Commit | Line | Data |
f6b705ef |
1 | #!./perl -w |
a0d0e21e |
2 | |
77fd2717 |
3 | BEGIN { |
4 | unless(grep /blib/, @INC) { |
5 | chdir 't' if -d 't'; |
6 | @INC = '../lib' if -d '../lib'; |
7 | } |
8 | } |
9 | |
bb50757b |
10 | use warnings; |
11 | use strict; |
77fd2717 |
12 | use Config; |
13 | |
a0d0e21e |
14 | BEGIN { |
77fd2717 |
15 | if(-d "lib" && -f "TEST") { |
16 | if ($Config{'extensions'} !~ /\bDB_File\b/ ) { |
46ca028d |
17 | print "1..0 # Skip: DB_File was not built\n"; |
77fd2717 |
18 | exit 0; |
19 | } |
a0d0e21e |
20 | } |
21 | } |
22 | |
23 | use DB_File; |
24 | use Fcntl; |
07200f1b |
25 | our ($dbh, $Dfile, $bad_ones, $FA); |
045291aa |
26 | |
27 | # full tied array support started in Perl 5.004_57 |
a9fd575d |
28 | # Double check to see if it is available. |
29 | |
30 | { |
31 | sub try::TIEARRAY { bless [], "try" } |
32 | sub try::FETCHSIZE { $FA = 1 } |
33 | $FA = 0 ; |
34 | my @a ; |
35 | tie @a, 'try' ; |
36 | my $a = @a ; |
37 | } |
38 | |
a0d0e21e |
39 | |
55d68b4a |
40 | sub ok |
41 | { |
42 | my $no = shift ; |
43 | my $result = shift ; |
a0d0e21e |
44 | |
55d68b4a |
45 | print "not " unless $result ; |
46 | print "ok $no\n" ; |
6250ba0a |
47 | |
48 | return $result ; |
49 | } |
50 | |
9b761c68 |
51 | { |
52 | package Redirect ; |
53 | use Symbol ; |
54 | |
55 | sub new |
56 | { |
57 | my $class = shift ; |
58 | my $filename = shift ; |
59 | my $fh = gensym ; |
60 | open ($fh, ">$filename") || die "Cannot open $filename: $!" ; |
61 | my $real_stdout = select($fh) ; |
62 | return bless [$fh, $real_stdout ] ; |
63 | |
64 | } |
65 | sub DESTROY |
66 | { |
67 | my $self = shift ; |
68 | close $self->[0] ; |
69 | select($self->[1]) ; |
70 | } |
71 | } |
72 | |
73 | sub docat |
74 | { |
75 | my $file = shift; |
76 | local $/ = undef; |
77 | open(CAT,$file) || die "Cannot open $file:$!"; |
78 | my $result = <CAT>; |
79 | close(CAT); |
77fd2717 |
80 | normalise($result) ; |
9b761c68 |
81 | return $result; |
82 | } |
83 | |
84 | sub docat_del |
85 | { |
86 | my $file = shift; |
77fd2717 |
87 | my $result = docat($file); |
9b761c68 |
88 | unlink $file ; |
89 | return $result; |
90 | } |
91 | |
6250ba0a |
92 | sub bad_one |
93 | { |
80a5d8e7 |
94 | unless ($bad_ones++) { |
95 | print STDERR <<EOM ; |
25268f15 |
96 | # |
80a5d8e7 |
97 | # Some older versions of Berkeley DB version 1 will fail db-recno |
98 | # tests 61, 63 and 65. |
99 | EOM |
100 | if ($^O eq 'darwin' |
101 | && $Config{db_version_major} == 1 |
102 | && $Config{db_version_minor} == 0 |
103 | && $Config{db_version_patch} == 0) { |
104 | print STDERR <<EOM ; |
105 | # |
106 | # For example Mac OS X 10.1.3 (or earlier) has such an old |
107 | # version of Berkeley DB. |
108 | EOM |
109 | } |
110 | |
111 | print STDERR <<EOM ; |
6250ba0a |
112 | # |
113 | # You can safely ignore the errors if you're never going to use the |
114 | # broken functionality (recno databases with a modified bval). |
115 | # Otherwise you'll have to upgrade your DB library. |
116 | # |
20896112 |
117 | # If you want to use Berkeley DB version 1, then 1.85 and 1.86 are the |
118 | # last versions that were released. Berkeley DB version 2 is continually |
119 | # being updated -- Check out http://www.sleepycat.com/ for more details. |
6250ba0a |
120 | # |
121 | EOM |
80a5d8e7 |
122 | } |
55d68b4a |
123 | } |
124 | |
77fd2717 |
125 | sub normalise |
126 | { |
127 | return unless $^O eq 'cygwin' ; |
128 | foreach (@_) |
129 | { s#\r\n#\n#g } |
130 | } |
131 | |
132 | BEGIN |
133 | { |
134 | { |
135 | local $SIG{__DIE__} ; |
136 | eval { require Data::Dumper ; import Data::Dumper } ; |
137 | } |
138 | |
139 | if ($@) { |
140 | *Dumper = sub { my $a = shift; return "[ @{ $a } ]" } ; |
141 | } |
142 | } |
143 | |
d85a743d |
144 | my $splice_tests = 10 + 11 + 1; # ten regressions, 11 warnings, plus the randoms |
c6c92ad9 |
145 | my $total_tests = 138 ; |
146 | $total_tests += $splice_tests if $FA ; |
147 | print "1..$total_tests\n"; |
55d68b4a |
148 | |
07200f1b |
149 | $Dfile = "recno.tmp"; |
55d68b4a |
150 | unlink $Dfile ; |
a0d0e21e |
151 | |
152 | umask(0); |
153 | |
154 | # Check the interface to RECNOINFO |
155 | |
07200f1b |
156 | $dbh = new DB_File::RECNOINFO ; |
3fe9a6f1 |
157 | ok(1, ! defined $dbh->{bval}) ; |
158 | ok(2, ! defined $dbh->{cachesize}) ; |
159 | ok(3, ! defined $dbh->{psize}) ; |
160 | ok(4, ! defined $dbh->{flags}) ; |
161 | ok(5, ! defined $dbh->{lorder}) ; |
162 | ok(6, ! defined $dbh->{reclen}) ; |
163 | ok(7, ! defined $dbh->{bfname}) ; |
a0d0e21e |
164 | |
165 | $dbh->{bval} = 3000 ; |
f6b705ef |
166 | ok(8, $dbh->{bval} == 3000 ); |
a0d0e21e |
167 | |
168 | $dbh->{cachesize} = 9000 ; |
f6b705ef |
169 | ok(9, $dbh->{cachesize} == 9000 ); |
a0d0e21e |
170 | |
171 | $dbh->{psize} = 400 ; |
f6b705ef |
172 | ok(10, $dbh->{psize} == 400 ); |
a0d0e21e |
173 | |
174 | $dbh->{flags} = 65 ; |
f6b705ef |
175 | ok(11, $dbh->{flags} == 65 ); |
a0d0e21e |
176 | |
177 | $dbh->{lorder} = 123 ; |
f6b705ef |
178 | ok(12, $dbh->{lorder} == 123 ); |
a0d0e21e |
179 | |
180 | $dbh->{reclen} = 1234 ; |
f6b705ef |
181 | ok(13, $dbh->{reclen} == 1234 ); |
a0d0e21e |
182 | |
183 | $dbh->{bfname} = 1234 ; |
f6b705ef |
184 | ok(14, $dbh->{bfname} == 1234 ); |
a0d0e21e |
185 | |
