Upgrade to Tie::File 0.15.

p4raw-id: //depot/perl@14970

1 files changed, 206 insertions, 0 deletions

diff --git a/lib/Tie/File/t/04_splice.t b/lib/Tie/File/t/04_splice.t
new file mode 100644
index 0000000000..e291809d3f
--- /dev/null
+++ b/lib/Tie/File/t/04_splice.t
@@ -0,0 +1,206 @@
+#!/usr/bin/perl
+#
+# Check SPLICE function's effect on the file
+# (07_rv_splice.t checks its return value)
+#
+# Each call to 'check_contents' actually performs two tests.
+# First, it calls the tied object's own 'check_integrity' method,
+# which makes sure that the contents of the read cache and offset tables
+# accurately reflect the contents of the file.  
+# Then, it checks the actual contents of the file against the expected
+# contents.
+
+my $file = "tf$$.txt";
+my $data = "rec0$/rec1$/rec2$/";
+
+print "1..101\n";
+
+init_file($data);
+
+my $N = 1;
+use Tie::File;
+print "ok $N\n"; $N++;  # partial credit just for showing up
+
+my $o = tie @a, 'Tie::File', $file;
+print $o ? "ok $N\n" : "not ok $N\n";
+$N++;
+
+my $n;
+
+# (3-22) splicing at the beginning
+splice(@a, 0, 0, "rec4");
+check_contents("rec4$/$data");
+splice(@a, 0, 1, "rec5");       # same length
+check_contents("rec5$/$data");
+splice(@a, 0, 1, "record5");    # longer
+check_contents("record5$/$data");
+
+splice(@a, 0, 1, "r5");         # shorter
+check_contents("r5$/$data");
+splice(@a, 0, 1);               # removal
+check_contents("$data");
+splice(@a, 0, 0);               # no-op
+check_contents("$data");
+splice(@a, 0, 0, 'r7', 'rec8'); # insert more than one
+check_contents("r7$/rec8$/$data");
+splice(@a, 0, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
+check_contents("rec7$/record8$/rec9$/$data");
+
+splice(@a, 0, 3, 'record9', 'rec10'); # delete more than insert
+check_contents("record9$/rec10$/$data");
+splice(@a, 0, 2);               # delete more than one
+check_contents("$data");
+
+
+# (23-42) splicing in the middle
+splice(@a, 1, 0, "rec4");
+check_contents("rec0$/rec4$/rec1$/rec2$/");
+splice(@a, 1, 1, "rec5");       # same length
+check_contents("rec0$/rec5$/rec1$/rec2$/");
+splice(@a, 1, 1, "record5");    # longer
+check_contents("rec0$/record5$/rec1$/rec2$/");
+
+splice(@a, 1, 1, "r5");         # shorter
+check_contents("rec0$/r5$/rec1$/rec2$/");
+splice(@a, 1, 1);               # removal
+check_contents("$data");
+splice(@a, 1, 0);               # no-op
+check_contents("$data");
+splice(@a, 1, 0, 'r7', 'rec8'); # insert more than one
+check_contents("rec0$/r7$/rec8$/rec1$/rec2$/");
+splice(@a, 1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
+check_contents("rec0$/rec7$/record8$/rec9$/rec1$/rec2$/");
+
+splice(@a, 1, 3, 'record9', 'rec10'); # delete more than insert
+check_contents("rec0$/record9$/rec10$/rec1$/rec2$/");
+splice(@a, 1, 2);               # delete more than one
+check_contents("$data");
+
+# (43-62) splicing at the end
+splice(@a, 3, 0, "rec4");
+check_contents("$ {data}rec4$/");
+splice(@a, 3, 1, "rec5");       # same length
+check_contents("$ {data}rec5$/");
+splice(@a, 3, 1, "record5");    # longer
+check_contents("$ {data}record5$/");
+
+splice(@a, 3, 1, "r5");         # shorter
+check_contents("$ {data}r5$/");
+splice(@a, 3, 1);               # removal
+check_contents("$data");
+splice(@a, 3, 0);               # no-op
+check_contents("$data");
+splice(@a, 3, 0, 'r7', 'rec8'); # insert more than one
