Testsuite: support platform variance in debug output

[exim.git] / test / runtest

diff --git a/test/runtest b/test/runtest
index b2178497d99958834902b7e3f8fb1280e5071f62..94ecd69440f71c5c99c3753b194259dbb65545ab 100755 (executable)
--- a/test/runtest
+++ b/test/runtest
@@ -16,9 +16,9 @@
 ###############################################################################
 
 #use strict;
 ###############################################################################
 
 #use strict;

-use 5.010;
-use feature 'state';   # included in 5.010
+use v5.10.1;

 use warnings;
 use warnings;

+use if $^V >= v5.19.11, experimental => 'smartmatch';

 
 use Errno;
 use FileHandle;
 
 use Errno;
 use FileHandle;


@@ -26,12 +26,16 @@ use Socket;
 use Time::Local;
 use Cwd;
 use File::Basename;
 use Time::Local;
 use Cwd;
 use File::Basename;

+use Pod::Usage;
+use Getopt::Long;

 use FindBin qw'$RealBin';
 
 use lib "$RealBin/lib";
 use Exim::Runtest;
 use FindBin qw'$RealBin';
 
 use lib "$RealBin/lib";
 use Exim::Runtest;

+use Exim::Utils qw(uniq numerically);

 
 

-use if $ENV{DEBUG} && $ENV{DEBUG} =~ /\bruntest\b/ => ('Smart::Comments' => '####');
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Smart::Comments' => '####';
+use if $ENV{DEBUG} && scalar($ENV{DEBUG} =~ /\bruntest\b/) => 'Data::Dumper';

 
 use constant TEST_TOP => 8999;
 use constant TEST_SPECIAL_TOP => 9999;
 
 use constant TEST_TOP => 8999;
 use constant TEST_SPECIAL_TOP => 9999;


@@ -71,9 +75,6 @@ my $have_ipv4 = 1;
 my $have_ipv6 = 1;
 my $have_largefiles = 0;
 
 my $have_ipv6 = 1;
 my $have_largefiles = 0;
 

-my $test_start = 1;
-my $test_end = TEST_TOP;
-

 my @test_list = ();
 
 
 my @test_list = ();
 
 


@@ -486,9 +487,13 @@ RESET_AFTER_EXTRA_LINE_READ:
     /Tue, 2 Mar 1999 09:44:33 +0000/gx;
 
   # Date/time in logs and in one instance of a filter test
     /Tue, 2 Mar 1999 09:44:33 +0000/gx;
 
   # Date/time in logs and in one instance of a filter test

-  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?/1999-03-02 09:44:33/gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d(\s[+-]\d\d\d\d)?\s/1999-03-02 09:44:33 /gx;
+  s/^\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\.\d{3}(\s[+-]\d\d\d\d)?\s/2017-07-30 18:51:05.712 /gx;

   s/^Logwrite\s"\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Logwrite "1999-03-02 09:44:33/gx;
 
   s/^Logwrite\s"\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Logwrite "1999-03-02 09:44:33/gx;
 

+  s/((D|[QD]T)=)\d+s/$1qqs/g;
+  s/((D|[QD]T)=)\d\.\d{3}s/$1q.qqqs/g;
+

   # Date/time in message separators
   s/(?:[A-Z][a-z]{2}\s){2}\d\d\s\d\d:\d\d:\d\d\s\d\d\d\d
     /Tue Mar 02 09:44:33 1999/gx;
   # Date/time in message separators
   s/(?:[A-Z][a-z]{2}\s){2}\d\d\s\d\d:\d\d:\d\d\s\d\d\d\d
     /Tue Mar 02 09:44:33 1999/gx;


@@ -516,9 +521,6 @@ RESET_AFTER_EXTRA_LINE_READ:
   # Date/time in exim -bV output
   s/\d\d-[A-Z][a-z]{2}-\d{4}\s\d\d:\d\d:\d\d/07-Mar-2000 12:21:52/g;
 
   # Date/time in exim -bV output
   s/\d\d-[A-Z][a-z]{2}-\d{4}\s\d\d:\d\d:\d\d/07-Mar-2000 12:21:52/g;
 

-  # Time on queue tolerance
-  s/(QT|D)=1s/$1=0s/;
-

   # Eximstats heading
   s/Exim\sstatistics\sfrom\s\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\sto\s
     \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;
   # Eximstats heading
   s/Exim\sstatistics\sfrom\s\d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d\sto\s
     \d{4}-\d\d-\d\d\s\d\d:\d\d:\d\d/Exim statistics from <time> to <time>/x;


