Commit | Line | Data |
c95f170b |
1 | #!./perl |
2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = '../lib'; |
6 | } |
7 | |
8 | use Test::More tests => 106; |
9 | |
10 | # must happen at compile time for DB:: package variable localizations to work |
11 | BEGIN { |
12 | use_ok( 'DB' ); |
13 | } |
14 | |
15 | # test DB::sub() |
16 | { |
17 | my $callflag = 0; |
18 | local $DB::sub = sub { |
19 | $callflag += shift || 1; |
20 | my @vals = (1, 4, 9); |
21 | return @vals; |
22 | }; |
23 | my $ret = DB::sub; |
24 | is( $ret, 3, 'DB::sub() should handle scalar context' ); |
25 | is( $callflag, 1, '... should call $DB::sub contents' ); |
26 | $ret = join(' ', DB::sub(2)); |
27 | is( $ret, '1 4 9', '... should handle scalar context' ); |
28 | is( $callflag, 3, '... should pass along arguments to the sub' ); |
29 | ok( defined($DB::ret),'$DB::ret should be defined after successful return'); |
30 | DB::sub; |
31 | ok( !defined($DB::ret), '... should respect void context' ); |
32 | $DB::sub = '::DESTROY'; |
33 | ok( !defined($DB::ret), '... should return undef for DESTROY()' ); |
34 | } |
35 | |
36 | # test DB::DB() |
37 | { |
38 | ok( ! defined DB::DB(), |
39 | 'DB::DB() should return undef if $DB::ready is false'); |
40 | is( DB::catch(), 1, 'DB::catch() should work' ); |
41 | is( DB->skippkg('foo'), 1, 'DB->skippkg() should push args' ); |
42 | |
43 | # change packages to mess with caller() |
44 | package foo; |
45 | ::ok( ! defined DB::DB(), 'DB::DB() should skip skippable packages' ); |
46 | |
47 | package main; |
48 | is( $DB::filename, $0, '... should set $DB::filename' ); |
49 | is( $DB::lineno, __LINE__ - 4, '... should set $DB::lineno' ); |
50 | |
51 | DB::DB(); |
52 | # stops at line 94 |
53 | } |
54 | |
55 | # test DB::save() |
56 | { |
57 | # assigning a number to $! seems to produce an error message, when read |
58 | local ($@, $,, $/, $\, $^W, $!) = (1 .. 5); |
59 | DB::save(); |
60 | is( "$@$!$,$/$\$^W", "1\n0", 'DB::save() should reset punctuation vars' ); |
61 | } |
62 | |
63 | # test DB::catch() |
64 | { |
65 | local $DB::signal; |
66 | DB::catch(); |
67 | ok( $DB::signal, 'DB::catch() should set $DB::signal' ); |
68 | # add clients and test to see if they are awakened |
69 | } |
70 | |
71 | # test DB::_clientname() |
72 | is( DB::_clientname('foo=A(1)'), 'foo','DB::_clientname should return refname'); |
73 | is( DB::_clientname('bar'), '','DB::_clientname should not return non refname'); |
74 | |
75 | # test DB::next() and DB::step() |
76 | { |
77 | local $DB::single; |
78 | DB->next(); |
79 | is( $DB::single, 2, 'DB->next() should set $DB::single to 2' ); |
80 | DB->step(); |
81 | is( $DB::single, 1, 'DB->step() should set $DB::single to 1' ); |
82 | } |
83 | |
84 | # test DB::cont() |
85 | { |
86 | # cannot test @stack |
87 | |
88 | local $DB::single = 1; |
89 | my $fdb = FakeDB->new(); |
90 | DB::cont($fdb, 2); |
91 | is( $fdb->{tbreak}, 2, 'DB::cont() should set tbreak in object' ); |
92 | is( $DB::single, 0, '... should set $DB::single to 0' ); |
93 | } |
94 | |
95 | # test DB::ret() |
96 | { |
97 | # cannot test @stack |
98 | |
99 | local $DB::single = 1; |
100 | DB::ret(); |
101 | is( $DB::single, 0, 'DB::ret() should set $DB::single to 0' ); |
102 | } |
103 | |
104 | # test DB::backtrace() |
105 | { |
106 | local (@DB::args, $DB::signal); |
107 | |
108 | my $line = __LINE__ + 1; |
