242 lines
12 KiB
HTML
242 lines
12 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN" "http://www.w3.org/TR/REC-html40/frameset.dtd">
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<HTML>
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<HEAD>
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<META name="generator" content="mm2html (AT&T Research) 2010-09-10">
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<META name="keywords" content="regular expression pattern match regression test">
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<TITLE> ../re/testregex.mm mm document </TITLE>
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<META name="author" content="gsf">
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</HEAD>
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<BODY bgcolor=white link=slateblue vlink=teal >
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<TABLE border=0 align=center width=96%>
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<TBODY><TR><TD valign=top align=left>
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<!--INDEX--><!--/INDEX-->
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<B><FONT size=-1 face="verdana,arial,helvetica,geneva,sans-serif">
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<TABLE align=center cellpadding=2 border=4 bgcolor=lightgrey><TR>
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<TD><A href="testregex.html#Reference Implementations">Reference Implementations</A></TD>
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<TD><A href="testregex.html#Test Data Repository">Test Data Repository</A></TD>
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<TD><A href="testregex.html#Usage">Usage</A></TD>
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<TD><A href="testregex.html#Reference Implementation Notes">Reference Implementation Notes</A></TD>
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<TD><A href="testregex.html#testregex Notes">testregex Notes</A></TD>
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</TR></TABLE>
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</FONT></B>
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<P>
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<HR>
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<CENTER>
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<H3><CENTER><FONT color=red><FONT face=courier>AT&T Research regex(3) regression tests</FONT></FONT></CENTER></H3>
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<BR>Glenn Fowler <SMALL><<A href=mailto:gsf@research.att.com>gsf@research.att.com</A>></SMALL>
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<P><I>AT&T Research - Florham Park NJ</I>
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</CENTER>
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<P><HR><P>
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<A href="testregex.c">testregex.c 2004-05-31</A>
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is the latest source for the AT&T Research regression test
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harness for the
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<A href="http://www.opengroup.org/onlinepubs/007904975/functions/regcomp.html" target=_top>X/Open regex</A>
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pattern match interface.
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See
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<NOBR><A href="http://web.archive.org/~gsf/man/man1/testregex.html"><STRONG>testregex</STRONG></A>(1)</NOBR>
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for option and test input details.
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The source and test data posted here are license free.
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<P>
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<STRONG>testregex</STRONG>
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can:
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<UL type=square>
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<LI>
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verify stability for a particular implementation in the face of
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source code and/or compilation environment changes
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<LI>
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verify standard compliance for all implementations
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<LI>
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provide a basis for discussions on what
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<EM>compliance</EM>
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means
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</UL>
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<P>
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See
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<A href="re-interpretation.html">An Interpretation of the POSIX regex Standards</A>
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for an analysis of the POSIX-X/Open
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<STRONG>regex</STRONG>
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standards.
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<P>
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<P><HR><CENTER><FONT color=red><FONT face=courier><H3><A name="Reference Implementations">Reference Implementations</A></H3></FONT></FONT></CENTER>
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<STRONG>testregex</STRONG>
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is currently built against these reference implementations:
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<P></P><TABLE border=0 frame=void rules=none width=100%><TBODY><TR><TD>
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<TABLE align=center bgcolor=papayawhip border=0 bordercolor=white cellpadding=2 cellspacing=2 frame=void rules=none >
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<TBODY>
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<TR><TD align=right>NAME </TD><TD align=center> LABEL </TD><TD align=left> AUTHORS</TD></TR>
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<TR><TD align=right>
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AT&T ast </TD><TD align=center> <A href="http://www.research.att.com/sw/download/" target=_top>A</A> </TD><TD align=left> Glenn Fowler and Doug McIlroy</TD></TR>
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<TR><TD align=right>
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bsd </TD><TD align=center> <A href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-1.5.2/source/sets/src.tgz" target=_top>B</A> </TD><TD align=left> </TD></TR>
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<TR><TD align=right>
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Bell Labs </TD><TD align=center> <A href="http://www.bell-labs.com/" target=_top>D</A> </TD><TD align=left> Doug McIlroy</TD></TR>
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<TR><TD align=right>
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old gnu </TD><TD align=center> <A href="http://www.gnu.org" target=_top>G</A> </TD><TD align=left> </TD></TR>
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<TR><TD align=right>
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gnu </TD><TD align=center> <A href="http://www.gnu.org" target=_top>H</A> </TD><TD align=left> Isamu Hasegawa</TD></TR>
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<TR><TD align=right>