@@ -901,7 +903,8 @@ RESET_AFTER_EXTRA_LINE_READ:
     next if /^SSL info:/;
     next if /SSL verify error: depth=0 error=certificate not trusted/;
     s/SSL3_READ_BYTES/ssl3_read_bytes/i;
     next if /^SSL info:/;
     next if /SSL verify error: depth=0 error=certificate not trusted/;
     s/SSL3_READ_BYTES/ssl3_read_bytes/i;

-    s/^\d+:error:\d+(:SSL routines:ssl3_read_bytes:[^:]+:).*(:SSL alert number \d\d)$/pppp:error:dddddddd$1\[...\]$2/;
+    s/CONNECT_CR_FINISHED/ssl3_read_bytes/i;
+    s/^\d+:error:\d+(?:E\d+)?(:SSL routines:ssl3_read_bytes:[^:]+:).*(:SSL alert number \d\d)$/pppp:error:dddddddd$1\[...\]$2/;

 
     # gnutls version variances
     next if /^Error in the pull function./;
 
     # gnutls version variances
     next if /^Error in the pull function./;


@@ -909,6 +912,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     # optional IDN2 variant conversions.  Accept either IDN1 or IDN2
     s/conversion  strasse.de/conversion  xn--strae-oqa.de/;
     s/conversion: german.xn--strae-oqa.de/conversion: german.straße.de/;
     # optional IDN2 variant conversions.  Accept either IDN1 or IDN2
     s/conversion  strasse.de/conversion  xn--strae-oqa.de/;
     s/conversion: german.xn--strae-oqa.de/conversion: german.straße.de/;

+
+    # subsecond timstamp info in reported header-files
+    s/^(-received_time_usec \.)\d{6}$/$1uuuuuu/;

     }
 
   # ======== stderr ========
     }
 
   # ======== stderr ========


@@ -919,15 +925,19 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     s/^Exim version .*/Exim version x.yz ..../;
 
 
     s/^Exim version .*/Exim version x.yz ..../;
 

-    # Debugging lines for Exim terminations
+    # Debugging lines for Exim terminations and process-generation

 
     s/(?<=^>>>>>>>>>>>>>>>> Exim pid=)\d+(?= terminating)/pppp/;
 
     s/(?<=^>>>>>>>>>>>>>>>> Exim pid=)\d+(?= terminating)/pppp/;

+    s/^(proxy-proc \w{5}-pid) \d+$/$1 pppp/;

 
     # IP address lookups use gethostbyname() when IPv6 is not supported,
     # and gethostbyname2() or getipnodebyname() when it is.
 
     s/\b(gethostbyname2?|\bgetipnodebyname)(\(af=inet\))?/get[host|ipnode]byname[2]/;
 
 
     # IP address lookups use gethostbyname() when IPv6 is not supported,
     # and gethostbyname2() or getipnodebyname() when it is.
 
     s/\b(gethostbyname2?|\bgetipnodebyname)(\(af=inet\))?/get[host|ipnode]byname[2]/;
 

+    # we don't care what TZ enviroment the testhost was running
+    next if /^Reset TZ to/;
+

     # drop gnutls version strings
     next if /GnuTLS compile-time version: \d+[\.\d]+$/;
     next if /GnuTLS runtime version: \d+[\.\d]+$/;
     # drop gnutls version strings
     next if /GnuTLS compile-time version: \d+[\.\d]+$/;
     next if /GnuTLS runtime version: \d+[\.\d]+$/;


@@ -1076,9 +1086,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     if (s/(with \$received_protocol)\}\} \$\{if def:tls_cipher \{\(\$tls_cipher\)\n$/$1/)
       {
       $_ .= <IN>;
     if (s/(with \$received_protocol)\}\} \$\{if def:tls_cipher \{\(\$tls_cipher\)\n$/$1/)
       {
       $_ .= <IN>;

-      s/\s+\}\}(?=\(Exim )/\}\} /;
+      s/[\s╎]+\}\}(?=\(Exim )/\}\} /;

       }
       }

-    if (/^  condition: def:tls_cipher$/)
+    if (/^ ├──condition: def:tls_cipher$/)

       {
       <IN>; <IN>; <IN>; <IN>; <IN>; <IN>;
       <IN>; <IN>; <IN>; <IN>; <IN>; next;
       {
       <IN>; <IN>; <IN>; <IN>; <IN>; <IN>;
       <IN>; <IN>; <IN>; <IN>; <IN>; next;


