Commit | Line | Data |
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1 | #!./perl -w |
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2 | |
3 | BEGIN { |
88587957 |
4 | chdir 't' if -d 't'; |
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5 | @INC = '../lib'; |
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6 | require Config; import Config; |
7 | if ($Config{'extensions'} !~ /\bDB_File\b/) { |
45c0de28 |
8 | print "1..0 # Skip: DB_File was not built\n"; |
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9 | exit 0; |
10 | } |
11 | } |
12 | |
13 | use DB_File; |
14 | use Fcntl; |
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15 | use strict ; |
3245f058 |
16 | use warnings; |
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17 | use vars qw($dbh $Dfile $bad_ones $FA) ; |
18 | |
19 | # full tied array support started in Perl 5.004_57 |
a9fd575d |
20 | # Double check to see if it is available. |
21 | |
22 | { |
23 | sub try::TIEARRAY { bless [], "try" } |
24 | sub try::FETCHSIZE { $FA = 1 } |
25 | $FA = 0 ; |
26 | my @a ; |
27 | tie @a, 'try' ; |
28 | my $a = @a ; |
29 | } |
30 | |
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31 | |
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32 | sub ok |
33 | { |
34 | my $no = shift ; |
35 | my $result = shift ; |
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36 | |
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37 | print "not " unless $result ; |
38 | print "ok $no\n" ; |
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39 | |
40 | return $result ; |
41 | } |
42 | |
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43 | { |
44 | package Redirect ; |
45 | use Symbol ; |
46 | |
47 | sub new |
48 | { |
49 | my $class = shift ; |
50 | my $filename = shift ; |
51 | my $fh = gensym ; |
52 | open ($fh, ">$filename") || die "Cannot open $filename: $!" ; |
53 | my $real_stdout = select($fh) ; |
54 | return bless [$fh, $real_stdout ] ; |
55 | |
56 | } |
57 | sub DESTROY |
58 | { |
59 | my $self = shift ; |
60 | close $self->[0] ; |
61 | select($self->[1]) ; |
62 | } |
63 | } |
64 | |
65 | sub docat |
66 | { |
67 | my $file = shift; |
68 | local $/ = undef; |
69 | open(CAT,$file) || die "Cannot open $file:$!"; |
70 | my $result = <CAT>; |
71 | close(CAT); |
72 | return $result; |
73 | } |
74 | |
75 | sub docat_del |
76 | { |
77 | my $file = shift; |
78 | local $/ = undef; |
79 | open(CAT,$file) || die "Cannot open $file: $!"; |
80 | my $result = <CAT>; |
81 | close(CAT); |
82 | unlink $file ; |
83 | return $result; |
84 | } |
85 | |
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86 | sub bad_one |
87 | { |
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88 | print STDERR <<EOM unless $bad_ones++ ; |
89 | # |
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90 | # Some older versions of Berkeley DB version 1 will fail tests 51, |
91 | # 53 and 55. |
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92 | # |
93 | # You can safely ignore the errors if you're never going to use the |
94 | # broken functionality (recno databases with a modified bval). |
95 | # Otherwise you'll have to upgrade your DB library. |
96 | # |
20896112 |
97 | # If you want to use Berkeley DB version 1, then 1.85 and 1.86 are the |
98 | # last versions that were released. Berkeley DB version 2 is continually |
99 | # being updated -- Check out http://www.sleepycat.com/ for more details. |
6250ba0a |
100 | # |
101 | EOM |
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102 | } |
103 | |
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104 | my $splice_tests = 10 + 1; # ten regressions, plus the randoms |
105 | my $total_tests = 138 ; |
106 | $total_tests += $splice_tests if $FA ; |
107 | print "1..$total_tests\n"; |
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108 | |
109 | my $Dfile = "recno.tmp"; |
110 | unlink $Dfile ; |
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111 | |
112 | umask(0); |
113 | |
114 | # Check the interface to RECNOINFO |
115 | |
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116 | my $dbh = new DB_File::RECNOINFO ; |
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117 | ok(1, ! defined $dbh->{bval}) ; |
118 | ok(2, ! defined $dbh->{cachesize}) ; |
119 | ok(3, ! defined $dbh->{psize}) ; |
120 | ok(4, ! defined $dbh->{flags}) ; |
121 | ok(5, ! defined $dbh->{lorder}) ; |
122 | ok(6, ! defined $dbh->{reclen}) ; |
123 | ok(7, ! defined $dbh->{bfname}) ; |
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124 | |
125 | $dbh->{bval} = 3000 ; |
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126 | ok(8, $dbh->{bval} == 3000 ); |
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127 | |
128 | $dbh->{cachesize} = 9000 ; |
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129 | ok(9, $dbh->{cachesize} == 9000 ); |
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130 | |
131 | $dbh->{psize} = 400 ; |
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132 | ok(10, $dbh->{psize} == 400 ); |
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133 | |
134 | $dbh->{flags} = 65 ; |
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135 | ok(11, $dbh->{flags} == 65 ); |
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136 | |
137 | $dbh->{lorder} = 123 ; |
