freebsd-dev/lib/libc_r/test/verify
Jason Evans be1d533999 Automated regression test harness for libc_r. Existing tests are integrated,
a new test for POSIX semaphores was added, and examples of harness usage are
included.
2000-04-24 21:07:45 +00:00

506 lines
12 KiB
Perl
Executable File

#!/usr/bin/perl -w
#-*-mode:perl-*-
#############################################################################
#
# Copyright (C) 1999-2000 Jason Evans <jasone@freebsd.org>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice(s), this list of conditions and the following disclaimer as
# the first lines of this file unmodified other than the possible
# addition of one or more copyright notices.
# 2. Redistributions in binary form must reproduce the above copyright
# notice(s), this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#############################################################################
#
# Test harness.
#
# $FreeBSD$
#
#############################################################################
# Shut off buffering.
select(STDOUT);
$| = 1;
#
# Parse command-line arguments.
#
use Getopt::Long;
Getopt::Long::config("bundling"); # Allow -hv rather than forcing -h -v.
# Set option defaults for optional arguments.
$opt_help = 0;
$opt_verbose = 0;
$opt_quiet = 0;
$opt_srcdir = ".";
$opt_ustats = 0;
$opt_zero = 0;
$opt_retval =
&GetOptions("h|help" => \$opt_help,
"v|verbose" => \$opt_verbose,
"q|quiet" => \$opt_quiet,
"s|srcdir=s" => \$opt_srcdir,
"u|ustats" => \$opt_ustats,
"z|zero" => \$opt_zero
);
$mode = "d";
for ($i = 0; $i <= $#ARGV; $i++)
{
if (($ARGV[$i] eq "-s") || ($ARGV[$i] eq "--sequence"))
{
$mode = "s";
}
elsif (($ARGV[$i] eq "-d") || ($ARGV[$i] eq "--diff"))
{
$mode = "d";
}
elsif (-x $ARGV[$i])
{
if ($mode eq "s")
{
@STESTS = (@STESTS, $ARGV[$i]);
}
else
{
@DTESTS = (@DTESTS, $ARGV[$i]);
}
}
else
{
if (!$opt_quiet)
{
print STDERR "Cannot run \"$ARGV[$i]\"\n";
}
}
}
if ($opt_help)
{
&usage();
exit(0);
}
if ($opt_retval == 0)
{
&usage();
exit 1;
}
if ($opt_verbose && $opt_quiet)
{
print STDERR "-v and -q are incompatible\n";
&usage();
exit 1;
}
if ($#STESTS + $#DTESTS + 2 == 0)
{
print STDERR "No tests specified\n";
&usage();
exit 1;
}
if ($opt_verbose)
{
print STDERR "Option values: h:$opt_help, v:$opt_verbose, q:$opt_quiet, "
. "u:$opt_ustats\n";
printf STDERR "Sequence tests (%d total): @STESTS\n", $#STESTS + 1;
printf STDERR "Diff tests (%d total): @DTESTS\n", $#DTESTS + 1;
}
#
# Create and print header.
#
@TSTATS =
(
"--------------------------------------------------------------------------\n",
"Test c_user c_system c_total chng\n",
" passed/FAILED h_user h_system h_total %% chng\n"
);
if (!$opt_quiet)
{
foreach $line (@TSTATS)
{
printf STDOUT "$line";
}
}
#
# Run sequence test(s).
#
$total_utime = 0.0; # Total user time.
$total_stime = 0.0; # Total system time.
$total_hutime = 0.0; # Total historical user time.
$total_hstime = 0.0; # Total historical system time.