@@ -1087,6 +1097,9 @@ RESET_AFTER_EXTRA_LINE_READ:
     # Not all platforms build with DKIM enabled
     next if /^PDKIM >> Body data for hash, canonicalized/;
 
     # Not all platforms build with DKIM enabled
     next if /^PDKIM >> Body data for hash, canonicalized/;
 

+    # Not all platforms have sendfile support
+    next if /^cannot use sendfile for body: no support$/;
+

     #  Parts of DKIM-specific debug output depend on the time/date
     next if /^date:\w+,\{SP\}/;
     next if /^PDKIM \[[^[]+\] (Header hash|b) computed:/;
     #  Parts of DKIM-specific debug output depend on the time/date
     next if /^date:\w+,\{SP\}/;
     next if /^PDKIM \[[^[]+\] (Header hash|b) computed:/;


@@ -1102,6 +1115,10 @@ RESET_AFTER_EXTRA_LINE_READ:
 
     next if /^(ppppp )?setsockopt FASTOPEN: Protocol not available$/;
 
 
     next if /^(ppppp )?setsockopt FASTOPEN: Protocol not available$/;
 

+    # Specific pointer values reported for DB operations change from run to run
+    s/^(returned from EXIM_DBOPEN: )(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+    s/^(EXIM_DBCLOSE.)(0x)?[0-9a-f]+/${1}0xAAAAAAAA/;
+

     # When Exim is checking the size of directories for maildir, it uses
     # the check_dir_size() function to scan directories. Of course, the order
     # of the files that are obtained using readdir() varies from system to
     # When Exim is checking the size of directories for maildir, it uses
     # the check_dir_size() function to scan directories. Of course, the order
     # of the files that are obtained using readdir() varies from system to


@@ -1153,6 +1170,13 @@ RESET_AFTER_EXTRA_LINE_READ:
     {
     # Berkeley DB version differences
     next if / Berkeley DB error: /;
     {
     # Berkeley DB version differences
     next if / Berkeley DB error: /;

+
+    # CHUNKING: exact sizes depend on hostnames in headers
+    s/(=>.* K C="250- \d)\d+ (byte chunk, total \d)\d+/$1nn $2nn/;
+
+    # openssl version variances
+    s/(TLS error on connection .*: error:)[0-9A-F]{8}(:system library):func\(4095\):(No such file or
+ directory)$/$1xxxxxxxx$2:fopen:$3/;

     }
 
   # ======== All files other than stderr ========
     }
 
   # ======== All files other than stderr ========


@@ -1512,13 +1536,14 @@ $munges =
 
     'optional_config' =>
     { 'stdout' => '/^(
 
     'optional_config' =>
     { 'stdout' => '/^(

-                  dkim_(canon|domain|private_key|selector|sign_headers|strict)
+                  dkim_(canon|domain|private_key|selector|sign_headers|strict|hash|identity)

                   |gnutls_require_(kx|mac|protocols)
                   |hosts_(requ(est|ire)|try)_(dane|ocsp)
                   |gnutls_require_(kx|mac|protocols)
                   |hosts_(requ(est|ire)|try)_(dane|ocsp)

-                  |hosts_(avoid|nopass|require|verify_avoid)_tls
+                  |hosts_(avoid|nopass|noproxy|require|verify_avoid)_tls

                   |socks_proxy
                   |tls_[^ ]*
                   |socks_proxy
                   |tls_[^ ]*

-                  )($|[ ]=)/x' },
+                  )($|[ ]=)/x'
+    },

 
     'sys_bindir' =>
     { 'mainlog' => 's%/(usr/(local/)?)?bin/%SYSBINDIR/%' },
 
     'sys_bindir' =>
     { 'mainlog' => 's%/(usr/(local/)?)?bin/%SYSBINDIR/%' },


@@ -1534,6 +1559,12 @@ $munges =
 
     'timeout_errno' =>         # actual errno differs Solaris vs. Linux
     { 'mainlog' => 's/(host deferral .* errno) <\d+> /$1 <EEE> /' },
 
     'timeout_errno' =>         # actual errno differs Solaris vs. Linux
     { 'mainlog' => 's/(host deferral .* errno) <\d+> /$1 <EEE> /' },

+
+    'peer_terminated_conn' =>  # actual error differs FreedBSD vs. Linux
+    { 'stderr' => 's/^(  SMTP\()Connection reset by peer(\)<<)$/$1closed$2/' },
+
+    'perl_variants' =>         # result of hash-in-scalar-context changed from bucket-fill to keycount
+    { 'stdout' => 's%^> X/X$%> X%' },