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irix </TD><TD align=center> <A href="http://www.sgi.com" target=_top>I</A> </TD><TD align=left> </TD></TR>
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<TR><TD align=right>
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boost </TD><TD align=center> <A href="http://www.boost.org/libs/regex/" target=_top>J</A> </TD><TD align=left> John Maddock</TD></TR>
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<TR><TD align=right>
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regex++ </TD><TD align=center> <A href="http://ourworld.compuserve.com/homepages/John_Maddock/regexpp.htm" target=_top>M</A> </TD><TD align=left> John Maddock</TD></TR>
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<TR><TD align=right>
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pcre perl compatible </TD><TD align=center> <A href="http://www.pcre.org/" target=_top>P</A> </TD><TD align=left> Philip Hazel</TD></TR>
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<TR><TD align=right>
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rx </TD><TD align=center> <A href="ftp://regexps.com/pub/src/hackerlab/" target=_top>R</A> </TD><TD align=left> Tom Lord</TD></TR>
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<TR><TD align=right>
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spencer </TD><TD align=center> <A href="http://arglist.com/regex/rxspencer-alpha3.8.g2.tar.gz" target=_top>S</A> </TD><TD align=left> Henry Spencer</TD></TR>
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<TR><TD align=right>
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libtre </TD><TD align=center> <A href="http://kouli.iki.fi/~vlaurika/libtre/" target=_top>T</A> </TD><TD align=left> Ville Laurikari</TD></TR>
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<TR><TD align=right>
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unix caldera </TD><TD align=center> <A href="http://unixtools.sourceforge.net/" target=_top>U</A> </TD><TD align=left> </TD></TR>
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</TBODY></TABLE></TD></TR></TBODY></TABLE>
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<P>
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<P><HR><CENTER><FONT color=red><FONT face=courier><H3><A name="Test Data Repository">Test Data Repository</A></H3></FONT></FONT></CENTER>
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<P></P><TABLE border=0 frame=void rules=none width=100%><TBODY><TR><TD>
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<TABLE align=center bgcolor=papayawhip border=0 bordercolor=white cellpadding=2 cellspacing=2 frame=void rules=none >
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<TBODY>
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<TR><TD align=right>
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<A href="basic.dat">basic.dat</A> </TD><TD align=left> basic regex(3) -- all implementations should pass these</TD></TR>
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<TR><TD align=right>
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<A href="categorize.dat">categorize.dat</A> </TD><TD align=left> <A href="re-categorize.html">implementation categorization</A></TD></TR>
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<TR><TD align=right>
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<A href="nullsubexpr.dat">nullsubexpr.dat</A> </TD><TD align=left> <A href="re-nullsubexpr.html">null (...)* tests</A></TD></TR>
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<TR><TD align=right>
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<A href="leftassoc.dat">leftassoc.dat</A> </TD><TD align=left> <A href="re-assoc.html">left associative catenation implementation must pass these</A></TD></TR>
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<TR><TD align=right>
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<A href="rightassoc.dat">rightassoc.dat</A> </TD><TD align=left> <A href="re-assoc.html">right associative catenation implementation must pass these</A></TD></TR>
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<TR><TD align=right>
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<A href="forcedassoc.dat">forcedassoc.dat</A> </TD><TD align=left> <A href="re-assoc.html">subexpression grouping to force associativity</A></TD></TR>
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<TR><TD align=right>
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<A href="repetition.dat">repetition.dat</A> </TD><TD align=left> <A href="re-repetition.html">explicit vs. implicit repetitions</A></TD></TR>
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</TBODY></TABLE></TD></TR></TBODY></TABLE>
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<P>
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<P><HR><CENTER><FONT color=red><FONT face=courier><H3><A name="Usage">Usage</A></H3></FONT></FONT></CENTER>
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To run the
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<STRONG>basic.dat</STRONG>
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tests:
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<DIV style="padding-left:16px;text-indent:0px">
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<PRE>
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testregex < basic.dat
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</DIV>
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</PRE>
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<P>
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If the local implementation hangs or dumps on some tests then run with
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the <STRONG>-c</STRONG> option.
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The <STRONG>-h</STRONG> option lists the test data format details.
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The test data files exercise all features;
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the test harness detects and ignores features not
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supported by the local implementation.
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<P>
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<P><HR><CENTER><FONT color=red><FONT face=courier><H3><A name="Reference Implementation Notes">Reference Implementation Notes</A></H3></FONT></FONT></CENTER>
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<P>
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<H4><A name="D: diet libc">D: diet libc</A></H4>
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The
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<A href="http://www.fefe.de/dietlibc/" target=_top>diet libc</A>
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implementation is currently omitted because it fails all but one
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<STRONG>basic.dat</STRONG>
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test.
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<P>
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<H4><A name="P: PCRE">P: PCRE</A></H4>
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The
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<STRONG>P</STRONG>
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implementation emulates
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<NOBR><A href="http://web.archive.org/~gsf/man/man1/perl.html"><STRONG>perl</STRONG></A>(1)</NOBR>
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and is not X/Open compliant by design.
