1 # -*- Mode: cperl; cperl-indent-level: 4 -*-
2 # $Id: Harness.pm,v 1.33 2002/05/29 23:02:48 schwern Exp $
7 use Test::Harness::Straps;
8 use Test::Harness::Assert;
14 use vars qw($VERSION $Verbose $Switches $Have_Devel_Corestack $Curtest
15 $Columns $verbose $switches $ML
16 @ISA @EXPORT @EXPORT_OK
19 # Backwards compatibility for exportable variable names.
21 *switches = \$Switches;
23 $Have_Devel_Corestack = 0;
27 $ENV{HARNESS_ACTIVE} = 1;
31 delete $ENV{HARNESS_ACTIVE};
34 # Some experimental versions of OS/2 build have broken $?
35 my $Ignore_Exitcode = $ENV{HARNESS_IGNORE_EXITCODE};
37 my $Files_In_Dir = $ENV{HARNESS_FILELEAK_IN_DIR};
39 my $Strap = Test::Harness::Straps->new;
42 @EXPORT = qw(&runtests);
43 @EXPORT_OK = qw($verbose $switches);
45 $Verbose = $ENV{HARNESS_VERBOSE} || 0;
47 $Columns = $ENV{HARNESS_COLUMNS} || $ENV{COLUMNS} || 80;
48 $Columns--; # Some shells have trouble with a full line of text.
53 Test::Harness - run perl standard test scripts with statistics
59 runtests(@test_files);
63 B<STOP!> If all you want to do is write a test script, consider using
64 Test::Simple. Otherwise, read on.
66 (By using the Test module, you can write test scripts without
67 knowing the exact output this module expects. However, if you need to
68 know the specifics, read on!)
70 Perl test scripts print to standard output C<"ok N"> for each single
71 test, where C<N> is an increasing sequence of integers. The first line
72 output by a standard test script is C<"1..M"> with C<M> being the
73 number of tests that should be run within the test
74 script. Test::Harness::runtests(@tests) runs all the testscripts
75 named as arguments and checks standard output for the expected
78 After all tests have been performed, runtests() prints some
79 performance statistics that are computed by the Benchmark module.
81 =head2 The test script output
83 The following explains how Test::Harness interprets the output of your
90 This header tells how many tests there will be. For example, C<1..10>
91 means you plan on running 10 tests. This is a safeguard in case your
92 test dies quietly in the middle of its run.
94 It should be the first non-comment line output by your test program.
96 In certain instances, you may not know how many tests you will
97 ultimately be running. In this case, it is permitted for the 1..M
98 header to appear as the B<last> line output by your test (again, it
99 can be followed by further comments).
101 Under B<no> circumstances should 1..M appear in the middle of your
102 output or more than once.
105 =item B<'ok', 'not ok'. Ok?>
107 Any output from the testscript to standard error is ignored and
108 bypassed, thus will be seen by the user. Lines written to standard
109 output containing C</^(not\s+)?ok\b/> are interpreted as feedback for
110 runtests(). All other lines are discarded.
112 C</^not ok/> indicates a failed test. C</^ok/> is a successful test.
115 =item B<test numbers>
117 Perl normally expects the 'ok' or 'not ok' to be followed by a test
118 number. It is tolerated if the test numbers after 'ok' are
119 omitted. In this case Test::Harness maintains temporarily its own
120 counter until the script supplies test numbers again. So the following
135 Failed 3/6 tests, 50.00% okay
139 Anything after the test number but before the # is considered to be
140 the name of the test.
142 ok 42 this is the name of the test
144 Currently, Test::Harness does nothing with this information.
146 =item B<Skipping tests>
148 If the standard output line contains the substring C< # Skip> (with
149 variations in spacing and case) after C<ok> or C<ok NUMBER>, it is
150 counted as a skipped test. If the whole testscript succeeds, the
151 count of skipped tests is included in the generated output.
