585 lines
19 KiB
C#
585 lines
19 KiB
C#
using System;
|
|
using System.Linq;
|
|
using Microsoft.VisualStudio.TestTools.UnitTesting;
|
|
|
|
namespace VAR.ExpressionEvaluator.Tests
|
|
{
|
|
[TestClass()]
|
|
public class ParserTests
|
|
{
|
|
#region Plus and Minus
|
|
|
|
[TestMethod()]
|
|
public void PlusAndMinus__Ten_EqualsTen()
|
|
{
|
|
string expression = "10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void PlusAndMinus__OnePlusTwo_EqualsThree()
|
|
{
|
|
string expression = "1 + 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(3m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void PlusAndMinus__OneMinusTwo_EqualsMinusOne()
|
|
{
|
|
string expression = "1 - 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(-1m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void PlusAndMinus__OneMillionMinusHundredThousands_EqualsNineHundredThousands()
|
|
{
|
|
string expression = "1000000 - 100000";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(900000m, result);
|
|
}
|
|
|
|
#endregion Plus and minus
|
|
|
|
#region Number signs
|
|
|
|
[TestMethod()]
|
|
public void Signs__MinusTen()
|
|
{
|
|
string expression = "-10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(-10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Signs__PlusTen()
|
|
{
|
|
string expression = "+10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Signs__MinusMinusTen()
|
|
{
|
|
string expression = "--10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Signs__MinusPlusChainTen()
|
|
{
|
|
string expression = "--++-+-10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Signs__10Minus20Minus30()
|
|
{
|
|
string expression = "10 + -20 - +30";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(-40m, result);
|
|
}
|
|
|
|
#endregion Number signs
|
|
|
|
#region Decimal numbers
|
|
|
|
[TestMethod()]
|
|
public void Decimals__OnePointZero()
|
|
{
|
|
string expression = "1.0";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(1.0m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Decimals__OnePointOne()
|
|
{
|
|
string expression = "1.1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(1.1m, result);
|
|
}
|
|
|
|
#endregion Decimal numbers
|
|
|
|
#region Multiplication and division
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__10MutiplyBy2()
|
|
{
|
|
string expression = "10 * 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(20m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__10DividedBy2()
|
|
{
|
|
string expression = "10 / 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(5m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__5DividedBy2()
|
|
{
|
|
string expression = "5 / 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(2.5m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__5DividedBy2Plus1()
|
|
{
|
|
string expression = "5 / 2 + 1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(3.5m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__1Plus5DividedBy2()
|
|
{
|
|
string expression = "1 + 5 / 2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(3.5m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__5DividedByParen1Plus1()
|
|
{
|
|
string expression = "5 / (1 + 1)";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(2.5m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void MultAndDiv__Paren2Plus2DividedByParen1Plus1()
|
|
{
|
|
string expression = "(2 + 2) / (1 + 1)";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(2m, result);
|
|
}
|
|
|
|
#endregion Multiplication and division
|
|
|
|
#region Variables
|
|
|
|
[TestMethod()]
|
|
public void Variables__Var1PlusVar2()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetVariable("v1", 1);
|
|
evaluationContex.SetVariable("v2", 1);
|
|
string expression = "v1 + v2";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual(2m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Variables__Var1MultiplyVar2()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetVariable("v1", 10);
|
|
evaluationContex.SetVariable("v2", 5);
|
|
string expression = "v1 * v2";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual(50m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Variables__Var1DivideVar2()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetVariable("_v1", 100);
|
|
evaluationContex.SetVariable("$v2", 20);
|
|
string expression = "_v1 / $v2";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual(5m, result);
|
|
}
|
|
|
|
#endregion Variables
|
|
|
|
#region Funcitions
|
|
|
|
[TestMethod()]
|
|
public void Functions__MaxFunction()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetFunction("max", (parameters) =>
|
|
{
|
|
return parameters.Max(p => (decimal)p);
|
|
});
|
|
string expression = "max(1,2,10,5)";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual(10m, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Functions__NestedTest()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetVariable("linea1", 1);
|
|
evaluationContex.SetVariable("linea2", 1);
|
|
evaluationContex.SetVariable("linea4", 4);
|
|
evaluationContex.SetFunction("iif", (parameters) =>
|
|
{
|
|
if (((bool)parameters[0]) == true)
|
|
{
|
|
return parameters[1];
|
|
}
|
|
else
|
|
{
|
|
return parameters[2];
|
|
}
|
|
});
|
|
string expression = "iif(linea1>linea2,iif(linea1>linea4, linea1, iif(linea4>linea2,linea4,linea2)),iif(linea2>linea4,linea2,linea4))";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual(4m, result);
|
|
}
|
|
|
|
#endregion Functions
|
|
|
|
#region Strings
|
|
|
|
[TestMethod()]
|
|
public void Strings__Contatenate_Hello_World()
|
|
{
|
|
string expression = "\"Hello\" + ' ' +\"World\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual("Hello World", result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Strings__Contatenate_Hello_World_WithVariables()
|
|
{
|
|
EvaluationContext evaluationContex = new EvaluationContext();
|
|
evaluationContex.SetVariable("v1", "Hello");
|
|
evaluationContex.SetVariable("v2", " ");
|
|
evaluationContex.SetVariable("v3", "World");
|
|
string expression = "v1 + v2 + v3";
|
|
object result = Parser.EvaluateString(expression, evaluationContex);
|
|
Assert.AreEqual("Hello World", result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Strings__Fail_Minus()
|
|
{
|
|
string expression = "'Hello' - 'World'";
|
|
try
|
|
{
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.Fail();
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Strings__Fail_Multiply()
|
|
{
|
|
string expression = "'Hello' * 'World'";
|
|
try
|
|
{
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.Fail();
