public async Task TestReadFromStream()
{
var options = new FileBufferOptions(100, 10);
await using var buffers = new FileBuffers(options);
using var memStream = new MemoryStream();
var data = new byte[150];
for (byte i = 0; i < data.Length; i++)
{
data[i] = i;
}
memStream.Write(data, 0, data.Length);
var id = new BufferId(Guid.NewGuid(), "*");
await using var buffer = await buffers.AddForMememoryStream(id, memStream).NoSync();
var page = UseAndReturn.That(await buffer.GetPageAsync(0).ConfigureAwait(false));
AssertEqual(1, page.Data[1]);
AssertEqual(100, page.Data.Length);
await page.DisposeAsync().NoSync();
AssertEqual(1, buffers.Pool.Count);
page = UseAndReturn.That(await buffer.GetPageAsync(0).ConfigureAwait(false));
AssertEqual(0L, page.Data.Number);
AssertEqual(1, buffer.NumberOfBufferedPages);
await page.DisposeAsync().NoSync();
}
public async Task TestUseAndReturn()
{
await using var demoObject = new CountObject();
AssertEqual(false, demoObject.IsPinned);
demoObject.Pin();
AssertEqual(true, demoObject.IsPinned);
await using (var x = UseAndReturn.That(demoObject)) {
AssertEqual(true, demoObject.IsPinned);
}
AssertEqual(false, demoObject.IsPinned);
}
public static async Task Main()
{
await using var buffers = new FileBuffers(new FileBufferOptions());
var id = new BufferId(Guid.NewGuid(), "*");
var buffer = await buffers.AddForFile(id, "d:\\temp\\2.abc").NoSync();
for (var i = 0; i < buffer.PageCount; i++)
{
await using var p1 = UseAndReturn.That(await buffer.GetPageAsync(i).NoSync());
Console.WriteLine("Data: " + p1.Data[0].ToString(CultureInfo.CurrentCulture));
}
}