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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>A.3.聽How to do regression testing using Subversion</title><link rel="stylesheet" href="default.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="MPlayer - The Movie Player"><link rel="up" href="bugreports.html" title="Appendix聽A.聽How to report bugs"><link rel="prev" href="bugreports_fix.html" title="A.2.聽How to fix bugs"><link rel="next" href="bugreports_report.html" title="A.4.聽How to report bugs"><link rel="preface" href="howtoread.html" title="How to read this documentation"><link rel="chapter" href="intro.html" title="Chapter聽1.聽Introduction"><link rel="chapter" href="install.html" title="Chapter聽2.聽Installation"><link rel="chapter" href="usage.html" title="Chapter聽3.聽Usage"><link rel="chapter" href="cd-dvd.html" title="Chapter聽4.聽CD/DVD usage"><link rel="chapter" href="faq.html" title="Chapter聽5.聽Frequently Asked Questions"><link rel="chapter" href="containers.html" title="Chapter聽6.聽Containers"><link rel="chapter" href="codecs.html" title="Chapter聽7.聽Codecs"><link rel="chapter" href="video.html" title="Chapter聽8.聽Video output devices"><link rel="chapter" href="audio.html" title="Chapter聽9.聽Audio output devices"><link rel="chapter" href="tv.html" title="Chapter聽10.聽TV"><link rel="chapter" href="radio.html" title="Chapter聽11.聽Radio"><link rel="chapter" href="ports.html" title="Chapter聽12.聽Ports"><link rel="chapter" href="mencoder.html" title="Chapter聽13.聽Basic usage of MEncoder"><link rel="chapter" href="encoding-guide.html" title="Chapter聽14.聽Encoding with MEncoder"><link rel="appendix" href="bugreports.html" title="Appendix聽A.聽How to report bugs"><link rel="appendix" href="bugs.html" title="Appendix聽B.聽Known bugs"><link rel="appendix" href="skin.html" title="Appendix聽C.聽MPlayer skin format"><link rel="appendix" href="history.html" title="Appendix聽D.聽History"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">A.3.聽How to do regression testing using Subversion</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="bugreports_fix.html">Prev</a>聽</td><th width="60%" align="center">Appendix聽A.聽How to report bugs</th><td width="20%" align="right">聽<a accesskey="n" href="bugreports_report.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="bugreports_regression_test"></a>A.3.聽How to do regression testing using Subversion</h2></div></div></div><p>
A problem that can happen sometimes is 'it used to work before, now it
doesn't anymore...'.
Here is a step by step procedure to try to pinpoint when the problem
occurred. This is <span class="bold"><strong>not</strong></span> for casual users.
</p><p>
First, you'd need to fetch MPlayer's source tree from Subversion.
Instructions can be found in the
<a class="ulink" href="http://www.mplayerhq.hu/design7/dload.html#svn" target="_top">Subversion section of the download page</a>.
</p><p>
You will have now in the mplayer/ directory an image of the Subversion tree, on
the client side.
Now update this image to the date you want:
</p><pre class="screen">
cd mplayer/
svn update -r {"2004-08-23"}
</pre><p>
The date format is YYYY-MM-DD HH:MM:SS.
Using this date format ensure that you will be able to extract patches
according to the date at which they were committed, as in the
<a class="ulink" href="http://lists.mplayerhq.hu/pipermail/mplayer-cvslog/" target="_top">MPlayer-cvslog archive</a>.
</p><p>
Now proceed as for a normal update:
</p><pre class="screen">
./configure
make
</pre><p>
</p><p>
If any non-programmer reads this, the fastest method to get at the point
where the problem occurred is to use a binary search 鈥⌨️ 快捷键说明
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