public static async Task ReuseAfterBuild(int threshold)
{
using var writer = new FileBufferingWriter(memoryThreshold: threshold, asyncIO: true);
var bytes = new byte[500];
for (byte i = 0; i < byte.MaxValue; i++)
{
bytes[i] = i;
}
await writer.WriteAsync(bytes, 0, byte.MaxValue);
await writer.WriteAsync(bytes.AsMemory(byte.MaxValue));
Equal(bytes.Length, writer.Length);
using (var manager = await writer.GetWrittenContentAsync())
Equal(bytes, manager.Memory.ToArray());
await writer.WriteAsync(new byte[] { 3, 4, 5 }.AsMemory());
writer.WriteByte(6);
using (var manager = await writer.GetWrittenContentAsync(500..))
{
Equal(new byte[] { 3, 4, 5, 6 }, manager.Memory.ToArray());
}
}
public static async Task WriteDuringReadAsync()
{
using var writer = new FileBufferingWriter();
writer.Write(new byte[] { 1, 2, 3 });
using var manager = writer.GetWrittenContent();
Equal(new byte[] { 1, 2, 3 }, manager.Memory.ToArray());
Throws <InvalidOperationException>(writer.Clear);
Throws <InvalidOperationException>(() => writer.WriteByte(2));
Throws <InvalidOperationException>(() => writer.GetWrittenContent());
await ThrowsAsync <InvalidOperationException>(() => writer.WriteAsync(new byte[2], 0, 2));
await ThrowsAsync <InvalidOperationException>(writer.GetWrittenContentAsync().AsTask);
}