3 # Check SPLICE function's return value
4 # (04_splice.t checks its effect on the file)
8 my $data = "rec0blahrec1blahrec2blah";
14 print "ok $N\n"; $N++; # partial credit just for showing up
18 my $o = tie @a, 'Tie::File', $file, autochomp => 0, recsep => 'blah';
19 print $o ? "ok $N\n" : "not ok $N\n";
24 # (3-12) splicing at the beginning
25 @r = splice(@a, 0, 0, "rec4");
27 @r = splice(@a, 0, 1, "rec5"); # same length
29 @r = splice(@a, 0, 1, "record5"); # longer
32 @r = splice(@a, 0, 1, "r5"); # shorter
33 check_result("record5");
34 @r = splice(@a, 0, 1); # removal
36 @r = splice(@a, 0, 0); # no-op
38 @r = splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one
40 @r = splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
41 check_result('r7', 'rec8');
43 @r = splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert
44 check_result('rec7', 'record8', 'rec9');
45 @r = splice(@a, 0, 2); # delete more than one
46 check_result('record9', 'rec10');
49 # (13-22) splicing in the middle
50 @r = splice(@a, 1, 0, "rec4");
52 @r = splice(@a, 1, 1, "rec5"); # same length
54 @r = splice(@a, 1, 1, "record5"); # longer
57 @r = splice(@a, 1, 1, "r5"); # shorter
58 check_result("record5");
59 @r = splice(@a, 1, 1); # removal
61 @r = splice(@a, 1, 0); # no-op
63 @r = splice(@a, 1, 0, 'r7', 'rec8'); # insert more than one
65 @r = splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
66 check_result('r7', 'rec8');
68 @r = splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert
69 check_result('rec7', 'record8', 'rec9');
70 @r = splice(@a, 1, 2); # delete more than one
71 check_result('record9','rec10');
73 # (23-32) splicing at the end
74 @r = splice(@a, 3, 0, "rec4");
76 @r = splice(@a, 3, 1, "rec5"); # same length
78 @r = splice(@a, 3, 1, "record5"); # longer
81 @r = splice(@a, 3, 1, "r5"); # shorter
82 check_result('record5');
83 @r = splice(@a, 3, 1); # removal
85 @r = splice(@a, 3, 0); # no-op
87 @r = splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one
89 @r = splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
90 check_result('r7', 'rec8');
92 @r = splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert
93 check_result('rec7', 'record8', 'rec9');
94 @r = splice(@a, 3, 2); # delete more than one
95 check_result('record9', 'rec10');
97 # (33-42) splicing with negative subscript
98 @r = splice(@a, -1, 0, "rec4");
100 @r = splice(@a, -1, 1, "rec5"); # same length
101 check_result('rec2');
102 @r = splice(@a, -1, 1, "record5"); # longer
103 check_result("rec5");
105 @r = splice(@a, -1, 1, "r5"); # shorter
106 check_result("record5");
107 @r = splice(@a, -1, 1); # removal
109 @r = splice(@a, -1, 0); # no-op
111 @r = splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one
113 @r = splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
114 check_result('rec4');
116 @r = splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert
117 check_result('rec7', 'record8', 'rec9');
118 @r = splice(@a, -4, 3); # delete more than one
119 check_result('r7', 'rec8', 'record9');
121 # (43) scrub it all out
122 @r = splice(@a, 0, 3);
123 check_result('rec0', 'rec1', 'rec10');
125 # (44) put some back in
126 @r = splice(@a, 0, 0, "rec0", "rec1");
129 # (45) what if we remove too many records?
130 @r = splice(@a, 0, 17);
131 check_result('rec0', 'rec1');
133 # (46-48) Now check the scalar context return
134 splice(@a, 0, 0, qw(I like pie));
136 $r = splice(@a, 0, 0);
137 print !defined($r) ? "ok $N\n" : "not ok $N \# return should have been undef\n";
140 $r = splice(@a, 2, 1);
141 print $r eq "pieblah" ? "ok $N\n" : "not ok $N \# return should have been 'pie'\n";
144 $r = splice(@a, 0, 2);
145 print $r eq "likeblah" ? "ok $N\n" : "not ok $N \# return should have been 'like'\n";
148 # (49-50) Test default arguments
149 splice @a, 0, 0, (0..11);
157 open F, "> $file" or die $!;
163 # actual results are in @r.
164 # expected results are in @_
169 $good = 0 unless @r == @x;
170 for my $i (0 .. $#r) {
171 $good = 0 unless $r[$i] eq $x[$i];
173 print $good ? "ok $N\n" : "not ok $N \# was (@r); should be (@x)\n";
180 1 while unlink $file;