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using System;
using System.Collections;
/// <summary>
/// System.Math.Abs(System.Double)
/// </summary>
public class MathAbs2
{
public static int Main(string[] args)
{
MathAbs2 abs2 = new MathAbs2();
TestLibrary.TestFramework.BeginTestCase("Testing System.Math.Abs(System.Double)...");
if (abs2.RunTests())
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("PASS");
return 100;
}
else
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("FAIL");
return 0;
}
}
public bool RunTests()
{
bool retVal = true;
TestLibrary.TestFramework.LogInformation("[Positive]");
retVal = PosTest1() && retVal;
retVal = PosTest2() && retVal;
retVal = PosTest3() && retVal;
retVal = PosTest4() && retVal;
retVal = PosTest5() && retVal;
retVal = PosTest6() && retVal;
return retVal;
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: Verify the max value of Double should be equal to its Abs value...");
try
{
Double doubleParam = Double.MaxValue;
if (Math.Abs(doubleParam) != doubleParam)
{
TestLibrary.TestFramework.LogError("001", "The Abs of max value should be equal to itself!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest2: Verify the Abs of min value of Double should be equal to it's contrary value...");
try
{
Double doubleParam = Double.MinValue;
if (Math.Abs(doubleParam) != -doubleParam)
{
TestLibrary.TestFramework.LogError("003", "The Abs of min value should be equal to it's contrary value!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest3: Verify the Abs of NegativeInfinity should be equal to it's contrary value...");
try
{
Double doubleParam = Double.NegativeInfinity;
if (Math.Abs(doubleParam) != -doubleParam)
{
TestLibrary.TestFramework.LogError("005", "The Abs of NegativeInfinity should be equal to it's contrary value!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("006", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest4()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest4: Verify the Abs of PositiveInfinity should be equal to itself...");
try
{
Double doubleParam = Double.PositiveInfinity;
if (Math.Abs(doubleParam) != doubleParam)
{
TestLibrary.TestFramework.LogError("007", "The Abs of PositiveInfinity should be equal to itself!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("008", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest5()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest5: Verify Abs value of zero should be equal to both itself and its contrary value...");
try
{
Double zero = 0;
if (Math.Abs(zero) != zero || Math.Abs(zero) != -zero)
{
TestLibrary.TestFramework.LogError("009", "Abs value of zero should be equal to both itself and its contrary value!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("010", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest6()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest6: Verify Abs value of Epsilon ");
try
{
Double epsilon = Double.Epsilon;
if (Math.Abs(epsilon) != epsilon)
{
TestLibrary.TestFramework.LogError("011","Abs value of epsilon should be equal to itself...");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("012","Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
}
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