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1 | #!/usr/bin/perl |
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2 | |
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3 | # |
4 | # Check SPLICE function's effect on the file |
5 | # (07_rv_splice.t checks its return value) |
6 | # |
7 | # Each call to 'check_contents' actually performs two tests. |
8 | # First, it calls the tied object's own 'check_integrity' method, |
9 | # which makes sure that the contents of the read cache and offset tables |
10 | # accurately reflect the contents of the file. |
11 | # Then, it checks the actual contents of the file against the expected |
12 | # contents. |
13 | |
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14 | |
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15 | my $file = "tf$$.txt"; |
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16 | $: = Tie::File::_default_recsep(); |
17 | my $data = "rec0$:rec1$:rec2$:"; |
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18 | print "1..118\n"; |
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19 | |
20 | init_file($data); |
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21 | |
22 | my $N = 1; |
23 | use Tie::File; |
24 | print "ok $N\n"; $N++; # partial credit just for showing up |
25 | |
26 | my $o = tie @a, 'Tie::File', $file; |
27 | print $o ? "ok $N\n" : "not ok $N\n"; |
28 | $N++; |
29 | |
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30 | $: = $o->{recsep}; |
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31 | my $n; |
32 | |
33 | # (3-22) splicing at the beginning |
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34 | splice(@a, 0, 0, "rec4"); |
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35 | check_contents("rec4$:$data"); |
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36 | splice(@a, 0, 1, "rec5"); # same length |
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37 | check_contents("rec5$:$data"); |
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38 | splice(@a, 0, 1, "record5"); # longer |
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39 | check_contents("record5$:$data"); |
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40 | |
41 | splice(@a, 0, 1, "r5"); # shorter |
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42 | check_contents("r5$:$data"); |
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43 | splice(@a, 0, 1); # removal |
44 | check_contents("$data"); |
45 | splice(@a, 0, 0); # no-op |
46 | check_contents("$data"); |
47 | splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one |
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48 | check_contents("r7$:rec8$:$data"); |
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49 | splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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50 | check_contents("rec7$:record8$:rec9$:$data"); |
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51 | |
52 | splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert |
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53 | check_contents("record9$:rec10$:$data"); |
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54 | splice(@a, 0, 2); # delete more than one |
55 | check_contents("$data"); |
56 | |
57 | |
58 | # (23-42) splicing in the middle |
59 | splice(@a, 1, 0, "rec4"); |
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60 | check_contents("rec0$:rec4$:rec1$:rec2$:"); |
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61 | splice(@a, 1, 1, "rec5"); # same length |
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62 | check_contents("rec0$:rec5$:rec1$:rec2$:"); |
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63 | splice(@a, 1, 1, "record5"); # longer |
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64 | check_contents("rec0$:record5$:rec1$:rec2$:"); |
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65 | |
66 | splice(@a, 1, 1, "r5"); # shorter |
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67 | check_contents("rec0$:r5$:rec1$:rec2$:"); |
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68 | splice(@a, 1, 1); # removal |
69 | check_contents("$data"); |
70 | splice(@a, 1, 0); # no-op |
71 | check_contents("$data"); |
72 | splice(@a, 1, 0, 'r7', 'rec8'); # insert more than one |
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73 | check_contents("rec0$:r7$:rec8$:rec1$:rec2$:"); |
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74 | splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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75 | check_contents("rec0$:rec7$:record8$:rec9$:rec1$:rec2$:"); |
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76 | |
77 | splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert |
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78 | check_contents("rec0$:record9$:rec10$:rec1$:rec2$:"); |
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79 | splice(@a, 1, 2); # delete more than one |
80 | check_contents("$data"); |
81 | |
