Check warnings in servers error log as part of test case

mysql-test/lib/mtr_match.pm

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+# -*- cperl -*-
+# Copyright (C) 2004-2006 MySQL AB
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+# This is a library file used by the Perl version of mysql-test-run,
+# and is part of the translation of the Bourne shell script with the
+# same name.
+
+package mtr_match;
+use strict;
+
+use base qw(Exporter);
+our @EXPORT= qw(mtr_match_prefix
+                mtr_match_extension
+                mtr_match_substring);
+
+#
+# Match a prefix and return what is after the prefix
+#
+sub mtr_match_prefix ($$) {
+  my $string= shift;
+  my $prefix= shift;
+
+  if ( $string =~ /^\Q$prefix\E(.*)$/ ) # strncmp
+  {
+    return $1;
+  }
+  else
+  {
+    return undef;		# NULL
+  }
+}
+
+
+#
+# Match extension and return the name without extension
+#
+sub mtr_match_extension ($$) {
+  my $file= shift;
+  my $ext=  shift;
+
+  if ( $file =~ /^(.*)\.\Q$ext\E$/ ) # strchr+strcmp or something
+  {
+    return $1;
+  }
+  else
+  {
+    return undef;                       # NULL
+  }
+}
+
+
+#
+# Match a substring anywere in a string
+#
+sub mtr_match_substring ($$) {
+  my $string= shift;
+  my $substring= shift;
+
+  if ( $string =~ /(.*)\Q$substring\E(.*)$/ ) # strncmp
+  {
+    return $1;
+  }
+  else
+  {
+    return undef;		# NULL
+  }
+}
+
+
+sub mtr_match_any_exact ($$) {
+  my $string= shift;
+  my $mlist=  shift;
+
+  foreach my $m (@$mlist)
+  {
+    if ( $string eq $m )
+    {
+      return 1;
+    }
+  }
+  return 0;
+}
+
+1;