Commit | Line | Data |
f6b705ef |
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) |
2986a63f |
160 | || $^O eq 'MSWin32' || $^O eq 'NetWare' || $^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, $h[0] eq "abcd" ); |
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266 | |
267 | # now try to read before the start of the array |
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268 | eval '$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 ; |
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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; |
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291 | ok(59, $x eq "abc\ndef\n\nghi\n") ; |
36477c24 |
292 | } |
293 | |
294 | { |
295 | # Change bval |
296 | |
297 | my @h = () ; |
298 | my $dbh = new DB_File::RECNOINFO ; |
299 | $dbh->{bval} = "-" ; |
c6c92ad9 |
300 | ok(60, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
301 | $h[0] = "abc" ; |
302 | $h[1] = "def" ; |
303 | $h[3] = "ghi" ; |
304 | untie @h ; |
a6ed719b |
305 | my $x = docat($Dfile) ; |
36477c24 |
306 | unlink $Dfile; |
6250ba0a |
307 | my $ok = ($x eq "abc-def--ghi-") ; |
308 | bad_one() unless $ok ; |
c6c92ad9 |
309 | ok(61, $ok) ; |
36477c24 |
310 | } |
311 | |
312 | { |
313 | # Check R_FIXEDLEN with default bval (space) |
314 | |
315 | my @h = () ; |
316 | my $dbh = new DB_File::RECNOINFO ; |
317 | $dbh->{flags} = R_FIXEDLEN ; |
318 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
319 | ok(62, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
320 | $h[0] = "abc" ; |
321 | $h[1] = "def" ; |
322 | $h[3] = "ghi" ; |
323 | untie @h ; |
a6ed719b |
324 | my $x = docat($Dfile) ; |
36477c24 |
325 | unlink $Dfile; |
6250ba0a |
326 | my $ok = ($x eq "abc def ghi ") ; |
327 | bad_one() unless $ok ; |
c6c92ad9 |
328 | ok(63, $ok) ; |
36477c24 |
329 | } |
330 | |
331 | { |
332 | # Check R_FIXEDLEN with user-defined bval |
333 | |
334 | my @h = () ; |
335 | my $dbh = new DB_File::RECNOINFO ; |
336 | $dbh->{flags} = R_FIXEDLEN ; |
337 | $dbh->{bval} = "-" ; |
338 | $dbh->{reclen} = 5 ; |
c6c92ad9 |
339 | ok(64, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ; |
36477c24 |
340 | $h[0] = "abc" ; |
341 | $h[1] = "def" ; |
342 | $h[3] = "ghi" ; |
343 | untie @h ; |
a6ed719b |
344 | my $x = docat($Dfile) ; |
36477c24 |
345 | unlink $Dfile; |
6250ba0a |
346 | my $ok = ($x eq "abc--def-------ghi--") ; |
347 | bad_one() unless $ok ; |
c6c92ad9 |
348 | ok(65, $ok) ; |
36477c24 |
349 | } |
350 | |
05475680 |
351 | { |
352 | # check that attempting to tie an associative array to a DB_RECNO will fail |
353 | |
354 | my $filename = "xyz" ; |
355 | my %x ; |
356 | eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ; |
c6c92ad9 |
357 | ok(66, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ; |
05475680 |
358 | unlink $filename ; |
359 | } |
360 | |
a6ed719b |
361 | { |
362 | # sub-class test |
363 | |
364 | package Another ; |
365 | |
3245f058 |
366 | use warnings ; |
a6ed719b |
367 | use strict ; |
368 | |
369 | open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; |
370 | print FILE <<'EOM' ; |
371 | |
372 | package SubDB ; |
373 | |
3245f058 |
374 | use warnings ; |
a6ed719b |
375 | use strict ; |
376 | use vars qw( @ISA @EXPORT) ; |
377 | |
378 | require Exporter ; |
379 | use DB_File; |
380 | @ISA=qw(DB_File); |
381 | @EXPORT = @DB_File::EXPORT ; |
382 | |
383 | sub STORE { |
384 | my $self = shift ; |
385 | my $key = shift ; |
386 | my $value = shift ; |
387 | $self->SUPER::STORE($key, $value * 2) ; |
388 | } |
389 | |
390 | sub FETCH { |
391 | my $self = shift ; |
392 | my $key = shift ; |
393 | $self->SUPER::FETCH($key) - 1 ; |
394 | } |
395 | |
396 | sub put { |