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The main differences are:
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<UL type=square>
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<LI>
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<STRONG>P</STRONG>
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<EM>leftmost-first</EM>
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matching as opposed to the X/Open
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<EM>leftmost-longest</EM>.
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<LI>
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<STRONG>REG_EXTENDED</STRONG>
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patterns only.
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</UL>
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<P>
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However, the
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<STRONG>P</STRONG>
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package regression tests, and
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<NOBR><A href="http://web.archive.org/~gsf/man/man1/perl.html"><STRONG>perl</STRONG></A>(1)</NOBR>
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features creeping into other implementations,
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make it reasonable to include here.
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<P>
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<P><HR><CENTER><FONT color=red><FONT face=courier><H3><A name="testregex Notes">testregex Notes</A></H3></FONT></FONT></CENTER>
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Extensions to the standard terminology are derived from the AT&T
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implementation, unified under
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<STRONG><regex.h></STRONG>
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with these modes:
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<P></P><TABLE border=0 frame=void rules=none width=100%><TBODY><TR><TD>
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<TABLE align=center bgcolor=papayawhip border=1 bordercolor=white cellpadding=2 cellspacing=2 frame=box rules=all >
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<TBODY>
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<TR><TD align=center>MODE </TD><TD align=left> FLAGS </TD><TD align=left> DESCRIPTION</TD></TR>
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<TR><TD align=right>
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BRE </TD><TD align=left> 0 </TD><TD align=left> basic RE</TD></TR>
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<TR><TD align=right>
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ERE </TD><TD align=left> REG_EXTENDED </TD><TD align=left> egrep RE with perl (...) extensions</TD></TR>
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<TR><TD align=right>
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ARE </TD><TD align=left> REG_AUGMENTED </TD><TD align=left> ERE with ! negation, <> word boundaries</TD></TR>
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<TR><TD align=right>
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SRE </TD><TD align=left> REG_SHELL </TD><TD align=left> sh patterns</TD></TR>
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<TR><TD align=right>
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KRE </TD><TD align=left> REG_SHELL|REG_AUGMENTED </TD><TD align=left> ksh93 patterns: ! @ ( | & ) { }</TD></TR>
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<TR><TD align=right>
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LRE </TD><TD align=left> REG_LITERAL </TD><TD align=left> fgrep patterns</TD></TR>
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</TBODY></TABLE></TD></TR></TBODY></TABLE>
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<P>
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and a few flags to handle
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<NOBR><A href="http://web.archive.org/~gsf/man/man3/fnmatch.html"><STRONG>fnmatch</STRONG></A>(3):</NOBR>
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<P></P><TABLE border=0 frame=void rules=none width=100%><TBODY><TR><TD>
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<TABLE align=center bgcolor=papayawhip border=1 bordercolor=white cellpadding=2 cellspacing=2 frame=box rules=all >
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<TBODY>
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<TR><TD align=left>regex FLAG </TD><TD align=left> fnmatch FLAG</TD></TR>
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<TR><TD align=left>
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REG_SHELL_ESCAPED </TD><TD align=left> FNM_NOESCAPE</TD></TR>
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<TR><TD align=left>
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REG_SHELL_PATH </TD><TD align=left> FNM_PATHNAME</TD></TR>
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<TR><TD align=left>
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REG_SHELL_DOT </TD><TD align=left> FNM_PERIOD</TD></TR>
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</TBODY></TABLE></TD></TR></TBODY></TABLE>
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<P>
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The original
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<TT>testregex.c</TT>
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was done by Doug McIlroy at Bell Labs.
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The current implementation is maintained by Glenn Fowler <SMALL><<A href=mailto:gsf@research.att.com>gsf@research.att.com</A>></SMALL>.
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<P>
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<HR>
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<TABLE border=0 align=center width=96%>
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<TR>
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<TD align=left></TD>
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<TD align=center></TD>
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<TD align=right><A href="mailto:gsf@research.att.com?subject= ../re/testregex.mm mm document">Glenn Fowler</A></TD>
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</TR>
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<TR>
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<TD align=left></TD>
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<TD align=center></TD>
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<TD align=right>Information and Software Systems Research</TD>
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</TR>
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<TR>
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<TD align=left></TD>
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<TD align=center></TD>
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<TD align=right>AT&T Labs Research</TD>
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</TR>
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<TR>
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<TD align=left></TD>
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<TD align=center></TD>
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<TD align=right>Florham Park NJ</TD>
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</TR>
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<TR>
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<TD align=left></TD>
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<TD align=center></TD>
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<TD align=right>March 22, 2011</TD>
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</TR>
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</TABLE>
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<P>
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</TD></TR></TBODY></TABLE>
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</BODY>
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</HTML>
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