$total_ntime = 0.0; # Total time for tests that have historical data.
foreach $test (@STESTS)
{
# sequence mode.
$okay = 1;
($okay, $utime, $stime) = &run_test($test);
if (open (STEST_OUT, "<./$test.out"))
{
$num_failed_subtests = 0;
$_ = <STEST_OUT>;
if ($_ =~ /1\.\.(\d+)/)
{
$num_subtests = $1;
}
else
{
$num_subtests = 0;
$okay = 0;
if ($opt_verbose)
{
print STDERR "Malformed 1..n line: \"$_\"\n";
}
}
for ($subtest = 1; $subtest <= $num_subtests; $subtest++)
{
while (defined($line = <STEST_OUT>))
{
if ($line =~ /^not\s+ok\s+(\d+)?/)
{
$not = 1;
$test_num = $1;
last;
}
elsif ($line =~ /^ok\s+(\d+)?/)
{
$not = 0;
$test_num = $1;
last;
}
}
if (defined($line))
{
if (defined($test_num) && ($test_num != $subtest))
{
# There was no output printed for one or more tests.
for (; $subtest < $test_num; $subtest++)
{
$num_failed_subtests++;
}
}
if ($not)
{
$num_failed_subtests++;
}
}
else
{
for (; $subtest <= $num_subtests; $subtest++)
{
$num_failed_subtests++;
}
}
}
if (0 < $num_failed_subtests)
{
$okay = 0;
}
}
else
{
if (!$opt_quiet)
{
print STDERR "Cannot open output file \"$test.out\"\n";
}
exit 1;
}
($hutime, $hstime) = &print_stats($test, $okay,
$num_failed_subtests, $num_subtests,
$utime, $stime);
$total_hutime += $hutime;
$total_hstime += $hstime;
if ($okay)
{
$total_utime += $utime;
$total_stime += $stime;
}
else
{
@FAILED_TESTS = (@FAILED_TESTS, $test);
}
# If there were historical data, add the run time to the total time to
# compare against the historical run time.
if (0 < ($hutime + $hstime))
{
$total_ntime += $utime + $stime;
}
}
foreach $test (@DTESTS)
{
# Diff mode.
$okay = 1;
($okay, $utime, $stime) = &run_test($test);
if (-e "./$test.out" && -e "$opt_srcdir/$test.exp")
{
`diff ./$test.out $opt_srcdir/$test.exp > ./$test.diff 2>&1`;
if ($?)
{
# diff returns non-zero if there is a difference.
$okay = 0;
}
}
else
{
$okay = 0;
if ($opt_verbose)
{
print STDERR
"Nonexistent expected output file \"$opt_srcdir/$test.exp\"\n";
print STDERR "\$opt_srcdir is \"$opt_srcdir\"\n";
}
}
($hutime, $hstime) = &print_stats($test, $okay, 0, 0, $utime, $stime);
$total_hutime += $hutime;
$total_hstime += $hstime;
if ($okay)
{
$total_utime += $utime;
$total_stime += $stime;
}
else
{
@FAILED_TESTS = (@FAILED_TESTS, $test);
}
# If there were historical data, add the run time to the total time to
# compare against the historical run time.
if (0 < ($hutime + $hstime))
{
$total_ntime += $utime + $stime;
}
}
# Print summary stats.
$tt_str = sprintf ("%d / %d passed (%5.2f%%%%)",
($#STESTS + $#DTESTS + 2) - ($#FAILED_TESTS + 1),
$#STESTS + $#DTESTS + 2,
(($#STESTS + $#DTESTS + 2) - ($#FAILED_TESTS + 1))
/ ($#STESTS + $#DTESTS + 2) * 100);
$t_str = sprintf ("Totals %7.2f %7.2f %7.2f"
. " %7.2f\n"
. " %s %7.2f %7.2f %7.2f %7.2f%%%%\n",
$total_utime, $total_stime, $total_utime + $total_stime,
($total_ntime - ($total_hutime + $total_hstime)),
$tt_str . ' ' x (40 - length($tt_str)),
$total_hutime, $total_hstime, $total_hutime + $total_hstime,
($total_hutime + $total_hstime == 0.0) ? 0.0 :
(($total_ntime
- ($total_hutime + $total_hstime))
/ ($total_hutime + $total_hstime) * 100));
@TSTATS = ("--------------------------------------------------------------------------\n",
$t_str,
"--------------------------------------------------------------------------\n"
);
if (!$opt_quiet)
{
foreach $line (@TSTATS)
{
printf STDOUT "$line";
}
}
# End of main execution.
sub run_test
{
my ($test) = @_;
my ($okay) = 1;
my ($tutime, $tstime);
my ($utime, $stime, $cutime, $cstime);
my (@TSTATS);
my ($t_str);
@TSTATS = ("--------------------------------------------------------------------------\n");
$t_str = sprintf ("%s%s", $test, ' ' x (40 - length($test)));
@TSTATS = (@TSTATS, $t_str);
@STATS = (@STATS, @TSTATS);
if (!$opt_quiet)
{
foreach $line (@TSTATS)
{
printf STDOUT "$line";
}
}
($utime, $stime, $cutime, $cstime) = times;
`./$test $opt_srcdir > ./$test.out 2>&1`;
($utime, $stime, $tutime, $tstime) = times;