   };
 
 
   };
 
 


@@ -2502,22 +2533,6 @@ $more = 'more' if system('which less >/dev/null 2>&1') != 0;
 
 
 
 
 
 

-##################################################
-#        Check for sudo access to root           #
-##################################################
-
-print "You need to have sudo access to root to run these tests. Checking ...\n";
-if (system('sudo true >/dev/null') != 0)
-  {
-  die "** Test for sudo failed: testing abandoned.\n";
-  }
-else
-  {
-  print "Test for sudo OK\n";
-  }
-
-
-

 ##################################################
 #      See if an Exim binary has been given      #
 ##################################################
 ##################################################
 #      See if an Exim binary has been given      #
 ##################################################


@@ -2526,10 +2541,6 @@ else
 # as the path to the binary. If the first argument does not start with a
 # '/' but exists in the file system, it's assumed to be the Exim binary.
 
 # as the path to the binary. If the first argument does not start with a
 # '/' but exists in the file system, it's assumed to be the Exim binary.
 

-($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
-print "Exim binary is $parm_exim\n" if $parm_exim ne '';
-
-

 
 ##################################################
 # Sort out options and which tests are to be run #
 
 ##################################################
 # Sort out options and which tests are to be run #


@@ -2539,38 +2550,58 @@ print "Exim binary is $parm_exim\n" if $parm_exim ne '';
 # options are passed on to Exim calls within the tests. Typically, this is used
 # to turn on Exim debugging while setting up a test.
 
 # options are passed on to Exim calls within the tests. Typically, this is used
 # to turn on Exim debugging while setting up a test.
 

-while (@ARGV > 0 && $ARGV[0] =~ /^-/)
-  {
-  my($arg) = shift @ARGV;
-  if ($optargs eq '')
-    {
-    if ($arg eq "-DEBUG")  { $debug = 1; $cr = "\n"; next; }
-    if ($arg eq "-DIFF")   { $cf = "diff -u"; next; }
-    if ($arg eq "-CONTINUE"){$force_continue = 1;
-                             $more = "cat";
-                             next; }
-    if ($arg eq "-UPDATE") { $force_update = 1; next; }
-    if ($arg eq "-NOIPV4") { $have_ipv4 = 0; next; }
-    if ($arg eq "-NOIPV6") { $have_ipv6 = 0; next; }
-    if ($arg eq "-KEEP")   { $save_output = 1; next; }
-    if ($arg eq "-SLOW")   { $slow = 1; next; }
-    if ($arg eq "-VALGRIND")   { $valgrind = 1; next; }
-    if ($arg =~ /^-FLAVOU?R$/) { $flavour = shift; next; }
-    }
-  $optargs .= " $arg";
-  }
+Getopt::Long::Configure qw(no_getopt_compat);
+GetOptions(
+    'debug'    => sub { $debug          = 1; $cr   = "\n" },
+    'diff'     => sub { $cf             = 'diff -u' },
+    'continue' => sub { $force_continue = 1; $more = 'cat' },
+    'update'   => \$force_update,
+    'ipv4!'    => \$have_ipv4,
+    'ipv6!'    => \$have_ipv6,
+    'keep'     => \$save_output,
+    'slow'     => \$slow,
+    'valgrind' => \$valgrind,
+    'range=s{2}'       => \my @range_wanted,
+    'test=i@'          => \my @tests_wanted,
+    'flavor|flavour=s' => $flavour,
+    'help'             => sub { pod2usage(-exit => 0) },
+    'man'              => sub {
+        pod2usage(
+            -exit      => 0,
+            -verbose   => 2,
+            -noperldoc => system('perldoc -V 2>/dev/null 1>&2')
+        );
+    },
+) or pod2usage;
+
+($parm_exim, @ARGV) = Exim::Runtest::exim_binary(@ARGV);
+print "Exim binary is `$parm_exim'\n" if defined $parm_exim;
+

 
 

-# Any subsequent arguments are a range of test numbers.
+my @wanted = sort numerically uniq
+  @tests_wanted ? @tests_wanted : (),
+  @range_wanted ? $range_wanted[0] .. $range_wanted[1] : (),
+  @ARGV ? @ARGV == 1 ? $ARGV[0] :
+          $ARGV[1] eq '+' ? $ARGV[0]..($ARGV[0] >= 9000 ? TEST_SPECIAL_TOP : TEST_TOP) :
+          0+$ARGV[0]..0+$ARGV[1]    # add 0 to cope with test numbers starting with zero
+        : ();
+@wanted = 1..TEST_TOP if not @wanted;