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138 | ok(12, $dbh->{lorder} == 123 ); |
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139 | |
140 | $dbh->{reclen} = 1234 ; |
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141 | ok(13, $dbh->{reclen} == 1234 ); |
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142 | |
143 | $dbh->{bfname} = 1234 ; |
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144 | ok(14, $dbh->{bfname} == 1234 ); |
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145 | |
146 | |
147 | # Check that an invalid entry is caught both for store & fetch |
148 | eval '$dbh->{fred} = 1234' ; |
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149 | ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ ); |
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150 | eval 'my $q = $dbh->{fred}' ; |
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151 | ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ ); |
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152 | |
153 | # Now check the interface to RECNOINFO |
154 | |
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155 | my $X ; |
156 | my @h ; |
157 | ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; |
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158 | |
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159 | ok(18, ((stat($Dfile))[2] & 0777) == (($^O eq 'os2' || $^O eq 'MacOS') ? 0666 : 0640) |
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160 | || $^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'cygwin' || $^O eq 'amigaos') ; |
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161 | |
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162 | #my $l = @h ; |
163 | my $l = $X->length ; |
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164 | ok(19, ($FA ? @h == 0 : !$l) ); |
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165 | |
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166 | my @data = qw( a b c d ever f g h i j k longername m n o p) ; |
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167 | |
168 | $h[0] = shift @data ; |
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169 | ok(20, $h[0] eq 'a' ); |
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170 | |
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171 | my $ i; |
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172 | foreach (@data) |
173 | { $h[++$i] = $_ } |
174 | |
175 | unshift (@data, 'a') ; |
176 | |
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177 | ok(21, defined $h[1] ); |
178 | ok(22, ! defined $h[16] ); |
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179 | ok(23, $FA ? @h == @data : $X->length == @data ); |
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180 | |
181 | |
182 | # Overwrite an entry & check fetch it |
183 | $h[3] = 'replaced' ; |
184 | $data[3] = 'replaced' ; |
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185 | ok(24, $h[3] eq 'replaced' ); |
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186 | |
187 | #PUSH |
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188 | my @push_data = qw(added to the end) ; |
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189 | ($FA ? push(@h, @push_data) : $X->push(@push_data)) ; |
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190 | push (@data, @push_data) ; |
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191 | ok(25, $h[++$i] eq 'added' ); |
192 | ok(26, $h[++$i] eq 'to' ); |
193 | ok(27, $h[++$i] eq 'the' ); |
194 | ok(28, $h[++$i] eq 'end' ); |
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195 | |
196 | # POP |
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197 | my $popped = pop (@data) ; |
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198 | my $value = ($FA ? pop @h : $X->pop) ; |
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199 | ok(29, $value eq $popped) ; |
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200 | |
201 | # SHIFT |
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202 | $value = ($FA ? shift @h : $X->shift) ; |
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203 | my $shifted = shift @data ; |
204 | ok(30, $value eq $shifted ); |
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205 | |
206 | # UNSHIFT |
207 | |
208 | # empty list |
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209 | ($FA ? unshift @h,() : $X->unshift) ; |
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210 | ok(31, ($FA ? @h == @data : $X->length == @data )); |
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211 | |
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212 | my @new_data = qw(add this to the start of the array) ; |
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213 | $FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ; |
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214 | unshift (@data, @new_data) ; |
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215 | ok(32, $FA ? @h == @data : $X->length == @data ); |
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216 | ok(33, $h[0] eq "add") ; |
217 | ok(34, $h[1] eq "this") ; |
218 | ok(35, $h[2] eq "to") ; |
219 | ok(36, $h[3] eq "the") ; |
220 | ok(37, $h[4] eq "start") ; |
221 | ok(38, $h[5] eq "of") ; |
222 | ok(39, $h[6] eq "the") ; |
223 | ok(40, $h[7] eq "array") ; |
