public void Test_Write()
{
TestDataType data;
FileStream file;
/*
* Test null file stream
*/
data = new TestDataType(0);
try
{
data.Write(null, 0);
}
catch (ArgumentNullException ex)
{
/* Passes if this exception is caught */
Assert.AreEqual(1, 1);
}
/*
* Try to write from a negative actual offset
*/
file = new FileStream(TestHelper.EmptyFile, FileMode.Open);
data = new TestDataType(-4);
try
{
data.Read(file, 0);
/* Fail if this is reached */
Assert.AreEqual(1, 0);
}
catch (InvalidOperationException ex)
{
/* Pass if this exception is caught */
Assert.AreEqual(1, 1);
}
file.Close();
}
public void Test_readFile()
{
FileStream file;
TestDataType data;
/*
* Test null file stream
*/
data = new TestDataType(0);
try
{
data.Read(null, 0);
}
catch (ArgumentNullException ex)
{
/* Passes if this exception is caught */
Assert.AreEqual(1, 1);
}
/*
* Try to read from a negative actual offset
*/
file = new FileStream(TestHelper.EmptyFile, FileMode.Open);
data = new TestDataType(-4);
try
{
data.Read(file, 0);
/* Fail if this is reached */
Assert.AreEqual(1, 0);
}
catch (InvalidOperationException ex)
{
/* Pass if this exception is caught */
Assert.AreEqual(1, 1);
}
file.Close();
/*
* Try to read past end of file
*/
file = new FileStream(TestHelper.EmptyFile, FileMode.Open);
data = new TestDataType(0);
try
{
data.Read(file, 0);
/* Fail if this is reached */
Assert.AreEqual(1, 0);
}
catch (Exception ex)
{
/* Pass if this exception is caught */
Assert.AreEqual(1, 1);
}
/*
* Valid read tests are handled by classes that inherit DataType.
*/
}