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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
/// <summary>
/// System.Math.Abs(System.Int16)
/// </summary>
public class MathAbs3
{
public static int Main(string[] args)
{
MathAbs3 abs3 = new MathAbs3();
TestLibrary.TestFramework.BeginTestCase("Testing System.Math.Abs(System.Int16)...");
if (abs3.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;
TestLibrary.TestFramework.LogInformation("[Negtive]");
retVal = NegTest1() && retVal;
return retVal;
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: Verify the max value of Int16 should be equal to its Abs value...");
try
{
Int16 min = Int16.MaxValue;
if (Math.Abs(min) != min)
{
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 Abs value of zero should be equal to both itself and its contrary value...");
try
{
Int16 zero = 0;
if (Math.Abs(zero) != zero || Math.Abs(zero) != -zero)
{
TestLibrary.TestFramework.LogError("003", "Abs value of zero should be equal to both itself and its contrary value!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
public bool NegTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest1: Verify the Abs of min value of Int16...");
try
{
Int16 min = Int16.MinValue;
if (Math.Abs(min) != -min)
{
TestLibrary.TestFramework.LogError("101", "The Abs of min value should be equal to it's contrary value!");
retVal = false;
}
}
catch (OverflowException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("102", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
}
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