397 | my $self = shift ; |
398 | my $key = shift ; |
399 | my $value = shift ; |
400 | $self->SUPER::put($key, $value * 3) ; |
401 | } |
402 | |
403 | sub get { |
404 | my $self = shift ; |
405 | $self->SUPER::get($_[0], $_[1]) ; |
406 | $_[1] -= 2 ; |
407 | } |
408 | |
409 | sub A_new_method |
410 | { |
411 | my $self = shift ; |
412 | my $key = shift ; |
413 | my $value = $self->FETCH($key) ; |
414 | return "[[$value]]" ; |
415 | } |
416 | |
417 | 1 ; |
418 | EOM |
419 | |
420 | close FILE ; |
421 | |
045291aa |
422 | BEGIN { push @INC, '.'; } |
a6ed719b |
423 | eval 'use SubDB ; '; |
c6c92ad9 |
424 | main::ok(67, $@ eq "") ; |
a6ed719b |
425 | my @h ; |
426 | my $X ; |
427 | eval ' |
428 | $X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO ); |
429 | ' ; |
430 | |
c6c92ad9 |
431 | main::ok(68, $@ eq "") ; |
a6ed719b |
432 | |
433 | my $ret = eval '$h[3] = 3 ; return $h[3] ' ; |
c6c92ad9 |
434 | main::ok(69, $@ eq "") ; |
435 | main::ok(70, $ret == 5) ; |
a6ed719b |
436 | |
437 | my $value = 0; |
438 | $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ; |
c6c92ad9 |
439 | main::ok(71, $@ eq "") ; |
440 | main::ok(72, $ret == 10) ; |
a6ed719b |
441 | |
442 | $ret = eval ' R_NEXT eq main::R_NEXT ' ; |
c6c92ad9 |
443 | main::ok(73, $@ eq "" ) ; |
444 | main::ok(74, $ret == 1) ; |
a6ed719b |
445 | |
446 | $ret = eval '$X->A_new_method(1) ' ; |
c6c92ad9 |
447 | main::ok(75, $@ eq "") ; |
448 | main::ok(76, $ret eq "[[11]]") ; |
a6ed719b |
449 | |
fac76ed7 |
450 | undef $X; |
451 | untie(@h); |
a6ed719b |
452 | unlink "SubDB.pm", "recno.tmp" ; |
453 | |
454 | } |
455 | |
045291aa |
456 | { |
457 | |
458 | # test $# |
459 | my $self ; |
460 | unlink $Dfile; |
c6c92ad9 |
461 | ok(77, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ; |
045291aa |
462 | $h[0] = "abc" ; |
463 | $h[1] = "def" ; |
464 | $h[2] = "ghi" ; |
465 | $h[3] = "jkl" ; |
c6c92ad9 |
466 | ok(78, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
467 | undef $self ; |
468 | untie @h ; |
469 | my $x = docat($Dfile) ; |
c6c92ad9 |
470 | ok(79, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
471 | |
472 | # $# sets array to same length |
c6c92ad9 |
473 | ok(80, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
474 | if ($FA) |
475 | { $#h = 3 } |
476 | else |
477 | { $self->STORESIZE(4) } |
c6c92ad9 |
478 | ok(81, $FA ? $#h == 3 : $self->length() == 4) ; |
045291aa |
479 | undef $self ; |
480 | untie @h ; |
481 | $x = docat($Dfile) ; |
c6c92ad9 |
482 | ok(82, $x eq "abc\ndef\nghi\njkl\n") ; |
045291aa |
483 | |
484 | # $# sets array to bigger |
c6c92ad9 |
485 | ok(83, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
486 | if ($FA) |
487 | { $#h = 6 } |
488 | else |
489 | { $self->STORESIZE(7) } |
c6c92ad9 |
490 | ok(84, $FA ? $#h == 6 : $self->length() == 7) ; |
045291aa |
491 | undef $self ; |
492 | untie @h ; |
493 | $x = docat($Dfile) ; |
c6c92ad9 |
494 | ok(85, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ; |
045291aa |
495 | |
496 | # $# sets array smaller |
c6c92ad9 |
497 | ok(86, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ; |
045291aa |
498 | if ($FA) |
499 | { $#h = 2 } |
500 | else |
501 | { $self->STORESIZE(3) } |
c6c92ad9 |
502 | ok(87, $FA ? $#h == 2 : $self->length() == 3) ; |
045291aa |
503 | undef $self ; |
504 | untie @h ; |
505 | $x = docat($Dfile) ; |
c6c92ad9 |
506 | ok(88, $x eq "abc\ndef\nghi\n") ; |
045291aa |
507 | |
508 | unlink $Dfile; |
509 | |
510 | |
511 | } |
512 | |
9fe6733a |
513 | { |
514 | # DBM Filter tests |
3245f058 |
515 | use warnings ; |
9fe6733a |
516 | use strict ; |
517 | my (@h, $db) ; |
518 | my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
519 | unlink $Dfile; |
520 | |
