public override void Dispose()
{
base.Dispose();
foreach (var childListener in m_childListeners)
{
childListener.Dispose();
}
TestEventListenerBase existingListener = Interlocked.CompareExchange(ref s_currentTestListener, null, comparand: this);
AssertTrue(existingListener == this, "TestEventListener should not be disposed after a new one has been registered (concurrent tests?)");
GC.SuppressFinalize(this);
}
/// <summary>
/// Creates an instance attached to a particular named test.
/// </summary>
/// <param name="eventSource">
/// The event source to listen to.
/// </param>
/// <param name="fullyQualifiedTestName">
/// Name of the owning test. Used for diagnostics when these listeners leak (not disposed after a test execution).
/// </param>
/// <param name="captureAllDiagnosticMessages">
/// If true, all messages tagged with Diagnostics are captured (rather than needing to be enabled per-task).
/// </param>
/// <param name="logAction">
/// Action to perform when logging a string. This allows test frameworks to hook into their own logging.
/// Writes to the console if unspecified
/// </param>
/// <param name="eventMask">event mask for controlling which events are enabled/disabled</param>
protected TestEventListenerBase(Events eventSource, string fullyQualifiedTestName, bool captureAllDiagnosticMessages = true, Action <string> logAction = null, EventMask eventMask = null)
: base(eventSource, null, EventLevel.Verbose, captureAllDiagnosticMessages: captureAllDiagnosticMessages, listenDiagnosticMessages: true, eventMask: eventMask)
{
Contract.Requires(eventSource != null);
Contract.Requires(!string.IsNullOrEmpty(fullyQualifiedTestName));
m_owningTestFullyQualifiedName = fullyQualifiedTestName;
m_logAction = logAction;
TestEventListenerBase existingListener = Interlocked.Exchange(ref s_currentTestListener, this);
if (existingListener != null)
{
Interlocked.CompareExchange(ref s_currentTestListener, null, comparand: this);
#pragma warning disable CA2214 // Do not call overridable methods in constructors
AssertTrue(
false,
"A TestEventListener for {0} was not disposed upon completion of the test. This can cause repeated log messages and impact test performance.",
existingListener.m_owningTestFullyQualifiedName);
#pragma warning restore CA2214 // Do not call overridable methods in constructors
}
}