82 | # (43-62) splicing at the end |
83 | splice(@a, 3, 0, "rec4"); |
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84 | check_contents("$ {data}rec4$:"); |
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85 | splice(@a, 3, 1, "rec5"); # same length |
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86 | check_contents("$ {data}rec5$:"); |
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87 | splice(@a, 3, 1, "record5"); # longer |
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88 | check_contents("$ {data}record5$:"); |
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89 | |
90 | splice(@a, 3, 1, "r5"); # shorter |
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91 | check_contents("$ {data}r5$:"); |
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92 | splice(@a, 3, 1); # removal |
93 | check_contents("$data"); |
94 | splice(@a, 3, 0); # no-op |
95 | check_contents("$data"); |
96 | splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one |
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97 | check_contents("$ {data}r7$:rec8$:"); |
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98 | splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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99 | check_contents("$ {data}rec7$:record8$:rec9$:"); |
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100 | |
101 | splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert |
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102 | check_contents("$ {data}record9$:rec10$:"); |
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103 | splice(@a, 3, 2); # delete more than one |
104 | check_contents("$data"); |
105 | |
106 | # (63-82) splicing with negative subscript |
107 | splice(@a, -1, 0, "rec4"); |
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108 | check_contents("rec0$:rec1$:rec4$:rec2$:"); |
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109 | splice(@a, -1, 1, "rec5"); # same length |
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110 | check_contents("rec0$:rec1$:rec4$:rec5$:"); |
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111 | splice(@a, -1, 1, "record5"); # longer |
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112 | check_contents("rec0$:rec1$:rec4$:record5$:"); |
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113 | |
114 | splice(@a, -1, 1, "r5"); # shorter |
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115 | check_contents("rec0$:rec1$:rec4$:r5$:"); |
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116 | splice(@a, -1, 1); # removal |
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117 | check_contents("rec0$:rec1$:rec4$:"); |
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118 | splice(@a, -1, 0); # no-op |
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119 | check_contents("rec0$:rec1$:rec4$:"); |
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120 | splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one |
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121 | check_contents("rec0$:rec1$:r7$:rec8$:rec4$:"); |
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122 | splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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123 | check_contents("rec0$:rec1$:r7$:rec8$:rec7$:record8$:rec9$:"); |
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124 | |
125 | splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert |
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126 | check_contents("rec0$:rec1$:r7$:rec8$:record9$:rec10$:"); |
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127 | splice(@a, -4, 3); # delete more than one |
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128 | check_contents("rec0$:rec1$:rec10$:"); |
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129 | |
130 | # (83-84) scrub it all out |
131 | splice(@a, 0, 3); |
132 | check_contents(""); |
133 | |
134 | # (85-86) put some back in |
135 | splice(@a, 0, 0, "rec0", "rec1"); |
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136 | check_contents("rec0$:rec1$:"); |
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137 | |
138 | # (87-88) what if we remove too many records? |
139 | splice(@a, 0, 17); |
140 | check_contents(""); |
141 | |
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142 | # (89-92) In the past, splicing past the end was not correctly detected |
143 | # (1.14) |
144 | splice(@a, 89, 3); |
145 | check_contents(""); |
146 | splice(@a, @a, 3); |
147 | check_contents(""); |
148 | |
149 | # (93-96) Also we did not emulate splice's freaky behavior when inserting |
150 | # past the end of the array (1.14) |
151 | splice(@a, 89, 0, "I", "like", "pie"); |
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152 | check_contents("I$:like$:pie$:"); |
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153 | splice(@a, 89, 0, "pie pie pie"); |
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154 | check_contents("I$:like$:pie$:pie pie pie$:"); |
