public void BackgroundWorker_RunWorkerAsync_ReportsProgress()
{
var threadid = Thread.CurrentThread.ManagedThreadId;
using (UnitTestContext context = GetContext())
{
int numTimesProgressCalled = 0;
BackgroundWorker target = new BackgroundWorker();
target.DoWork += (o, e) =>
{
// report progress changed 10 times
for (int i = 1; i < 11; i++)
{
target.ReportProgress(i * 10);
}
e.Result = new object();
};
target.WorkerReportsProgress = true;
target.ProgressChanged += (o, e) =>
{
numTimesProgressCalled++;
context.Assert.IsTrue(threadid == Thread.CurrentThread.ManagedThreadId);
};
target.RunWorkerCompleted += (o, e) =>
{
context.Assert.IsTrue(threadid == Thread.CurrentThread.ManagedThreadId);
context.Assert.IsNull(e.Error);
context.Assert.IsTrue(numTimesProgressCalled == 10, "ReportProgress has been called 10 times");
context.Assert.Success();
};
target.RunWorkerAsync(null);
context.Complete();
}
}
public void BackgroundWorker_DoWork_ThrowsInvalidOperationExcpetionWhenWorkerReportsProgressIsFalse()
{
UnitTestContext context = GetContext();
int numTimesProgressCalled = 0;
BackgroundWorker target = new BackgroundWorker();
target.DoWork += (o, e) =>
{
// report progress changed 10 times
for (int i = 1; i < 11; i++)
{
target.ReportProgress(i * 10);
}
};
target.WorkerReportsProgress = false;
target.ProgressChanged += (o, e) =>
{
numTimesProgressCalled++;
};
target.RunWorkerCompleted += (o, e) =>
{
// target does not support ReportProgress we shold get a System.InvalidOperationException from DoWork
context.Assert.IsTrue(e.Error is System.InvalidOperationException);
context.Assert.Success();
};
target.RunWorkerAsync(null);
context.Complete();
}