224 | ok(41, $h[8] eq $data[8]) ; |
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225 | |
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226 | # Brief test for SPLICE - more thorough 'soak test' is later. |
227 | my @old; |
228 | if ($FA) { |
229 | @old = splice(@h, 1, 2, qw(bananas just before)); |
230 | } |
231 | else { |
232 | @old = $X->splice(1, 2, qw(bananas just before)); |
233 | } |
234 | ok(42, $h[0] eq "add") ; |
235 | ok(43, $h[1] eq "bananas") ; |
236 | ok(44, $h[2] eq "just") ; |
237 | ok(45, $h[3] eq "before") ; |
238 | ok(46, $h[4] eq "the") ; |
239 | ok(47, $h[5] eq "start") ; |
240 | ok(48, $h[6] eq "of") ; |
241 | ok(49, $h[7] eq "the") ; |
242 | ok(50, $h[8] eq "array") ; |
243 | ok(51, $h[9] eq $data[8]) ; |
244 | $FA ? splice(@h, 1, 3, @old) : $X->splice(1, 3, @old); |
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245 | |
246 | # Now both arrays should be identical |
247 | |
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248 | my $ok = 1 ; |
249 | my $j = 0 ; |
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250 | foreach (@data) |
251 | { |
252 | $ok = 0, last if $_ ne $h[$j ++] ; |
253 | } |
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254 | ok(52, $ok ); |
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255 | |
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256 | # Neagtive subscripts |
257 | |
258 | # get the last element of the array |
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259 | ok(53, $h[-1] eq $data[-1] ); |
260 | ok(54, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] ); |
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261 | |
262 | # get the first element using a negative subscript |
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263 | eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ; |
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264 | ok(55, $@ eq "" ); |
265 | ok(56, $h[0] eq "abcd" ); |
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266 | |
267 | # now try to read before the start of the array |
045291aa |
268 | eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ; |
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269 | ok(57, $@ =~ '^Modification of non-creatable array value attempted' ); |
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270 | |
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271 | # IMPORTANT - $X must be undefined before the untie otherwise the |
272 | # underlying DB close routine will not get called. |
273 | undef $X ; |
274 | untie(@h); |
275 | |
276 | unlink $Dfile; |
277 | |
a6ed719b |
278 | |
36477c24 |
279 | { |
280 | # Check bval defaults to \n |
281 | |
282 | my @h = () ; |
283 | my $dbh = new DB_File::RECNOINFO ; |
c6c92ad9 |
284 | ok(58, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
285 | $h[0] = "abc" ; |
286 | $h[1] = "def" ; |
287 | $h[3] = "ghi" ; |
288 | untie @h ; |
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289 | my $x = docat($Dfile) ; |
36477c24 |
290 | unlink $Dfile; |
13d11c6e |
291 | ok(59, $x eq "abc\ndef\n\nghi\n" || |
292 | $x eq "abc\r\ndef\r\n\r\nghi\r\n") ; |
36477c24 |
293 | } |
294 | |
295 | { |
296 | # Change bval |
297 | |
298 | my @h = () ; |
299 | my $dbh = new DB_File::RECNOINFO ; |
300 | $dbh->{bval} = "-" ; |
c6c92ad9 |
301 | ok(60, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
302 | $h[0] = "abc" ; |
303 | $h[1] = "def" ; |
304 | $h[3] = "ghi" ; |
305 | untie @h ; |
a6ed719b |
306 | my $x = docat($Dfile) ; |
36477c24 |
307 | unlink $Dfile; |
6250ba0a |
308 | my $ok = ($x eq "abc-def--ghi-") ; |
309 | bad_one() unless $ok ; |
c6c92ad9 |
310 | ok(61, $ok) ; |
36477c24 |
311 | } |
312 | |
313 | { |
314 | # Check R_FIXEDLEN with default bval (space) |
315 | |
316 | my @h = () ; |
317 | my $dbh = new DB_File::RECNOINFO ; |
318 | $dbh->{flags} = R_FIXEDLEN ; |
319 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
320 | ok(62, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
321 | $h[0] = "abc" ; |
322 | $h[1] = "def" ; |
323 | $h[3] = "ghi" ; |
324 | untie @h ; |
a6ed719b |
325 | my $x = docat($Dfile) ; |
36477c24 |
326 | unlink $Dfile; |
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327 | my $ok = ($x eq "abc def ghi ") ; |
328 | bad_one() unless $ok ; |
c6c92ad9 |
329 | ok(63, $ok) ; |
36477c24 |
330 | } |
331 | |
332 | { |
333 | # Check R_FIXEDLEN with user-defined bval |
334 | |
335 | my @h = () ; |
336 | my $dbh = new DB_File::RECNOINFO ; |
337 | $dbh->{flags} = R_FIXEDLEN ; |
338 | $dbh->{bval} = "-" ; |
339 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
340 | ok(64, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
341 | $h[0] = "abc" ; |
342 | $h[1] = "def" ; |
343 | $h[3] = "ghi" ; |
344 | untie @h ; |
a6ed719b |
345 | my $x = docat($Dfile) ; |
36477c24 |
346 | unlink $Dfile; |
6250ba0a |
347 | my $ok = ($x eq "abc--def-------ghi--") ; |
348 | bad_one() unless $ok ; |
c6c92ad9 |
349 | ok(65, $ok) ; |
36477c24 |
350 | } |
351 | |
05475680 |
352 | { |
353 | # check that attempting to tie an associative array to a DB_RECNO will fail |
354 | |
355 | my $filename = "xyz" ; |
356 | my %x ; |
357 | eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ; |
c6c92ad9 |
358 | ok(66, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ; |
05475680 |
359 | unlink $filename ; |