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155 | |
156 | # (97) Splicing with too large a negative number should be fatal |
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157 | # This test ignored because it causes 5.6.1 and 5.7.3 to dump core |
158 | # It also garbles the stack under 5.005_03 (20020401) |
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159 | # NOT MY FAULT |
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160 | if ($] > 5.008) { |
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161 | eval { splice(@a, -7, 0) }; |
162 | print $@ =~ /^Modification of non-creatable array value attempted, subscript -7/ |
163 | ? "ok $N\n" : "not ok $N \# \$\@ was '$@'\n"; |
164 | } else { |
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165 | print "ok $N \# skipped (5.6.0 through 5.8 dump core here.)\n"; |
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166 | } |
167 | $N++; |
168 | |
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169 | # (98-101) Test default arguments |
170 | splice @a, 0, 0, (0..11); |
171 | splice @a, 4; |
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172 | check_contents("0$:1$:2$:3$:"); |
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173 | splice @a; |
174 | check_contents(""); |
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175 | |
176 | # (102-103) I think there's a bug here---it will fail to clear the EOF flag |
177 | @a = (0..11); |
178 | splice @a, -1, 1000; |
179 | check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:9$:10$:"); |
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180 | |
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181 | # (104-106) make sure that undefs are treated correctly---they should |
182 | # be converted to empty records, and should not raise any warnings. |
183 | # (Some of these failed in 0.90. The change to _fixrec fixed them.) |
184 | # 20020331 |
185 | { |
186 | my $good = 1; my $warn; |
187 | # If any of these raise warnings, we have a problem. |
188 | local $SIG{__WARN__} = sub { $good = 0; $warn = shift(); ctrlfix($warn)}; |
189 | local $^W = 1; |
190 | @a = (1); |
191 | splice @a, 1, 0, undef, undef, undef; |
192 | print $good ? "ok $N\n" : "not ok $N # $warn\n"; |
193 | $N++; $good = 1; |
194 | print defined($a[2]) ? "ok $N\n" : "not ok $N\n"; |
195 | $N++; $good = 1; |
196 | my @r = splice @a, 2; |
197 | print defined($r[0]) ? "ok $N\n" : "not ok $N\n"; |
198 | $N++; $good = 1; |
199 | } |
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200 | |
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201 | # (107-118) splice with negative length was treated wrong |
202 | # 20020402 Reported by Juerd Waalboer |
203 | @a = (0..8) ; |
204 | splice @a, 0, -3; |
205 | check_contents("6$:7$:8$:"); |
206 | @a = (0..8) ; |
207 | splice @a, 1, -3; |
208 | check_contents("0$:6$:7$:8$:"); |
209 | @a = (0..8) ; |
210 | splice @a, 7, -3; |
211 | check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:"); |
212 | @a = (0..2) ; |
213 | splice @a, 0, -3; |
214 | check_contents("0$:1$:2$:"); |
215 | @a = (0..2) ; |
216 | splice @a, 1, -3; |
217 | check_contents("0$:1$:2$:"); |
218 | @a = (0..2) ; |
219 | splice @a, 7, -3; |
220 | check_contents("0$:1$:2$:"); |
221 | |
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222 | sub init_file { |
223 | my $data = shift; |
224 | open F, "> $file" or die $!; |
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225 | binmode F; |
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226 | print F $data; |
227 | close F; |
228 | } |
229 | |
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230 | use POSIX 'SEEK_SET'; |
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231 | sub check_contents { |
232 | my $x = shift; |
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233 | my $integrity = $o->_check_integrity($file, $ENV{INTEGRITY}); |
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234 | local *FH = $o->{fh}; |
235 | seek FH, 0, SEEK_SET; |
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236 | print $integrity ? "ok $N\n" : "not ok $N\n"; |
237 | $N++; |
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238 | my $a; |
239 | { local $/; $a = <FH> } |
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240 | $a = "" unless defined $a; |
241 | if ($a eq $x) { |
242 | print "ok $N\n"; |
243 | } else { |
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244 | ctrlfix($a, $x); |
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245 | print "not ok $N\n# expected <$x>, got <$a>\n"; |
246 | } |
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247 | $N++; |
248 | } |
249 | |
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250 | |
251 | sub ctrlfix { |
252 | for (@_) { |
253 | s/\n/\\n/g; |
254 | s/\r/\\r/g; |
255 | } |
256 | } |
257 | |
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258 | END { |
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259 | undef $o; |
260 | untie @a; |
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261 | 1 while unlink $file; |
262 | } |
263 | |