152 C<Test::Harness> reports the text after C< # Skip\S*\s+> as a reason
155 ok 23 # skip Insufficient flogiston pressure.
157 Similarly, one can include a similar explanation in a C<1..0> line
158 emitted if the test script is skipped completely:
160 1..0 # Skipped: no leverage found
164 If the standard output line contains the substring C< # TODO> after
165 C<not ok> or C<not ok NUMBER>, it is counted as a todo test. The text
166 afterwards is the thing that has to be done before this test will
169 not ok 13 # TODO harness the power of the atom
173 Alternatively, you can specify a list of what tests are todo as part
178 This only works if the header appears at the beginning of the test.
180 This style is B<deprecated>.
184 These tests represent a feature to be implemented or a bug to be fixed
185 and act as something of an executable "thing to do" list. They are
186 B<not> expected to succeed. Should a todo test begin succeeding,
187 Test::Harness will report it as a bonus. This indicates that whatever
188 you were supposed to do has been done and you should promote this to a
193 As an emergency measure, a test script can decide that further tests
194 are useless (e.g. missing dependencies) and testing should stop
195 immediately. In that case the test script prints the magic words
199 to standard output. Any message after these words will be displayed by
200 C<Test::Harness> as the reason why testing is stopped.
204 Additional comments may be put into the testing output on their own
205 lines. Comment lines should begin with a '#', Test::Harness will
209 # Life is good, the sun is shining, RAM is cheap.
211 # got 'Bush' expected 'Gore'
213 =item B<Anything else>
215 Any other output Test::Harness sees it will silently ignore B<BUT WE
216 PLAN TO CHANGE THIS!> If you wish to place additional output in your
217 test script, please use a comment.
224 Test::Harness will honor the C<-T> in the #! line on your test files. So
225 if you begin a test with:
229 the test will be run with taint mode on.
232 =head2 Configuration variables.
234 These variables can be used to configure the behavior of
235 Test::Harness. They are exported on request.
239 =item B<$Test::Harness::verbose>
241 The global variable $Test::Harness::verbose is exportable and can be
242 used to let runtests() display the standard output of the script
243 without altering the behavior otherwise.
245 =item B<$Test::Harness::switches>
247 The global variable $Test::Harness::switches is exportable and can be
248 used to set perl command line options used for running the test
249 script(s). The default value is C<-w>.
256 It will happen, your tests will fail. After you mop up your ego, you
257 can begin examining the summary report:
259 t/base..............ok
260 t/nonumbers.........ok
261 t/ok................ok
262 t/test-harness......ok
263 t/waterloo..........dubious
264 Test returned status 3 (wstat 768, 0x300)
265 DIED. FAILED tests 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
266 Failed 10/20 tests, 50.00% okay
267 Failed Test Stat Wstat Total Fail Failed List of Failed
268 -----------------------------------------------------------------------
269 t/waterloo.t 3 768 20 10 50.00% 1 3 5 7 9 11 13 15 17 19
270 Failed 1/5 test scripts, 80.00% okay. 10/44 subtests failed, 77.27% okay.
272 Everything passed but t/waterloo.t. It failed 10 of 20 tests and
273 exited with non-zero status indicating something dubious happened.
275 The columns in the summary report mean:
281 The test file which failed.
285 If the test exited with non-zero, this is its exit status.
289 The wait status of the test I<umm, I need a better explanation here>.
293 Total number of tests expected to run.
297 Number which failed, either from "not ok" or because they never ran.
301 Percentage of the total tests which failed.
303 =item B<List of Failed>
305 A list of the tests which failed. Successive failures may be
306 abbreviated (ie. 15-20 to indicate that tests 15, 16, 17, 18, 19 and
314 Test::Harness currently only has one function, here it is.
320 my $allok = runtests(@test_files);
322 This runs all the given @test_files and divines whether they passed
323 or failed based on their output to STDOUT (details above). It prints
324 out each individual test which failed along with a summary report and
325 a how long it all took.