360 | } |
361 | |
a6ed719b |
362 | { |
363 | # sub-class test |
364 | |
365 | package Another ; |
366 | |
3245f058 |
367 | use warnings ; |
a6ed719b |
368 | use strict ; |
369 | |
370 | open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; |
371 | print FILE <<'EOM' ; |
372 | |
373 | package SubDB ; |
374 | |
3245f058 |
375 | use warnings ; |
a6ed719b |
376 | use strict ; |
377 | use vars qw( @ISA @EXPORT) ; |
378 | |
379 | require Exporter ; |
380 | use DB_File; |
381 | @ISA=qw(DB_File); |
382 | @EXPORT = @DB_File::EXPORT ; |
383 | |
384 | sub STORE { |
385 | my $self = shift ; |
386 | my $key = shift ; |
387 | my $value = shift ; |
388 | $self->SUPER::STORE($key, $value * 2) ; |
389 | } |
390 | |
391 | sub FETCH { |
392 | my $self = shift ; |
393 | my $key = shift ; |
394 | $self->SUPER::FETCH($key) - 1 ; |
395 | } |
396 | |
397 | sub put { |
398 | my $self = shift ; |
399 | my $key = shift ; |
400 | my $value = shift ; |
401 | $self->SUPER::put($key, $value * 3) ; |
402 | } |
403 | |
404 | sub get { |
405 | my $self = shift ; |
406 | $self->SUPER::get($_[0], $_[1]) ; |
407 | $_[1] -= 2 ; |
408 | } |
409 | |
410 | sub A_new_method |
411 | { |
412 | my $self = shift ; |
413 | my $key = shift ; |
414 | my $value = $self->FETCH($key) ; |
415 | return "[[$value]]" ; |
416 | } |
417 | |
418 | 1 ; |
419 | EOM |
420 | |
421 | close FILE ; |
422 | |
045291aa |
423 | BEGIN { push @INC, '.'; } |
a6ed719b |
424 | eval 'use SubDB ; '; |
c6c92ad9 |
425 | main::ok(67, $@ eq "") ; |
a6ed719b |
426 | my @h ; |
427 | my $X ; |
428 | eval ' |
429 | $X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO ); |
430 | ' ; |
431 | |
c6c92ad9 |
432 | main::ok(68, $@ eq "") ; |
a6ed719b |
433 | |
434 | my $ret = eval '$h[3] = 3 ; return $h[3] ' ; |
c6c92ad9 |
435 | main::ok(69, $@ eq "") ; |
436 | main::ok(70, $ret == 5) ; |
a6ed719b |
437 | |
438 | my $value = 0; |
439 | $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ; |
c6c92ad9 |
440 | main::ok(71, $@ eq "") ; |
441 | main::ok(72, $ret == 10) ; |
a6ed719b |
442 | |
443 | $ret = eval ' R_NEXT eq main::R_NEXT ' ; |
c6c92ad9 |
444 | main::ok(73, $@ eq "" ) ; |
445 | main::ok(74, $ret == 1) ; |
a6ed719b |
446 | |
447 | $ret = eval '$X->A_new_method(1) ' ; |
c6c92ad9 |
448 | main::ok(75, $@ eq "") ; |
449 | main::ok(76, $ret eq "[[11]]") ; |
a6ed719b |
450 | |
fac76ed7 |
451 | undef $X; |
452 | untie(@h); |
a6ed719b |
453 | unlink "SubDB.pm", "recno.tmp" ; |
454 | |
455 | } |
456 | |
045291aa |
457 | { |
458 | |
459 | # test $# |
460 | my $self ; |
461 | unlink $Dfile; |
c6c92ad9 |
462 | ok(77, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; |
045291aa |
463 | $h[0] = "abc" ; |
464 | $h[1] = "def" ; |
465 | $h[2] = "ghi" ; |
466 | $h[3] = "jkl" ; |
c6c92ad9 |
467 | ok(78, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
468 | undef $self ; |
469 | untie @h ; |
470 | my $x = docat($Dfile) ; |
c6c92ad9 |
471 | ok(79, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
472 | |
473 | # $# sets array to same length |
c6c92ad9 |
474 | ok(80, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
475 | if ($FA) |
476 | { $#h = 3 } |
477 | else |
478 | { $self->STORESIZE(4) } |
c6c92ad9 |
479 | ok(81, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
480 | undef $self ; |
481 | untie @h ; |
482 | $x = docat($Dfile) ; |
c6c92ad9 |
483 | ok(82, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
484 | |
485 | # $# sets array to bigger |
c6c92ad9 |
486 | ok(83, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
487 | if ($FA) |
488 | { $#h = 6 } |
489 | else |
490 | { $self->STORESIZE(7) } |
c6c92ad9 |
491 | ok(84, $FA ? $#h == 6 : $self->length() == 7) ; |
045291aa |
492 | undef $self ; |
493 | untie @h ; |
494 | $x = docat($Dfile) ; |
c6c92ad9 |
495 | ok(85, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ; |
045291aa |
496 | |
497 | # $# sets array smaller |
c6c92ad9 |
498 | ok(86, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
499 | if ($FA) |
500 | { $#h = 2 } |
501 | else |
502 | { $self->STORESIZE(3) } |
c6c92ad9 |
503 | ok(87, $FA ? $#h == 2 : $self->length() == 3) ; |
045291aa |
504 | undef $self ; |
505 | untie @h ; |
506 | $x = docat($Dfile) ; |
c6c92ad9 |
507 | ok(88, $x eq "abc\ndef\nghi\n") ; |
045291aa |
508 | |
509 | unlink $Dfile; |
510 | |
511 | |
512 | } |
513 | |
9fe6733a |
514 | { |
515 | # DBM Filter tests |
3245f058 |
516 | use warnings ; |
9fe6733a |
517 | use strict ; |
518 | my (@h, $db) ; |
519 | my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
520 | unlink $Dfile; |
521 | |
522 | sub checkOutput |
523 | { |
524 | my($fk, $sk, $fv, $sv) = @_ ; |
525 | return |
526 | $fetch_key eq $fk && $store_key eq $sk && |
527 | $fetch_value eq $fv && $store_value eq $sv && |
528 | $_ eq 'original' ; |
529 | } |
530 | |
c6c92ad9 |
531 | ok(89, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
532 | |
533 | $db->filter_fetch_key (sub { $fetch_key = $_ }) ; |
534 | $db->filter_store_key (sub { $store_key = $_ }) ; |
535 | $db->filter_fetch_value (sub { $fetch_value = $_}) ; |
536 | $db->filter_store_value (sub { $store_value = $_ }) ; |
537 | |
538 | $_ = "original" ; |
539 | |
540 | $h[0] = "joe" ; |
541 | # fk sk fv sv |
c6c92ad9 |
542 | ok(90, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
543 | |
544 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