521 | sub checkOutput |
522 | { |
523 | my($fk, $sk, $fv, $sv) = @_ ; |
524 | return |
525 | $fetch_key eq $fk && $store_key eq $sk && |
526 | $fetch_value eq $fv && $store_value eq $sv && |
527 | $_ eq 'original' ; |
528 | } |
529 | |
c6c92ad9 |
530 | ok(89, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
531 | |
532 | $db->filter_fetch_key (sub { $fetch_key = $_ }) ; |
533 | $db->filter_store_key (sub { $store_key = $_ }) ; |
534 | $db->filter_fetch_value (sub { $fetch_value = $_}) ; |
535 | $db->filter_store_value (sub { $store_value = $_ }) ; |
536 | |
537 | $_ = "original" ; |
538 | |
539 | $h[0] = "joe" ; |
540 | # fk sk fv sv |
c6c92ad9 |
541 | ok(90, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
542 | |
543 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
544 | ok(91, $h[0] eq "joe"); |
9fe6733a |
545 | # fk sk fv sv |
c6c92ad9 |
546 | ok(92, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
547 | |
548 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
549 | ok(93, $db->FIRSTKEY() == 0) ; |
9fe6733a |
550 | # fk sk fv sv |
c6c92ad9 |
551 | ok(94, checkOutput( 0, "", "", "")) ; |
9fe6733a |
552 | |
553 | # replace the filters, but remember the previous set |
554 | my ($old_fk) = $db->filter_fetch_key |
555 | (sub { ++ $_ ; $fetch_key = $_ }) ; |
556 | my ($old_sk) = $db->filter_store_key |
557 | (sub { $_ *= 2 ; $store_key = $_ }) ; |
558 | my ($old_fv) = $db->filter_fetch_value |
559 | (sub { $_ = "[$_]"; $fetch_value = $_ }) ; |
560 | my ($old_sv) = $db->filter_store_value |
561 | (sub { s/o/x/g; $store_value = $_ }) ; |
562 | |
563 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
564 | $h[1] = "Joe" ; |
565 | # fk sk fv sv |
c6c92ad9 |
566 | ok(95, checkOutput( "", 2, "", "Jxe")) ; |
9fe6733a |
567 | |
568 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
569 | ok(96, $h[1] eq "[Jxe]"); |
9fe6733a |
570 | # fk sk fv sv |
c6c92ad9 |
571 | ok(97, checkOutput( "", 2, "[Jxe]", "")) ; |
9fe6733a |
572 | |
573 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
574 | ok(98, $db->FIRSTKEY() == 1) ; |
9fe6733a |
575 | # fk sk fv sv |
c6c92ad9 |
576 | ok(99, checkOutput( 1, "", "", "")) ; |
9fe6733a |
577 | |
578 | # put the original filters back |
579 | $db->filter_fetch_key ($old_fk); |
580 | $db->filter_store_key ($old_sk); |
581 | $db->filter_fetch_value ($old_fv); |
582 | $db->filter_store_value ($old_sv); |
583 | |
584 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
585 | $h[0] = "joe" ; |
c6c92ad9 |
586 | ok(100, checkOutput( "", 0, "", "joe")) ; |
9fe6733a |
587 | |
588 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
589 | ok(101, $h[0] eq "joe"); |
590 | ok(102, checkOutput( "", 0, "joe", "")) ; |
9fe6733a |
591 | |
592 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
593 | ok(103, $db->FIRSTKEY() == 0) ; |
594 | ok(104, checkOutput( 0, "", "", "")) ; |
9fe6733a |
595 | |
596 | # delete the filters |
597 | $db->filter_fetch_key (undef); |
598 | $db->filter_store_key (undef); |
599 | $db->filter_fetch_value (undef); |
600 | $db->filter_store_value (undef); |
601 | |
602 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
603 | $h[0] = "joe" ; |
c6c92ad9 |
604 | ok(105, checkOutput( "", "", "", "")) ; |
9fe6733a |
605 | |
606 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
607 | ok(106, $h[0] eq "joe"); |
608 | ok(107, checkOutput( "", "", "", "")) ; |
9fe6733a |
609 | |
610 | ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; |
c6c92ad9 |
611 | ok(108, $db->FIRSTKEY() == 0) ; |
612 | ok(109, checkOutput( "", "", "", "")) ; |
9fe6733a |
613 | |
614 | undef $db ; |
615 | untie @h; |
616 | unlink $Dfile; |
617 | } |
618 | |
619 | { |
620 | # DBM Filter with a closure |