327 It returns true if everything was ok, false otherwise.
330 This is just _run_all_tests() plus _show_results()
339 my($tot, $failedtests) = _run_all_tests(@tests);
340 _show_results($tot, $failedtests);
342 my $ok = _all_ok($tot);
344 assert(($ok xor keys %$failedtests),
345 q{ok status jives with $failedtests});
354 my $ok = _all_ok(\%tot);
356 Tells you if this test run is overall successful or not.
363 return $tot->{bad} == 0 && ($tot->{max} || $tot->{skipped}) ? 1 : 0;
368 my @files = _globdir $dir;
370 Returns all the files in a directory. This is shorthand for backwards
371 compatibility on systems where glob() doesn't work right.
377 my @f = readdir DIRH;
383 =item B<_run_all_tests>
385 my($total, $failed) = _run_all_tests(@test_files);
387 Runs all the given @test_files (as runtests()) but does it quietly (no
388 report). $total is a hash ref summary of all the tests run. Its keys
391 bonus Number of individual todo tests unexpectedly passed
392 max Number of individual tests ran
393 ok Number of individual tests passed
394 sub_skipped Number of individual tests skipped
395 todo Number of individual todo tests
397 files Number of test files ran
398 good Number of test files passed
399 bad Number of test files failed
400 tests Number of test files originally given
401 skipped Number of test files skipped
403 If $total->{bad} == 0 and $total->{max} > 0, you've got a successful
406 $failed is a hash ref of all the test scripts which failed. Each key
407 is the name of a test script, each value is another hash representing
408 how that script failed. Its keys are these:
410 name Name of the test which failed
411 estat Script's exit value
412 wstat Script's wait status
413 max Number of individual tests
414 failed Number which failed
415 percent Percentage of tests which failed
416 canon List of tests which failed (as string).
418 Needless to say, $failed should be empty if everything passed.
420 B<NOTE> Currently this function is still noisy. I'm working on it.
438 tests => scalar @tests,
445 my @dir_files = _globdir $Files_In_Dir if defined $Files_In_Dir;
446 my $t_start = new Benchmark;
448 my $width = _leader_width(@tests);
449 foreach my $tfile (@tests) {
451 my($leader, $ml) = _mk_leader($tfile, $width);
457 $Strap->{_seen_header} = 0;
458 my %results = $Strap->analyze_file($tfile) or
459 do { warn "$Strap->{error}\n"; next };
461 # state of the current test.
462 my @failed = grep { !$results{details}[$_-1]{ok} }
463 1..@{$results{details}};
466 'next' => $Strap->{'next'},
467 max => $results{max},
469 bonus => $results{bonus},
470 skipped => $results{skip},
471 skip_reason => $Strap->{_skip_reason},
472 skip_all => $Strap->{skip_all},
476 $tot{bonus} += $results{bonus};
477 $tot{max} += $results{max};
478 $tot{ok} += $results{ok};
479 $tot{todo} += $results{todo};
480 $tot{sub_skipped} += $results{skip};
482 my($estatus, $wstatus) = @results{qw(exit wait)};
485 $failedtests{$tfile} = _dubious_return(\%test, \%tot,
487 $failedtests{$tfile}{name} = $tfile;
489 elsif ($results{passing}) {
490 if ($test{max} and $test{skipped} + $test{bonus}) {
492 push(@msg, "$test{skipped}/$test{max} skipped: $test{skip_reason}")
494 push(@msg, "$test{bonus}/$test{max} unexpectedly succeeded")
496 print "$test{ml}ok\n ".join(', ', @msg)."\n";
497 } elsif ($test{max}) {
498 print "$test{ml}ok\n";
499 } elsif (length $test{skip_all}) {
500 print "skipped\n all skipped: $test{skip_all}\n";
503 print "skipped\n all skipped: no reason given\n";
510 if ($test{'next'} <= $test{max}) {
511 push @{$test{failed}}, $test{'next'}..$test{max};
513 if (@{$test{failed}}) {
514 my ($txt, $canon) = canonfailed($test{max},$test{skipped},
516 print "$test{ml}$txt";
517 $failedtests{$tfile} = { canon => $canon,
519 failed => scalar @{$test{failed}},
521 percent => 100*(scalar @{$test{failed}})/$test{max},
526 print "Don't know which tests failed: got $test{ok} ok, ".
