+# formline tests
+
+$mustbe = <<EOT;
+@ a
+@> ab
+@>> abc
+@>>> abc
+@>>>> abc
+@>>>>> abc
+@>>>>>> abc
+@>>>>>>> abc
+@>>>>>>>> abc
+@>>>>>>>>> abc
+@>>>>>>>>>> abc
+EOT
+
+$was1 = $was2 = '';
+for (0..10) {
+ # lexical picture
+ $^A = '';
+ my $format1 = '@' . '>' x $_;
+ formline $format1, 'abc';
+ $was1 .= "$format1 $^A\n";
+ # global
+ $^A = '';
+ local $format2 = '@' . '>' x $_;
+ formline $format2, 'abc';
+ $was2 .= "$format2 $^A\n";
+}
+print $was1 eq $mustbe ? "ok 4\n" : "not ok 4\n";
+print $was2 eq $mustbe ? "ok 5\n" : "not ok 5\n";
+
+$^A = '';
+
+# more test
+
+format OUT3 =
+^<<<<<<...
+$foo
+.
+
+open(OUT3, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+
+$foo = 'fit ';
+write(OUT3);
+close OUT3 or die "Could not close: $!";
+
+$right =
+"fit\n";
+
+if (`$CAT Op_write.tmp` eq $right)
+ { print "ok 6\n"; 1 while unlink 'Op_write.tmp'; }
+else
+ { print "not ok 6\n"; }
+
+# test lexicals and globals
+{
+ my $this = "ok";
+ our $that = 7;
+ format LEX =
+@<<@|
+$this,$that
+.
+ open(LEX, ">&STDOUT") or die;
+ write LEX;
+ $that = 8;
+ write LEX;
+ close LEX or die "Could not close: $!";
+}
+# LEX_INTERPNORMAL test
+my %e = ( a => 1 );
+format OUT4 =
+@<<<<<<
+"$e{a}"
+.
+open OUT4, ">Op_write.tmp" or die "Can't create Op_write.tmp";
+write (OUT4);
+close OUT4 or die "Could not close: $!";
+if (`$CAT Op_write.tmp` eq "1\n") {
+ print "ok 9\n";
+ 1 while unlink "Op_write.tmp";
+ }
+else {
+ print "not ok 9\n";
+ }
+
+eval <<'EOFORMAT';
+format OUT10 =
+@####.## @0###.##
+$test1, $test1
+.
+EOFORMAT
+
+open(OUT10, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+
+$test1 = 12.95;
+write(OUT10);
+close OUT10 or die "Could not close: $!";
+
+$right = " 12.95 00012.95\n";
+if (`$CAT Op_write.tmp` eq $right)
+ { print "ok 10\n"; 1 while unlink 'Op_write.tmp'; }
+else
+ { print "not ok 10\n"; }
+
+eval <<'EOFORMAT';
+format OUT11 =
+@0###.##
+$test1
+@ 0#
+$test1
+@0 #
+$test1
+.
+EOFORMAT
+
+open(OUT11, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+
+$test1 = 12.95;
+write(OUT11);
+close OUT11 or die "Could not close: $!";
+
+$right =
+"00012.95
+1 0#
+10 #\n";
+if (`$CAT Op_write.tmp` eq $right)
+ { print "ok 11\n"; 1 while unlink 'Op_write.tmp'; }
+else
+ { print "not ok 11\n"; }
+
+{
+ my $el;
+ format OUT12 =
+ok ^<<<<<<<<<<<<<<~~ # sv_chop() naze
+$el
+.
+ my %hash = (12 => 3);
+ open(OUT12, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+
+ for $el (keys %hash) {
+ write(OUT12);
+ }
+ close OUT12 or die "Could not close: $!";
+ print `$CAT Op_write.tmp`;
+
+}
+
+{
+ # Bug report and testcase by Alexey Tourbin
+ use Tie::Scalar;
+ my $v;
+ tie $v, 'Tie::StdScalar';
+ $v = 13;
+ format OUT13 =
+ok ^<<<<<<<<< ~~
+$v
+.
+ open(OUT13, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT13);
+ close OUT13 or die "Could not close: $!";
+ print `$CAT Op_write.tmp`;
+}
+
+{ # test 14
+ # Bug #24774 format without trailing \n failed assertion, but this
+ # must fail since we have a trailing ; in the eval'ed string (WL)
+ my @v = ('k');
+ eval "format OUT14 = \n@\n\@v";
+ print $@ ? "ok 14\n" : "not ok 14\n";
+
+}
+
+{ # test 15
+ # text lost in ^<<< field with \r in value (WL)
+ my $txt = "line 1\rline 2";
+ format OUT15 =
+^<<<<<<<<<<<<<<<<<<
+$txt
+^<<<<<<<<<<<<<<<<<<
+$txt
+.
