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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.Ceiling(System.Double)
/// </summary>
public class MathCeiling
{
public static int Main(string[] args)
{
MathCeiling ceiling = new MathCeiling();
TestLibrary.TestFramework.BeginTestCase("Testing System.Math.Ceiling(System.Double)...");
if (ceiling.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 Ceiling number should be equal to the integer part of negative number...");
try
{
double number = TestLibrary.Generator.GetDouble(-55);
while (number >= 0)
{
number = (-TestLibrary.Generator.GetDouble(-55))*100;
}
double ceilingNumber = Math.Ceiling(number);
if (ceilingNumber < number || ceilingNumber > number + 1)
{
TestLibrary.TestFramework.LogError("001","The Ceiling number should be equal to the integer part of negative number!");
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 Ceiling number should be equal to itself when number is negative integer");
try
{
double number = TestLibrary.Generator.GetDouble(-55);
while (number >= 0)
{
number = (-TestLibrary.Generator.GetDouble(-55)) * 100;
}
double ceilingNumber = Math.Ceiling(number);
if (ceilingNumber != Math.Ceiling(ceilingNumber))
{
TestLibrary.TestFramework.LogError("003","The Ceiling number should be equal to itself when number is negative integer...");
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 Ceiling number should be equal to the integer part plus one of positive number...");
try
{
double number = TestLibrary.Generator.GetDouble(-55);
while (number <= 0)
{
number = (TestLibrary.Generator.GetDouble(-55)) * 100;
}
double ceilingNumber = Math.Ceiling(number);
if (ceilingNumber < number || ceilingNumber > number + 1)
{
TestLibrary.TestFramework.LogError("005", "The Ceiling number should be equal to the integer part plus one of positive number!");
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 Ceiling number should be equal to itself when number is positive integer");
try
{
double number = TestLibrary.Generator.GetDouble(-55);
while (number <= 0)
{
number = (TestLibrary.Generator.GetDouble(-55)) * 100;
}
double ceilingNumber = Math.Ceiling(number);
if (ceilingNumber != Math.Ceiling(ceilingNumber))
{
TestLibrary.TestFramework.LogError("007", "The Ceiling number should be equal to itself when number is positive integer...");
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 Ceiling number should be equal to itself when number is maxvalue...");
try
{
double ceilingMax = Math.Ceiling(double.MaxValue);
if (ceilingMax != double.MaxValue)
{
TestLibrary.TestFramework.LogError("009", "The Ceiling number should be equal to itself when number is maxvalue!");
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 Ceiling number should be equal to itself when number is minvalue...");
try
{
double ceilingMax = Math.Ceiling(double.MinValue);
if (ceilingMax != double.MinValue)
{
TestLibrary.TestFramework.LogError("011", "The Ceiling number should be equal to itself when number is minvalue!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("012", "Unexpected exception occurs: " + e);
retVal = false;
}
return retVal;
}
}
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