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Remove a few StringBuilder uses from TraceListener #49485

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Merged
stephentoub merged 1 commit into from
Mar 11, 2021
Merged

Remove a few StringBuilder uses from TraceListener #49485

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28 changes: 4 additions & 24 deletions src/libraries/System.Diagnostics.TraceSource/src/System/Diagnostics/TraceListener.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -200,17 +200,9 @@ public virtual void Fail(string? message)
/// </devdoc>
public virtual void Fail(string? message, string? detailMessage)
{
StringBuilder failMessage = new StringBuilder();
failMessage.Append(SR.TraceListenerFail);
failMessage.Append(' ');
failMessage.Append(message);
if (detailMessage != null)
{
failMessage.Append(' ');
failMessage.Append(detailMessage);
}

WriteLine(failMessage.ToString());
WriteLine(detailMessage is null ?
SR.TraceListenerFail + " " + message :
SR.TraceListenerFail + " " + message + " " + detailMessage);
}

/// <devdoc>
Expand Down Expand Up @@ -360,19 +352,7 @@ public virtual void TraceData(TraceEventCache? eventCache, string source, TraceE

WriteHeader(source, eventType, id);

StringBuilder sb = new StringBuilder();
if (data != null)
{
for (int i = 0; i < data.Length; i++)
{
if (i != 0)
sb.Append(", ");

if (data[i] != null)
sb.Append(data[i]!.ToString());
}
}
WriteLine(sb.ToString());
WriteLine(data != null ? string.Join(", ", data) : string.Empty);

WriteFooter(eventCache);
}
Expand Down