+ open(OUT15, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT15);
+ close OUT15 or die "Could not close: $!";
+ my $res = `$CAT Op_write.tmp`;
+ print $res eq "line 1\nline 2\n" ? "ok 15\n" : "not ok 15\n";
+}
+
+{ # test 16: multiple use of a variable in same line with ^<
+ my $txt = "this_is_block_1 this_is_block_2 this_is_block_3 this_is_block_4";
+ format OUT16 =
+^<<<<<<<<<<<<<<<< ^<<<<<<<<<<<<<<<<
+$txt, $txt
+^<<<<<<<<<<<<<<<< ^<<<<<<<<<<<<<<<<
+$txt, $txt
+.
+ open(OUT16, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT16);
+ close OUT16 or die "Could not close: $!";
+ my $res = `$CAT Op_write.tmp`;
+ print $res eq <<EOD ? "ok 16\n" : "not ok 16\n";
+this_is_block_1 this_is_block_2
+this_is_block_3 this_is_block_4
+EOD
+}
+
+{ # test 17: @* "should be on a line of its own", but it should work
+ # cleanly with literals before and after. (WL)
+
+ my $txt = "This is line 1.\nThis is the second line.\nThird and last.\n";
+ format OUT17 =
+Here we go: @* That's all, folks!
+ $txt
+.
+ open(OUT17, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT17);
+ close OUT17 or die "Could not close: $!";
+ my $res = `$CAT Op_write.tmp`;
+ chomp( $txt );
+ my $exp = <<EOD;
+Here we go: $txt That's all, folks!
+EOD
+ print $res eq $exp ? "ok 17\n" : "not ok 17\n";
+}
+
+{ # test 18: @# and ~~ would cause runaway format, but we now
+ # catch this while compiling (WL)
+
+ format OUT18 =
+@######## ~~
+10
+.
+ open(OUT18, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ eval { write(OUT18); };
+ print $@ ? "ok 18\n" : "not ok 18\n";
+ close OUT18 or die "Could not close: $!";
+}
+
+{ # test 19: \0 in an evel'ed format, doesn't cause empty lines (WL)
+ my $v = 'gaga';
+ eval "format OUT19 = \n" .
+ '@<<<' . "\0\n" .
+ '$v' . "\n" .
+ '@<<<' . "\0\n" .
+ '$v' . "\n.\n";
+ open(OUT19, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT19);
+ my $res = `$CAT Op_write.tmp`;
+ print $res eq <<EOD ? "ok 19\n" : "not ok 19\n";
+gaga\0
+gaga\0
+EOD
+}
+
+{ # test 20: hash accesses; single '}' must not terminate format '}' (WL)
+ my %h = ( xkey => 'xval', ykey => 'yval' );
+ format OUT20 =
+@>>>> @<<<< ~~
+each %h
+@>>>> @<<<<
+$h{xkey}, $h{ykey}
+@>>>> @<<<<
+{ $h{xkey}, $h{ykey}
+}
+}
+.
+ my $exp = '';
+ while( my( $k, $v ) = each( %h ) ){
+ $exp .= sprintf( "%5s %s\n", $k, $v );
+ }
+ $exp .= sprintf( "%5s %s\n", $h{xkey}, $h{ykey} );
+ $exp .= sprintf( "%5s %s\n", $h{xkey}, $h{ykey} );
+ $exp .= "}\n";
+ open(OUT20, '>Op_write.tmp') || die "Can't create Op_write.tmp";
+ write(OUT20);
+ my $res = `$CAT Op_write.tmp`;
+ print $res eq $exp ? "ok 20\n" : "not ok 20 res=[$res]exp=[$exp]\n";
+
+EOD
+}
+
+
+#####################
+## Section 2
+## numeric formatting
+#####################
+
+my $nt = $bas_tests;
+for my $tref ( @NumTests ){
+ my $writefmt = shift( @$tref );
+ my $printfmt = mkfmt( $writefmt );
+ my $blank_when_undef = substr( $writefmt, 0, 1 ) eq '^';
+ for my $val ( @$tref ){
+ my $writeres = swrite( $writefmt, $val );
+ my $printres;
+ if( $blank_when_undef && ! defined($val) ){
+ $printres = ' ' x length( $writefmt );
+ } else {
+ $printres = sprintf( $printfmt, $val || 0 );
+ if( length($printres) > length( $writefmt ) ){
+ $printres = '#' x length( $writefmt );
+ }
+ }
+ $nt++;
+
+ print $printres eq $writeres ? "ok $nt\n" : "not ok $nt\n";
+ }
+}
+
+
+#####################################
+## Section 3
+## Easiest to add new tests above here
+#######################################
+
+# scary format testing from H.Merijn Brand
+
+my $test = $bas_tests + $num_tests + 1;
+my $tests = $bas_tests + $num_tests + $hmb_tests;
+
+if ($^O eq 'VMS' || $^O eq 'MSWin32' || $^O eq 'dos' || $^O eq 'MacOS' ||
+ ($^O eq 'os2' and not eval '$OS2::can_fork')) {
+ foreach ($test..$tests) {
+ print "ok $_ # skipped: '|-' and '-|' not supported\n";
+ }
+ exit(0);
+}
+
+
+use strict; # Amazed that this hackery can be made strict ...
