private void button1_Click(object sender, EventArgs e)
{
try
{
//var c = SearchEngine.GetCurrentEngines();
//SearchEngine.AddNewSearchEngine(new SearchEngine { Name = "google" });
t = new TaskThreadManager(10);
button1.Enabled = false;
listView1.Items.Clear();
// GetResults("Youtube", textBox1.Text, 3);
t.DoWork(() => GetResults("Google", textBox1.Text));
//t.DoWork(() => GetResults("Yahoo", textBox1.Text, 1));
//t.DoWork(() => GetResults("Bing", textBox1.Text, 2));
//t.DoWork(() => GetResults("Baidu", textBox1.Text, 3));
//t.DoWork(() => GetResults("Yandex", textBox1.Text));
// GetResults("yahoo", textBox1.Text, 0);
}
catch (Exception er)
{
Text = er.Message;
}
finally { Text = "Working.."; }
}
public void DoWork_TokenCanceled_WorkNeverCompleted()
{
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
TaskThreadManager uut = new TaskThreadManager(10, cancellationTokenSource);
int count = 0;
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
cancellationTokenSource.Cancel();
System.Threading.Thread.Sleep(250);
Assert.IsTrue(count < 5);
}
public void DoWork_TokenCanceled_WorkNeverCompleted()
{
var cancellationTokenSource = new CancellationTokenSource();
var uut = new TaskThreadManager(10, cancellationTokenSource);
var count = 0;
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
uut.DoWork(() => { System.Threading.Thread.Sleep(50); Interlocked.Increment(ref count); });
cancellationTokenSource.Cancel();
System.Threading.Thread.Sleep(600);
Assert.IsTrue(count < 10, "Completed all 10 tasks but should not have");
}