527 "expected $test{max}\n";
528 $failedtests{$tfile} = { canon => '??',
538 } elsif ($test{'next'} == 0) {
539 print "FAILED before any test output arrived\n";
541 $failedtests{$tfile} = { canon => '??',
552 if (defined $Files_In_Dir) {
553 my @new_dir_files = _globdir $Files_In_Dir;
554 if (@new_dir_files != @dir_files) {
556 @f{@new_dir_files} = (1) x @new_dir_files;
557 delete @f{@dir_files};
558 my @f = sort keys %f;
559 print "LEAKED FILES: @f\n";
560 @dir_files = @new_dir_files;
564 $tot{bench} = timediff(new Benchmark, $t_start);
566 $Strap->_restore_PERL5LIB;
568 return(\%tot, \%failedtests);
573 my($leader, $ml) = _mk_leader($test_file, $width);
575 Generates the 't/foo........' $leader for the given $test_file as well
576 as a similar version which will overwrite the current line (by use of
577 \r and such). $ml may be empty if Test::Harness doesn't think you're
580 The $width is the width of the "yada/blah.." string.
585 my($te, $width) = @_;
589 if ($^O eq 'VMS') { $te =~ s/^.*\.t\./\[.t./s; }
590 my $blank = (' ' x 77);
591 my $leader = "$te" . '.' x ($width - length($te));
594 $ml = "\r$blank\r$leader"
595 if -t STDOUT and not $ENV{HARNESS_NOTTY} and not $Verbose;
597 return($leader, $ml);
600 =item B<_leader_width>
602 my($width) = _leader_width(@test_files);
604 Calculates how wide the leader should be based on the length of the
613 my $suf = /\.(\w+)$/ ? $1 : '';
615 my $suflen = length $suf;
616 $maxlen = $len if $len > $maxlen;
617 $maxsuflen = $suflen if $suflen > $maxsuflen;
619 # + 3 : we want three dots between the test name and the "ok"
620 return $maxlen + 3 - $maxsuflen;
625 my($tot, $failedtests) = @_;
628 my $bonusmsg = _bonusmsg($tot);
631 print "All tests successful$bonusmsg.\n";
632 } elsif (!$tot->{tests}){
633 die "FAILED--no tests were run for some reason.\n";
634 } elsif (!$tot->{max}) {
635 my $blurb = $tot->{tests}==1 ? "script" : "scripts";
636 die "FAILED--$tot->{tests} test $blurb could be run, ".
637 "alas--no output ever seen\n";
639 $pct = sprintf("%.2f", $tot->{good} / $tot->{tests} * 100);
640 my $percent_ok = 100*$tot->{ok}/$tot->{max};
641 my $subpct = sprintf " %d/%d subtests failed, %.2f%% okay.",
642 $tot->{max} - $tot->{ok}, $tot->{max},
645 my($fmt_top, $fmt) = _create_fmts($failedtests);
647 # Now write to formats
648 for my $script (sort keys %$failedtests) {
649 $Curtest = $failedtests->{$script};
653 $bonusmsg =~ s/^,\s*//;
654 print "$bonusmsg.\n" if $bonusmsg;
655 die "Failed $tot->{bad}/$tot->{tests} test scripts, $pct% okay.".