186 | |
187 | # Check that an invalid entry is caught both for store & fetch |
188 | eval '$dbh->{fred} = 1234' ; |
f6b705ef |
189 | ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ ); |
55d68b4a |
190 | eval 'my $q = $dbh->{fred}' ; |
f6b705ef |
191 | ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ ); |
a0d0e21e |
192 | |
193 | # Now check the interface to RECNOINFO |
194 | |
55d68b4a |
195 | my $X ; |
196 | my @h ; |
197 | ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; |
a0d0e21e |
198 | |
77fd2717 |
199 | my %noMode = map { $_, 1} qw( amigaos MSWin32 NetWare cygwin ) ; |
200 | |
d536870a |
201 | ok(18, ((stat($Dfile))[2] & 0777) == (($^O eq 'os2' || $^O eq 'MacOS') ? 0666 : 0640) |
77fd2717 |
202 | || $noMode{$^O} ); |
a0d0e21e |
203 | |
55d68b4a |
204 | #my $l = @h ; |
205 | my $l = $X->length ; |
045291aa |
206 | ok(19, ($FA ? @h == 0 : !$l) ); |
a0d0e21e |
207 | |
55d68b4a |
208 | my @data = qw( a b c d ever f g h i j k longername m n o p) ; |
a0d0e21e |
209 | |
210 | $h[0] = shift @data ; |
f6b705ef |
211 | ok(20, $h[0] eq 'a' ); |
a0d0e21e |
212 | |
55d68b4a |
213 | my $ i; |
a0d0e21e |
214 | foreach (@data) |
215 | { $h[++$i] = $_ } |
216 | |
217 | unshift (@data, 'a') ; |
218 | |
f6b705ef |
219 | ok(21, defined $h[1] ); |
220 | ok(22, ! defined $h[16] ); |
045291aa |
221 | ok(23, $FA ? @h == @data : $X->length == @data ); |
a0d0e21e |
222 | |
223 | |
224 | # Overwrite an entry & check fetch it |
225 | $h[3] = 'replaced' ; |
226 | $data[3] = 'replaced' ; |
f6b705ef |
227 | ok(24, $h[3] eq 'replaced' ); |
a0d0e21e |
228 | |
229 | #PUSH |
55d68b4a |
230 | my @push_data = qw(added to the end) ; |
045291aa |
231 | ($FA ? push(@h, @push_data) : $X->push(@push_data)) ; |
a0d0e21e |
232 | push (@data, @push_data) ; |
f6b705ef |
233 | ok(25, $h[++$i] eq 'added' ); |
234 | ok(26, $h[++$i] eq 'to' ); |
235 | ok(27, $h[++$i] eq 'the' ); |
236 | ok(28, $h[++$i] eq 'end' ); |
a0d0e21e |
237 | |
238 | # POP |
f6b705ef |
239 | my $popped = pop (@data) ; |
045291aa |
240 | my $value = ($FA ? pop @h : $X->pop) ; |
f6b705ef |
241 | ok(29, $value eq $popped) ; |
a0d0e21e |
242 | |
243 | # SHIFT |
045291aa |
244 | $value = ($FA ? shift @h : $X->shift) ; |
f6b705ef |
245 | my $shifted = shift @data ; |
246 | ok(30, $value eq $shifted ); |
a0d0e21e |
247 | |
248 | # UNSHIFT |
249 | |
250 | # empty list |
936edb8b |
251 | ($FA ? unshift @h,() : $X->unshift) ; |
045291aa |
252 | ok(31, ($FA ? @h == @data : $X->length == @data )); |
a0d0e21e |
253 | |
55d68b4a |
254 | my @new_data = qw(add this to the start of the array) ; |
045291aa |
255 | $FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ; |
a0d0e21e |
256 | unshift (@data, @new_data) ; |
045291aa |
257 | ok(32, $FA ? @h == @data : $X->length == @data ); |
f6b705ef |
258 | ok(33, $h[0] eq "add") ; |
259 | ok(34, $h[1] eq "this") ; |
260 | ok(35, $h[2] eq "to") ; |
261 | ok(36, $h[3] eq "the") ; |
262 | ok(37, $h[4] eq "start") ; |
263 | ok(38, $h[5] eq "of") ; |
264 | ok(39, $h[6] eq "the") ; |
265 | ok(40, $h[7] eq "array") ; |
266 | ok(41, $h[8] eq $data[8]) ; |
a0d0e21e |
267 | |
c6c92ad9 |
268 | # Brief test for SPLICE - more thorough 'soak test' is later. |
269 | my @old; |
270 | if ($FA) { |
271 | @old = splice(@h, 1, 2, qw(bananas just before)); |
272 | } |
273 | else { |
274 | @old = $X->splice(1, 2, qw(bananas just before)); |
275 | } |
276 | ok(42, $h[0] eq "add") ; |
277 | ok(43, $h[1] eq "bananas") ; |
278 | ok(44, $h[2] eq "just") ; |
279 | ok(45, $h[3] eq "before") ; |
280 | ok(46, $h[4] eq "the") ; |
281 | ok(47, $h[5] eq "start") ; |
282 | ok(48, $h[6] eq "of") ; |
283 | ok(49, $h[7] eq "the") ; |
284 | ok(50, $h[8] eq "array") ; |
285 | ok(51, $h[9] eq $data[8]) ; |
286 | $FA ? splice(@h, 1, 3, @old) : $X->splice(1, 3, @old); |
a0d0e21e |
287 | |
288 | # Now both arrays should be identical |
289 | |
55d68b4a |
290 | my $ok = 1 ; |
291 | my $j = 0 ; |
a0d0e21e |
292 | foreach (@data) |
293 | { |
294 | $ok = 0, last if $_ ne $h[$j ++] ; |
295 | } |
c6c92ad9 |
296 | ok(52, $ok ); |
a0d0e21e |
297 | |
55d68b4a |
298 | # Neagtive subscripts |
299 | |
300 | # get the last element of the array |
c6c92ad9 |
301 | ok(53, $h[-1] eq $data[-1] ); |
302 | ok(54, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] ); |
55d68b4a |
303 | |
304 | # get the first element using a negative subscript |
045291aa |
305 | eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ; |
c6c92ad9 |
306 | ok(55, $@ eq "" ); |
307 | ok(56, $h[0] eq "abcd" ); |
55d68b4a |
308 | |
309 | # now try to read before the start of the array |
045291aa |
310 | eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ; |
c6c92ad9 |
311 | ok(57, $@ =~ '^Modification of non-creatable array value attempted' ); |
55d68b4a |
312 | |
a0d0e21e |
313 | # IMPORTANT - $X must be undefined before the untie otherwise the |
314 | # underlying DB close routine will not get called. |
315 | undef $X ; |
316 | untie(@h); |
317 | |
318 | unlink $Dfile; |
319 | |
a6ed719b |
320 | |
36477c24 |
321 | { |
322 | # Check bval defaults to \n |
323 | |
324 | my @h = () ; |
325 | my $dbh = new DB_File::RECNOINFO ; |
c6c92ad9 |
326 | ok(58, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
327 | $h[0] = "abc" ; |
328 | $h[1] = "def" ; |