 
 

-if (@ARGV)
+##################################################
+#        Check for sudo access to root           #
+##################################################
+
+print "You need to have sudo access to root to run these tests. Checking ...\n";
+if (system('sudo true >/dev/null') != 0)

   {
   {

-  $test_end = $test_start = shift;
-  $test_end = shift if @ARGV;
-  $test_end = ($test_start >= 9000)? TEST_SPECIAL_TOP : TEST_TOP
-    if $test_end eq '+';
-  die "** Test numbers out of order\n" if ($test_end < $test_start);
+  die "** Test for sudo failed: testing abandoned.\n";
+  }
+else
+  {
+  print "Test for sudo OK\n";

   }
   }

-my @test_range = $test_start..$test_end;
+
+

 
 
 ##################################################
 
 
 ##################################################


@@ -2597,7 +2628,7 @@ $parm_cwd = Cwd::getcwd();
 
 # If $parm_exim is still empty, ask the caller
 
 
 # If $parm_exim is still empty, ask the caller
 

-if ($parm_exim eq '')
+if (not $parm_exim)

   {
   print "** Did not find an Exim binary to test\n";
   for ($i = 0; $i < 5; $i++)
   {
   print "** Did not find an Exim binary to test\n";
   for ($i = 0; $i < 5; $i++)


@@ -2710,7 +2741,7 @@ if (defined $parm_trusted_config_list)
   open(TCL, $parm_trusted_config_list) or die "Can't open $parm_trusted_config_list: $!\n";
   my $test_config = getcwd() . '/test-config';
   die "Can't find '$test_config' in TRUSTED_CONFIG_LIST $parm_trusted_config_list."
   open(TCL, $parm_trusted_config_list) or die "Can't open $parm_trusted_config_list: $!\n";
   my $test_config = getcwd() . '/test-config';
   die "Can't find '$test_config' in TRUSTED_CONFIG_LIST $parm_trusted_config_list."

-  if not grep { /^$test_config$/ } <TCL>;
+  if not grep { /^\Q$test_config\E$/ } <TCL>;

   }
 else
   {
   }
 else
   {


@@ -3390,7 +3421,9 @@ tests_exit(-1, "Failed to unlink $log_summary_filename: $!")
 # because the current binary does not support the right facilities, and also
 # those that are outside the numerical range selected.
 
 # because the current binary does not support the right facilities, and also
 # those that are outside the numerical range selected.
 

-print "\nTest range is $test_start to $test_end (flavour $flavour)\n";
+printf "\nWill run %d tests between %d and %d for flavour %s\n",
+  scalar(@wanted), $wanted[0], $wanted[-1], $flavour;
+

 print "Omitting \${dlfunc expansion tests (loadable module not present)\n"
   if $dlfunc_deleted;
 print "Omitting dbm tests (unable to copy exim_dbmbuild)\n"
 print "Omitting \${dlfunc expansion tests (loadable module not present)\n"
   if $dlfunc_deleted;
 print "Omitting dbm tests (unable to copy exim_dbmbuild)\n"


@@ -3401,8 +3434,8 @@ my @test_dirs = grep { not /^CVS$/ } map { basename $_ } glob 'scripts/*'
   or die tests_exit(-1, "Failed to find test scripts in 'scripts/*`: $!");
 
 # Scan for relevant tests
   or die tests_exit(-1, "Failed to find test scripts in 'scripts/*`: $!");
 
 # Scan for relevant tests

-
-DIR: for ($i = 0; $i < @test_dirs; $i++)
+# HS12: Needs to be reworked.
+DIR: for (my $i = 0; $i < @test_dirs; $i++)

   {
   my($testdir) = $test_dirs[$i];
   my($wantthis) = 1;
   {
   my($testdir) = $test_dirs[$i];
   my($wantthis) = 1;


@@ -3413,12 +3446,12 @@ DIR: for ($i = 0; $i < @test_dirs; $i++)
   # test in the next directory.
 
   next DIR if ($i < @test_dirs - 1) &&
   # test in the next directory.
 
   next DIR if ($i < @test_dirs - 1) &&

-          ($test_start >= substr($test_dirs[$i+1], 0, 4));
+          ($wanted[0] >= substr($test_dirs[$i+1], 0, 4));

 
   # No need to carry on if the end test is less than the first test in this
   # subdirectory.
 
 
   # No need to carry on if the end test is less than the first test in this
   # subdirectory.
 

-  last DIR if $test_end < substr($testdir, 0, 4);
+  last DIR if $wanted[-1] < substr($testdir, 0, 4);

 
   # Check requirements, if any.
 
 
   # Check requirements, if any.
 


@@ -3475,14 +3508,13 @@ DIR: for ($i = 0; $i < @test_dirs; $i++)
   # We want the tests from this subdirectory, provided they are in the
   # range that was selected.
 