621 | |
3245f058 |
622 | use warnings ; |
9fe6733a |
623 | use strict ; |
624 | my (@h, $db) ; |
625 | |
626 | unlink $Dfile; |
c6c92ad9 |
627 | ok(110, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
628 | |
629 | my %result = () ; |
630 | |
631 | sub Closure |
632 | { |
633 | my ($name) = @_ ; |
634 | my $count = 0 ; |
635 | my @kept = () ; |
636 | |
637 | return sub { ++$count ; |
638 | push @kept, $_ ; |
639 | $result{$name} = "$name - $count: [@kept]" ; |
640 | } |
641 | } |
642 | |
643 | $db->filter_store_key(Closure("store key")) ; |
644 | $db->filter_store_value(Closure("store value")) ; |
645 | $db->filter_fetch_key(Closure("fetch key")) ; |
646 | $db->filter_fetch_value(Closure("fetch value")) ; |
647 | |
648 | $_ = "original" ; |
649 | |
650 | $h[0] = "joe" ; |
c6c92ad9 |
651 | ok(111, $result{"store key"} eq "store key - 1: [0]"); |
652 | ok(112, $result{"store value"} eq "store value - 1: [joe]"); |
653 | ok(113, ! defined $result{"fetch key"} ); |
654 | ok(114, ! defined $result{"fetch value"} ); |
655 | ok(115, $_ eq "original") ; |
656 | |
657 | ok(116, $db->FIRSTKEY() == 0 ) ; |
658 | ok(117, $result{"store key"} eq "store key - 1: [0]"); |
659 | ok(118, $result{"store value"} eq "store value - 1: [joe]"); |
660 | ok(119, $result{"fetch key"} eq "fetch key - 1: [0]"); |
661 | ok(120, ! defined $result{"fetch value"} ); |
662 | ok(121, $_ eq "original") ; |
9fe6733a |
663 | |
664 | $h[7] = "john" ; |
c6c92ad9 |
665 | ok(122, $result{"store key"} eq "store key - 2: [0 7]"); |
666 | ok(123, $result{"store value"} eq "store value - 2: [joe john]"); |
667 | ok(124, $result{"fetch key"} eq "fetch key - 1: [0]"); |
668 | ok(125, ! defined $result{"fetch value"} ); |
669 | ok(126, $_ eq "original") ; |
670 | |
671 | ok(127, $h[0] eq "joe"); |
672 | ok(128, $result{"store key"} eq "store key - 3: [0 7 0]"); |
673 | ok(129, $result{"store value"} eq "store value - 2: [joe john]"); |
674 | ok(130, $result{"fetch key"} eq "fetch key - 1: [0]"); |
675 | ok(131, $result{"fetch value"} eq "fetch value - 1: [joe]"); |
676 | ok(132, $_ eq "original") ; |
9fe6733a |
677 | |
678 | undef $db ; |
679 | untie @h; |
680 | unlink $Dfile; |
681 | } |
682 | |
683 | { |
684 | # DBM Filter recursion detection |
3245f058 |
685 | use warnings ; |
9fe6733a |
686 | use strict ; |
687 | my (@h, $db) ; |
688 | unlink $Dfile; |
689 | |
c6c92ad9 |
690 | ok(133, $db = tie(@h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ); |
9fe6733a |
691 | |
692 | $db->filter_store_key (sub { $_ = $h[0] }) ; |
693 | |
694 | eval '$h[1] = 1234' ; |
c6c92ad9 |
695 | ok(134, $@ =~ /^recursion detected in filter_store_key at/ ); |
9fe6733a |
696 | |
697 | undef $db ; |
698 | untie @h; |
699 | unlink $Dfile; |
700 | } |
701 | |
9b761c68 |
702 | |
703 | { |
704 | # Examples from the POD |
705 | |
706 | my $file = "xyzt" ; |
707 | { |
708 | my $redirect = new Redirect $file ; |
709 | |
3245f058 |
710 | use warnings FATAL => qw(all); |
9b761c68 |
711 | use strict ; |
712 | use DB_File ; |
713 | |
714 | my $filename = "text" ; |
715 | unlink $filename ; |
716 | |
717 | my @h ; |
718 | my $x = tie @h, "DB_File", $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO |
719 | or die "Cannot open file 'text': $!\n" ; |
720 | |
721 | # Add a few key/value pairs to the file |
722 | $h[0] = "orange" ; |
723 | $h[1] = "blue" ; |
724 | $h[2] = "yellow" ; |
725 | |
726 | $FA ? push @h, "green", "black" |
727 | : $x->push("green", "black") ; |
728 | |
729 | my $elements = $FA ? scalar @h : $x->length ; |
730 | print "The array contains $elements entries\n" ; |
731 | |
732 | my $last = $FA ? pop @h : $x->pop ; |
733 | print "popped $last\n" ; |
734 | |