329 | $h[3] = "ghi" ; |
330 | untie @h ; |
a6ed719b |
331 | my $x = docat($Dfile) ; |
36477c24 |
332 | unlink $Dfile; |
77fd2717 |
333 | ok(59, $x eq "abc\ndef\n\nghi\n") ; |
36477c24 |
334 | } |
335 | |
336 | { |
337 | # Change bval |
338 | |
339 | my @h = () ; |
340 | my $dbh = new DB_File::RECNOINFO ; |
341 | $dbh->{bval} = "-" ; |
c6c92ad9 |
342 | ok(60, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
343 | $h[0] = "abc" ; |
344 | $h[1] = "def" ; |
345 | $h[3] = "ghi" ; |
346 | untie @h ; |
a6ed719b |
347 | my $x = docat($Dfile) ; |
36477c24 |
348 | unlink $Dfile; |
6250ba0a |
349 | my $ok = ($x eq "abc-def--ghi-") ; |
350 | bad_one() unless $ok ; |
c6c92ad9 |
351 | ok(61, $ok) ; |
36477c24 |
352 | } |
353 | |
354 | { |
355 | # Check R_FIXEDLEN with default bval (space) |
356 | |
357 | my @h = () ; |
358 | my $dbh = new DB_File::RECNOINFO ; |
359 | $dbh->{flags} = R_FIXEDLEN ; |
360 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
361 | ok(62, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
362 | $h[0] = "abc" ; |
363 | $h[1] = "def" ; |
364 | $h[3] = "ghi" ; |
365 | untie @h ; |
a6ed719b |
366 | my $x = docat($Dfile) ; |
36477c24 |
367 | unlink $Dfile; |
6250ba0a |
368 | my $ok = ($x eq "abc def ghi ") ; |
369 | bad_one() unless $ok ; |
c6c92ad9 |
370 | ok(63, $ok) ; |
36477c24 |
371 | } |
372 | |
373 | { |
374 | # Check R_FIXEDLEN with user-defined bval |
375 | |
376 | my @h = () ; |
377 | my $dbh = new DB_File::RECNOINFO ; |
378 | $dbh->{flags} = R_FIXEDLEN ; |
379 | $dbh->{bval} = "-" ; |
380 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
381 | ok(64, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
382 | $h[0] = "abc" ; |
383 | $h[1] = "def" ; |
384 | $h[3] = "ghi" ; |
385 | untie @h ; |
a6ed719b |
386 | my $x = docat($Dfile) ; |
36477c24 |
387 | unlink $Dfile; |
6250ba0a |
388 | my $ok = ($x eq "abc--def-------ghi--") ; |
389 | bad_one() unless $ok ; |
c6c92ad9 |
390 | ok(65, $ok) ; |
36477c24 |
391 | } |
392 | |
05475680 |
393 | { |
394 | # check that attempting to tie an associative array to a DB_RECNO will fail |
395 | |
396 | my $filename = "xyz" ; |
397 | my %x ; |
398 | eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ; |
c6c92ad9 |
399 | ok(66, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ; |
05475680 |
400 | unlink $filename ; |
401 | } |
402 | |
a6ed719b |
403 | { |
404 | # sub-class test |
405 | |
406 | package Another ; |
407 | |
3245f058 |
408 | use warnings ; |
a6ed719b |
409 | use strict ; |
410 | |
411 | open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; |
412 | print FILE <<'EOM' ; |
413 | |
414 | package SubDB ; |
415 | |
3245f058 |
416 | use warnings ; |
a6ed719b |
417 | use strict ; |
07200f1b |
418 | our (@ISA, @EXPORT); |
a6ed719b |
419 | |
420 | require Exporter ; |
421 | use DB_File; |
422 | @ISA=qw(DB_File); |
423 | @EXPORT = @DB_File::EXPORT ; |
424 | |
425 | sub STORE { |
426 | my $self = shift ; |
427 | my $key = shift ; |
428 | my $value = shift ; |
429 | $self->SUPER::STORE($key, $value * 2) ; |
430 | } |
431 | |
432 | sub FETCH { |
433 | my $self = shift ; |
434 | my $key = shift ; |
435 | $self->SUPER::FETCH($key) - 1 ; |
436 | } |
437 | |
438 | sub put { |
439 | my $self = shift ; |
440 | my $key = shift ; |
441 | my $value = shift ; |
442 | $self->SUPER::put($key, $value * 3) ; |
443 | } |
444 | |
445 | sub get { |
446 | my $self = shift ; |
447 | $self->SUPER::get($_[0], $_[1]) ; |
448 | $_[1] -= 2 ; |
449 | } |
450 | |
451 | sub A_new_method |
452 | { |
453 | my $self = shift ; |
454 | my $key = shift ; |
455 | my $value = $self->FETCH($key) ; |
456 | return "[[$value]]" ; |
457 | } |
458 | |
459 | 1 ; |
460 | EOM |
461 | |
05a54443 |
462 | close FILE or die "Could not close: $!"; |
a6ed719b |
463 | |
045291aa |
464 | BEGIN { push @INC, '.'; } |
a6ed719b |
465 | eval 'use SubDB ; '; |
c6c92ad9 |
466 | main::ok(67, $@ eq "") ; |
a6ed719b |
467 | my @h ; |
468 | my $X ; |
469 | eval ' |
470 | $X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO ); |
471 | ' ; |
05a54443 |
472 | die "Could not tie: $!" unless $X; |
a6ed719b |
473 | |
c6c92ad9 |
474 | main::ok(68, $@ eq "") ; |
a6ed719b |
475 | |
476 | my $ret = eval '$h[3] = 3 ; return $h[3] ' ; |
c6c92ad9 |
477 | main::ok(69, $@ eq "") ; |
478 | main::ok(70, $ret == 5) ; |
a6ed719b |
479 | |
480 | my $value = 0; |
481 | $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ; |
c6c92ad9 |
482 | main::ok(71, $@ eq "") ; |
483 | main::ok(72, $ret == 10) ; |
a6ed719b |
484 | |
485 | $ret = eval ' R_NEXT eq main::R_NEXT ' ; |
c6c92ad9 |
486 | main::ok(73, $@ eq "" ) ; |
487 | main::ok(74, $ret == 1) ; |
a6ed719b |
488 | |
489 | $ret = eval '$X->A_new_method(1) ' ; |
c6c92ad9 |
490 | main::ok(75, $@ eq "") ; |
491 | main::ok(76, $ret eq "[[11]]") ; |
a6ed719b |
492 | |
fac76ed7 |
493 | undef $X; |
494 | untie(@h); |
a6ed719b |
495 | unlink "SubDB.pm", "recno.tmp" ; |
496 | |
497 | } |
498 | |
045291aa |
499 | { |
500 | |
501 | # test $# |
502 | my $self ; |
503 | unlink $Dfile; |
c6c92ad9 |
504 | ok(77, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; |
045291aa |
505 | $h[0] = "abc" ; |
506 | $h[1] = "def" ; |
507 | $h[2] = "ghi" ; |
508 | $h[3] = "jkl" ; |
c6c92ad9 |
