diff options
Diffstat (limited to 'lib/Tie/File/t/23_rv_ac_splice.t')
| -rw-r--r-- | lib/Tie/File/t/23_rv_ac_splice.t | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/Tie/File/t/23_rv_ac_splice.t b/lib/Tie/File/t/23_rv_ac_splice.t new file mode 100644 index 0000000000..be229574f9 --- /dev/null +++ b/lib/Tie/File/t/23_rv_ac_splice.t @@ -0,0 +1,182 @@ +#!/usr/bin/perl +# +# Check SPLICE function's return value when autochoping is now +# (07_rv_splice.t checks it aith autochomping off) +# + +my $file = "tf$$.txt"; +$: = Tie::File::_default_recsep(); +my $data = "rec0$:rec1$:rec2$:"; + +print "1..50\n"; + +my $N = 1; +use Tie::File; +print "ok $N\n"; $N++; # partial credit just for showing up + +init_file($data); + +my $o = tie @a, 'Tie::File', $file, autochomp => 1; +print $o ? "ok $N\n" : "not ok $N\n"; +$N++; + +my $n; + +# (3-12) splicing at the beginning +@r = splice(@a, 0, 0, "rec4"); +check_result(); +@r = splice(@a, 0, 1, "rec5"); # same length +check_result("rec4"); +@r = splice(@a, 0, 1, "record5"); # longer +check_result("rec5"); + +@r = splice(@a, 0, 1, "r5"); # shorter +check_result("record5"); +@r = splice(@a, 0, 1); # removal +check_result("r5"); +@r = splice(@a, 0, 0); # no-op +check_result(); +@r = splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one +check_result(); +@r = splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete +check_result('r7', 'rec8'); + +@r = splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert +check_result('rec7', 'record8', 'rec9'); +@r = splice(@a, 0, 2); # delete more than one +check_result('record9', 'rec10'); + + +# (13-22) splicing in the middle +@r = splice(@a, 1, 0, "rec4"); +check_result(); +@r = splice(@a, 1, 1, "rec5"); # same length +check_result('rec4'); +@r = splice(@a, 1, 1, "record5"); # longer +check_result('rec5'); + +@r = splice(@a, 1, 1, "r5"); # shorter +check_result("record5"); +@r = splice(@a, 1, 1); # removal +check_result("r5"); +@r = splice(@a, 1, 0); # no-op +check_result(); +@r = splice(@a, 1, 0, 'r7', 'rec8'); # insert more than one +check_result(); +@r = splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete +check_result('r7', 'rec8'); + +@r = splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert +check_result('rec7', 'record8', 'rec9'); +@r = splice(@a, 1, 2); # delete more than one +check_result('record9','rec10'); + +# (23-32) splicing at the end +@r = splice(@a, 3, 0, "rec4"); +check_result(); +@r = splice(@a, 3, 1, "rec5"); # same length +check_result('rec4'); +@r = splice(@a, 3, 1, "record5"); # longer +check_result('rec5'); + +@r = splice(@a, 3, 1, "r5"); # shorter +check_result('record5'); +@r = splice(@a, 3, 1); # removal +check_result('r5'); +@r = splice(@a, 3, 0); # no-op +check_result(); +@r = splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one +check_result(); +@r = splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete +check_result('r7', 'rec8'); + +@r = splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert +check_result('rec7', 'record8', 'rec9'); +@r = splice(@a, 3, 2); # delete more than one +check_result('record9', 'rec10'); + +# (33-42) splicing with negative subscript +@r = splice(@a, -1, 0, "rec4"); +check_result(); +@r = splice(@a, -1, 1, "rec5"); # same length +check_result('rec2'); +@r = splice(@a, -1, 1, "record5"); # longer +check_result("rec5"); + +@r = splice(@a, -1, 1, "r5"); # shorter +check_result("record5"); +@r = splice(@a, -1, 1); # removal +check_result("r5"); +@r = splice(@a, -1, 0); # no-op +check_result(); +@r = splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one +check_result(); +@r = splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete +check_result('rec4'); + +@r = splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert +check_result('rec7', 'record8', 'rec9'); +@r = splice(@a, -4, 3); # delete more than one +check_result('r7', 'rec8', 'record9'); + +# (43) scrub it all out +@r = splice(@a, 0, 3); +check_result('rec0', 'rec1', 'rec10'); + +# (44) put some back in +@r = splice(@a, 0, 0, "rec0", "rec1"); +check_result(); + +# (45) what if we remove too many records? +@r = splice(@a, 0, 17); +check_result('rec0', 'rec1'); + +# (46-48) Now check the scalar context return +splice(@a, 0, 0, qw(I like pie)); +my $r; +$r = splice(@a, 0, 0); +print !defined($r) ? "ok $N\n" : "not ok $N \# return should have been undef, was <$r>\n"; +$N++; + +$r = splice(@a, 2, 1); +print $r eq "pie" ? "ok $N\n" : "not ok $N \# return should have been 'pie', was <$r>\n"; +$N++; + +$r = splice(@a, 0, 2); +print $r eq "like" ? "ok $N\n" : "not ok $N \# return should have been 'like', was <$r>\n"; +$N++; + +# (49-50) Test default arguments +splice @a, 0, 0, (0..11); +@r = splice @a, 4; +check_result(4..11); +@r = splice @a; +check_result(0..3); + +sub init_file { + my $data = shift; + open F, "> $file" or die $!; + binmode F; + print F $data; + close F; +} + +# actual results are in @r. +# expected results are in @_ +sub check_result { + my @x = @_; + my $good = 1; + $good = 0 unless @r == @x; + for my $i (0 .. $#r) { + $good = 0 unless $r[$i] eq $x[$i]; + } + print $good ? "ok $N\n" : "not ok $N \# was (@r); should be (@x)\n"; + $N++; +} + +END { + undef $o; + untie @a; + 1 while unlink $file; +} + |