660 printf("Files=%d, Tests=%d, %s\n",
661 $tot->{files}, $tot->{max}, timestr($tot->{bench}, 'nop'));
666 $Strap->{callback} = sub {
667 my($self, $line, $type, $totals) = @_;
668 print $line if $Verbose;
670 my $meth = $Handlers{$type};
671 $meth->($self, $line, $type, $totals) if $meth;
675 $Handlers{header} = sub {
676 my($self, $line, $type, $totals) = @_;
678 warn "Test header seen more than once!\n" if $self->{_seen_header};
680 $self->{_seen_header}++;
682 warn "1..M can only appear at the beginning or end of tests\n"
683 if $totals->{seen} &&
684 $totals->{max} < $totals->{seen};
687 $Handlers{test} = sub {
688 my($self, $line, $type, $totals) = @_;
690 my $curr = $totals->{seen};
691 my $next = $self->{'next'};
692 my $max = $totals->{max};
693 my $detail = $totals->{details}[-1];
695 if( $detail->{ok} ) {
696 _print_ml("ok $curr/$max");
698 if( $detail->{type} eq 'skip' ) {
699 $self->{_skip_reason} = $detail->{reason}
700 unless defined $self->{_skip_reason};
701 $self->{_skip_reason} = 'various reasons'
702 if $self->{_skip_reason} ne $detail->{reason};
706 _print_ml("NOK $curr");
709 if( $curr > $next ) {
710 print "Test output counter mismatch [test $curr]\n";
712 elsif( $curr < $next ) {
713 print "Confused test output: test $curr answered after ".
714 "test ", $next - 1, "\n";
719 $Handlers{bailout} = sub {
720 my($self, $line, $type, $totals) = @_;
722 die "FAILED--Further testing stopped" .
723 ($self->{bailout_reason} ? ": $self->{bailout_reason}\n" : ".\n");
728 print join '', $ML, @_ if $ML;
736 $bonusmsg = (" ($tot->{bonus} subtest".($tot->{bonus} > 1 ? 's' : '').
737 " UNEXPECTEDLY SUCCEEDED)")
740 if ($tot->{skipped}) {
741 $bonusmsg .= ", $tot->{skipped} test"
742 . ($tot->{skipped} != 1 ? 's' : '');
743 if ($tot->{sub_skipped}) {
744 $bonusmsg .= " and $tot->{sub_skipped} subtest"
745 . ($tot->{sub_skipped} != 1 ? 's' : '');
747 $bonusmsg .= ' skipped';
749 elsif ($tot->{sub_skipped}) {
750 $bonusmsg .= ", $tot->{sub_skipped} subtest"
751 . ($tot->{sub_skipped} != 1 ? 's' : '')
758 # Test program go boom.
759 sub _dubious_return {
760 my($test, $tot, $estatus, $wstatus) = @_;
761 my ($failed, $canon, $percent) = ('??', '??');
763 printf "$test->{ml}dubious\n\tTest returned status $estatus ".
764 "(wstat %d, 0x%x)\n",
766 print "\t\t(VMS status is $estatus)\n" if $^O eq 'VMS';
768 if (corestatus($wstatus)) { # until we have a wait module
769 if ($Have_Devel_Corestack) {
770 Devel::CoreStack::stack($^X);
772 print "\ttest program seems to have generated a core\n";
779 if ($test->{'next'} == $test->{max} + 1 and not @{$test->{failed}}) {
780 print "\tafter all the subtests completed successfully\n";
782 $failed = 0; # But we do not set $canon!
785 push @{$test->{failed}}, $test->{'next'}..$test->{max};
786 $failed = @{$test->{failed}};
787 (my $txt, $canon) = canonfailed($test->{max},$test->{skipped},@{$test->{failed}});
788 $percent = 100*(scalar @{$test->{failed}})/$test->{max};
793 return { canon => $canon, max => $test->{max} || '??',
796 estat => $estatus, wstat => $wstatus,
802 my($failedtests) = @_;
804 my $failed_str = "Failed Test";
805 my $middle_str = " Stat Wstat Total Fail Failed ";
806 my $list_str = "List of Failed";
808 # Figure out our longest name string for formatting purposes.