509 | ok(78, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
510 | undef $self ; |
511 | untie @h ; |
512 | my $x = docat($Dfile) ; |
c6c92ad9 |
513 | ok(79, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
514 | |
515 | # $# sets array to same length |
c6c92ad9 |
516 | ok(80, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
517 | if ($FA) |
518 | { $#h = 3 } |
519 | else |
520 | { $self->STORESIZE(4) } |
c6c92ad9 |
521 | ok(81, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
522 | undef $self ; |
523 | untie @h ; |
524 | $x = docat($Dfile) ; |
c6c92ad9 |
525 | ok(82, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
526 | |
527 | # $# sets array to bigger |
c6c92ad9 |
528 | ok(83, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
529 | if ($FA) |
530 | { $#h = 6 } |
531 | else |
532 | { $self->STORESIZE(7) } |
c6c92ad9 |
533 | ok(84, $FA ? $#h == 6 : $self->length() == 7) ; |
045291aa |
534 | undef $self ; |
535 | untie @h ; |
536 | $x = docat($Dfile) ; |
c6c92ad9 |
537 | ok(85, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ; |
045291aa |
538 | |
539 | # $# sets array smaller |
c6c92ad9 |
540 | ok(86, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
541 | if ($FA) |
542 | { $#h = 2 } |
543 | else |
544 | { $self->STORESIZE(3) } |
c6c92ad9 |
545 | ok(87, $FA ? $#h == 2 : $self->length() == 3) ; |
045291aa |
546 | undef $self ; |
547 | untie @h ; |
548 | $x = docat($Dfile) ; |
c6c92ad9 |
549 | ok(88, $x eq "abc\ndef\nghi\n") ; |
045291aa |
550 | |
551 | unlink $Dfile; |
552 | |
553 | |
554 | } |
555 | |
9fe6733a |
556 | { |
557 | # DBM Filter tests |
3245f058 |
558 | use warnings ; |
9fe6733a |
559 | use strict ; |
560 | my (@h, $db) ; |
561 | my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
562 | unlink $Dfile; |
563 | |
564 | sub checkOutput |
565 | { |
566 | my($fk, $sk, $fv, $sv) = @_ ; |
567 | return |
568 | $fetch_key eq $fk && $store_key eq $sk && |
569 | $fetch_value eq $fv && $store_value eq $sv && |
570 | $_ eq 'original' ; |
571 | } |
572 | |
c6c92ad9 |
573 | ok(89, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
574 | |
575 | $db->filter_fetch_key (sub { $fetch_key = $_ }) ; |
576 | $db->filter_store_key (sub { $store_key = $_ }) ; |
577 | $db->filter_fetch_value (sub { $fetch_value = $_}) ; |
578 | $db->filter_store_value (sub { $store_value = $_ }) ; |
579 | |
580 | $_ = "original" ; |
581 | |
582 | $h[0] = "joe" ; |
583 | # fk sk fv sv |
c6c92ad9 |
584 | ok(90, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
585 | |
586 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
587 | ok(91, $h[0] eq "joe"); |
9fe6733a |
588 | # fk sk fv sv |
c6c92ad9 |
589 | ok(92, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
590 | |
591 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
592 | ok(93, $db->FIRSTKEY() == 0) ; |
9fe6733a |
593 | # fk sk fv sv |
c6c92ad9 |
594 | ok(94, checkOutput( 0, "", "", "")) ; |
9fe6733a |
595 | |
596 | # replace the filters, but remember the previous set |
597 | my ($old_fk) = $db->filter_fetch_key |
598 | (sub { ++ $_ ; $fetch_key = $_ }) ; |
599 | my ($old_sk) = $db->filter_store_key |
600 | (sub { $_ *= 2 ; $store_key = $_ }) ; |
601 | my ($old_fv) = $db->filter_fetch_value |
602 | (sub { $_ = "[$_]"; $fetch_value = $_ }) ; |
603 | my ($old_sv) = $db->filter_store_value |
604 | (sub { s/o/x/g; $store_value = $_ }) ; |
605 | |
606 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
607 | $h[1] = "Joe" ; |
608 | # fk sk fv sv |
c6c92ad9 |
609 | ok(95, checkOutput( "", 2, "", "Jxe")) ; |
9fe6733a |
610 | |
611 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
612 | ok(96, $h[1] eq "[Jxe]"); |
9fe6733a |
613 | # fk sk fv sv |
c6c92ad9 |
614 | ok(97, checkOutput( "", 2, "[Jxe]", "")) ; |
9fe6733a |
615 | |
616 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
617 | ok(98, $db->FIRSTKEY() == 1) ; |
9fe6733a |
618 | # fk sk fv sv |
c6c92ad9 |
619 | ok(99, checkOutput( 1, "", "", "")) ; |
9fe6733a |
620 | |
621 | # put the original filters back |
622 | $db->filter_fetch_key ($old_fk); |
623 | $db->filter_store_key ($old_sk); |
624 | $db->filter_fetch_value ($old_fv); |
625 | $db->filter_store_value ($old_sv); |
626 | |
627 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
628 | $h[0] = "joe" ; |
c6c92ad9 |
629 | ok(100, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
630 | |
631 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
632 | ok(101, $h[0] eq "joe"); |
633 | ok(102, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
634 | |
635 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
636 | ok(103, $db->FIRSTKEY() == 0) ; |
637 | ok(104, checkOutput( 0, "", "", "")) ; |
9fe6733a |
638 | |
639 | # delete the filters |
640 | $db->filter_fetch_key (undef); |
641 | $db->filter_store_key (undef); |
642 | $db->filter_fetch_value (undef); |
643 | $db->filter_store_value (undef); |
644 | |
645 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
646 | $h[0] = "joe" ; |
c6c92ad9 |
647 | ok(105, checkOutput( "", "", "", "")) ; |
9fe6733a |
648 | |
649 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
650 | ok(106, $h[0] eq "joe"); |
651 | ok(107, checkOutput( "", "", "", "")) ; |
9fe6733a |
652 | |
653 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
