4 # Check SPLICE function's effect on the file
5 # (07_rv_splice.t checks its return value)
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
15 my $file = "tf$$.txt";
16 $: = Tie::File::_default_recsep();
17 my $data = "rec0$:rec1$:rec2$:";
24 print "ok $N\n"; $N++; # partial credit just for showing up
26 my $o = tie @a, 'Tie::File', $file;
27 print $o ? "ok $N\n" : "not ok $N\n";
33 # (3-22) splicing at the beginning
34 splice(@a, 0, 0, "rec4");
35 check_contents("rec4$:$data");
36 splice(@a, 0, 1, "rec5"); # same length
37 check_contents("rec5$:$data");
38 splice(@a, 0, 1, "record5"); # longer
39 check_contents("record5$:$data");
41 splice(@a, 0, 1, "r5"); # shorter
42 check_contents("r5$:$data");
43 splice(@a, 0, 1); # removal
44 check_contents("$data");
45 splice(@a, 0, 0); # no-op
46 check_contents("$data");
47 splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one
48 check_contents("r7$:rec8$:$data");
49 splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
50 check_contents("rec7$:record8$:rec9$:$data");
52 splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert
53 check_contents("record9$:rec10$:$data");
54 splice(@a, 0, 2); # delete more than one
55 check_contents("$data");
58 # (23-42) splicing in the middle
59 splice(@a, 1, 0, "rec4");
60 check_contents("rec0$:rec4$:rec1$:rec2$:");
61 splice(@a, 1, 1, "rec5"); # same length
62 check_contents("rec0$:rec5$:rec1$:rec2$:");
63 splice(@a, 1, 1, "record5"); # longer
64 check_contents("rec0$:record5$:rec1$:rec2$:");
66 splice(@a, 1, 1, "r5"); # shorter
67 check_contents("rec0$:r5$:rec1$:rec2$:");
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
73 check_contents("rec0$:r7$:rec8$:rec1$:rec2$:");
74 splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
75 check_contents("rec0$:rec7$:record8$:rec9$:rec1$:rec2$:");
77 splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert
78 check_contents("rec0$:record9$:rec10$:rec1$:rec2$:");
79 splice(@a, 1, 2); # delete more than one
80 check_contents("$data");
82 # (43-62) splicing at the end
83 splice(@a, 3, 0, "rec4");
84 check_contents("$ {data}rec4$:");
85 splice(@a, 3, 1, "rec5"); # same length
86 check_contents("$ {data}rec5$:");
87 splice(@a, 3, 1, "record5"); # longer
88 check_contents("$ {data}record5$:");
90 splice(@a, 3, 1, "r5"); # shorter
91 check_contents("$ {data}r5$:");
92 splice(@a, 3, 1); # removal
93 check_contents("$data");
94 splice(@a, 3, 0); # no-op
95 check_contents("$data");
96 splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one
97 check_contents("$ {data}r7$:rec8$:");
98 splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
99 check_contents("$ {data}rec7$:record8$:rec9$:");
101 splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert
102 check_contents("$ {data}record9$:rec10$:");
103 splice(@a, 3, 2); # delete more than one
104 check_contents("$data");
106 # (63-82) splicing with negative subscript
107 splice(@a, -1, 0, "rec4");
108 check_contents("rec0$:rec1$:rec4$:rec2$:");
109 splice(@a, -1, 1, "rec5"); # same length
110 check_contents("rec0$:rec1$:rec4$:rec5$:");
111 splice(@a, -1, 1, "record5"); # longer
112 check_contents("rec0$:rec1$:rec4$:record5$:");
114 splice(@a, -1, 1, "r5"); # shorter
115 check_contents("rec0$:rec1$:rec4$:r5$:");
116 splice(@a, -1, 1); # removal
117 check_contents("rec0$:rec1$:rec4$:");
118 splice(@a, -1, 0); # no-op
119 check_contents("rec0$:rec1$:rec4$:");
120 splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one
121 check_contents("rec0$:rec1$:r7$:rec8$:rec4$:");
122 splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
123 check_contents("rec0$:rec1$:r7$:rec8$:rec7$:record8$:rec9$:");
125 splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert
126 check_contents("rec0$:rec1$:r7$:rec8$:record9$:rec10$:");
127 splice(@a, -4, 3); # delete more than one
128 check_contents("rec0$:rec1$:rec10$:");
130 # (83-84) scrub it all out
134 # (85-86) put some back in
135 splice(@a, 0, 0, "rec0", "rec1");
136 check_contents("rec0$:rec1$:");
138 # (87-88) what if we remove too many records?
142 # (89-92) In the past, splicing past the end was not correctly detected
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");
152 check_contents("I$:like$:pie$:");
153 splice(@a, 89, 0, "pie pie pie");
154 check_contents("I$:like$:pie$:pie pie pie$:");
156 # (97) Splicing with too large a negative number should be fatal
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)
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";
165 print "ok $N \# skipped (5.6.0 through 5.8 dump core here.)\n";
169 # (98-101) Test default arguments
170 splice @a, 0, 0, (0..11);
172 check_contents("0$:1$:2$:3$:");
176 # (102-103) I think there's a bug here---it will fail to clear the EOF flag
179 check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:9$:10$:");
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.)
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)};
191 splice @a, 1, 0, undef, undef, undef;
192 print $good ? "ok $N\n" : "not ok $N # $warn\n";
194 print defined($a[2]) ? "ok $N\n" : "not ok $N\n";
196 my @r = splice @a, 2;
197 print defined($r[0]) ? "ok $N\n" : "not ok $N\n";
201 # (107-118) splice with negative length was treated wrong
202 # 20020402 Reported by Juerd Waalboer
205 check_contents("6$:7$:8$:");
208 check_contents("0$:6$:7$:8$:");
211 check_contents("0$:1$:2$:3$:4$:5$:6$:7$:8$:");
214 check_contents("0$:1$:2$:");
217 check_contents("0$:1$:2$:");
220 check_contents("0$:1$:2$:");
224 open F, "> $file" or die $!;
230 use POSIX 'SEEK_SET';
233 my $integrity = $o->_check_integrity($file, $ENV{INTEGRITY});
234 local *FH = $o->{fh};
235 seek FH, 0, SEEK_SET;
236 print $integrity ? "ok $N\n" : "not ok $N\n";
239 { local $/; $a = <FH> }
240 $a = "" unless defined $a;
245 print "not ok $N\n# expected <$x>, got <$a>\n";
261 1 while unlink $file;