public void BeginningTheScopeAddsTheListenerToTheSource_EndingTheScopeRemovesTheListenerFromTheSource()
{
CheckThatSourceDoesNotContainTheListener();
IDisposable defaultScope = DataBindingTraceListener.BeginScope();
CheckThatSourceContainsTheListener();
IDisposable customScope = DataBindingTraceListener.BeginScope(Handle);
CheckThatSourceContainsTheListener();
customScope.Dispose();
CheckThatSourceContainsTheListener();
defaultScope.Dispose();
CheckThatSourceDoesNotContainTheListener();
public void MessageIsBuiltOnFlushAndIsBasedOnDataPassedViaTraceEvent()
{
string?actualMessage = null;
using TraceListener traceListener = new DataBindingTraceListener(m => actualMessage = m);
string header = "Source Verbose: 1 : ";
string expectedMessage = header + "Format-Argument0-Argument1" + Environment.NewLine;
traceListener.TraceEvent(null, "Source", TraceEventType.Verbose, 1, "Format-{0}-{1}", "Argument0", "Argument1");
Assert.Null(actualMessage);
traceListener.Flush();
Assert.Equal(expectedMessage, actualMessage);
}
public void TraceEventOnSourceCallsTraceEventOfListener_WhichCallsWriteViaWriteHeaderAndWriteLineOfListener()
{
string?actualMessage = null;
using (DataBindingTraceListener.BeginScope(m => actualMessage = m))
{
string header = "System.Windows.Data Error: 2 : ";
string expectedMessage = header + "Format" + Environment.NewLine;
PresentationTraceSources.DataBindingSource.TraceEvent(TraceEventType.Error, 2, "Format", Array.Empty <object>());
Assert.Null(actualMessage);
PresentationTraceSources.DataBindingSource.Flush();
Assert.Equal(expectedMessage, actualMessage);
}
}
public void CreateWithName()
{
using TraceListener traceListener = new DataBindingTraceListener(_ => { });
Assert.Equal("DataBindingTraceListener", traceListener.Name);
}