654 | ok(108, $db->FIRSTKEY() == 0) ; |
655 | ok(109, checkOutput( "", "", "", "")) ; |
9fe6733a |
656 | |
657 | undef $db ; |
658 | untie @h; |
659 | unlink $Dfile; |
660 | } |
661 | |
662 | { |
663 | # DBM Filter with a closure |
664 | |
3245f058 |
665 | use warnings ; |
9fe6733a |
666 | use strict ; |
667 | my (@h, $db) ; |
668 | |
669 | unlink $Dfile; |
c6c92ad9 |
670 | ok(110, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
671 | |
672 | my %result = () ; |
673 | |
674 | sub Closure |
675 | { |
676 | my ($name) = @_ ; |
677 | my $count = 0 ; |
678 | my @kept = () ; |
679 | |
680 | return sub { ++$count ; |
681 | push @kept, $_ ; |
682 | $result{$name} = "$name - $count: [@kept]" ; |
683 | } |
684 | } |
685 | |
686 | $db->filter_store_key(Closure("store key")) ; |
687 | $db->filter_store_value(Closure("store value")) ; |
688 | $db->filter_fetch_key(Closure("fetch key")) ; |
689 | $db->filter_fetch_value(Closure("fetch value")) ; |
690 | |
691 | $_ = "original" ; |
692 | |
693 | $h[0] = "joe" ; |
c6c92ad9 |
694 | ok(111, $result{"store key"} eq "store key - 1: [0]"); |
695 | ok(112, $result{"store value"} eq "store value - 1: [joe]"); |
696 | ok(113, ! defined $result{"fetch key"} ); |
697 | ok(114, ! defined $result{"fetch value"} ); |
698 | ok(115, $_ eq "original") ; |
699 | |
700 | ok(116, $db->FIRSTKEY() == 0 ) ; |
701 | ok(117, $result{"store key"} eq "store key - 1: [0]"); |
702 | ok(118, $result{"store value"} eq "store value - 1: [joe]"); |
703 | ok(119, $result{"fetch key"} eq "fetch key - 1: [0]"); |
704 | ok(120, ! defined $result{"fetch value"} ); |
705 | ok(121, $_ eq "original") ; |
9fe6733a |
706 | |
707 | $h[7] = "john" ; |
c6c92ad9 |
708 | ok(122, $result{"store key"} eq "store key - 2: [0 7]"); |
709 | ok(123, $result{"store value"} eq "store value - 2: [joe john]"); |
710 | ok(124, $result{"fetch key"} eq "fetch key - 1: [0]"); |
711 | ok(125, ! defined $result{"fetch value"} ); |
712 | ok(126, $_ eq "original") ; |
713 | |
714 | ok(127, $h[0] eq "joe"); |
715 | ok(128, $result{"store key"} eq "store key - 3: [0 7 0]"); |
716 | ok(129, $result{"store value"} eq "store value - 2: [joe john]"); |
717 | ok(130, $result{"fetch key"} eq "fetch key - 1: [0]"); |
718 | ok(131, $result{"fetch value"} eq "fetch value - 1: [joe]"); |
719 | ok(132, $_ eq "original") ; |
9fe6733a |
720 | |
721 | undef $db ; |
722 | untie @h; |
723 | unlink $Dfile; |
724 | } |
725 | |
726 | { |
727 | # DBM Filter recursion detection |
3245f058 |
728 | use warnings ; |
9fe6733a |
729 | use strict ; |
730 | my (@h, $db) ; |
731 | unlink $Dfile; |
732 | |
c6c92ad9 |
733 | ok(133, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
734 | |
735 | $db->filter_store_key (sub { $_ = $h[0] }) ; |
736 | |
737 | eval '$h[1] = 1234' ; |
c6c92ad9 |
738 | ok(134, $@ =~ /^recursion detected in filter_store_key at/ ); |
9fe6733a |
739 | |
740 | undef $db ; |
741 | untie @h; |
742 | unlink $Dfile; |
743 | } |
744 | |
9b761c68 |
745 | |
746 | { |
747 | # Examples from the POD |
748 | |
749 | my $file = "xyzt" ; |
750 | { |
751 | my $redirect = new Redirect $file ; |
752 | |
3245f058 |
753 | use warnings FATAL => qw(all); |
9b761c68 |
754 | use strict ; |
755 | use DB_File ; |
756 | |
757 | my $filename = "text" ; |
758 | unlink $filename ; |
759 | |
760 | my @h ; |
761 | my $x = tie @h, "DB_File", $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO |
762 | or die "Cannot open file 'text': $!\n" ; |
763 | |
764 | # Add a few key/value pairs to the file |
765 | $h[0] = "orange" ; |
766 | $h[1] = "blue" ; |
767 | $h[2] = "yellow" ; |
768 | |
769 | $FA ? push @h, "green", "black" |
770 | : $x->push("green", "black") ; |
771 | |
772 | my $elements = $FA ? scalar @h : $x->length ; |
773 | print "The array contains $elements entries\n" ; |
774 | |
775 | my $last = $FA ? pop @h : $x->pop ; |
776 | print "popped $last\n" ; |
777 | |
778 | $FA ? unshift @h, "white" |
779 | : $x->unshift("white") ; |
780 | my $first = $FA ? shift @h : $x->shift ; |
781 | print "shifted $first\n" ; |
782 | |
783 | # Check for existence of a key |
784 | print "Element 1 Exists with value $h[1]\n" if $h[1] ; |
785 | |
786 | # use a negative index |
787 | print "The last element is $h[-1]\n" ; |
788 | print "The 2nd last element is $h[-2]\n" ; |
789 | |
790 | undef $x ; |
791 | untie @h ; |
792 | |
793 | unlink $filename ; |
794 | } |
795 | |
c6c92ad9 |
796 | ok(135, docat_del($file) eq <<'EOM') ; |
9b761c68 |
797 | The array contains 5 entries |
798 | popped black |
799 | shifted white |
800 | Element 1 Exists with value blue |
801 | The last element is green |
802 | The 2nd last element is yellow |
803 | EOM |
804 | |
805 | my $save_output = "xyzt" ; |
806 | { |
807 | my $redirect = new Redirect $save_output ; |
808 | |
3245f058 |
809 | use warnings FATAL => qw(all); |
9b761c68 |
810 | use strict ; |
07200f1b |
811 | our (@h, $H, $file, $i); |
9b761c68 |
812 | use DB_File ; |
813 | use Fcntl ; |
814 | |
815 | $file = "text" ; |
816 | |
817 | unlink $file ; |
818 | |
819 | $H = tie @h, "DB_File", $file, O_RDWR|O_CREAT, 0640, $DB_RECNO |
820 | or die "Cannot open file $file: $!\n" ; |
821 | |
822 | # first create a text file to play with |
823 | $h[0] = "zero" ; |
