| public FlushAsync ( CancellationToken cancellationToken ) : Task | ||
| cancellationToken | CancellationToken | |
| Résultat | Task | |
public void Precancellation()
{
var ms = new MemoryStream();
using (Stream compressor = new GZipStream(ms, CompressionMode.Compress, leaveOpen: true))
{
Assert.True(compressor.WriteAsync(new byte[1], 0, 1, new CancellationToken(true)).IsCanceled);
Assert.True(compressor.FlushAsync(new CancellationToken(true)).IsCanceled);
}
using (Stream decompressor = CreateStream(ms, CompressionMode.Decompress, leaveOpen: true))
{
Assert.True(decompressor.ReadAsync(new byte[1], 0, 1, new CancellationToken(true)).IsCanceled);
}
}
/// <summary>
/// Saves the plans to a file.
/// </summary>
/// <param name="plans">The plans.</param>
public static async Task SavePlansAsync(IList<Plan> plans)
{
Character character = (Character)plans.First().Character;
// Prompt the user to pick a file name
using (SaveFileDialog sfdSave = new SaveFileDialog())
{
sfdSave.FileName = $"{character.Name} - Plans Backup";
sfdSave.Title = @"Save to File";
sfdSave.Filter = @"EVEMon Plans Backup Format (*.epb)|*.epb";
sfdSave.FilterIndex = (int)PlanFormat.Emp;
if (sfdSave.ShowDialog() == DialogResult.Cancel)
return;
try
{
string content = PlanIOHelper.ExportAsXML(plans);
// Moves to the final file
await FileHelper.OverwriteOrWarnTheUserAsync(
sfdSave.FileName,
async fs =>
{
// Emp is actually compressed xml
Stream stream = new GZipStream(fs, CompressionMode.Compress);
using (StreamWriter writer = new StreamWriter(stream, Encoding.UTF8))
{
await writer.WriteAsync(content);
await writer.FlushAsync();
await stream.FlushAsync();
await fs.FlushAsync();
}
return true;
});
}
catch (IOException err)
{
ExceptionHandler.LogException(err, false);
MessageBox.Show($"There was an error writing out the file:\n\n{err.Message}",
@"Save Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
public static async Task FlushAsyncFailsAfterDispose()
{
var ms = new MemoryStream();
var ds = new GZipStream(ms, CompressionMode.Compress);
ds.Dispose();
await Assert.ThrowsAsync<ObjectDisposedException>(async () =>
{
await ds.FlushAsync();
});
}
public static async Task Flush()
{
var ms = new MemoryStream();
var ds = new GZipStream(ms, CompressionMode.Compress);
ds.Flush();
await ds.FlushAsync();
// Just ensuring Flush doesn't throw
}