735 | $FA ? unshift @h, "white" |
736 | : $x->unshift("white") ; |
737 | my $first = $FA ? shift @h : $x->shift ; |
738 | print "shifted $first\n" ; |
739 | |
740 | # Check for existence of a key |
741 | print "Element 1 Exists with value $h[1]\n" if $h[1] ; |
742 | |
743 | # use a negative index |
744 | print "The last element is $h[-1]\n" ; |
745 | print "The 2nd last element is $h[-2]\n" ; |
746 | |
747 | undef $x ; |
748 | untie @h ; |
749 | |
750 | unlink $filename ; |
751 | } |
752 | |
c6c92ad9 |
753 | ok(135, docat_del($file) eq <<'EOM') ; |
9b761c68 |
754 | The array contains 5 entries |
755 | popped black |
756 | shifted white |
757 | Element 1 Exists with value blue |
758 | The last element is green |
759 | The 2nd last element is yellow |
760 | EOM |
761 | |
762 | my $save_output = "xyzt" ; |
763 | { |
764 | my $redirect = new Redirect $save_output ; |
765 | |
3245f058 |
766 | use warnings FATAL => qw(all); |
9b761c68 |
767 | use strict ; |
768 | use vars qw(@h $H $file $i) ; |
769 | use DB_File ; |
770 | use Fcntl ; |
771 | |
772 | $file = "text" ; |
773 | |
774 | unlink $file ; |
775 | |
776 | $H = tie @h, "DB_File", $file, O_RDWR|O_CREAT, 0640, $DB_RECNO |
777 | or die "Cannot open file $file: $!\n" ; |
778 | |
779 | # first create a text file to play with |
780 | $h[0] = "zero" ; |
781 | $h[1] = "one" ; |
782 | $h[2] = "two" ; |
783 | $h[3] = "three" ; |
784 | $h[4] = "four" ; |
785 | |
786 | |
787 | # Print the records in order. |
788 | # |
789 | # The length method is needed here because evaluating a tied |
790 | # array in a scalar context does not return the number of |
791 | # elements in the array. |
792 | |
793 | print "\nORIGINAL\n" ; |
794 | foreach $i (0 .. $H->length - 1) { |
795 | print "$i: $h[$i]\n" ; |
796 | } |
797 | |
798 | # use the push & pop methods |
799 | $a = $H->pop ; |
800 | $H->push("last") ; |
801 | print "\nThe last record was [$a]\n" ; |
802 | |
803 | # and the shift & unshift methods |
804 | $a = $H->shift ; |
805 | $H->unshift("first") ; |
806 | print "The first record was [$a]\n" ; |
807 | |
808 | # Use the API to add a new record after record 2. |
809 | $i = 2 ; |
810 | $H->put($i, "Newbie", R_IAFTER) ; |
811 | |
812 | # and a new record before record 1. |
813 | $i = 1 ; |
814 | $H->put($i, "New One", R_IBEFORE) ; |
815 | |
816 | # delete record 3 |
817 | $H->del(3) ; |
818 | |
819 | # now print the records in reverse order |
820 | print "\nREVERSE\n" ; |
821 | for ($i = $H->length - 1 ; $i >= 0 ; -- $i) |
822 | { print "$i: $h[$i]\n" } |
823 | |
824 | # same again, but use the API functions instead |
825 | print "\nREVERSE again\n" ; |
826 | my ($s, $k, $v) = (0, 0, 0) ; |
827 | for ($s = $H->seq($k, $v, R_LAST) ; |
828 | $s == 0 ; |
829 | $s = $H->seq($k, $v, R_PREV)) |
830 | { print "$k: $v\n" } |
831 | |
832 | undef $H ; |
833 | untie @h ; |
834 | |
835 | unlink $file ; |
836 | } |
837 | |
c6c92ad9 |
838 | ok(136, docat_del($save_output) eq <<'EOM') ; |
9b761c68 |
839 | |
840 | ORIGINAL |
841 | 0: zero |
842 | 1: one |
843 | 2: two |
844 | 3: three |
845 | 4: four |
846 | |
847 | The last record was [four] |
848 | The first record was [zero] |
849 | |
850 | REVERSE |
851 | 5: last |
852 | 4: three |
853 | 3: Newbie |
854 | 2: one |
855 | 1: New One |
856 | 0: first |
857 | |
858 | REVERSE again |
859 | 5: last |
860 | 4: three |
861 | 3: Newbie |
862 | 2: one |
863 | 1: New One |
864 | 0: first |
865 | EOM |
866 | |
867 | } |
868 | |
cbc5248d |
869 | { |
870 | # Bug ID 20001013.009 |
871 | # |
872 | # test that $hash{KEY} = undef doesn't produce the warning |
873 | # Use of uninitialized value in null operation |
874 | use warnings ; |
875 | use strict ; |
876 | use DB_File ; |