824 | $h[1] = "one" ; |
825 | $h[2] = "two" ; |
826 | $h[3] = "three" ; |
827 | $h[4] = "four" ; |
828 | |
829 | |
830 | # Print the records in order. |
831 | # |
832 | # The length method is needed here because evaluating a tied |
833 | # array in a scalar context does not return the number of |
834 | # elements in the array. |
835 | |
836 | print "\nORIGINAL\n" ; |
837 | foreach $i (0 .. $H->length - 1) { |
838 | print "$i: $h[$i]\n" ; |
839 | } |
840 | |
841 | # use the push & pop methods |
842 | $a = $H->pop ; |
843 | $H->push("last") ; |
844 | print "\nThe last record was [$a]\n" ; |
845 | |
846 | # and the shift & unshift methods |
847 | $a = $H->shift ; |
848 | $H->unshift("first") ; |
849 | print "The first record was [$a]\n" ; |
850 | |
851 | # Use the API to add a new record after record 2. |
852 | $i = 2 ; |
853 | $H->put($i, "Newbie", R_IAFTER) ; |
854 | |
855 | # and a new record before record 1. |
856 | $i = 1 ; |
857 | $H->put($i, "New One", R_IBEFORE) ; |
858 | |
859 | # delete record 3 |
860 | $H->del(3) ; |
861 | |
862 | # now print the records in reverse order |
863 | print "\nREVERSE\n" ; |
864 | for ($i = $H->length - 1 ; $i >= 0 ; -- $i) |
865 | { print "$i: $h[$i]\n" } |
866 | |
867 | # same again, but use the API functions instead |
868 | print "\nREVERSE again\n" ; |
869 | my ($s, $k, $v) = (0, 0, 0) ; |
870 | for ($s = $H->seq($k, $v, R_LAST) ; |
871 | $s == 0 ; |
872 | $s = $H->seq($k, $v, R_PREV)) |
873 | { print "$k: $v\n" } |
874 | |
875 | undef $H ; |
876 | untie @h ; |
877 | |
878 | unlink $file ; |
879 | } |
880 | |
c6c92ad9 |
881 | ok(136, docat_del($save_output) eq <<'EOM') ; |
9b761c68 |
882 | |
883 | ORIGINAL |
884 | 0: zero |
885 | 1: one |
886 | 2: two |
887 | 3: three |
888 | 4: four |
889 | |
890 | The last record was [four] |
891 | The first record was [zero] |
892 | |
893 | REVERSE |
894 | 5: last |
895 | 4: three |
896 | 3: Newbie |
897 | 2: one |
898 | 1: New One |
899 | 0: first |
900 | |
901 | REVERSE again |
902 | 5: last |
903 | 4: three |
904 | 3: Newbie |
905 | 2: one |
906 | 1: New One |
907 | 0: first |
908 | EOM |
909 | |
910 | } |
911 | |
cbc5248d |
912 | { |
913 | # Bug ID 20001013.009 |
914 | # |
915 | # test that $hash{KEY} = undef doesn't produce the warning |
916 | # Use of uninitialized value in null operation |
917 | use warnings ; |
918 | use strict ; |
919 | use DB_File ; |
920 | |
921 | unlink $Dfile; |
922 | my @h ; |
923 | my $a = ""; |
924 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
925 | |
3245f058 |
926 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
cbc5248d |
927 | or die "Can't open file: $!\n" ; |
928 | $h[0] = undef; |
c6c92ad9 |
929 | ok(137, $a eq "") ; |
3245f058 |
930 | untie @h ; |
931 | unlink $Dfile; |
932 | } |
933 | |
934 | { |
935 | # test that %hash = () doesn't produce the warning |
936 | # Argument "" isn't numeric in entersub |
937 | use warnings ; |
938 | use strict ; |
939 | use DB_File ; |
940 | my $a = ""; |
941 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
942 | |
943 | unlink $Dfile; |
944 | my @h ; |
945 | |
946 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
947 | or die "Can't open file: $!\n" ; |
948 | @h = (); ; |
c6c92ad9 |
949 | ok(138, $a eq "") ; |
3245f058 |
950 | untie @h ; |
cbc5248d |
951 | unlink $Dfile; |
952 | } |
953 | |
c6c92ad9 |
954 | # Only test splice if this is a newish version of Perl |
955 | exit unless $FA ; |
956 | |
957 | # Test SPLICE |
d85a743d |
958 | |
959 | { |
960 | # check that the splice warnings are under the same lexical control |
961 | # as their non-tied counterparts. |
962 | |
963 | use warnings; |
964 | use strict; |
965 | |
966 | my $a = ''; |
967 | my @a = (1); |
968 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
969 | |
970 | unlink $Dfile; |
971 | my @tied ; |
972 | |
973 | tie @tied, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
974 | or die "Can't open file: $!\n" ; |
975 | |
976 | # uninitialized offset |
977 | use warnings; |
978 | my $offset ; |
979 | $a = ''; |
980 | splice(@a, $offset); |
981 | ok(139, $a =~ /^Use of uninitialized value /); |
982 | $a = ''; |
983 | splice(@tied, $offset); |
984 | ok(140, $a =~ /^Use of uninitialized value in splice/); |
985 | |
986 | no warnings 'uninitialized'; |
987 | $a = ''; |
988 | splice(@a, $offset); |
989 | ok(141, $a eq ''); |
990 | $a = ''; |
991 | splice(@tied, $offset); |
992 | ok(142, $a eq ''); |
993 | |
994 | # uninitialized length |
995 | use warnings; |
996 | my $length ; |
997 | $a = ''; |
998 | splice(@a, 0, $length); |
999 | ok(143, $a =~ /^Use of uninitialized value /); |
1000 | $a = ''; |
1001 | splice(@tied, 0, $length); |
1002 | ok(144, $a =~ /^Use of uninitialized value in splice/); |
1003 | |
1004 | no warnings 'uninitialized'; |
1005 | $a = ''; |
1006 | splice(@a, 0, $length); |
1007 | ok(145, $a eq ''); |
1008 | $a = ''; |
1009 | splice(@tied, 0, $length); |
1010 | ok(146, $a eq ''); |
1011 | |
1012 | # offset past end of array |
1013 | use warnings; |
1014 | $a = ''; |
1015 | splice(@a, 3); |
1016 | my $splice_end_array = ($a =~ /^splice\(\) offset past end of array/); |
1017 | $a = ''; |
1018 | splice(@tied, 3); |
1019 | ok(147, !$splice_end_array || $a =~ /^splice\(\) offset past end of array/); |
