void exceptionTesting(IZipChecksum crcUnderTest)
{
var exception = false;
try
{
crcUnderTest.Update(null);
}
catch (ArgumentNullException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing a null buffer should cause an ArgumentNullException");
// reset exception
exception = false;
try
{
crcUnderTest.Update(new ArraySegment <byte>(null, 0, 0).Array);
}
catch (ArgumentNullException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing a null buffer should cause an ArgumentNullException");
// reset exception
exception = false;
try
{
crcUnderTest.Update(new ArraySegment <byte>(check, -1, 9).Array);
}
catch (ArgumentOutOfRangeException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing a negative offset should cause an ArgumentOutOfRangeException");
// reset exception
exception = false;
try
{
crcUnderTest.Update(new ArraySegment <byte>(check, 10, 0).Array);
}
catch (ArgumentException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing an offset greater than buffer.Length should cause an ArgumentException");
// reset exception
exception = false;
try
{
crcUnderTest.Update(new ArraySegment <byte>(check, 0, -1).Array);
}
catch (ArgumentOutOfRangeException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing a negative count should cause an ArgumentOutOfRangeException");
// reset exception
exception = false;
try
{
crcUnderTest.Update(new ArraySegment <byte>(check, 0, 10).Array);
}
catch (ArgumentException)
{
exception = true;
}
Assert.IsTrue(exception, "Passing a count + offset greater than buffer.Length should cause an ArgumentException");
}
