public void TestEmptyPeek() {
MemoryStream stream = new MemoryStream();
for (int i = 0; i < 10; i++) {
stream.WriteByte((byte)i);
}
stream.Seek(0, SeekOrigin.Begin);
PeekSupportingStream peekSup = new PeekSupportingStream(stream);
peekSup.StartPeeking();
peekSup.EndPeeking();
int res = peekSup.ReadByte();
Assert.AreEqual(0, res);
}
public void TestPeekSupportMulitplePeek() {
MemoryStream stream = new MemoryStream();
for (int i = 0; i < 10; i++) {
stream.WriteByte((byte)i);
}
stream.Seek(0, SeekOrigin.Begin);
PeekSupportingStream peekSup = new PeekSupportingStream(stream);
peekSup.StartPeeking();
for (int i = 0; i < 7; i++) {
Assert.AreEqual(i, peekSup.ReadByte());
}
peekSup.EndPeeking();
// now read something, then peek anew
// read the whole content after end of peeking
for (int i = 0; i < 3; i++) {
Assert.AreEqual(i, peekSup.ReadByte());
}
peekSup.StartPeeking();
for (int i = 3; i < 9; i++) {
Assert.AreEqual(i, peekSup.ReadByte());
}
peekSup.EndPeeking();
// now read the rest of the stream
for (int i = 3; i < 10; i++) {
Assert.AreEqual(i, peekSup.ReadByte());
}
}
public void TestPeekSupportReadArrayNoPeek() {
MemoryStream stream = new MemoryStream();
for (int i = 0; i < 10; i++) {
stream.WriteByte((byte)i);
}
stream.Seek(0, SeekOrigin.Begin);
PeekSupportingStream peekSup = new PeekSupportingStream(stream);
byte[] result = new byte[10];
peekSup.Read(result, 0, 10);
for (int i = 0; i < 10; i++) {
Assert.AreEqual(i, result[i]);
}
}
public void TestPeekSupportReadByteNoPeek() {
MemoryStream stream = new MemoryStream();
for (int i = 0; i < 10; i++) {
stream.WriteByte((byte)i);
}
stream.Seek(0, SeekOrigin.Begin);
PeekSupportingStream peekSup = new PeekSupportingStream(stream);
for (int i = 0; i < 10; i++) {
Assert.AreEqual(i, peekSup.ReadByte());
}
}