1020 | |
1021 | no warnings 'misc'; |
1022 | $a = ''; |
1023 | splice(@a, 3); |
1024 | ok(148, $a eq ''); |
1025 | $a = ''; |
1026 | splice(@tied, 3); |
1027 | ok(149, $a eq ''); |
1028 | |
1029 | untie @tied; |
1030 | unlink $Dfile; |
1031 | } |
1032 | |
c6c92ad9 |
1033 | # |
1034 | # These are a few regression tests: bundles of five arguments to pass |
1035 | # to test_splice(). The first four arguments correspond to those |
1036 | # given to splice(), and the last says which context to call it in |
1037 | # (scalar, list or void). |
1038 | # |
1039 | # The expected result is not needed because we get that by running |
1040 | # Perl's built-in splice(). |
1041 | # |
1042 | my @tests = ([ [ 'falsely', 'dinosaur', 'remedy', 'commotion', |
1043 | 'rarely', 'paleness' ], |
1044 | -4, -2, |
1045 | [ 'redoubled', 'Taylorize', 'Zoe', 'halogen' ], |
1046 | 'void' ], |
1047 | |
1048 | [ [ 'a' ], -2, 1, [ 'B' ], 'void' ], |
1049 | |
1050 | [ [ 'Hartley', 'Islandia', 'assents', 'wishful' ], |
1051 | 0, -4, |
1052 | [ 'maids' ], |
1053 | 'void' ], |
1054 | |
1055 | [ [ 'visibility', 'pocketful', 'rectangles' ], |
1056 | -10, 0, |
1057 | [ 'garbages' ], |
1058 | 'void' ], |
1059 | |
1060 | [ [ 'sleeplessly' ], |
1061 | 8, -4, |
1062 | [ 'Margery', 'clearing', 'repercussion', 'clubs', |
1063 | 'arise' ], |
1064 | 'void' ], |
1065 | |
1066 | [ [ 'chastises', 'recalculates' ], |
1067 | 0, 0, |
1068 | [ 'momentariness', 'mediates', 'accents', 'toils', |
1069 | 'regaled' ], |
1070 | 'void' ], |
1071 | |
1072 | [ [ 'b', '' ], |
1073 | 9, 8, |
1074 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
1075 | 'scalar' ], |
1076 | |
1077 | [ [ 'b', '' ], |
1078 | undef, undef, |
1079 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
1080 | 'scalar' ], |
1081 | |
1082 | [ [ 'riheb' ], -8, undef, [], 'void' ], |
1083 | |
1084 | [ [ 'uft', 'qnxs', '' ], |
1085 | 6, -2, |
1086 | [ 'znp', 'mhnkh', 'bn' ], |
1087 | 'void' ], |
1088 | ); |
1089 | |
d85a743d |
1090 | my $testnum = 150; |
c6c92ad9 |
1091 | my $failed = 0; |
1092 | require POSIX; my $tmp = POSIX::tmpnam(); |
1093 | foreach my $test (@tests) { |
1094 | my $err = test_splice(@$test); |
1095 | if (defined $err) { |
77fd2717 |
1096 | print STDERR "# failed: ", Dumper($test); |
1097 | print STDERR "# error: $err\n"; |
c6c92ad9 |
1098 | $failed = 1; |
1099 | ok($testnum++, 0); |
1100 | } |
1101 | else { ok($testnum++, 1) } |
1102 | } |
1103 | |
1104 | if ($failed) { |
1105 | # Not worth running the random ones |
77fd2717 |
1106 | print STDERR '# skipping ', $testnum++, "\n"; |
c6c92ad9 |
1107 | } |
1108 | else { |
1109 | # A thousand randomly-generated tests |
1110 | $failed = 0; |
1111 | srand(0); |
1112 | foreach (0 .. 1000 - 1) { |
1113 | my $test = rand_test(); |
1114 | my $err = test_splice(@$test); |
1115 | if (defined $err) { |
77fd2717 |
1116 | print STDERR "# failed: ", Dumper($test); |
1117 | print STDERR "# error: $err\n"; |
c6c92ad9 |
1118 | $failed = 1; |
77fd2717 |
1119 | print STDERR "# skipping any remaining random tests\n"; |
c6c92ad9 |
1120 | last; |
1121 | } |
1122 | } |
1123 | |
1124 | ok($testnum++, not $failed); |
1125 | } |
1126 | |
1127 | die if $testnum != $total_tests + 1; |
1128 | |
a0d0e21e |
1129 | exit ; |
c6c92ad9 |
1130 | |
1131 | # Subroutines for SPLICE testing |
1132 | |
1133 | # test_splice() |
1134 | # |
1135 | # Test the new splice() against Perl's built-in one. The first four |
1136 | # parameters are those passed to splice(), except that the lists must |
1137 | # be (explicitly) passed by reference, and are not actually modified. |
1138 | # (It's just a test!) The last argument specifies the context in |
1139 | # which to call the functions: 'list', 'scalar', or 'void'. |
1140 | # |
1141 | # Returns: |
1142 | # undef, if the two splices give the same results for the given |
1143 | # arguments and context; |
1144 | # |
1145 | # an error message showing the difference, otherwise. |
1146 | # |
1147 | # Reads global variable $tmp. |
1148 | # |
1149 | sub test_splice { |
1150 | die 'usage: test_splice(array, offset, length, list, context)' if @_ != 5; |
1151 | my ($array, $offset, $length, $list, $context) = @_; |
1152 | my @array = @$array; |
1153 | my @list = @$list; |
1154 | |
a109f988 |
1155 | unlink $tmp; |
c6c92ad9 |
1156 | |
1157 | my @h; |
a109f988 |
1158 | my $H = tie @h, 'DB_File', $tmp, O_CREAT|O_RDWR, 0644, $DB_RECNO |
c6c92ad9 |
1159 | or die "cannot open $tmp: $!"; |
a109f988 |
1160 | |
1161 | my $i = 0; |
1162 | foreach ( @array ) { $h[$i++] = $_ } |
c6c92ad9 |
1163 | |
1164 | return "basic DB_File sanity check failed" |
1165 | if list_diff(\@array, \@h); |
1166 | |
1167 | # Output from splice(): |
1168 | # Returned value (munged a bit), error msg, warnings |
1169 | # |
1170 | my ($s_r, $s_error, @s_warnings); |
1171 | |
1172 | my $gather_warning = sub { push @s_warnings, $_[0] }; |
1173 | if ($context eq 'list') { |
1174 | my @r; |
1175 | eval { |
1176 | local $SIG{__WARN__} = $gather_warning; |
1177 | @r = splice @array, $offset, $length, @list; |
1178 | }; |
1179 | $s_error = $@; |
1180 | $s_r = \@r; |
1181 | } |
1182 | elsif ($context eq 'scalar') { |
1183 | my $r; |
1184 | eval { |
1185 | local $SIG{__WARN__} = $gather_warning; |