545 | ok(91, $h[0] eq "joe"); |
9fe6733a |
546 | # fk sk fv sv |
c6c92ad9 |
547 | ok(92, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
548 | |
549 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
550 | ok(93, $db->FIRSTKEY() == 0) ; |
9fe6733a |
551 | # fk sk fv sv |
c6c92ad9 |
552 | ok(94, checkOutput( 0, "", "", "")) ; |
9fe6733a |
553 | |
554 | # replace the filters, but remember the previous set |
555 | my ($old_fk) = $db->filter_fetch_key |
556 | (sub { ++ $_ ; $fetch_key = $_ }) ; |
557 | my ($old_sk) = $db->filter_store_key |
558 | (sub { $_ *= 2 ; $store_key = $_ }) ; |
559 | my ($old_fv) = $db->filter_fetch_value |
560 | (sub { $_ = "[$_]"; $fetch_value = $_ }) ; |
561 | my ($old_sv) = $db->filter_store_value |
562 | (sub { s/o/x/g; $store_value = $_ }) ; |
563 | |
564 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
565 | $h[1] = "Joe" ; |
566 | # fk sk fv sv |
c6c92ad9 |
567 | ok(95, checkOutput( "", 2, "", "Jxe")) ; |
9fe6733a |
568 | |
569 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
570 | ok(96, $h[1] eq "[Jxe]"); |
9fe6733a |
571 | # fk sk fv sv |
c6c92ad9 |
572 | ok(97, checkOutput( "", 2, "[Jxe]", "")) ; |
9fe6733a |
573 | |
574 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
575 | ok(98, $db->FIRSTKEY() == 1) ; |
9fe6733a |
576 | # fk sk fv sv |
c6c92ad9 |
577 | ok(99, checkOutput( 1, "", "", "")) ; |
9fe6733a |
578 | |
579 | # put the original filters back |
580 | $db->filter_fetch_key ($old_fk); |
581 | $db->filter_store_key ($old_sk); |
582 | $db->filter_fetch_value ($old_fv); |
583 | $db->filter_store_value ($old_sv); |
584 | |
585 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
586 | $h[0] = "joe" ; |
c6c92ad9 |
587 | ok(100, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
588 | |
589 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
590 | ok(101, $h[0] eq "joe"); |
591 | ok(102, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
592 | |
593 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
594 | ok(103, $db->FIRSTKEY() == 0) ; |
595 | ok(104, checkOutput( 0, "", "", "")) ; |
9fe6733a |
596 | |
597 | # delete the filters |
598 | $db->filter_fetch_key (undef); |
599 | $db->filter_store_key (undef); |
600 | $db->filter_fetch_value (undef); |
601 | $db->filter_store_value (undef); |
602 | |
603 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
604 | $h[0] = "joe" ; |
c6c92ad9 |
605 | ok(105, checkOutput( "", "", "", "")) ; |
9fe6733a |
606 | |
607 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
608 | ok(106, $h[0] eq "joe"); |
609 | ok(107, checkOutput( "", "", "", "")) ; |
9fe6733a |
610 | |
611 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
612 | ok(108, $db->FIRSTKEY() == 0) ; |
613 | ok(109, checkOutput( "", "", "", "")) ; |
9fe6733a |
614 | |
615 | undef $db ; |
616 | untie @h; |
617 | unlink $Dfile; |
618 | } |
619 | |
620 | { |
621 | # DBM Filter with a closure |
622 | |
3245f058 |
623 | use warnings ; |
9fe6733a |
624 | use strict ; |
625 | my (@h, $db) ; |
626 | |
627 | unlink $Dfile; |
c6c92ad9 |
628 | ok(110, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
629 | |
630 | my %result = () ; |
631 | |
632 | sub Closure |
633 | { |
634 | my ($name) = @_ ; |
635 | my $count = 0 ; |
636 | my @kept = () ; |
637 | |
638 | return sub { ++$count ; |
639 | push @kept, $_ ; |
640 | $result{$name} = "$name - $count: [@kept]" ; |
641 | } |
642 | } |
643 | |
644 | $db->filter_store_key(Closure("store key")) ; |
645 | $db->filter_store_value(Closure("store value")) ; |
646 | $db->filter_fetch_key(Closure("fetch key")) ; |
647 | $db->filter_fetch_value(Closure("fetch value")) ; |
648 | |
649 | $_ = "original" ; |
650 | |
651 | $h[0] = "joe" ; |
c6c92ad9 |
652 | ok(111, $result{"store key"} eq "store key - 1: [0]"); |
653 | ok(112, $result{"store value"} eq "store value - 1: [joe]"); |
654 | ok(113, ! defined $result{"fetch key"} ); |
655 | ok(114, ! defined $result{"fetch value"} ); |
656 | ok(115, $_ eq "original") ; |
657 | |
658 | ok(116, $db->FIRSTKEY() == 0 ) ; |
659 | ok(117, $result{"store key"} eq "store key - 1: [0]"); |
660 | ok(118, $result{"store value"} eq "store value - 1: [joe]"); |
661 | ok(119, $result{"fetch key"} eq "fetch key - 1: [0]"); |
662 | ok(120, ! defined $result{"fetch value"} ); |
663 | ok(121, $_ eq "original") ; |
9fe6733a |
664 | |
665 | $h[7] = "john" ; |
c6c92ad9 |
666 | ok(122, $result{"store key"} eq "store key - 2: [0 7]"); |
667 | ok(123, $result{"store value"} eq "store value - 2: [joe john]"); |
668 | ok(124, $result{"fetch key"} eq "fetch key - 1: [0]"); |
669 | ok(125, ! defined $result{"fetch value"} ); |
670 | ok(126, $_ eq "original") ; |
671 | |
672 | ok(127, $h[0] eq "joe"); |
673 | ok(128, $result{"store key"} eq "store key - 3: [0 7 0]"); |
674 | ok(129, $result{"store value"} eq "store value - 2: [joe john]"); |
675 | ok(130, $result{"fetch key"} eq "fetch key - 1: [0]"); |
676 | ok(131, $result{"fetch value"} eq "fetch value - 1: [joe]"); |
677 | ok(132, $_ eq "original") ; |
9fe6733a |
678 | |
679 | undef $db ; |
680 | untie @h; |
681 | unlink $Dfile; |
682 | } |
683 | |
684 | { |
685 | # DBM Filter recursion detection |
3245f058 |
686 | use warnings ; |
9fe6733a |
687 | use strict ; |
688 | my (@h, $db) ; |
689 | unlink $Dfile; |
690 | |
c6c92ad9 |
691 | ok(133, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