109 | my @ret = eval { DB->backtrace() }; |
110 | like( $ret[0], qr/file.+$0/, 'DB::backtrace() should report current file'); |
111 | like( $ret[0], qr/line $line/, '... should report calling line number' ); |
112 | like( $ret[0], qr/eval {...}/, '... should catch eval BLOCK' ); |
113 | |
114 | @ret = eval "one(2)"; |
115 | is( scalar @ret, 1, '... should report from provided stack frame number' ); |
116 | like( $ret[0], qr/\@ = &eval \'one.+?2\)\'/, #' |
117 | '... should find eval STRING construct'); |
118 | $ret[0] = check_context(1); |
119 | like( $ret[0], qr/\$ = &main::check_context/, |
120 | '... should respect context of calling construct'); |
121 | |
122 | $DB::signal = 1; |
123 | @DB::args = (1, 7); |
124 | @ret = three(1); |
125 | is( scalar @ret, 1, '... should end loop if $DB::signal is true' ); |
126 | |
127 | # does not check 'require' or @DB::args mangling |
128 | } |
129 | |
130 | sub check_context { |
131 | return (eval "one($_[0])")[-1]; |
132 | } |
133 | sub one { DB->backtrace(@_) } |
134 | sub two { one(@_) } |
135 | sub three { two(@_) } |
136 | |
137 | # test DB::trace_toggle |
138 | { |
139 | local $DB::trace = 0; |
140 | DB->trace_toggle; |
141 | ok( $DB::trace, 'DB::trace_toggle() should toggle $DB::trace' ); |
142 | DB->trace_toggle; |
143 | ok( !$DB::trace, '... should toggle $DB::trace (back)' ); |
144 | } |
145 | |
146 | # test DB::subs() |
147 | { |
148 | local %DB::sub; |
149 | my $subs = DB->subs; |
150 | is( $subs, 0, 'DB::subs() should return keys of %DB::subs' ); |
151 | %DB::sub = ( foo => 'foo:23-45' , bar => 'ba:r:7-890' ); |
152 | $subs = DB->subs; |
153 | is( $subs, 2, '... same song, different key' ); |
154 | my @subs = DB->subs( 'foo', 'boo', 'bar' ); |
155 | is( scalar @subs, 2, '... should report only for requested subs' ); |
156 | my @expected = ( [ 'foo', 23, 45 ], [ 'ba:r', 7, 890 ] ); |
157 | ok( eq_array( \@subs, \@expected ), '... find file, start, end for subs' ); |
158 | } |
159 | |
160 | # test DB::filesubs() |
161 | { |
162 | local ($DB::filename, %DB::sub); |
163 | $DB::filename = 'baz'; |
164 | %DB::sub = map { $_ => $_ } qw( bazbar bazboo boobar booboo boobaz ); |
165 | my @ret = DB->filesubs(); |
166 | is( scalar @ret, 2, 'DB::filesubs() should use $DB::filename with no args'); |
167 | @ret = grep { /^baz/ } @ret; |
168 | is( scalar @ret, 2, '... should pick up subs in proper file' ); |
169 | @ret = DB->filesubs('boo'); |
170 | is( scalar @ret, 3, '... should use argument to find subs' ); |
171 | @ret = grep { /^boo/ } @ret; |
172 | is( scalar @ret, 3, '... should pick up subs in proper file with argument'); |
173 | } |
174 | |
175 | # test DB::files() |
176 | { |
177 | my $dbf = () = DB::files(); |
178 | my $main = () = grep ( m!^_<!, keys %main:: ); |
179 | is( $dbf, $main, 'DB::files() should pick up filenames from %main::' ); |
180 | } |
181 | |
182 | # test DB::lines() |
183 | { |
184 | local @DB::dbline = ( 'foo' ); |
185 | is( DB->lines->[0], 'foo', 'DB::lines() should return ref to @DB::dbline' ); |
186 | } |
187 | |
188 | # test DB::loadfile() |
189 | SKIP: { |
190 | local (*DB::dbline, $DB::filename); |
191 | ok( ! defined DB->loadfile('notafile'), |
192 | 'DB::loadfile() should not find unloaded file' ); |
193 | my $file = (grep { m|^_<.+\.pm| } keys %main:: )[0]; |
194 | skip('cannot find loaded file', 3) unless $file; |
195 | $file =~ s/^_<..//; |
196 | |
