public void TestThrowOnExtendPartialStream()
{
using (MemoryStream memoryStream = new MemoryStream()) {
memoryStream.SetLength(25);
PartialStream partialStream = new PartialStream(memoryStream, 10, 10);
partialStream.Position = 5;
Assert.Throws <NotSupportedException>(
delegate() { partialStream.Write(new byte[] { 1, 2, 3, 4, 5, 6 }, 0, 6); }
);
}
}
public void TestWriteToPartialStream()
{
using (MemoryStream memoryStream = new MemoryStream()) {
memoryStream.SetLength(123);
memoryStream.Position = 60;
memoryStream.Write(new byte[] { 11, 12, 13, 14, 15 }, 0, 5);
PartialStream partialStream = new PartialStream(memoryStream, 50, 15);
partialStream.Position = 3;
partialStream.Write(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, 0, 10);
byte[] buffer = new byte[17];
memoryStream.Position = 49;
int bytesRead = memoryStream.Read(buffer, 0, 17);
Assert.AreEqual(17, bytesRead);
Assert.AreEqual(
new byte[] { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 0 },
buffer
);
}
}
public void TestThrowOnExtendPartialStream() {
using(MemoryStream memoryStream = new MemoryStream()) {
memoryStream.SetLength(25);
PartialStream partialStream = new PartialStream(memoryStream, 10, 10);
partialStream.Position = 5;
Assert.Throws<NotSupportedException>(
delegate() { partialStream.Write(new byte[] { 1, 2, 3, 4, 5, 6 }, 0, 6); }
);
}
}
public void TestWriteToPartialStream() {
using(MemoryStream memoryStream = new MemoryStream()) {
memoryStream.SetLength(123);
memoryStream.Position = 60;
memoryStream.Write(new byte[] { 11, 12, 13, 14, 15 }, 0, 5);
PartialStream partialStream = new PartialStream(memoryStream, 50, 15);
partialStream.Position = 3;
partialStream.Write(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, 0, 10);
byte[] buffer = new byte[17];
memoryStream.Position = 49;
int bytesRead = memoryStream.Read(buffer, 0, 17);
Assert.AreEqual(17, bytesRead);
Assert.AreEqual(
new byte[] { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 0 },
buffer
);
}
}