   # We want the tests from this subdirectory, provided they are in the
   # range that was selected.
 

-  @testlist = map { basename $_ } glob "scripts/$testdir/*";
+  @testlist = grep { $_ ~~ @wanted } grep { /^\d+(?:\.\d+)?$/ } map { basename $_ } glob "scripts/$testdir/*";

   tests_exit(-1, "Failed to read test scripts from `scripts/$testdir/*': $!")
     if not @testlist;
 
   foreach $test (@testlist)
     {
   tests_exit(-1, "Failed to read test scripts from `scripts/$testdir/*': $!")
     if not @testlist;
 
   foreach $test (@testlist)
     {

-    next if ($test !~ /^\d{4}(?:\.\d+)?$/);
-    if (!$wantthis || $test < $test_start || $test > $test_end)
+    if (!$wantthis)

       {
       log_test($log_summary_filename, $test, '.');
       }
       {
       log_test($log_summary_filename, $test, '.');
       }


@@ -3493,7 +3525,7 @@ DIR: for ($i = 0; $i < @test_dirs; $i++)
     }
   }
 
     }
   }
 

-print ">>Test List: @test_list\n", if $debug;
+print ">>Test List:\n", join "\n", @test_list, '' if $debug;

 
 
 ##################################################
 
 
 ##################################################


@@ -3908,8 +3940,12 @@ foreach $test (@test_list)
        }
         if ($force_continue)
           {
        }
         if ($force_continue)
           {

-          print "\nstderr tail:\n";
+          print "\nstdout tail:\n";
+          print "==================>\n";
+          system("tail -20 test-stdout");

           print "===================\n";
           print "===================\n";

+          print "stderr tail:\n";
+          print "==================>\n";

           system("tail -20 test-stderr");
           print "===================\n";
           print "... continue forced\n";
           system("tail -20 test-stderr");
           print "===================\n";
           print "... continue forced\n";


@@ -4012,4 +4048,81 @@ foreach $test (@test_list)
 tests_exit(-1, "No runnable tests selected") if not @test_list;
 tests_exit(0);
 
 tests_exit(-1, "No runnable tests selected") if not @test_list;
 tests_exit(0);
 

+__END__
+
+=head1 NAME
+
+ runtest - run the exim testsuite
+
+=head1 SYNOPSIS
+
+ runtest [exim-path] [options] [test0 [test1]]
+
+=head1 DESCRIPTION
+
+B<runtest> runs the Exim testsuite.
+
+=head1 OPTIONS
+
+For legacy reasons the options are not case sensitive.
+
+=over
+
+=item B<--continue>
+
+Do not stop for user interaction or on errors. (default: off)
+
+=item B<--debug>
+
+This option enables the output of debug information when running the
+various test commands. (default: off)
+
+=item B<--diff>
+
+Use C<diff -u> for comparing the expected output with the produced
+output. (default: use a built-in routine)
+
+=item B<--flavor>|B<--flavour> I<flavour>
+
+Override the expected results for results for a specific (OS) flavour.
+(default: unused)
+
+=item B<--[no]ipv4>
+
+Skip IPv4 related setup and tests (default: use ipv4)
+
+=item B<--[no]ipv6>
+
+Skip IPv6 related setup and tests (default: use ipv6)
+
+=item B<--keep>
+
+Keep the various output files produced during a test run. (default: don't keep)
+
+=item B<--range> I<n0> I<n1>
+
+Run tests between (including) I<n0> and I<n1>. A "+" may be used to specify the "last
+test available".
+
+=item B<--slow>
+
+Insert some delays to compensate for a slow host system. (default: off)
+
+=item B<--test> I<n>
+
+Run the specified test. This option may used multiple times.
+
+=item B<--update>
+
+Automatically update the recorded (expected) data on mismatch. (default: off)
+
+=item B<--valgrind>
+
+Start Exim wrapped by I<valgrind>. (default: don't use valgrind)
+
+=back
+
+=cut
+
+

 # End of runtest script
 # End of runtest script