197 | my $db = DB->loadfile($file); |
198 | like( $db, qr!$file\z!, '... should find loaded file from partial name'); |
199 | is( *DB::dbline, *{ "_<$db" } , |
200 | '... should set *DB::dbline to associated glob'); |
201 | is( $DB::filename, $db, '... should set $DB::filename to file name' ); |
202 | |
203 | # test clients |
204 | } |
205 | |
206 | # test DB::lineevents() |
207 | { |
208 | local $DB::filename = 'baz'; |
209 | local *baz = *{ "main::_<baz" }; |
210 | @baz = ( 1 .. 5 ); |
211 | %baz = ( |
212 | 1 => "foo\0bar", |
213 | 3 => "boo\0far", |
214 | 4 => "fazbaz", |
215 | ); |
216 | my %ret = DB->lineevents(); |
217 | is( scalar keys %ret, 3, 'DB::lineevents() should pick up defined lines' ); |
218 | |
219 | # array access in DB::lineevents() starts at element 1, not 0 |
220 | is( join(' ', @{ $ret{1} }), '2 foo bar', '... should stash data in hash'); |
221 | } |
222 | |
223 | # test DB::set_break() |
224 | { |
225 | local ($DB::lineno, *DB::dbline, $DB::package); |
226 | |
227 | %DB::dbline = ( |
228 | 1 => "\0", |
229 | 2 => undef, |
230 | 3 => "123\0\0\0abc", |
231 | 4 => "\0abc", |
232 | ); |
233 | |
234 | *DB::dbline = [ 0, 1, 0, 0, 1 ]; |
235 | |
236 | local %DB::sub = ( |
237 | 'main::foo' => 'foo:1-4', |
238 | ); |
239 | |
240 | DB->set_break(1, 'foo'); |
241 | is( $DB::dbline{1}, "foo\0", 'DB::set_break() should set break condition' ); |
242 | |
243 | $DB::lineno = 1; |
244 | DB->set_break(undef, 'bar'); |
245 | is( $DB::dbline{1}, "bar\0", |
246 | '... should use $DB::lineno without specified line' ); |
247 | |
248 | DB->set_break(4); |
249 | is( $DB::dbline{4}, "1\0abc", '... should use default condition if needed'); |
250 | |
251 | local %DB::sub = ( |
252 | 'main::foo' => 'foo:1-4', |
253 | ); |
254 | DB->set_break('foo', 'baz'); |
255 | is( $DB::dbline{4}, "baz\0abc", |
256 | '... should use _find_subline() to resolve subname' ); |
257 | |
258 | my $db = FakeDB->new(); |
259 | DB::set_break($db, 2); |
260 | like( $db->{output}, qr/2 not break/, '... should respect @DB::dbline' ); |
261 | |
262 | DB::set_break($db, 'nonfoo'); |
263 | like( $db->{output}, qr/not found/, '... should warn on unfound sub' ); |
264 | } |
265 | |
266 | # test DB::set_tbreak() |
267 | { |
268 | local ($DB::lineno, *DB::dbline, $DB::package); |
269 | *DB::dbline = [ 0, 1, 0, 0, 1 ]; |
270 | |
271 | DB->set_tbreak(1); |
272 | is( $DB::dbline{1}, ';9', 'DB::set_tbreak() should set tbreak condition' ); |
273 | |
274 | local %DB::sub = ( |
275 | 'main::foo' => 'foo:1-4', |
276 | ); |
277 | DB->set_tbreak('foo', 'baz'); |
278 | is( $DB::dbline{4}, ';9', |
279 | '... should use _find_subline() to resolve subname' ); |
280 | |
281 | my $db = FakeDB->new(); |
282 | DB::set_tbreak($db, 2); |
283 | like( $db->{output}, qr/2 not break/, '... should respect @DB::dbline' ); |
284 | |
285 | DB::set_break($db, 'nonfoo'); |
286 | like( $db->{output}, qr/not found/, '... should warn on unfound sub' ); |
287 | } |
288 | |
289 | # test DB::_find_subline() |
290 | { |
291 | my @foo; |
292 | local *{ "::_<foo" } = \@foo; |
293 | |
294 | local $DB::package; |
295 | local %DB::sub = ( |
296 | 'TEST::foo' => 'foo:10-15', |
297 | 'main::foo' => 'foo:11-12', |
298 | 'bar::bar' => 'foo:10-16', |
299 | ); |
300 | |
301 | $foo[11] = 1; |
302 | |
303 | is( DB::_find_subline('TEST::foo'), 11, |
304 | 'DB::_find_subline() should find fully qualified sub' ); |