809 my $max_namelen = length($failed_str);
810 foreach my $script (keys %$failedtests) {
811 my $namelen = length $failedtests->{$script}->{name};
812 $max_namelen = $namelen if $namelen > $max_namelen;
815 my $list_len = $Columns - length($middle_str) - $max_namelen;
816 if ($list_len < length($list_str)) {
817 $list_len = length($list_str);
818 $max_namelen = $Columns - length($middle_str) - $list_len;
819 if ($max_namelen < length($failed_str)) {
820 $max_namelen = length($failed_str);
821 $Columns = $max_namelen + length($middle_str) + $list_len;
825 my $fmt_top = "format STDOUT_TOP =\n"
826 . sprintf("%-${max_namelen}s", $failed_str)
832 my $fmt = "format STDOUT =\n"
833 . "@" . "<" x ($max_namelen - 1)
834 . " @>> @>>>> @>>>> @>>> ^##.##% "
835 . "^" . "<" x ($list_len - 1) . "\n"
836 . '{ $Curtest->{name}, $Curtest->{estat},'
837 . ' $Curtest->{wstat}, $Curtest->{max},'
838 . ' $Curtest->{failed}, $Curtest->{percent},'
839 . ' $Curtest->{canon}'
841 . "~~" . " " x ($Columns - $list_len - 2) . "^"
842 . "<" x ($list_len - 1) . "\n"
843 . '$Curtest->{canon}'
851 return($fmt_top, $fmt);
855 my $tried_devel_corestack;
861 local $^W = 0; # *.ph files are often *very* noisy
865 my $did_core = defined &WCOREDUMP ? WCOREDUMP($st) : $st & 0200;
867 eval { require Devel::CoreStack; $Have_Devel_Corestack++ }
868 unless $tried_devel_corestack++;
874 sub canonfailed ($@) {
875 my($max,$skipped,@failed) = @_;
877 @failed = sort {$a <=> $b} grep !$seen{$_}++, @failed;
878 my $failed = @failed;
882 my $last = $min = shift @failed;
885 for (@failed, $failed[-1]) { # don't forget the last one
886 if ($_ > $last+1 || $_ == $last) {
890 push @canon, "$min-$last";
897 push @result, "FAILED tests @canon\n";
898 $canon = join ' ', @canon;
900 push @result, "FAILED test $last\n";
904 push @result, "\tFailed $failed/$max tests, ";
905 push @result, sprintf("%.2f",100*(1-$failed/$max)), "% okay";
906 my $ender = 's' x ($skipped > 1);
907 my $good = $max - $failed - $skipped;
908 my $goodper = sprintf("%.2f",100*($good/$max));
909 push @result, " (less $skipped skipped test$ender: $good okay, ".
913 my $txt = join "", @result;
930 C<&runtests> is exported by Test::Harness per default.
932 C<$verbose> and C<$switches> are exported upon request.
939 =item C<All tests successful.\nFiles=%d, Tests=%d, %s>
941 If all tests are successful some statistics about the performance are
944 =item C<FAILED tests %s\n\tFailed %d/%d tests, %.2f%% okay.>
946 For any single script that has failing subtests statistics like the
949 =item C<Test returned status %d (wstat %d)>
951 Scripts that return a non-zero exit status, both C<$? E<gt>E<gt> 8>
952 and C<$?> are printed in a message similar to the above.
954 =item C<Failed 1 test, %.2f%% okay. %s>
956 =item C<Failed %d/%d tests, %.2f%% okay. %s>
958 If not all tests were successful, the script dies with one of the
961 =item C<FAILED--Further testing stopped: %s>
963 If a single subtest decides that further testing will not make sense,
964 the script dies with this message.
