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  • Committer: jnewkirk
  • Date: 2002-07-10 20:00:13 UTC
  • Revision ID: vcs-imports@canonical.com-20020710200013-j8us5mbi0usp7p02
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src/NUnitFramework/core/StackTraceFilter.cs
 
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//
 
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// Copyright (C) 2002. James W. Newkirk, Michael C. Two, Alexei A. Vorontsov. All Rights Reserved.
 
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//
 
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namespace Nunit.Core
 
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{
 
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        using System;
 
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        using System.IO;
 
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        /// <summary>
 
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        /// Summary description for StackTraceFilter.
 
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        /// </summary>
 
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        public class StackTraceFilter
 
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        {
 
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                public static string Filter(string stack) 
 
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                {
 
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                        if(stack == null) return null;
 
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                        StringWriter sw = new StringWriter();
 
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                        StringReader sr = new StringReader(stack);
 
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                        try 
 
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                        {
 
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                                string line;
 
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                                while ((line = sr.ReadLine()) != null) 
 
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                                {
 
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                                        if (!FilterLine(line))
 
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                                                sw.WriteLine(line);
 
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                                }
 
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                        } 
 
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                        catch (Exception) 
 
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                        {
 
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                                return stack;
 
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                        }
 
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                        return sw.ToString();
 
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                }
 
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                static bool FilterLine(string line) 
 
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                {
 
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                        string[] patterns = new string[]
 
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                        {
 
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                                "Nunit.Core.TestCase",
 
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                                "Nunit.Core.ExpectedExceptionTestCase",
 
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                                "Nunit.Core.TemplateTestCase",
 
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                                "Nunit.Core.TestResult",
 
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                                "Nunit.Core.TestSuite",
 
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                                "Nunit.Framework.Assertion" 
 
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                        };
 
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                        for (int i = 0; i < patterns.Length; i++) 
 
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                        {
 
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                                if (line.IndexOf(patterns[i]) > 0)
 
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                                        return true;
 
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                        }
 
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                        return false;
 
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                }
 
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        }
 
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}