692 | |
693 | $db->filter_store_key (sub { $_ = $h[0] }) ; |
694 | |
695 | eval '$h[1] = 1234' ; |
c6c92ad9 |
696 | ok(134, $@ =~ /^recursion detected in filter_store_key at/ ); |
9fe6733a |
697 | |
698 | undef $db ; |
699 | untie @h; |
700 | unlink $Dfile; |
701 | } |
702 | |
9b761c68 |
703 | |
704 | { |
705 | # Examples from the POD |
706 | |
707 | my $file = "xyzt" ; |
708 | { |
709 | my $redirect = new Redirect $file ; |
710 | |
3245f058 |
711 | use warnings FATAL => qw(all); |
9b761c68 |
712 | use strict ; |
713 | use DB_File ; |
714 | |
715 | my $filename = "text" ; |
716 | unlink $filename ; |
717 | |
718 | my @h ; |
719 | my $x = tie @h, "DB_File", $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO |
720 | or die "Cannot open file 'text': $!\n" ; |
721 | |
722 | # Add a few key/value pairs to the file |
723 | $h[0] = "orange" ; |
724 | $h[1] = "blue" ; |
725 | $h[2] = "yellow" ; |
726 | |
727 | $FA ? push @h, "green", "black" |
728 | : $x->push("green", "black") ; |
729 | |
730 | my $elements = $FA ? scalar @h : $x->length ; |
731 | print "The array contains $elements entries\n" ; |
732 | |
733 | my $last = $FA ? pop @h : $x->pop ; |
734 | print "popped $last\n" ; |
735 | |
736 | $FA ? unshift @h, "white" |
737 | : $x->unshift("white") ; |
738 | my $first = $FA ? shift @h : $x->shift ; |
739 | print "shifted $first\n" ; |
740 | |
741 | # Check for existence of a key |
742 | print "Element 1 Exists with value $h[1]\n" if $h[1] ; |
743 | |
744 | # use a negative index |
745 | print "The last element is $h[-1]\n" ; |
746 | print "The 2nd last element is $h[-2]\n" ; |
747 | |
748 | undef $x ; |
749 | untie @h ; |
750 | |
751 | unlink $filename ; |
752 | } |
753 | |
c6c92ad9 |
754 | ok(135, docat_del($file) eq <<'EOM') ; |
9b761c68 |
755 | The array contains 5 entries |
756 | popped black |
757 | shifted white |
758 | Element 1 Exists with value blue |
759 | The last element is green |
760 | The 2nd last element is yellow |
761 | EOM |
762 | |
763 | my $save_output = "xyzt" ; |
764 | { |
765 | my $redirect = new Redirect $save_output ; |
766 | |
3245f058 |
767 | use warnings FATAL => qw(all); |
9b761c68 |
768 | use strict ; |
769 | use vars qw(@h $H $file $i) ; |
770 | use DB_File ; |
771 | use Fcntl ; |
772 | |
773 | $file = "text" ; |
774 | |
775 | unlink $file ; |
776 | |
777 | $H = tie @h, "DB_File", $file, O_RDWR|O_CREAT, 0640, $DB_RECNO |
778 | or die "Cannot open file $file: $!\n" ; |
779 | |
780 | # first create a text file to play with |
781 | $h[0] = "zero" ; |
782 | $h[1] = "one" ; |
783 | $h[2] = "two" ; |
784 | $h[3] = "three" ; |
785 | $h[4] = "four" ; |
786 | |
787 | |
788 | # Print the records in order. |
789 | # |
790 | # The length method is needed here because evaluating a tied |
791 | # array in a scalar context does not return the number of |
792 | # elements in the array. |
793 | |
794 | print "\nORIGINAL\n" ; |
795 | foreach $i (0 .. $H->length - 1) { |
796 | print "$i: $h[$i]\n" ; |
797 | } |
798 | |
799 | # use the push & pop methods |
800 | $a = $H->pop ; |
801 | $H->push("last") ; |
802 | print "\nThe last record was [$a]\n" ; |
803 | |
804 | # and the shift & unshift methods |
805 | $a = $H->shift ; |
806 | $H->unshift("first") ; |
807 | print "The first record was [$a]\n" ; |
808 | |
809 | # Use the API to add a new record after record 2. |
810 | $i = 2 ; |
811 | $H->put($i, "Newbie", R_IAFTER) ; |
812 | |
813 | # and a new record before record 1. |
814 | $i = 1 ; |
815 | $H->put($i, "New One", R_IBEFORE) ; |
816 | |
817 | # delete record 3 |
818 | $H->del(3) ; |
819 | |
820 | # now print the records in reverse order |
821 | print "\nREVERSE\n" ; |
822 | for ($i = $H->length - 1 ; $i >= 0 ; -- $i) |
823 | { print "$i: $h[$i]\n" } |
824 | |
825 | # same again, but use the API functions instead |
826 | print "\nREVERSE again\n" ; |
827 | my ($s, $k, $v) = (0, 0, 0) ; |
828 | for ($s = $H->seq($k, $v, R_LAST) ; |
829 | $s == 0 ; |
830 | $s = $H->seq($k, $v, R_PREV)) |
831 | { print "$k: $v\n" } |
832 | |
833 | undef $H ; |
834 | untie @h ; |
835 | |
836 | unlink $file ; |
837 | } |
838 | |
c6c92ad9 |
839 | ok(136, docat_del($save_output) eq <<'EOM') ; |
9b761c68 |
840 | |
841 | ORIGINAL |
842 | 0: zero |
843 | 1: one |
844 | 2: two |
845 | 3: three |
846 | 4: four |
847 | |
848 | The last record was [four] |
849 | The first record was [zero] |
850 | |
851 | REVERSE |
852 | 5: last |
853 | 4: three |
854 | 3: Newbie |
855 | 2: one |
856 | 1: New One |
857 | 0: first |
858 | |
859 | REVERSE again |
860 | 5: last |
861 | 4: three |
862 | 3: Newbie |
863 | 2: one |
864 | 1: New One |
865 | 0: first |
866 | EOM |
867 | |
868 | } |
869 | |
cbc5248d |
870 | { |
871 | # Bug ID 20001013.009 |
872 | # |
873 | # test that $hash{KEY} = undef doesn't produce the warning |
874 | # Use of uninitialized value in null operation |
875 | use warnings ; |
876 | use strict ; |
877 | use DB_File ; |
878 | |
879 | unlink $Dfile; |
880 | my @h ; |
881 | my $a = ""; |
882 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
883 | |
3245f058 |
884 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
cbc5248d |
885 | or die "Can't open file: $!\n" ; |
886 | $h[0] = undef; |
c6c92ad9 |
887 | ok(137, $a eq "") ; |
3245f058 |
888 | untie @h ; |
889 | unlink $Dfile; |
890 | } |
891 | |
892 | { |