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Strings__Fail_Division()
|
|
{
|
|
string expression = "'Hello' / 'World'";
|
|
try
|
|
{
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.Fail();
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
|
|
#endregion Strings
|
|
|
|
#region Relations
|
|
|
|
[TestMethod()]
|
|
public void Relations_1GreatherThan2_EqualsFalse()
|
|
{
|
|
string expression = "1>2";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyGreatherThan1_EqualsFalse()
|
|
{
|
|
string expression = "\"\">1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1GreatherThanStringEmpty_EqualsFalse()
|
|
{
|
|
string expression = "1>\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1Equals1_EqualsTrue()
|
|
{
|
|
string expression = "1=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyEquals1_EqualsFalse()
|
|
{
|
|
string expression = "\"\"=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1EqualsStringEmpty_EqualsFalse()
|
|
{
|
|
string expression = "1=\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_10NotEquals1_EqualsTrue()
|
|
{
|
|
string expression = "10!=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyNotEquals1_EqualsTrue()
|
|
{
|
|
string expression = "\"\"!=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1NotEqualsStringEmpty_EqualsTrue()
|
|
{
|
|
string expression = "1!=\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_10Different1_EqualsTrue()
|
|
{
|
|
string expression = "10<>1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyDifferent1_EqualsTrue()
|
|
{
|
|
string expression = "\"\"<>1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1DifferentStringEmpty_EqualsTrue()
|
|
{
|
|
string expression = "1<>\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_10LessThan1_EqualsFalse()
|
|
{
|
|
string expression = "10<1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyLessThan1_EqualsFalse()
|
|
{
|
|
string expression = "\"\"<1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1LessThanStringEmpty_EqualsFalse()
|
|
{
|
|
string expression = "1<\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1GreaterOrEqualThan1_EqualsTrue()
|
|
{
|
|
string expression = "1>=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyGreaterOrEqualThan1_EqualsFalse()
|
|
{
|
|
string expression = "\"\">=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1GreaterOrEqualThanStringEmpty_EqualsFalse()
|
|
{
|
|
string expression = "1>=\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1LessOrEqualThan1_EqualsTrue()
|
|
{
|
|
string expression = "1<=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(true, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1GreaterOrEqualThan10_EqualsFalse()
|
|
{
|
|
string expression = "1>=10";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_10LessOrEqualThan1_EqualsFalse()
|
|
{
|
|
string expression = "10<=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_StringEmptyLessOrEqualThan1_EqualsFalse()
|
|
{
|
|
string expression = "\"\"<=1";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void Relations_1LessOrEqualThanStringEmpty_EqualsFalse()
|
|
{
|
|
string expression = "1<=\"\"";
|
|
object result = Parser.EvaluateString(expression);
|
|
Assert.AreEqual(false, result);
|
|
}
|
|
|
|
#endregion Relations
|
|
|
|
#region BooleanOps
|
|
|
|
[TestMethod()]
|
|
public void BooleanOps_And()
|
|
{
|
|
Assert.AreEqual(false, Parser.EvaluateString("false and false"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("false and true"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("true and false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true and true"));
|
|
|
|
Assert.AreEqual(false, Parser.EvaluateString("false && false"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("false && true"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("true && false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true && true"));
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void BooleanOps_Or()
|
|
{
|
|
Assert.AreEqual(false, Parser.EvaluateString("false or false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("false or true"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true or false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true or true"));
|
|
|
|
Assert.AreEqual(false, Parser.EvaluateString("false || false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("false || true"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true || false"));
|
|
Assert.AreEqual(true, Parser.EvaluateString("true || true"));
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void BooleanOps_Not()
|
|
{
|
|
Assert.AreEqual(true, Parser.EvaluateString("!false"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("!true"));
|
|
|
|
Assert.AreEqual(true, Parser.EvaluateString("not false"));
|
|
Assert.AreEqual(false, Parser.EvaluateString("not true"));
|
|
}
|
|
|
|
|
|
#endregion BooleanOps
|
|
|
|
#region Null value
|
|
|
|
|
|
[TestMethod()]
|
|
public void NullValue_NullPlusAnything_EqualsNull()
|
|
{
|
|
Assert.AreEqual(null, Parser.EvaluateString("null + 1"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null + 100"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("1 + null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("100 + null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null + null"));
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void NullValue_NullMinusAnything_EqualsNull()
|
|
{
|
|
Assert.AreEqual(null, Parser.EvaluateString("null - 1"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null - 100"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("1 - null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("100 - null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null - null"));
|
|
}
|
|
|
|
[TestMethod()]
|
|
public void NullValue_NullByAnything_EqualsNull()
|
|
{
|
|
Assert.AreEqual(null, Parser.EvaluateString("null * 1"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null * 100"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("1 * null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("100 * null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null * null"));
|
|
|
|
Assert.AreEqual(null, Parser.EvaluateString("null / 1"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null / 100"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("1 / null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("100 / null"));
|
|
Assert.AreEqual(null, Parser.EvaluateString("null / null"));
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
} |