Xamarin Public Jenkins (auto-signing) 7d05485754 Imported Upstream version 5.8.0.22
Former-commit-id: df344e34b07851d296efb3e6604c8db42b6f7aa3
2017-10-19 20:04:20 +00:00

276 lines
8.1 KiB
C#

//
// System.Net.WebClientTestAsync
//
// Authors:
// Martin Baulig (martin.baulig@googlemail.com)
//
// Copyright 2012 Xamarin Inc. (http://www.xamarin.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.IO;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using System.Reflection;
using System.Net;
using NUnit.Framework;
namespace MonoTests.System.Net
{
[TestFixture]
public class WebClientTestAsync
{
[Test]
[Category("Async")]
[Category("AndroidNotWorking")] // Attempts to access the test dll which won't work on Android
public void DownloadData ()
{
WebClient wc;
bool progress_changed = false;
bool completed = false;
bool progress_changed_error = false;
bool completed_error = false;
int thread_id = Thread.CurrentThread.ManagedThreadId;
wc = new WebClient ();
wc.DownloadProgressChanged += delegate {
progress_changed = true;
if (Thread.CurrentThread.ManagedThreadId != thread_id)
progress_changed_error = true;
};
wc.DownloadDataCompleted += delegate {
completed = true;
if (Thread.CurrentThread.ManagedThreadId != thread_id)
completed_error = true;
};
MessagePumpSyncContext.Run (async () => {
var url = Assembly.GetExecutingAssembly ().CodeBase;
await wc.DownloadDataTaskAsync (url);
Assert.AreEqual (Thread.CurrentThread.ManagedThreadId, thread_id);
}, () => progress_changed && completed, 10000);
Assert.IsTrue (progress_changed, "#1");
Assert.IsFalse (progress_changed_error, "#2");
Assert.IsTrue (completed, "#3");
Assert.IsFalse (completed_error, "#4");
}
[Test]
#if FEATURE_NO_BSD_SOCKETS
[ExpectedException (typeof (AggregateException))] // Something catches the PlatformNotSupportedException and re-throws an AggregateException
#endif
public void DownloadFileTaskAsync ()
{
WebClient wc = new WebClient ();
string filename = Path.GetTempFileName ();
var task = wc.DownloadFileTaskAsync ("http://www.mono-project.com/", filename);
Assert.IsTrue (task.Wait (15000));
Assert.IsTrue (task.IsCompleted);
File.Delete (filename);
}
[Test]
[Category ("NotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
public void Cancellation ()
{
WebClient wc = new WebClient ();
var progress = new ManualResetEvent (false);
wc.DownloadProgressChanged += delegate {
progress.Set ();
};
// Try downloading some large file, so we don't finish early.
var url = "http://download.mono-project.com/archive/2.10.9/macos-10-x86/11/MonoFramework-MDK-2.10.9_11.macos10.xamarin.x86.dmg";
var task = wc.DownloadDataTaskAsync (url);
Assert.IsTrue (progress.WaitOne (15000), "#1");
wc.CancelAsync ();
try {
task.Wait ();
Assert.Fail ("#2");
} catch (Exception ex) {
if (ex is AggregateException)
ex = ((AggregateException)ex).InnerException;
Assert.That (ex is WebException || ex is OperationCanceledException, "#4");
Assert.IsTrue (task.IsCanceled || task.IsFaulted, "#5");
}
}
[Test]
[Category ("NotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
public void DownloadMultiple ()
{
WebClient wc = new WebClient ();
var t1 = wc.OpenReadTaskAsync ("http://www.google.com/");
Assert.That (t1.Wait (15000));
Assert.IsTrue (t1.IsCompleted, "#1");
var t2 = wc.OpenReadTaskAsync ("http://www.mono-project.com/");
Assert.That (t2.Wait (15000));
Assert.IsTrue (t2.IsCompleted, "#2");
var t3 = wc.DownloadStringTaskAsync ("http://www.google.com/");
Assert.That (t3.Wait (15000));
Assert.IsTrue (t3.IsCompleted, "#3");
}
[Test]
[Category ("NotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
public void DownloadMultiple2 ()
{
WebClient wc = new WebClient ();
MessagePumpSyncContext.Run (async () => {
await wc.DownloadStringTaskAsync ("http://www.google.com/");
await wc.DownloadDataTaskAsync ("http://www.mono-project.com/");
}, null, 15000);
}
[Test]
[Category ("NotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
public void DownloadMultiple3 ()
{
WebClient wc = new WebClient ();
int thread_id = Thread.CurrentThread.ManagedThreadId;
bool data_completed = false;
bool string_completed = false;
bool error = false;
wc.DownloadDataCompleted += delegate {
if (data_completed || (Thread.CurrentThread.ManagedThreadId != thread_id))
error = true;
data_completed = true;
};
wc.DownloadStringCompleted += delegate {
if (string_completed || (Thread.CurrentThread.ManagedThreadId != thread_id))
error = true;
string_completed = true;
};
MessagePumpSyncContext.Run (async () => {
await wc.DownloadStringTaskAsync ("http://www.google.com/");
await wc.DownloadDataTaskAsync ("http://www.mono-project.com/");
}, () => data_completed && string_completed, 15000);
Assert.IsTrue (data_completed, "#1");
Assert.IsTrue (string_completed, "#2");
Assert.IsFalse (error, "#3");
}
public sealed class MessagePumpSyncContext : SynchronizationContext
{
private delegate void MyAction ();
private readonly Queue<MyAction> queue = new Queue<MyAction> ();
private readonly object sync = new object ();
private readonly Func<bool> completed;
private readonly int timeout;
private bool running = true;
MessagePumpSyncContext (Func<bool> completed, int timeout)
{
this.completed = completed;
this.timeout = timeout;
}
public override void Send (SendOrPostCallback d, object state)
{
throw new InvalidOperationException ();
}
public override void Post (SendOrPostCallback d, object state)
{
lock (sync) {
queue.Enqueue (() => d (state));
Monitor.Pulse (sync);
}
}
bool IsCompleted {
get {
if (running)
return false;
if (completed != null)
return completed ();
return true;
}
}
void RunMessagePump ()
{
while (running) {
MyAction action;
lock (sync) {
while (queue.Count == 0) {
if (IsCompleted)
return;
if (!Monitor.Wait (sync, timeout))
throw new TimeoutException ();
}
action = queue.Dequeue ();
}
action ();
}
}
public void Cancel ()
{
lock (sync) {
running = false;
Monitor.Pulse (sync);
}
}
public static void Run (Func<Task> action, Func<bool> completed, int timeout)
{
var old_ctx = SynchronizationContext.Current;
var ctx = new MessagePumpSyncContext (completed, timeout);
try {
SynchronizationContext.SetSynchronizationContext (ctx);
var thread_id = Thread.CurrentThread.ManagedThreadId;
var task = action ();
task.ContinueWith ((t) => {
ctx.running = false;
}, TaskScheduler.FromCurrentSynchronizationContext ());
ctx.RunMessagePump ();
if (task.IsFaulted)
throw task.Exception;
} finally {
SynchronizationContext.SetSynchronizationContext (old_ctx);
}
}
}
}
}