877 | |
878 | unlink $Dfile; |
879 | my @h ; |
880 | my $a = ""; |
881 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
882 | |
3245f058 |
883 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
cbc5248d |
884 | or die "Can't open file: $!\n" ; |
885 | $h[0] = undef; |
c6c92ad9 |
886 | ok(137, $a eq "") ; |
3245f058 |
887 | untie @h ; |
888 | unlink $Dfile; |
889 | } |
890 | |
891 | { |
892 | # test that %hash = () doesn't produce the warning |
893 | # Argument "" isn't numeric in entersub |
894 | use warnings ; |
895 | use strict ; |
896 | use DB_File ; |
897 | my $a = ""; |
898 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
899 | |
900 | unlink $Dfile; |
901 | my @h ; |
902 | |
903 | tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0664, $DB_RECNO |
904 | or die "Can't open file: $!\n" ; |
905 | @h = (); ; |
c6c92ad9 |
906 | ok(138, $a eq "") ; |
3245f058 |
907 | untie @h ; |
cbc5248d |
908 | unlink $Dfile; |
909 | } |
910 | |
c6c92ad9 |
911 | # Only test splice if this is a newish version of Perl |
912 | exit unless $FA ; |
913 | |
914 | # Test SPLICE |
915 | # |
916 | # These are a few regression tests: bundles of five arguments to pass |
917 | # to test_splice(). The first four arguments correspond to those |
918 | # given to splice(), and the last says which context to call it in |
919 | # (scalar, list or void). |
920 | # |
921 | # The expected result is not needed because we get that by running |
922 | # Perl's built-in splice(). |
923 | # |
924 | my @tests = ([ [ 'falsely', 'dinosaur', 'remedy', 'commotion', |
925 | 'rarely', 'paleness' ], |
926 | -4, -2, |
927 | [ 'redoubled', 'Taylorize', 'Zoe', 'halogen' ], |
928 | 'void' ], |
929 | |
930 | [ [ 'a' ], -2, 1, [ 'B' ], 'void' ], |
931 | |
932 | [ [ 'Hartley', 'Islandia', 'assents', 'wishful' ], |
933 | 0, -4, |
934 | [ 'maids' ], |
935 | 'void' ], |
936 | |
937 | [ [ 'visibility', 'pocketful', 'rectangles' ], |
938 | -10, 0, |
939 | [ 'garbages' ], |
940 | 'void' ], |
941 | |
942 | [ [ 'sleeplessly' ], |
943 | 8, -4, |
944 | [ 'Margery', 'clearing', 'repercussion', 'clubs', |
945 | 'arise' ], |
946 | 'void' ], |
947 | |
948 | [ [ 'chastises', 'recalculates' ], |
949 | 0, 0, |
950 | [ 'momentariness', 'mediates', 'accents', 'toils', |
951 | 'regaled' ], |
952 | 'void' ], |
953 | |
954 | [ [ 'b', '' ], |
955 | 9, 8, |
956 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
957 | 'scalar' ], |
958 | |
959 | [ [ 'b', '' ], |
960 | undef, undef, |
961 | [ 'otrb', 'stje', 'ixrpw', 'vxfx', 'lhhf' ], |
962 | 'scalar' ], |
963 | |
964 | [ [ 'riheb' ], -8, undef, [], 'void' ], |
965 | |
966 | [ [ 'uft', 'qnxs', '' ], |
967 | 6, -2, |
968 | [ 'znp', 'mhnkh', 'bn' ], |
969 | 'void' ], |
970 | ); |
971 | |
972 | my $testnum = 139; |
973 | my $failed = 0; |
974 | require POSIX; my $tmp = POSIX::tmpnam(); |
975 | foreach my $test (@tests) { |
976 | my $err = test_splice(@$test); |
977 | if (defined $err) { |
978 | require Data::Dumper; |
979 | print STDERR "failed: ", Data::Dumper::Dumper($test); |
980 | print STDERR "error: $err\n"; |
981 | $failed = 1; |
982 | ok($testnum++, 0); |
983 | } |
984 | else { ok($testnum++, 1) } |
985 | } |
986 | |
987 | if ($failed) { |
988 | # Not worth running the random ones |
989 | print STDERR 'skipping ', $testnum++, "\n"; |
990 | } |
991 | else { |
992 | # A thousand randomly-generated tests |
993 | $failed = 0; |
994 | srand(0); |
995 | foreach (0 .. 1000 - 1) { |
996 | my $test = rand_test(); |
997 | my $err = test_splice(@$test); |
998 | if (defined $err) { |
999 | require Data::Dumper; |
1000 | print STDERR "failed: ", Data::Dumper::Dumper($test); |
1001 | print STDERR "error: $err\n"; |
1002 | $failed = 1; |
