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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 | $| = 1; |
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16 | my $file = "tf$$.txt"; |
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17 | $: = Tie::File::_default_recsep(); |
18 | my $data = "rec0$:rec1$:rec2$:"; |
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19 | print "1..118\n"; |
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20 | |
21 | init_file($data); |
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22 | |
23 | my $N = 1; |
24 | use Tie::File; |
25 | print "ok $N\n"; $N++; # partial credit just for showing up |
26 | |
27 | my $o = tie @a, 'Tie::File', $file; |
28 | print $o ? "ok $N\n" : "not ok $N\n"; |
29 | $N++; |
30 | |
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31 | $: = $o->{recsep}; |
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32 | my $n; |
33 | |
34 | # (3-22) splicing at the beginning |
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35 | splice(@a, 0, 0, "rec4"); |
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36 | check_contents("rec4$:$data"); |
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37 | splice(@a, 0, 1, "rec5"); # same length |
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38 | check_contents("rec5$:$data"); |
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39 | splice(@a, 0, 1, "record5"); # longer |
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40 | check_contents("record5$:$data"); |
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41 | |
42 | splice(@a, 0, 1, "r5"); # shorter |
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43 | check_contents("r5$:$data"); |
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44 | splice(@a, 0, 1); # removal |
45 | check_contents("$data"); |
46 | splice(@a, 0, 0); # no-op |
47 | check_contents("$data"); |
48 | splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one |
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49 | check_contents("r7$:rec8$:$data"); |
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50 | splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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51 | check_contents("rec7$:record8$:rec9$:$data"); |
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52 | |
53 | splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert |
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54 | check_contents("record9$:rec10$:$data"); |
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55 | splice(@a, 0, 2); # delete more than one |
56 | check_contents("$data"); |
57 | |
58 | |
59 | # (23-42) splicing in the middle |
60 | splice(@a, 1, 0, "rec4"); |
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61 | check_contents("rec0$:rec4$:rec1$:rec2$:"); |
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62 | splice(@a, 1, 1, "rec5"); # same length |
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63 | check_contents("rec0$:rec5$:rec1$:rec2$:"); |
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64 | splice(@a, 1, 1, "record5"); # longer |
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65 | check_contents("rec0$:record5$:rec1$:rec2$:"); |
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66 | |
67 | splice(@a, 1, 1, "r5"); # shorter |
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68 | check_contents("rec0$:r5$:rec1$:rec2$:"); |
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69 | splice(@a, 1, 1); # removal |
70 | check_contents("$data"); |
71 | splice(@a, 1, 0); # no-op |
72 | check_contents("$data"); |
73 | splice(@a, 1, 0, 'r7', 'rec8'); # insert more than one |
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74 | check_contents("rec0$:r7$:rec8$:rec1$:rec2$:"); |
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75 | splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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76 | check_contents("rec0$:rec7$:record8$:rec9$:rec1$:rec2$:"); |
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77 | |
78 | splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert |
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79 | check_contents("rec0$:record9$:rec10$:rec1$:rec2$:"); |
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80 | splice(@a, 1, 2); # delete more than one |
81 | check_contents("$data"); |
82 | |
83 | # (43-62) splicing at the end |
84 | splice(@a, 3, 0, "rec4"); |
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85 | check_contents("$ {data}rec4$:"); |
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86 | splice(@a, 3, 1, "rec5"); # same length |
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87 | check_contents("$ {data}rec5$:"); |
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88 | splice(@a, 3, 1, "record5"); # longer |
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89 | check_contents("$ {data}record5$:"); |
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90 | |
91 | splice(@a, 3, 1, "r5"); # shorter |
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92 | check_contents("$ {data}r5$:"); |
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93 | splice(@a, 3, 1); # removal |
94 | check_contents("$data"); |
95 | splice(@a, 3, 0); # no-op |
96 | check_contents("$data"); |
97 | splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one |
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98 | check_contents("$ {data}r7$:rec8$:"); |
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99 | splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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100 | check_contents("$ {data}rec7$:record8$:rec9$:"); |
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101 | |
102 | splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert |
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103 | check_contents("$ {data}record9$:rec10$:"); |
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104 | splice(@a, 3, 2); # delete more than one |
105 | check_contents("$data"); |
106 | |
107 | # (63-82) splicing with negative subscript |
108 | splice(@a, -1, 0, "rec4"); |
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109 | check_contents("rec0$:rec1$:rec4$:rec2$:"); |
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110 | splice(@a, -1, 1, "rec5"); # same length |
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111 | check_contents("rec0$:rec1$:rec4$:rec5$:"); |
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112 | splice(@a, -1, 1, "record5"); # longer |
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113 | check_contents("rec0$:rec1$:rec4$:record5$:"); |
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114 | |
115 | splice(@a, -1, 1, "r5"); # shorter |
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116 | check_contents("rec0$:rec1$:rec4$:r5$:"); |
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117 | splice(@a, -1, 1); # removal |
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118 | check_contents("rec0$:rec1$:rec4$:"); |
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119 | splice(@a, -1, 0); # no-op |
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120 | check_contents("rec0$:rec1$:rec4$:"); |