+
+# Just a complete test for format, including top-, left- and bottom marging
+# and format detection through glob entries
+
+format EMPTY =
+.
+
+format Comment =
+ok @<<<<<
+$test
+.
+
+$= = 10;
+
+# [ID 20020227.005] format bug with undefined _TOP
+{ local $~ = "Comment";
+ write;
+ $test++;
+ print $- == 9
+ ? "ok $test # TODO\n" : "not ok $test # TODO \$- = $- instead of 9\n";
+ $test++;
+ print $^ ne "Comment_TOP"
+ ? "ok $test\n" : "not ok $test # TODO \$^ = $^ instead of 'STDOUT_TOP'\n";
+ $test++;
+ }
+
+ $^ = "STDOUT_TOP";
+ $= = 7; # Page length
+ $- = 0; # Lines left
+my $ps = $^L; $^L = ""; # Catch the page separator
+my $tm = 1; # Top margin (empty lines before first output)
+my $bm = 2; # Bottom marging (empty lines between last text and footer)
+my $lm = 4; # Left margin (indent in spaces)
+
+select ((select (STDOUT), $| = 1)[0]);
+if ($lm > 0 and !open STDOUT, "|-") { # Left margin (in this test ALWAYS set)
+ select ((select (STDOUT), $| = 1)[0]);
+ my $s = " " x $lm;
+ while (<STDIN>) {
+ s/^/$s/;
+ print + ($_ eq <DATA> ? "" : "not "), "ok ", $test++, "\n";
+ }
+ close STDIN;
+ print + (<DATA>?"not ":""), "ok ", $test++, "\n";
+ close STDOUT;
+ exit;
+ }
+$tm = "\n" x $tm;
+$= -= $bm + 1; # count one for the trailing "----"
+my $lastmin = 0;
+
+my @E;
+
+sub wryte
+{
+ $lastmin = $-;
+ write;
+ } # wryte;
+
+sub footer
+{
+ $% == 1 and return "";
+
+ $lastmin < $= and print "\n" x $lastmin;
+ print "\n" x $bm, "----\n", $ps;
+ $lastmin = $-;
+ "";
+ } # footer
+
+# Yes, this is sick ;-)
+format TOP =
+@* ~
+@{[footer]}
+@* ~
+$tm
+.
+
+format ENTRY =
+@ @<<<<~~
+@{(shift @E)||["",""]}
+.
+
+format EOR =
+- -----
+.
+
+sub has_format ($)
+{
+ my $fmt = shift;
+ exists $::{$fmt} or return 0;
+ $^O eq "MSWin32" or return defined *{$::{$fmt}}{FORMAT};
+ open my $null, "> /dev/null" or die;
+ my $fh = select $null;
+ local $~ = $fmt;
+ eval "write";
+ select $fh;
+ $@?0:1;
+ } # has_format
+
+$^ = has_format ("TOP") ? "TOP" : "EMPTY";
+has_format ("ENTRY") or die "No format defined for ENTRY";
+foreach my $e ( [ map { [ $_, "Test$_" ] } 1 .. 7 ],
+ [ map { [ $_, "${_}tseT" ] } 1 .. 5 ]) {
+ @E = @$e;
+ local $~ = "ENTRY";
+ wryte;
+ has_format ("EOR") or next;
+ local $~ = "EOR";
+ wryte;
+ }
+if (has_format ("EOF")) {
+ local $~ = "EOF";
+ wryte;
+ }
+
+close STDOUT;
+
+# That was test 48.
+
+__END__
+
+ 1 Test1
+ 2 Test2
+ 3 Test3
+
+
+ ----
+ \f
+ 4 Test4
+ 5 Test5
+ 6 Test6
+
+
+ ----
+ \f
+ 7 Test7
+ - -----
+
+
+
+ ----
+ \f
+ 1 1tseT
+ 2 2tseT
+ 3 3tseT
+
+
+ ----
+ \f
+ 4 4tseT
+ 5 5tseT
+ - -----