1003 | print STDERR "skipping any remaining random tests\n"; |
1004 | last; |
1005 | } |
1006 | } |
1007 | |
1008 | ok($testnum++, not $failed); |
1009 | } |
1010 | |
1011 | die if $testnum != $total_tests + 1; |
1012 | |
a0d0e21e |
1013 | exit ; |
c6c92ad9 |
1014 | |
1015 | # Subroutines for SPLICE testing |
1016 | |
1017 | # test_splice() |
1018 | # |
1019 | # Test the new splice() against Perl's built-in one. The first four |
1020 | # parameters are those passed to splice(), except that the lists must |
1021 | # be (explicitly) passed by reference, and are not actually modified. |
1022 | # (It's just a test!) The last argument specifies the context in |
1023 | # which to call the functions: 'list', 'scalar', or 'void'. |
1024 | # |
1025 | # Returns: |
1026 | # undef, if the two splices give the same results for the given |
1027 | # arguments and context; |
1028 | # |
1029 | # an error message showing the difference, otherwise. |
1030 | # |
1031 | # Reads global variable $tmp. |
1032 | # |
1033 | sub test_splice { |
1034 | die 'usage: test_splice(array, offset, length, list, context)' if @_ != 5; |
1035 | my ($array, $offset, $length, $list, $context) = @_; |
1036 | my @array = @$array; |
1037 | my @list = @$list; |
1038 | |
1039 | open(TEXT, ">$tmp") or die "cannot write to $tmp: $!"; |
1040 | foreach (@array) { print TEXT "$_\n" } |
1041 | close TEXT or die "cannot close $tmp: $!"; |
1042 | |
1043 | my @h; |
1044 | my $H = tie @h, 'DB_File', $tmp, O_RDWR, 0644, $DB_RECNO |
1045 | or die "cannot open $tmp: $!"; |
1046 | |
1047 | return "basic DB_File sanity check failed" |
1048 | if list_diff(\@array, \@h); |
1049 | |
1050 | # Output from splice(): |
1051 | # Returned value (munged a bit), error msg, warnings |
1052 | # |
1053 | my ($s_r, $s_error, @s_warnings); |
1054 | |
1055 | my $gather_warning = sub { push @s_warnings, $_[0] }; |
1056 | if ($context eq 'list') { |
1057 | my @r; |
1058 | eval { |
1059 | local $SIG{__WARN__} = $gather_warning; |
1060 | @r = splice @array, $offset, $length, @list; |
1061 | }; |
1062 | $s_error = $@; |
1063 | $s_r = \@r; |
1064 | } |
1065 | elsif ($context eq 'scalar') { |
1066 | my $r; |
1067 | eval { |
1068 | local $SIG{__WARN__} = $gather_warning; |
1069 | $r = splice @array, $offset, $length, @list; |
1070 | }; |
1071 | $s_error = $@; |
1072 | $s_r = [ $r ]; |
1073 | } |
1074 | elsif ($context eq 'void') { |
1075 | eval { |
1076 | local $SIG{__WARN__} = $gather_warning; |
1077 | splice @array, $offset, $length, @list; |
1078 | }; |
1079 | $s_error = $@; |
1080 | $s_r = []; |
1081 | } |
1082 | else { |
1083 | die "bad context $context"; |
1084 | } |
1085 | |
1086 | foreach ($s_error, @s_warnings) { |
1087 | chomp; |
1088 | s/ at \S+ line \d+\.$//; |
1089 | } |
1090 | |
1091 | # Now do the same for DB_File's version of splice |
1092 | my ($ms_r, $ms_error, @ms_warnings); |
1093 | $gather_warning = sub { push @ms_warnings, $_[0] }; |
1094 | if ($context eq 'list') { |
1095 | my @r; |
1096 | eval { |
1097 | local $SIG{__WARN__} = $gather_warning; |
1098 | @r = splice @h, $offset, $length, @list; |
1099 | }; |
1100 | $ms_error = $@; |
1101 | $ms_r = \@r; |
1102 | } |
1103 | elsif ($context eq 'scalar') { |
1104 | my $r; |
1105 | eval { |
1106 | local $SIG{__WARN__} = $gather_warning; |
1107 | $r = splice @h, $offset, $length, @list; |
1108 | }; |
1109 | $ms_error = $@; |
1110 | $ms_r = [ $r ]; |
1111 | } |
1112 | elsif ($context eq 'void') { |
1113 | eval { |
1114 | local $SIG{__WARN__} = $gather_warning; |
1115 | splice @h, $offset, $length, @list; |
1116 | }; |
1117 | $ms_error = $@; |
1118 | $ms_r = []; |
1119 | } |
1120 | else { |
1121 | die "bad context $context"; |
1122 | } |
1123 | |
