public void NoSeekTest()
{
byte[] buf = new byte[50];
Random rnd = new Random();
for (int i = 0; i < 50; i++)
{
buf [i] = (byte)rnd.Next();
}
Stream noSeekStream = new NoSeekMemoryStream(buf);
Assert.AreEqual(false, noSeekStream.CanSeek);
try
{
noSeekStream.Seek(10, SeekOrigin.Current);
throw new InvalidOperationException("This should not happen");
}
catch (NotSupportedException)
{
// should catch the execption
}
//Cannot set position
Assert.Throws <NotImplementedException> (delegate { noSeekStream.Position = 10; });
}
public void NetworkStream_OnSeek_ExceptionThrown()
{
byte[] bytes = System.Text.Encoding.Unicode.GetBytes(TEST_STRING);
NoSeekMemoryStream stream = new NoSeekMemoryStream(bytes, 10, 5);
stream.Seek(12, System.IO.SeekOrigin.Begin);
}
public void SeekMethodExceptionTest()
{
NoSeekMemoryStream ms = new NoSeekMemoryStream(new byte[1]);
try{
ms.Seek(5, SeekOrigin.Begin);
Assert.Fail();
} catch (NotSupportedException) {
}
}
public void TestMethod8()
{
try
{
byte[] buf1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
NoSeekMemoryStream nsms = new NoSeekMemoryStream(buf1);
nsms.Seek(2, SeekOrigin.Current);
Assert.Fail("An exception should have been thrown");
}
catch (Exception e)
{
Assert.AreEqual(e.GetType(), typeof(NotSupportedException));
}
}
static public bool SeekTests()
{
Console.WriteLine("\nTesting Seek Functionality: ");
byte[] b = new byte[80000];
NoSeekMemoryStream ns = new NoSeekMemoryStream(b);
Console.Write("\tTesting CanSeek, false expected: ");
if (ns.CanSeek)
{
Console.WriteLine("FAILED");
}
else
{
Console.WriteLine("SUCCESS");
}
try
{
Console.Write("\tTesting Seeking function, exception expected: ");
ns.Seek(10, System.IO.SeekOrigin.Begin);
Console.WriteLine("FAILED");
}
catch
{
Console.WriteLine("SUCCESS");
}
/*
* try
* {
* Console.Write("\tTesting setting position, exception expected: ");
* ns.Position = 12;
* Console.WriteLine("FAILED");
* }
* catch
* {
* Console.WriteLine("SUCCESS");
* }
*/
return(true);
}
public void SeekMethodTest()
{
NoSeekMemoryStream stream = new NoSeekMemoryStream(new byte[1024]);
Assert.Throws <NotSupportedException>(() => stream.Seek(0, System.IO.SeekOrigin.Begin));
}
public void seekEnd()
{
NoSeekMemoryStream nsms = new NoSeekMemoryStream(string1, 0, 2);
Assert.Throws <NotSupportedException>(() => nsms.Seek(2, SeekOrigin.End));
}
public void seekTest1()
{
NoSeekMemoryStream ms1 = new NoSeekMemoryStream(string1);
Assert.Throws <NotSupportedException>(() => ms1.Seek(0, SeekOrigin.Begin));
}
