make make_patchnum.sh (more) portable

[p5sagit/p5-mst-13.2.git] / t / io / tell.t

diff --git a/t/io/tell.t b/t/io/tell.t
index b89aefb..09b61a3 100755 (executable)
--- a/t/io/tell.t
+++ b/t/io/tell.t
@@ -1,23 +1,28 @@
 #!./perl
 
-# $RCSfile: tell.t,v $$Revision$$Date$
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+    require './test.pl';
+}
 
-print "1..21\n";
+print "1..28\n";
 
-$TST = 'tst';
+$TST = 'TST';
 
-$Is_Dosish = ($^O eq 'MSWin32' or $^O eq 'dos' or
-             $^O eq 'os2' or $^O eq 'mint' or $^O eq 'cygwin');
+$Is_Dosish = ($^O eq 'MSWin32' or $^O eq 'NetWare' or $^O eq 'dos' or
+              $^O eq 'os2' or $^O eq 'mint' or $^O eq 'cygwin' or
+              $^O =~ /^uwin/);
 
-open($TST, '../Configure') || (die "Can't open ../Configure");
+open($TST, 'harness') || (die "Can't open harness");
 binmode $TST if $Is_Dosish;
-if (eof(tst)) { print "not ok 1\n"; } else { print "ok 1\n"; }
+if (eof(TST)) { print "not ok 1\n"; } else { print "ok 1\n"; }
 
 $firstline = <$TST>;
 $secondpos = tell;
 
 $x = 0;
-while (<tst>) {
+while (<TST>) {
     if (eof) {$x++;}
 }
 if ($x == 1) { print "ok 2\n"; } else { print "not ok 2\n"; }
@@ -30,17 +35,17 @@ if (seek($TST,0,0)) { print "ok 4\n"; } else { print "not ok 4\n"; }
 
 if (eof) { print "not ok 5\n"; } else { print "ok 5\n"; }
 
-if ($firstline eq <tst>) { print "ok 6\n"; } else { print "not ok 6\n"; }
+if ($firstline eq <TST>) { print "ok 6\n"; } else { print "not ok 6\n"; }
 
 if ($secondpos == tell) { print "ok 7\n"; } else { print "not ok 7\n"; }
 
-if (seek(tst,0,1)) { print "ok 8\n"; } else { print "not ok 8\n"; }
+if (seek(TST,0,1)) { print "ok 8\n"; } else { print "not ok 8\n"; }
 
 if (eof($TST)) { print "not ok 9\n"; } else { print "ok 9\n"; }
 
 if ($secondpos == tell) { print "ok 10\n"; } else { print "not ok 10\n"; }
 
-if (seek(tst,0,2)) { print "ok 11\n"; } else { print "not ok 11\n"; }
+if (seek(TST,0,2)) { print "ok 11\n"; } else { print "not ok 11\n"; }
 
 if ($lastpos == tell) { print "ok 12\n"; } else { print "not ok 12\n"; }
 
@@ -49,19 +54,19 @@ unless (eof) { print "not ok 13\n"; } else { print "ok 13\n"; }
 if ($. == 0) { print "not ok 14\n"; } else { print "ok 14\n"; }
 
 $curline = $.;
-open(other, '../Configure') || (die "Can't open ../Configure");
-binmode other if $^O eq 'MSWin32';
+open(OTHER, 'harness') || (die "Can't open harness: $!");
+binmode OTHER if (($^O eq 'MSWin32') || ($^O eq 'NetWare'));
 
 {
     local($.);
 
     if ($. == 0) { print "not ok 15\n"; } else { print "ok 15\n"; }
 
-    tell other;
+    tell OTHER;
     if ($. == 0) { print "ok 16\n"; } else { print "not ok 16\n"; }
 
     $. = 5;
-    scalar <other>;
+    scalar <OTHER>;
     if ($. == 6) { print "ok 17\n"; } else { print "not ok 17\n"; }
 }
 
@@ -70,7 +75,7 @@ if ($. == $curline) { print "ok 18\n"; } else { print "not ok 18\n"; }
 {
     local($.);
 
-    scalar <other>;
+    scalar <OTHER>;
     if ($. == 7) { print "ok 19\n"; } else { print "not ok 19\n"; }
 }
 
@@ -79,6 +84,79 @@ if ($. == $curline) { print "ok 20\n"; } else { print "not ok 20\n"; }
 {
     local($.);
 
-    tell other;
+    tell OTHER;
     if ($. == 7) { print "ok 21\n"; } else { print "not ok 21\n"; }
 }
+
+close(OTHER);
+{
+    no warnings 'closed';
+    if (tell(OTHER) == -1)  { print "ok 22\n"; } else { print "not ok 22\n"; }
+}
+{
+    no warnings 'unopened';
+    if (tell(ETHER) == -1)  { print "ok 23\n"; } else { print "not ok 23\n"; }
+}
+
+# ftell(STDIN) (or any std streams) is undefined, it can return -1 or
+# something else.  ftell() on pipes, fifos, and sockets is defined to
+# return -1.
+
+my $written = tempfile();
+
+close($TST);
+open($tst,">$written")  || die "Cannot open $written:$!";
+binmode $tst if $Is_Dosish;
+
+if (tell($tst) == 0) { print "ok 24\n"; } else { print "not ok 24\n"; }
+
+print $tst "fred\n";
+
+if (tell($tst) == 5) { print "ok 25\n"; } else { print "not ok 25\n"; }
+
+print $tst "more\n";
+
+if (tell($tst) == 10) { print "ok 26\n"; } else { print "not ok 26\n"; }
+
+close($tst);
+
+open($tst,"+>>$written")  || die "Cannot open $written:$!";
+binmode $tst if $Is_Dosish;
+
+if (0) 
+{
+ # :stdio does not pass these so ignore them for now 
+
+if (tell($tst) == 0) { print "ok 27\n"; } else { print "not ok 27\n"; }
+
+$line = <$tst>;
+
+if ($line eq "fred\n") { print "ok 29\n"; } else { print "not ok 29\n"; }
+
+if (tell($tst) == 5) { print "ok 30\n"; } else { print "not ok 30\n"; }
+
+}
+
+print $tst "xxxx\n";
+
+if (tell($tst) == 15 ||
+    tell($tst) == 5) # unset PERLIO or PERLIO=stdio (e.g. HP-UX, Solaris)
+{ print "ok 27\n"; } else { print "not ok 27\n"; }
+
+close($tst);
+
+open($tst,">$written")  || die "Cannot open $written:$!";
+print $tst "foobar";
+close $tst;
+open($tst,">>$written")  || die "Cannot open $written:$!";
+
+# This test makes a questionable assumption that the file pointer will
+# be at eof after opening a file but before seeking, reading, or writing.
+# Only known failure is on cygwin.
+my $todo = $^O eq "cygwin" && &PerlIO::get_layers($tst) eq 'stdio'
+    && ' # TODO: file pointer not at eof';
+
+if (tell($tst) == 6)
+{ print "ok 28$todo\n"; } else { print "not ok 28$todo\n"; }
+close $tst;
+