305 | is( DB::_find_subline("TEST'foo"), 11, '... should handle old package sep'); |
306 | is( DB::_find_subline('foo'), 11, |
307 | '... should resolve unqualified package name to main::' ); |
308 | |
309 | $DB::package = 'bar'; |
310 | is( DB::_find_subline('bar'), 11, |
311 | '... should resolve unqualified name with $DB::package, if defined' ); |
312 | |
313 | $foo[11] = 0; |
314 | |
315 | is( DB::_find_subline('TEST::foo'), 15, |
316 | '... should increment past lines with no events' ); |
317 | |
318 | ok( ! defined DB::_find_subline('sirnotappearinginthisfilm'), |
319 | '... should not find nonexistant sub' ); |
320 | } |
321 | |
322 | # test DB::clr_breaks() |
323 | { |
324 | local *DB::dbline; |
325 | my %lines = ( |
326 | 1 => "\0", |
327 | 2 => undef, |
328 | 3 => "123\0\0\0abc", |
329 | 4 => "\0\0\0abc", |
330 | ); |
331 | |
332 | %DB::dbline = %lines; |
333 | DB->clr_breaks(1 .. 4); |
334 | is( scalar keys %DB::dbline, 3, 'DB::clr_breaks() should clear breaks' ); |
335 | ok( ! exists($DB::dbline{1}), '... should delete empty actions' ); |
336 | is( $DB::dbline{3}, "\0\0\0abc", '... should remove break, leaving action'); |
337 | is( $DB::dbline{4}, "\0\0\0abc", '... should not remove set actions' ); |
338 | |
339 | local *{ "::_<foo" } = [ 0, 0, 0, 1 ]; |
340 | |
341 | local $DB::package; |
342 | local %DB::sub = ( |
343 | 'main::foo' => 'foo:1-3', |
344 | ); |
345 | |
346 | %DB::dbline = %lines; |
347 | DB->clr_breaks('foo'); |
348 | |
349 | is( $DB::dbline{3}, "\0\0\0abc", |
350 | '... should find lines via _find_subline()' ); |
351 | |
352 | my $db = FakeDB->new(); |
353 | DB::clr_breaks($db, 'abadsubname'); |
354 | is( $db->{output}, "Subroutine not found.\n", |
355 | '... should output warning if sub cannot be found'); |
356 | |
357 | @DB::dbline = (1 .. 4); |
358 | %DB::dbline = (%lines, 5 => "\0" ); |
359 | |
360 | DB::clr_breaks(); |
361 | |
362 | is( scalar keys %DB::dbline, 4, |
363 | 'Relying on @DB::dbline in DB::clr_breaks() should clear breaks' ); |
364 | ok( ! exists($DB::dbline{1}), '... should delete empty actions' ); |
365 | is( $DB::dbline{3}, "\0\0\0abc", '... should remove break, leaving action'); |
366 | is( $DB::dbline{4}, "\0\0\0abc", '... should not remove set actions' ); |
367 | ok( exists($DB::dbline{5}), |
368 | '... should only go to last index of @DB::dbline' ); |
369 | } |
370 | |
371 | # test DB::set_action() |
372 | { |
373 | local *DB::dbline; |
374 | |
375 | %DB::dbline = ( |
376 | 2 => "\0abc", |
377 | ); |
378 | |
379 | *DB::dbline = [ 0, 0, 1, 1 ]; |
380 | |
381 | DB->set_action(2, 'def'); |
382 | is( $DB::dbline{2}, "\0def", |
383 | 'DB::set_action() should replace existing action' ); |
384 | DB->set_action(3, ''); |
385 | is( $DB::dbline{3}, "\0", '... should set new action' ); |
386 | |
387 | my $db = FakeDB->new(); |
388 | DB::set_action($db, 'abadsubname'); |
389 | is( $db->{output}, "Subroutine not found.\n", |
390 | '... should output warning if sub cannot be found'); |
391 | |
392 | DB::set_action($db, 1); |
393 | like( $db->{output}, qr/1 not action/, |
394 | '... should warn if line cannot be actionivated' ); |
395 | } |
396 | |
397 | # test DB::clr_actions() |
398 | { |
399 | local *DB::dbline; |
400 | my %lines = ( |
401 | 1 => "\0", |
402 | 2 => undef, |
403 | 3 => "123\0abc", |
404 | 4 => "abc\0", |
405 | ); |
406 | |
407 | %DB::dbline = %lines; |