972 =item C<HARNESS_ACTIVE>
974 Harness sets this before executing the individual tests. This allows
975 the tests to determine if they are being executed through the harness
976 or by any other means.
978 =item C<HARNESS_COLUMNS>
980 This value will be used for the width of the terminal. If it is not
981 set then it will default to C<COLUMNS>. If this is not set, it will
982 default to 80. Note that users of Bourne-sh based shells will need to
983 C<export COLUMNS> for this module to use that variable.
985 =item C<HARNESS_COMPILE_TEST>
987 When true it will make harness attempt to compile the test using
988 C<perlcc> before running it.
990 B<NOTE> This currently only works when sitting in the perl source
993 =item C<HARNESS_FILELEAK_IN_DIR>
995 When set to the name of a directory, harness will check after each
996 test whether new files appeared in that directory, and report them as
998 LEAKED FILES: scr.tmp 0 my.db
1000 If relative, directory name is with respect to the current directory at
1001 the moment runtests() was called. Putting absolute path into
1002 C<HARNESS_FILELEAK_IN_DIR> may give more predictable results.
1004 =item C<HARNESS_IGNORE_EXITCODE>
1006 Makes harness ignore the exit status of child processes when defined.
1008 =item C<HARNESS_NOTTY>
1010 When set to a true value, forces it to behave as though STDOUT were
1011 not a console. You may need to set this if you don't want harness to
1012 output more frequent progress messages using carriage returns. Some
1013 consoles may not handle carriage returns properly (which results in a
1014 somewhat messy output).
1016 =item C<HARNESS_PERL_SWITCHES>
1018 Its value will be prepended to the switches used to invoke perl on
1019 each test. For example, setting C<HARNESS_PERL_SWITCHES> to C<-W> will
1020 run all tests with all warnings enabled.
1022 =item C<HARNESS_VERBOSE>
1024 If true, Test::Harness will output the verbose results of running
1025 its tests. Setting $Test::Harness::verbose will override this.
1031 Here's how Test::Harness tests itself
1033 $ cd ~/src/devel/Test-Harness
1034 $ perl -Mblib -e 'use Test::Harness qw(&runtests $verbose);
1035 $verbose=0; runtests @ARGV;' t/*.t
1036 Using /home/schwern/src/devel/Test-Harness/blib
1037 t/base..............ok
1038 t/nonumbers.........ok
1039 t/ok................ok
1040 t/test-harness......ok
1041 All tests successful.
1042 Files=4, Tests=24, 2 wallclock secs ( 0.61 cusr + 0.41 csys = 1.02 CPU)
1046 L<Test> and L<Test::Simple> for writing test scripts, L<Benchmark> for
1047 the underlying timing routines, L<Devel::CoreStack> to generate core
1048 dumps from failed tests and L<Devel::Cover> for test coverage
1053 Either Tim Bunce or Andreas Koenig, we don't know. What we know for
1054 sure is, that it was inspired by Larry Wall's TEST script that came
1055 with perl distributions for ages. Numerous anonymous contributors
1056 exist. Andreas Koenig held the torch for many years.
1058 Current maintainer is Michael G Schwern E<lt>schwern@pobox.comE<gt>
1062 Provide a way of running tests quietly (ie. no printing) for automated
1063 validation of tests. This will probably take the form of a version
1064 of runtests() which rather than printing its output returns raw data
1065 on the state of the tests. (Partially done in Test::Harness::Straps)
1067 Fix HARNESS_COMPILE_TEST without breaking its core usage.
1069 Figure a way to report test names in the failure summary.
1071 Rework the test summary so long test names are not truncated as badly.
1072 (Partially done with new skip test styles)
1074 Deal with VMS's "not \nok 4\n" mistake.
1076 Add option for coverage analysis.
1079 Keeping whittling away at _run_all_tests()
1082 Clean up how the summary is printed. Get rid of those damned formats.
1086 HARNESS_COMPILE_TEST currently assumes it's run from the Perl source