1186 | $r = splice @array, $offset, $length, @list; |
1187 | }; |
1188 | $s_error = $@; |
1189 | $s_r = [ $r ]; |
1190 | } |
1191 | elsif ($context eq 'void') { |
1192 | eval { |
1193 | local $SIG{__WARN__} = $gather_warning; |
1194 | splice @array, $offset, $length, @list; |
1195 | }; |
1196 | $s_error = $@; |
1197 | $s_r = []; |
1198 | } |
1199 | else { |
1200 | die "bad context $context"; |
1201 | } |
1202 | |
1203 | foreach ($s_error, @s_warnings) { |
1204 | chomp; |
1205 | s/ at \S+ line \d+\.$//; |
1206 | } |
1207 | |
1208 | # Now do the same for DB_File's version of splice |
1209 | my ($ms_r, $ms_error, @ms_warnings); |
1210 | $gather_warning = sub { push @ms_warnings, $_[0] }; |
1211 | if ($context eq 'list') { |
1212 | my @r; |
1213 | eval { |
1214 | local $SIG{__WARN__} = $gather_warning; |
1215 | @r = splice @h, $offset, $length, @list; |
1216 | }; |
1217 | $ms_error = $@; |
1218 | $ms_r = \@r; |
1219 | } |
1220 | elsif ($context eq 'scalar') { |
1221 | my $r; |
1222 | eval { |
1223 | local $SIG{__WARN__} = $gather_warning; |
1224 | $r = splice @h, $offset, $length, @list; |
1225 | }; |
1226 | $ms_error = $@; |
1227 | $ms_r = [ $r ]; |
1228 | } |
1229 | elsif ($context eq 'void') { |
1230 | eval { |
1231 | local $SIG{__WARN__} = $gather_warning; |
1232 | splice @h, $offset, $length, @list; |
1233 | }; |
1234 | $ms_error = $@; |
1235 | $ms_r = []; |
1236 | } |
1237 | else { |
1238 | die "bad context $context"; |
1239 | } |
1240 | |
1241 | foreach ($ms_error, @ms_warnings) { |
1242 | chomp; |
d85a743d |
1243 | s/ at \S+ line \d+\.?.*//s; |
c6c92ad9 |
1244 | } |
1245 | |
1246 | return "different errors: '$s_error' vs '$ms_error'" |
1247 | if $s_error ne $ms_error; |
1248 | return('different return values: ' . Dumper($s_r) . ' vs ' . Dumper($ms_r)) |
1249 | if list_diff($s_r, $ms_r); |
1250 | return('different changed list: ' . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1251 | if list_diff(\@array, \@h); |
1252 | |
1253 | if ((scalar @s_warnings) != (scalar @ms_warnings)) { |
1254 | return 'different number of warnings'; |
1255 | } |
1256 | |
1257 | while (@s_warnings) { |
1258 | my $sw = shift @s_warnings; |
1259 | my $msw = shift @ms_warnings; |
1260 | |
1261 | if (defined $sw and defined $msw) { |
1262 | $msw =~ s/ \(.+\)$//; |
1263 | $msw =~ s/ in splice$// if $] < 5.006; |
1264 | if ($sw ne $msw) { |
1265 | return "different warning: '$sw' vs '$msw'"; |
1266 | } |
1267 | } |
1268 | elsif (not defined $sw and not defined $msw) { |
1269 | # Okay. |
1270 | } |
1271 | else { |
1272 | return "one warning defined, another undef"; |
1273 | } |
1274 | } |
1275 | |
1276 | undef $H; |
1277 | untie @h; |
1278 | |
1279 | open(TEXT, $tmp) or die "cannot open $tmp: $!"; |
77fd2717 |
1280 | @h = <TEXT>; normalise @h; chomp @h; |
c6c92ad9 |
1281 | close TEXT or die "cannot close $tmp: $!"; |
1282 | return('list is different when re-read from disk: ' |
1283 | . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1284 | if list_diff(\@array, \@h); |
1285 | |
1286 | return undef; # success |
1287 | } |
1288 | |
1289 | |
1290 | # list_diff() |
1291 | # |
1292 | # Do two lists differ? |
1293 | # |
1294 | # Parameters: |
1295 | # reference to first list |
1296 | # reference to second list |
1297 | # |
1298 | # Returns true iff they differ. Only works for lists of (string or |
1299 | # undef). |
1300 | # |
1301 | # Surely there is a better way to do this? |
1302 | # |
1303 | sub list_diff { |
1304 | die 'usage: list_diff(ref to first list, ref to second list)' |
1305 | if @_ != 2; |
1306 | my ($a, $b) = @_; |
1307 | my @a = @$a; my @b = @$b; |
1308 | return 1 if (scalar @a) != (scalar @b); |
1309 | for (my $i = 0; $i < @a; $i++) { |
1310 | my ($ae, $be) = ($a[$i], $b[$i]); |
1311 | if (defined $ae and defined $be) { |
1312 | return 1 if $ae ne $be; |
1313 | } |
1314 | elsif (not defined $ae and not defined $be) { |
1315 | # Two undefined values are 'equal' |
1316 | } |
1317 | else { |
1318 | return 1; |
1319 | } |
1320 | } |
1321 | return 0; |
1322 | } |
1323 | |
1324 | |
1325 | # rand_test() |
1326 | # |
1327 | # Think up a random ARRAY, OFFSET, LENGTH, LIST, and context. |
1328 | # ARRAY or LIST might be empty, and OFFSET or LENGTH might be |
1329 | # undefined. Return a 'test' - a listref of these five things. |
1330 | # |
1331 | sub rand_test { |
1332 | die 'usage: rand_test()' if @_; |
1333 | my @contexts = qw<list scalar void>; |
1334 | my $context = $contexts[int(rand @contexts)]; |
1335 | return [ rand_list(), |
1336 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1337 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1338 | rand_list(), |
1339 | $context ]; |
1340 | } |
1341 | |
1342 | |
1343 | sub rand_list { |
1344 | die 'usage: rand_list()' if @_; |
1345 | my @r; |
1346 | |
1347 | while (rand() > 0.1 * (scalar @r + 1)) { |
1348 | push @r, rand_word(); |
1349 | } |
1350 | return \@r; |
1351 | } |
1352 | |
1353 | |
1354 | sub rand_word { |
1355 | die 'usage: rand_word()' if @_; |
1356 | my $r = ''; |
1357 | my @chars = qw<a b c d e f g h i j k l m n o p q r s t u v w x y z>; |
1358 | while (rand() > 0.1 * (length($r) + 1)) { |
1359 | $r .= $chars[int(rand(scalar @chars))]; |
1360 | } |
1361 | return $r; |
1362 | } |