+check_contents("$ {data}r7$/rec8$/");
+splice(@a, 3, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
+check_contents("$ {data}rec7$/record8$/rec9$/");
+
+splice(@a, 3, 3, 'record9', 'rec10'); # delete more than insert
+check_contents("$ {data}record9$/rec10$/");
+splice(@a, 3, 2);               # delete more than one
+check_contents("$data");
+
+# (63-82) splicing with negative subscript
+splice(@a, -1, 0, "rec4");
+check_contents("rec0$/rec1$/rec4$/rec2$/");
+splice(@a, -1, 1, "rec5");       # same length
+check_contents("rec0$/rec1$/rec4$/rec5$/");
+splice(@a, -1, 1, "record5");    # longer
+check_contents("rec0$/rec1$/rec4$/record5$/");
+
+splice(@a, -1, 1, "r5");         # shorter
+check_contents("rec0$/rec1$/rec4$/r5$/");
+splice(@a, -1, 1);               # removal
+check_contents("rec0$/rec1$/rec4$/");
+splice(@a, -1, 0);               # no-op  
+check_contents("rec0$/rec1$/rec4$/");
+splice(@a, -1, 0, 'r7', 'rec8'); # insert more than one
+check_contents("rec0$/rec1$/r7$/rec8$/rec4$/");
+splice(@a, -1, 2, 'rec7', 'record8', 'rec9'); # insert more than delete
+check_contents("rec0$/rec1$/r7$/rec8$/rec7$/record8$/rec9$/");
+
+splice(@a, -3, 3, 'record9', 'rec10'); # delete more than insert
+check_contents("rec0$/rec1$/r7$/rec8$/record9$/rec10$/");
+splice(@a, -4, 3);               # delete more than one
+check_contents("rec0$/rec1$/rec10$/");
+
+# (83-84) scrub it all out
+splice(@a, 0, 3);
+check_contents("");
+
+# (85-86) put some back in
+splice(@a, 0, 0, "rec0", "rec1");
+check_contents("rec0$/rec1$/");
+
+# (87-88) what if we remove too many records?
+splice(@a, 0, 17);
+check_contents("");
+
+# (89-92) In the past, splicing past the end was not correctly detected
+# (1.14)
+splice(@a, 89, 3);
+check_contents("");
+splice(@a, @a, 3);
+check_contents("");
+
+# (93-96) Also we did not emulate splice's freaky behavior when inserting
+# past the end of the array (1.14)
+splice(@a, 89, 0, "I", "like", "pie");
+check_contents("I$/like$/pie$/");
+splice(@a, 89, 0, "pie pie pie");
+check_contents("I$/like$/pie$/pie pie pie$/");
+
+# (97) Splicing with too large a negative number should be fatal
+# This test ignored because it causes 5.6.1 and 5.7.2 to dump core
+# NOT MY FAULT
+if ($] < 5.006 || $] > 5.007002) {
+  eval { splice(@a, -7, 0) };
+  print $@ =~ /^Modification of non-creatable array value attempted, subscript -7/
+      ? "ok $N\n" : "not ok $N \# \$\@ was '$@'\n";
+} else { 
+  print "ok $N \# skipped (5.6.0 through 5.7.2 dump core here.)\n";
+}
+$N++;
+       
+# (98-101) Test default arguments
+splice @a, 0, 0, (0..11);
+splice @a, 4;
+check_contents("0$/1$/2$/3$/");
+splice @a;
+check_contents("");
+    
+
+sub init_file {
+  my $data = shift;
+  open F, "> $file" or die $!;
+  binmode F;
+  print F $data;
+  close F;
+}
+
+use POSIX 'SEEK_SET';
+sub check_contents {
+  my $x = shift;
+  my $integrity = $o->_check_integrity($file, $ENV{INTEGRITY});
+  local *FH = $o->{fh};
+  seek FH, 0, SEEK_SET;
+  print $integrity ? "ok $N\n" : "not ok $N\n";
+  $N++;
+  my $a;
+  { local $/; $a = <FH> }
+  $a = "" unless defined $a;
+  if ($a eq $x) {
+    print "ok $N\n";
+  } else {
+    s{$/}{\\n}g for $a, $x;
+    print "not ok $N\n# expected <$x>, got <$a>\n";
+  }
+  $N++;
+}
+
+END {
+  undef $o;
+  untie @a;
+  1 while unlink $file;
+}
+