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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;
public class ArrayBinarySort2
{
private const int c_MIN_SIZE = 64;
private const int c_MAX_SIZE = 1024;
private const int c_NUM_LOOPS = 50;
public static int Main()
{
ArrayBinarySort2 ac = new ArrayBinarySort2();
TestLibrary.TestFramework.BeginTestCase("Array.Sort(Array, IComparer)");
if (ac.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("");
TestLibrary.TestFramework.LogInformation("[Negative]");
retVal = NegTest1() && retVal;
return retVal;
}
public bool PosTest1()
{
bool retVal = true;
Array array;
int length;
double element;
IComparer myc;
TestLibrary.TestFramework.BeginScenario("PosTest1: Array.Sort(Array, IComparer) ");
try
{
for(int j=0; j<c_NUM_LOOPS; j++)
{
myc = new MyComparer();
// creat the array
length = (TestLibrary.Generator.GetInt32(-55) % (c_MAX_SIZE-c_MIN_SIZE)) + c_MIN_SIZE;
array = Array.CreateInstance(typeof(Double), length);
// fill the array
for (int i=0; i<array.Length; i++)
{
array.SetValue((object)TestLibrary.Generator.GetDouble(-55), i);
}
Array.Sort(array, myc);
// ensure that all the elements are sorted
element = (double)array.GetValue(0);
for(int i=0; i<array.Length; i++)
{
if (element > (double)array.GetValue(i))
{
TestLibrary.TestFramework.LogError("000", "Unexpected value: Element (" + element + ") is greater than (" + (double)array.GetValue(i) + ")");
retVal = false;
}
}
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("001", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest2()
{
bool retVal = true;
Array array;
int length;
IComparer myc;
double element;
TestLibrary.TestFramework.BeginScenario("PosTest2: Array.Sort(Array, IComparer) null comparer");
try
{
// creat the array
length = (TestLibrary.Generator.GetInt32(-55) % (c_MAX_SIZE-c_MIN_SIZE)) + c_MIN_SIZE;
array = Array.CreateInstance(typeof(double), length);
// fill the array
for (int i=0; i<array.Length; i++)
{
array.SetValue(TestLibrary.Generator.GetDouble(-55), i);
}
myc = null;
Array.Sort(array, myc);
// ensure that all the elements are sorted
element = (double)array.GetValue(0);
for(int i=0; i<array.Length; i++)
{
if (element > (double)array.GetValue(i))
{
TestLibrary.TestFramework.LogError("002", "Unexpected value: Element (" + element + ") is greater than (" + (double)array.GetValue(i) + ")");
retVal = false;
}
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("003", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
public bool NegTest1()
{
bool retVal = true;
Array array;
IComparer myc;
TestLibrary.TestFramework.BeginScenario("NegTest1: Array.Sort(Array, IComparer) null array");
try
{
array = null;
myc = new MyComparer();
Array.Sort(array, myc);
TestLibrary.TestFramework.LogError("004", "Exception expected.");
retVal = false;
}
catch (ArgumentNullException)
{
// expected
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("005", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
public class MyComparer : IComparer
{
public int Compare(object obj1, object obj2)
{
if ((double)obj1 == (double)obj2) return 0;
return ((double)obj1 < (double)obj2) ? -1 : 1;
}
}
}
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