408 | *DB::dbline = [ 1, 1, 1, 1 ]; |
409 | |
410 | DB->clr_actions(1 .. 4); |
411 | |
412 | is( scalar keys %DB::dbline, 2, 'DB::clr_actions() should clear actions' ); |
413 | ok( ! exists($DB::dbline{1}), '... should delete empty actions' ); |
414 | is( $DB::dbline{3}, "123", '... should remove action, leaving break'); |
415 | is( $DB::dbline{4}, "abc\0", '... should not remove set breaks' ); |
416 | |
417 | local *{ "::_<foo" } = [ 0, 0, 0, 1 ]; |
418 | |
419 | local $DB::package; |
420 | local %DB::sub = ( |
421 | 'main::foo' => 'foo:1-3', |
422 | ); |
423 | |
424 | %DB::dbline = %lines; |
425 | DB->clr_actions('foo'); |
426 | |
427 | is( $DB::dbline{3}, "123", '... should find lines via _find_subline()' ); |
428 | |
429 | my $db = FakeDB->new(); |
430 | DB::clr_actions($db, 'abadsubname'); |
431 | is( $db->{output}, "Subroutine not found.\n", |
432 | '... should output warning if sub cannot be found'); |
433 | |
434 | @DB::dbline = (1 .. 4); |
435 | %DB::dbline = (%lines, 5 => "\0" ); |
436 | |
437 | DB::clr_actions(); |
438 | |
439 | is( scalar keys %DB::dbline, 4, |
440 | 'Relying on @DB::dbline in DB::clr_actions() should clear actions' ); |
441 | ok( ! exists($DB::dbline{1}), '... should delete empty actions' ); |
442 | is( $DB::dbline{3}, "123", '... should remove action, leaving break'); |
443 | is( $DB::dbline{4}, "abc\0", '... should not remove set breaks' ); |
444 | ok( exists($DB::dbline{5}), |
445 | '... should only go to last index of @DB::dbline' ); |
446 | } |
447 | |
448 | # test DB::prestop() |
449 | ok( ! defined DB::prestop('test'), |
450 | 'DB::prestop() should return undef for undef value' ); |
451 | DB::prestop('test', 897); |
452 | is( DB::prestop('test'), 897, '... should return value when set' ); |
453 | |
454 | # test DB::poststop(), not exactly parallel |
455 | ok( ! defined DB::poststop('tset'), |
456 | 'DB::prestop() should return undef for undef value' ); |
457 | DB::poststop('tset', 987); |
458 | is( DB::poststop('tset'), 987, '... should return value when set' ); |
459 | |
460 | # test DB::evalcode() |
461 | ok( ! defined DB::evalcode('foo'), |
462 | 'DB::evalcode() should return undef for undef value' ); |
463 | |
464 | DB::evalcode('foo', 'bar'); |
465 | is( DB::evalcode('foo'), 'bar', '... should return value when set' ); |
466 | |
467 | # test DB::_outputall(), must create fake clients first |
468 | ok( DB::register( FakeDB->new() ), 'DB::register() should work' ); |
469 | DB::register( FakeDB->new() ) for ( 1 .. 2); |
470 | |
471 | DB::_outputall(1, 2, 3); |
472 | is( $FakeDB::output, '123123123', |
473 | 'DB::_outputall() should call output(@_) on all clients' ); |
474 | |
475 | # test virtual methods |
476 | for my $method (qw( cprestop cpoststop awaken init stop idle cleanup output )) { |
477 | ok( defined &{ "DB::$method" }, "DB::$method() should be defined" ); |
478 | } |
479 | |
480 | # DB::skippkg() uses lexical |
481 | # DB::ready() uses lexical |
482 | |
483 | package FakeDB; |
484 | |
485 | use vars qw( $output ); |
486 | |
487 | sub new { |
488 | bless({}, $_[0]); |
489 | } |
490 | |
491 | sub set_tbreak { |
492 | my ($self, $val) = @_; |
493 | $self->{tbreak} = $val; |
494 | } |
495 | |
496 | sub output { |
497 | my $self = shift; |
498 | if (ref $self) { |
499 | $self->{output} = join('', @_); |
500 | } else { |
501 | $output .= join('', @_); |
502 | } |
503 | } |