result);
}
public void Interpreter_GivenEquationSolve_3_ShouldPass()
{
//Arrange
var text = "2^4+9*6/7";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
var tree = parser.Parse();
var interpreter = new CalcInterpreter();
//Act
var result = interpreter.Interpret(tree);
//Assert
Assert.GreaterOrEqual(result, 23.7);
}
public void Interpreter_GivenEquationSolve_1_ShouldPass()
{
//Arrange
var text = "8.23987456*0.3+9-2+45";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
var tree = parser.Parse();
var interpreter = new CalcInterpreter();
//Act
var result = interpreter.Interpret(tree);
//Assert
Assert.AreEqual(54.471962368, result);
}
public void Interpreter_GivenEquationSolve_13_ShouldPass()
{
//Arrange
var text = "!((1.3*4 >= 5/2) & (6^2 >= 7^2))";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
var tree = parser.Parse();
var interpreter = new CalcInterpreter();
//Act
var result = interpreter.Interpret(tree);
//Assert
Assert.AreEqual(1, result);
}
public void Interpreter_GivenEquationSolve_6_ShouldPass()
{
//Arrange
var text = "2^-(4+9*6/7)";
var lexer = new CalcLexer(text);
var parser = new CalcParser(new CalcLexer(text));
var tree = parser.Parse();
var interpreter = new CalcInterpreter();
//Act
var result = interpreter.Interpret(tree);
//Assert
Assert.AreEqual(0.0002976107554210143, result);
}