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121 | splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one |
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122 | check_contents("rec0$:rec1$:r7$:rec8$:rec4$:"); |
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123 | splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete |
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124 | check_contents("rec0$:rec1$:r7$:rec8$:rec7$:record8$:rec9$:"); |
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125 | |
126 | splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert |
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127 | check_contents("rec0$:rec1$:r7$:rec8$:record9$:rec10$:"); |
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128 | splice(@a, -4, 3); # delete more than one |
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129 | check_contents("rec0$:rec1$:rec10$:"); |
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130 | |
131 | # (83-84) scrub it all out |
132 | splice(@a, 0, 3); |
133 | check_contents(""); |
134 | |
135 | # (85-86) put some back in |
136 | splice(@a, 0, 0, "rec0", "rec1"); |
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137 | check_contents("rec0$:rec1$:"); |
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138 | |
139 | # (87-88) what if we remove too many records? |
140 | splice(@a, 0, 17); |
141 | check_contents(""); |
142 | |
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143 | # (89-92) In the past, splicing past the end was not correctly detected |
144 | # (1.14) |
145 | splice(@a, 89, 3); |
146 | check_contents(""); |
147 | splice(@a, @a, 3); |
148 | check_contents(""); |
149 | |
150 | # (93-96) Also we did not emulate splice's freaky behavior when inserting |
151 | # past the end of the array (1.14) |
152 | splice(@a, 89, 0, "I", "like", "pie"); |
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153 | check_contents("I$:like$:pie$:"); |
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154 | splice(@a, 89, 0, "pie pie pie"); |
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155 | check_contents("I$:like$:pie$:pie pie pie$:"); |
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156 | |
157 | # (97) Splicing with too large a negative number should be fatal |
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158 | # This test ignored because it causes 5.6.1 and 5.7.3 to dump core |
159 | # It also garbles the stack under 5.005_03 (20020401) |
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160 | # NOT MY FAULT |
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161 | if ($] > 5.007003) { |
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162 | eval { splice(@a, -7, 0) }; |
163 | print $@ =~ /^Modification of non-creatable array value attempted, subscript -7/ |
164 | ? "ok $N\n" : "not ok $N \# \$\@ was '$@'\n"; |
165 | } else { |
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166 | print "ok $N \# skipped (versions through 5.7.3 dump core here.)\n"; |
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167 | } |
168 | $N++; |
169 | |
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170 | # (98-101) Test default arguments |
171 | splice @a, 0, 0, (0..11); |
172 | splice @a, 4; |
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173 | check_contents("0$:1$:2$:3$:"); |
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174 | splice @a; |
175 | check_contents(""); |
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176 | |
177 | # (102-103) I think there's a bug here---it will fail to clear the EOF flag |
178 | @a = (0..11); |
179 | splice @a, -1, 1000; |
180 | check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:9$:10$:"); |
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181 | |
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182 | # (104-106) make sure that undefs are treated correctly---they should |
183 | # be converted to empty records, and should not raise any warnings. |
184 | # (Some of these failed in 0.90. The change to _fixrec fixed them.) |
185 | # 20020331 |
186 | { |
187 | my $good = 1; my $warn; |
188 | # If any of these raise warnings, we have a problem. |
189 | local $SIG{__WARN__} = sub { $good = 0; $warn = shift(); ctrlfix($warn)}; |
190 | local $^W = 1; |
191 | @a = (1); |
192 | splice @a, 1, 0, undef, undef, undef; |
193 | print $good ? "ok $N\n" : "not ok $N # $warn\n"; |
194 | $N++; $good = 1; |
195 | print defined($a[2]) ? "ok $N\n" : "not ok $N\n"; |
196 | $N++; $good = 1; |
197 | my @r = splice @a, 2; |
198 | print defined($r[0]) ? "ok $N\n" : "not ok $N\n"; |
199 | $N++; $good = 1; |
200 | } |
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201 | |
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202 | # (107-118) splice with negative length was treated wrong |
203 | # 20020402 Reported by Juerd Waalboer |
204 | @a = (0..8) ; |
205 | splice @a, 0, -3; |
206 | check_contents("6$:7$:8$:"); |
207 | @a = (0..8) ; |
208 | splice @a, 1, -3; |
209 | check_contents("0$:6$:7$:8$:"); |
210 | @a = (0..8) ; |
211 | splice @a, 7, -3; |
212 | check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:"); |
213 | @a = (0..2) ; |
214 | splice @a, 0, -3; |
215 | check_contents("0$:1$:2$:"); |
216 | @a = (0..2) ; |
217 | splice @a, 1, -3; |
218 | check_contents("0$:1$:2$:"); |
219 | @a = (0..2) ; |
220 | splice @a, 7, -3; |
221 | check_contents("0$:1$:2$:"); |
222 | |
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223 | sub init_file { |
224 | my $data = shift; |
225 | open F, "> $file" or die $!; |
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226 | binmode F; |
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227 | print F $data; |
228 | close F; |
229 | } |
230 | |
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231 | use POSIX 'SEEK_SET'; |
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232 | sub check_contents { |
233 | my $x = shift; |
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234 | my $integrity = $o->_check_integrity($file, $ENV{INTEGRITY}); |
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235 | local *FH = $o->{fh}; |
236 | seek FH, 0, SEEK_SET; |
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237 | print $integrity ? "ok $N\n" : "not ok $N\n"; |
238 | $N++; |
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239 | my $a; |
240 | { local $/; $a = <FH> } |
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241 | $a = "" unless defined $a; |
242 | if ($a eq $x) { |
243 | print "ok $N\n"; |
244 | } else { |
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245 | ctrlfix($a, $x); |
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246 | print "not ok $N\n# expected <$x>, got <$a>\n"; |
247 | } |
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248 | $N++; |
249 | } |
250 | |
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251 | |
252 | sub ctrlfix { |
253 | for (@_) { |
254 | s/\n/\\n/g; |
255 | s/\r/\\r/g; |
256 | } |
257 | } |
258 | |
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259 | END { |
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260 | undef $o; |
261 | untie @a; |
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262 | 1 while unlink $file; |
263 | } |
264 | |