893 | # test that %hash = () doesn't produce the warning |
894 | # Argument "" isn't numeric in entersub |
895 | use warnings ; |
896 | use strict ; |
897 | use DB_File ; |
898 | my $a = ""; |
899 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
900 | |
901 | unlink $Dfile; |
902 | my @h ; |
903 | |
904 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
905 | or die "Can't open file: $!\n" ; |
906 | @h = (); ; |
c6c92ad9 |
907 | ok(138, $a eq "") ; |
3245f058 |
908 | untie @h ; |
cbc5248d |
909 | unlink $Dfile; |
910 | } |
911 | |
c6c92ad9 |
912 | # Only test splice if this is a newish version of Perl |
913 | exit unless $FA ; |
914 | |
915 | # Test SPLICE |
916 | # |
917 | # These are a few regression tests: bundles of five arguments to pass |
918 | # to test_splice(). The first four arguments correspond to those |
919 | # given to splice(), and the last says which context to call it in |
920 | # (scalar, list or void). |
921 | # |
922 | # The expected result is not needed because we get that by running |
923 | # Perl's built-in splice(). |
924 | # |
925 | my @tests = ([ [ 'falsely', 'dinosaur', 'remedy', 'commotion', |
926 | 'rarely', 'paleness' ], |
927 | -4, -2, |
928 | [ 'redoubled', 'Taylorize', 'Zoe', 'halogen' ], |
929 | 'void' ], |
930 | |
931 | [ [ 'a' ], -2, 1, [ 'B' ], 'void' ], |
932 | |
933 | [ [ 'Hartley', 'Islandia', 'assents', 'wishful' ], |
934 | 0, -4, |
935 | [ 'maids' ], |
936 | 'void' ], |
937 | |
938 | [ [ 'visibility', 'pocketful', 'rectangles' ], |
939 | -10, 0, |
940 | [ 'garbages' ], |
941 | 'void' ], |
942 | |
943 | [ [ 'sleeplessly' ], |
944 | 8, -4, |
945 | [ 'Margery', 'clearing', 'repercussion', 'clubs', |
946 | 'arise' ], |
947 | 'void' ], |
948 | |
949 | [ [ 'chastises', 'recalculates' ], |
950 | 0, 0, |
951 | [ 'momentariness', 'mediates', 'accents', 'toils', |
952 | 'regaled' ], |
953 | 'void' ], |
954 | |
955 | [ [ 'b', '' ], |
956 | 9, 8, |
957 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
958 | 'scalar' ], |
959 | |
960 | [ [ 'b', '' ], |
961 | undef, undef, |
962 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
963 | 'scalar' ], |
964 | |
965 | [ [ 'riheb' ], -8, undef, [], 'void' ], |
966 | |
967 | [ [ 'uft', 'qnxs', '' ], |
968 | 6, -2, |
969 | [ 'znp', 'mhnkh', 'bn' ], |
970 | 'void' ], |
971 | ); |
972 | |
973 | my $testnum = 139; |
974 | my $failed = 0; |
975 | require POSIX; my $tmp = POSIX::tmpnam(); |
976 | foreach my $test (@tests) { |
977 | my $err = test_splice(@$test); |
978 | if (defined $err) { |
979 | require Data::Dumper; |
980 | print STDERR "failed: ", Data::Dumper::Dumper($test); |
981 | print STDERR "error: $err\n"; |
982 | $failed = 1; |
983 | ok($testnum++, 0); |
984 | } |
985 | else { ok($testnum++, 1) } |
986 | } |
987 | |
988 | if ($failed) { |
989 | # Not worth running the random ones |
990 | print STDERR 'skipping ', $testnum++, "\n"; |
991 | } |
992 | else { |
993 | # A thousand randomly-generated tests |
994 | $failed = 0; |
995 | srand(0); |
996 | foreach (0 .. 1000 - 1) { |
997 | my $test = rand_test(); |
998 | my $err = test_splice(@$test); |
999 | if (defined $err) { |
1000 | require Data::Dumper; |
1001 | print STDERR "failed: ", Data::Dumper::Dumper($test); |
1002 | print STDERR "error: $err\n"; |
1003 | $failed = 1; |
1004 | print STDERR "skipping any remaining random tests\n"; |
1005 | last; |
1006 | } |
1007 | } |
1008 | |
1009 | ok($testnum++, not $failed); |
1010 | } |
1011 | |
1012 | die if $testnum != $total_tests + 1; |
1013 | |
a0d0e21e |
1014 | exit ; |
c6c92ad9 |
1015 | |
1016 | # Subroutines for SPLICE testing |
1017 | |
1018 | # test_splice() |
1019 | # |
1020 | # Test the new splice() against Perl's built-in one. The first four |
1021 | # parameters are those passed to splice(), except that the lists must |
1022 | # be (explicitly) passed by reference, and are not actually modified. |
1023 | # (It's just a test!) The last argument specifies the context in |
1024 | # which to call the functions: 'list', 'scalar', or 'void'. |
1025 | # |
1026 | # Returns: |
1027 | # undef, if the two splices give the same results for the given |
1028 | # arguments and context; |
1029 | # |
1030 | # an error message showing the difference, otherwise. |
1031 | # |
1032 | # Reads global variable $tmp. |
1033 | # |
1034 | sub test_splice { |
1035 | die 'usage: test_splice(array, offset, length, list, context)' if @_ != 5; |
1036 | my ($array, $offset, $length, $list, $context) = @_; |
1037 | my @array = @$array; |
1038 | my @list = @$list; |
1039 | |
1040 | open(TEXT, ">$tmp") or die "cannot write to $tmp: $!"; |
1041 | foreach (@array) { print TEXT "$_\n" } |
1042 | close TEXT or die "cannot close $tmp: $!"; |
1043 | |
1044 | my @h; |
1045 | my $H = tie @h, 'DB_File', $tmp, O_RDWR, 0644, $DB_RECNO |
1046 | or die "cannot open $tmp: $!"; |
1047 | |
1048 | return "basic DB_File sanity check failed" |
1049 | if list_diff(\@array, \@h); |
1050 | |
1051 | # Output from splice(): |
1052 | # Returned value (munged a bit), error msg, warnings |
1053 | # |
1054 | my ($s_r, $s_error, @s_warnings); |
1055 | |
1056 | my $gather_warning = sub { push @s_warnings, $_[0] }; |
1057 | if ($context eq 'list') { |
1058 | my @r; |
1059 | eval { |
1060 | local $SIG{__WARN__} = $gather_warning; |
1061 | @r = splice @array, $offset, $length, @list; |
1062 | }; |
1063 | $s_error = $@; |