1124 | foreach ($ms_error, @ms_warnings) { |
1125 | chomp; |
1126 | s/ at \S+ line \d+\.?$//; |
1127 | } |
1128 | |
1129 | return "different errors: '$s_error' vs '$ms_error'" |
1130 | if $s_error ne $ms_error; |
1131 | return('different return values: ' . Dumper($s_r) . ' vs ' . Dumper($ms_r)) |
1132 | if list_diff($s_r, $ms_r); |
1133 | return('different changed list: ' . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1134 | if list_diff(\@array, \@h); |
1135 | |
1136 | if ((scalar @s_warnings) != (scalar @ms_warnings)) { |
1137 | return 'different number of warnings'; |
1138 | } |
1139 | |
1140 | while (@s_warnings) { |
1141 | my $sw = shift @s_warnings; |
1142 | my $msw = shift @ms_warnings; |
1143 | |
1144 | if (defined $sw and defined $msw) { |
1145 | $msw =~ s/ \(.+\)$//; |
1146 | $msw =~ s/ in splice$// if $] < 5.006; |
1147 | if ($sw ne $msw) { |
1148 | return "different warning: '$sw' vs '$msw'"; |
1149 | } |
1150 | } |
1151 | elsif (not defined $sw and not defined $msw) { |
1152 | # Okay. |
1153 | } |
1154 | else { |
1155 | return "one warning defined, another undef"; |
1156 | } |
1157 | } |
1158 | |
1159 | undef $H; |
1160 | untie @h; |
1161 | |
1162 | open(TEXT, $tmp) or die "cannot open $tmp: $!"; |
1163 | @h = <TEXT>; chomp @h; |
1164 | close TEXT or die "cannot close $tmp: $!"; |
1165 | return('list is different when re-read from disk: ' |
1166 | . Dumper(\@array) . ' vs ' . Dumper(\@h)) |
1167 | if list_diff(\@array, \@h); |
1168 | |
1169 | return undef; # success |
1170 | } |
1171 | |
1172 | |
1173 | # list_diff() |
1174 | # |
1175 | # Do two lists differ? |
1176 | # |
1177 | # Parameters: |
1178 | # reference to first list |
1179 | # reference to second list |
1180 | # |
1181 | # Returns true iff they differ. Only works for lists of (string or |
1182 | # undef). |
1183 | # |
1184 | # Surely there is a better way to do this? |
1185 | # |
1186 | sub list_diff { |
1187 | die 'usage: list_diff(ref to first list, ref to second list)' |
1188 | if @_ != 2; |
1189 | my ($a, $b) = @_; |
1190 | my @a = @$a; my @b = @$b; |
1191 | return 1 if (scalar @a) != (scalar @b); |
1192 | for (my $i = 0; $i < @a; $i++) { |
1193 | my ($ae, $be) = ($a[$i], $b[$i]); |
1194 | if (defined $ae and defined $be) { |
1195 | return 1 if $ae ne $be; |
1196 | } |
1197 | elsif (not defined $ae and not defined $be) { |
1198 | # Two undefined values are 'equal' |
1199 | } |
1200 | else { |
1201 | return 1; |
1202 | } |
1203 | } |
1204 | return 0; |
1205 | } |
1206 | |
1207 | |
1208 | # rand_test() |
1209 | # |
1210 | # Think up a random ARRAY, OFFSET, LENGTH, LIST, and context. |
1211 | # ARRAY or LIST might be empty, and OFFSET or LENGTH might be |
1212 | # undefined. Return a 'test' - a listref of these five things. |
1213 | # |
1214 | sub rand_test { |
1215 | die 'usage: rand_test()' if @_; |
1216 | my @contexts = qw<list scalar void>; |
1217 | my $context = $contexts[int(rand @contexts)]; |
1218 | return [ rand_list(), |
1219 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1220 | (rand() < 0.5) ? (int(rand(20)) - 10) : undef, |
1221 | rand_list(), |
1222 | $context ]; |
1223 | } |
1224 | |
1225 | |
1226 | sub rand_list { |
1227 | die 'usage: rand_list()' if @_; |
1228 | my @r; |
1229 | |
1230 | while (rand() > 0.1 * (scalar @r + 1)) { |
1231 | push @r, rand_word(); |
1232 | } |
1233 | return \@r; |
1234 | } |
1235 | |
1236 | |
1237 | sub rand_word { |
1238 | die 'usage: rand_word()' if @_; |
1239 | my $r = ''; |
1240 | my @chars = qw<a b c d e f g h i j k l m n o p q r s t u v w x y z>; |
1241 | while (rand() > 0.1 * (length($r) + 1)) { |
1242 | $r .= $chars[int(rand(scalar @chars))]; |
1243 | } |
1244 | return $r; |
1245 | } |