# Subtract the before time from the after time.
$tutime -= $cutime;
$tstime -= $cstime;
if ($opt_zero)
{
if ($?)
{
$okay = 0;
if ($opt_verbose)
{
print STDERR "\"./$test > ./$test.out 2>&1\" returned $?\n";
}
}
}
return ($okay, $tutime, $tstime);
}
sub print_stats
{
my ($test, $okay, $failed_subtests, $subtests, $utime, $stime) = @_;
my ($hutime, $hstime);
# my (TEST_PERF);
my (@TSTATS);
my ($t_str, $pass_str);
$pass_str = $okay ? "passed" : "*** FAILED ***";
if ((0 != $subtests) && (!$okay))
{
$pass_str = $pass_str . " ($failed_subtests/$subtests failed)";
}
$pass_str = $pass_str . ' ' x (39 - length($pass_str));
if (-r "$test.perf")
{
if (!open (TEST_PERF, "<./$test.perf"))
{
print STDERR "Unable to open \"./$test.perf\"\n";
exit 1;
}
$_ = <TEST_PERF>;
($hutime, $hstime) = split;
close TEST_PERF;
$t_str = sprintf (" %7.2f %7.2f %7.2f %7.2f\n"
. " %s %7.2f %7.2f %7.2f %7.2f%%%%\n",
$utime, $stime, $utime + $stime,
($utime + $stime) - ($hutime + $hstime),
$pass_str,
$hutime, $hstime, $hutime + $hstime,
(($hutime + $hstime) == 0.0) ? 0.0 :
((($utime + $stime) - ($hutime + $hstime))
/ ($hutime + $hstime) * 100));
}
else
{
$hutime = 0.0;
$hstime = 0.0;
$t_str = sprintf (" %7.2f %7.2f %7.2f \n"
. " %s\n",
$utime, $stime, $utime + $stime,
$pass_str);
}
@TSTATS = ($t_str);
if (!$opt_quiet)
{
foreach $line (@TSTATS)
{
printf STDOUT "$line";
}
}
if ($okay && $opt_ustats)
{
if (!open (TEST_PERF, ">./$test.perf"))
{
if (!$opt_quiet)
{
print STDERR "Unable to update \"$test.perf\"\n";
}
}
else
{
print TEST_PERF "$utime $stime\n";
close TEST_PERF;
}
}
return ($hutime, $hstime);
}
sub usage
{
print <<EOF;
$0 usage:
$0 [<options>] -- {[-s | -d | --sequence | --diff] <test>+}+
Option | Description
--------------+-------------------------------------------------------------
-h --help | Print usage and exit.
-v --verbose | Verbose (incompatible with quiet).
-q --quiet | Quiet (incompatible with verbose).
-s --srcdir | Path to source tree (default is ".").
-u --ustats | Update historical statistics (stored in "<test>.perf".
-z --zero | Consider non-zero exit code to be an error.
--------------+-------------------------------------------------------------
Flag | Description
--------------+-------------------------------------------------------------
-s --sequence | Sequence mode (default).
| Output to stdout of the following form is expected:
|
| -----------------
| 1..<n>
| {not} ok [1]
| {not} ok [2]
| ...
| {not} ok [n]
| -----------------
|
| 1 <= <n> < 2^31
|
| Lines which do not match the patterns shown above are
| ignored, except that the 1..<n> construct must be the first
| line of output seen.
|
-d --diff | Diff mode (incompatible with sequence mode).
| If <test>.exp exists, diff it with the output from <test> to
| determine success or failure.
--------------+-------------------------------------------------------------
EOF
}