1064 | $s_r = \@r; |
1065 | } |
1066 | elsif ($context eq 'scalar') { |
1067 | my $r; |
1068 | eval { |
1069 | local $SIG{__WARN__} = $gather_warning; |
1070 | $r = splice @array, $offset, $length, @list; |
1071 | }; |
1072 | $s_error = $@; |
1073 | $s_r = [ $r ]; |
1074 | } |
1075 | elsif ($context eq 'void') { |
1076 | eval { |
1077 | local $SIG{__WARN__} = $gather_warning; |
1078 | splice @array, $offset, $length, @list; |
1079 | }; |
1080 | $s_error = $@; |
1081 | $s_r = []; |
1082 | } |
1083 | else { |
1084 | die "bad context $context"; |
1085 | } |
1086 | |
1087 | foreach ($s_error, @s_warnings) { |
1088 | chomp; |
1089 | s/ at \S+ line \d+\.$//; |
1090 | } |
1091 | |
1092 | # Now do the same for DB_File's version of splice |
1093 | my ($ms_r, $ms_error, @ms_warnings); |
1094 | $gather_warning = sub { push @ms_warnings, $_[0] }; |
1095 | if ($context eq 'list') { |
1096 | my @r; |
1097 | eval { |
1098 | local $SIG{__WARN__} = $gather_warning; |
1099 | @r = splice @h, $offset, $length, @list; |
1100 | }; |
1101 | $ms_error = $@; |
1102 | $ms_r = \@r; |
1103 | } |
1104 | elsif ($context eq 'scalar') { |
1105 | my $r; |
1106 | eval { |
1107 | local $SIG{__WARN__} = $gather_warning; |
1108 | $r = splice @h, $offset, $length, @list; |
1109 | }; |
1110 | $ms_error = $@; |
1111 | $ms_r = [ $r ]; |
1112 | } |
1113 | elsif ($context eq 'void') { |
1114 | eval { |
1115 | local $SIG{__WARN__} = $gather_warning; |
1116 | splice @h, $offset, $length, @list; |
1117 | }; |
1118 | $ms_error = $@; |
1119 | $ms_r = []; |
1120 | } |
1121 | else { |
1122 | die "bad context $context"; |
1123 | } |
1124 | |
1125 | foreach ($ms_error, @ms_warnings) { |
1126 | chomp; |
1127 | s/ at \S+ line \d+\.?$//; |
1128 | } |
1129 | |
1130 | return "different errors: '$s_error' vs '$ms_error'" |
1131 | if $s_error ne $ms_error; |
1132 | return('different return values: ' . Dumper($s_r) . ' vs ' . Dumper($ms_r)) |
1133 | if list_diff($s_r, $ms_r); |
1134 | return('different changed list: ' . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1135 | if list_diff(\@array, \@h); |
1136 | |
1137 | if ((scalar @s_warnings) != (scalar @ms_warnings)) { |
1138 | return 'different number of warnings'; |
1139 | } |
1140 | |
1141 | while (@s_warnings) { |
1142 | my $sw = shift @s_warnings; |
1143 | my $msw = shift @ms_warnings; |
1144 | |
1145 | if (defined $sw and defined $msw) { |
1146 | $msw =~ s/ \(.+\)$//; |
1147 | $msw =~ s/ in splice$// if $] < 5.006; |
1148 | if ($sw ne $msw) { |
1149 | return "different warning: '$sw' vs '$msw'"; |
1150 | } |
1151 | } |
1152 | elsif (not defined $sw and not defined $msw) { |
1153 | # Okay. |
1154 | } |
1155 | else { |
1156 | return "one warning defined, another undef"; |
1157 | } |
1158 | } |
1159 | |
1160 | undef $H; |
1161 | untie @h; |
1162 | |
1163 | open(TEXT, $tmp) or die "cannot open $tmp: $!"; |
1164 | @h = <TEXT>; chomp @h; |
1165 | close TEXT or die "cannot close $tmp: $!"; |
1166 | return('list is different when re-read from disk: ' |
1167 | . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1168 | if list_diff(\@array, \@h); |
1169 | |
1170 | return undef; # success |
1171 | } |
1172 | |
1173 | |
1174 | # list_diff() |
1175 | # |
1176 | # Do two lists differ? |
1177 | # |
1178 | # Parameters: |
1179 | # reference to first list |
1180 | # reference to second list |
1181 | # |
1182 | # Returns true iff they differ. Only works for lists of (string or |
1183 | # undef). |
1184 | # |
1185 | # Surely there is a better way to do this? |
1186 | # |
1187 | sub list_diff { |
1188 | die 'usage: list_diff(ref to first list, ref to second list)' |
1189 | if @_ != 2; |
1190 | my ($a, $b) = @_; |
1191 | my @a = @$a; my @b = @$b; |
1192 | return 1 if (scalar @a) != (scalar @b); |
1193 | for (my $i = 0; $i < @a; $i++) { |
1194 | my ($ae, $be) = ($a[$i], $b[$i]); |
1195 | if (defined $ae and defined $be) { |
1196 | return 1 if $ae ne $be; |
1197 | } |
1198 | elsif (not defined $ae and not defined $be) { |
1199 | # Two undefined values are 'equal' |
1200 | } |
1201 | else { |
1202 | return 1; |
1203 | } |
1204 | } |
1205 | return 0; |
1206 | } |
1207 | |
1208 | |
1209 | # rand_test() |
1210 | # |
1211 | # Think up a random ARRAY, OFFSET, LENGTH, LIST, and context. |
1212 | # ARRAY or LIST might be empty, and OFFSET or LENGTH might be |
1213 | # undefined. Return a 'test' - a listref of these five things. |
1214 | # |
1215 | sub rand_test { |
1216 | die 'usage: rand_test()' if @_; |
1217 | my @contexts = qw<list scalar void>; |
1218 | my $context = $contexts[int(rand @contexts)]; |
1219 | return [ rand_list(), |
1220 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1221 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1222 | rand_list(), |
1223 | $context ]; |
1224 | } |
1225 | |
1226 | |
1227 | sub rand_list { |
1228 | die 'usage: rand_list()' if @_; |
1229 | my @r; |
1230 | |
1231 | while (rand() > 0.1 * (scalar @r + 1)) { |
1232 | push @r, rand_word(); |
1233 | } |
1234 | return \@r; |
1235 | } |
1236 | |
1237 | |
1238 | sub rand_word { |
1239 | die 'usage: rand_word()' if @_; |
1240 | my $r = ''; |
1241 | my @chars = qw<a b c d e f g h i j k l m n o p q r s t u v w x y z>; |
1242 | while (rand() > 0.1 * (length($r) + 1)) { |
1243 | $r .= $chars[int(rand(scalar @chars))]; |
1244 | } |
1245 | return $r; |
1246 | } |