public void TestPeekableStreamRead()
{
var inputStr = "← ↔ →";
var buffer = inputStr.ToUtf8();
for (int i = 1; i <= buffer.Length; i++)
{
using (var mem = new MemoryStream(buffer))
using (var slow = new SlowStream(mem, i))
using (var peekable = new PeekableStream(slow))
{
using (var peek = peekable.GetPeekStream())
{
var buf = peek.Read(11);
Assert.AreEqual(inputStr, buf.FromUtf8());
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
var buf2 = peekable.Read(11);
Assert.AreEqual(inputStr, buf2.FromUtf8());
Assert.AreEqual(0, peekable.Read(buf2, 0, 1));
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(buf2, 0, 1));
}
}
}
public void TestSingleBytePeekableStreamRead()
{
using (var mem = new MemoryStream(new byte[] { 47 }))
using (var peekable = new PeekableStream(mem))
{
var buf = new byte[1];
using (var peek = peekable.GetPeekStream())
{
Assert.AreEqual(1, peek.Read(buf, 0, 1));
Assert.AreEqual(buf[0], 47);
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
Assert.AreEqual(1, peekable.Read(buf, 0, 1));
Assert.AreEqual(buf[0], 47);
Assert.AreEqual(0, peekable.Read(buf, 0, 1));
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
}
public void TestEmptyPeekableStreamRead()
{
using (var mem = new MemoryStream(new byte[0]))
using (var peekable = new PeekableStream(mem))
{
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(new byte[1], 0, 1));
Assert.AreEqual(0, peekable.Read(new byte[1], 0, 1));
}
}
public void TestSingleBytePeekableStreamRead()
{
using (var mem = new MemoryStream(new byte[] { 47 }))
using (var peekable = new PeekableStream(mem))
{
var buf = new byte[1];
using (var peek = peekable.GetPeekStream())
{
Assert.AreEqual(1, peek.Read(buf, 0, 1));
Assert.AreEqual(buf[0], 47);
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
Assert.AreEqual(1, peekable.Read(buf, 0, 1));
Assert.AreEqual(buf[0], 47);
Assert.AreEqual(0, peekable.Read(buf, 0, 1));
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
}
public void TestEmptyPeekableStreamRead()
{
using (var mem = new MemoryStream(new byte[0]))
using (var peekable = new PeekableStream(mem))
{
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(new byte[1], 0, 1));
Assert.AreEqual(0, peekable.Read(new byte[1], 0, 1));
}
}
public void TestPeekableStreamRead()
{
var inputStr = "← ↔ →";
var buffer = inputStr.ToUtf8();
for (int i = 1; i <= buffer.Length; i++)
{
using (var mem = new MemoryStream(buffer))
using (var slow = new SlowStream(mem, i))
using (var peekable = new PeekableStream(slow))
{
using (var peek = peekable.GetPeekStream())
{
var buf = peek.Read(11);
Assert.AreEqual(inputStr, buf.FromUtf8());
Assert.AreEqual(0, peek.Read(buf, 0, 1));
}
var buf2 = peekable.Read(11);
Assert.AreEqual(inputStr, buf2.FromUtf8());
Assert.AreEqual(0, peekable.Read(buf2, 0, 1));
using (var peek = peekable.GetPeekStream())
Assert.AreEqual(0, peek.Read(buf2, 0, 1));
}
}
}
