Missing file from last change

p4raw-id: //depot/perl@26401

diff --git a/t/lib/common.pl b/t/lib/common.pl
new file mode 100644 (file)
index 0000000..99c6e9d
--- /dev/null
+++ b/t/lib/common.pl
@@ -0,0 +1,206 @@
+# This code is used by lib/warnings.t and lib/feature.t
+
+BEGIN {
+    require Config; import Config;
+    require './test.pl';
+}
+
+use File::Path;
+use File::Spec::Functions;
+
+use strict;
+our $pragma_name;
+
+$| = 1;
+
+my $Is_MacOS   = $^O eq 'MacOS';
+my $tmpfile = "tmp0000";
+1 while -e ++$tmpfile;
+END {  if ($tmpfile) { 1 while unlink $tmpfile} }
+
+my @prgs = () ;
+my @w_files = () ;
+
+if (@ARGV)
+  { print "ARGV = [@ARGV]\n" ;
+    if ($^O eq 'MacOS') {
+      @w_files = map { s#^#:lib:$pragma_name:#; $_ } @ARGV
+    } else {
+      @w_files = map { s#^#./lib/$pragma_name/#; $_ } @ARGV
+    }
+  }
+else
+  { @w_files = sort glob(catfile(curdir(), "lib", $pragma_name, "*")) }
+
+my $files = 0;
+foreach my $file (@w_files) {
+
+    next if $file =~ /(~|\.orig|,v)$/;
+    next if $file =~ /perlio$/ && !(find PerlIO::Layer 'perlio');
+    next if -d $file;
+
+    open F, "<$file" or die "Cannot open $file: $!\n" ;
+    my $line = 0;
+    while (<F>) {
+        $line++;
+       last if /^__END__/ ;
+    }
+
+    {
+        local $/ = undef;
+        $files++;
+        @prgs = (@prgs, $file, split "\n########\n", <F>) ;
+    }
+    close F ;
+}
+
+undef $/;
+
+plan tests => (scalar(@prgs)-$files);
+
+
+
+for (@prgs){
+    unless (/\n/)
+     {
+      print "# From $_\n";
+      next;
+     }
+    my $switch = "";
+    my @temps = () ;
+    my @temp_path = () ;
+    if (s/^\s*-\w+//){
+        $switch = $&;
+    }
+    my($prog,$expected) = split(/\nEXPECT(?:\n|$)/, $_, 2);
+    my ($todo, $todo_reason);
+    $todo = $prog =~ s/^#\s*TODO(.*)\n//m and $todo_reason = $1;
+    if ( $prog =~ /--FILE--/) {
+        my(@files) = split(/\n--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
+       shift @files ;
+       die "Internal error: test $_ didn't split into pairs, got " .
+               scalar(@files) . "[" . join("%%%%", @files) ."]\n"
+           if @files % 2 ;
+       while (@files > 2) {
+           my $filename = shift @files ;
+           my $code = shift @files ;
+           push @temps, $filename ;
+           if ($filename =~ m#(.*)/#) {
+                mkpath($1);
+                push(@temp_path, $1);
+           }
+           open F, ">$filename" or die "Cannot open $filename: $!\n" ;
+           print F $code ;
+           close F or die "Cannot close $filename: $!\n";
+       }
+       shift @files ;
+       $prog = shift @files ;
+    }
+
+    # fix up some paths
+    if ($^O eq 'MacOS') {
+       $prog =~ s|require "./abc(d)?";|require ":abc$1";|g;
+       $prog =~ s|"\."|":"|g;
+    }
+
+    open TEST, ">$tmpfile" or die "Cannot open >$tmpfile: $!";
+    print TEST q{
+        BEGIN {
+            open(STDERR, ">&STDOUT")
+              or die "Can't dup STDOUT->STDERR: $!;";
+        }
+    };
+    print TEST "\n#line 1\n";  # So the line numbers don't get messed up.
+    print TEST $prog,"\n";
+    close TEST or die "Cannot close $tmpfile: $!";
+    my $results = runperl( switches => [$switch], stderr => 1, progfile => $tmpfile );
+    my $status = $?;
+    $results =~ s/\n+$//;
+    # allow expected output to be written as if $prog is on STDIN
+    $results =~ s/tmp\d+/-/g;
+    if ($^O eq 'VMS') {
+        # some tests will trigger VMS messages that won't be expected
+        $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
+
+        # pipes double these sometimes
+        $results =~ s/\n\n/\n/g;
+    }
+# bison says 'parse error' instead of 'syntax error',
+# various yaccs may or may not capitalize 'syntax'.
+    $results =~ s/^(syntax|parse) error/syntax error/mig;
+    # allow all tests to run when there are leaks
+    $results =~ s/Scalars leaked: \d+\n//g;
+
+    # fix up some paths
+    if ($^O eq 'MacOS') {
+       $results =~ s|:abc\.pm\b|abc.pm|g;
+       $results =~ s|:abc(d)?\b|./abc$1|g;
+    }
+
+    $expected =~ s/\n+$//;
+    my $prefix = ($results =~ s#^PREFIX(\n|$)##) ;
+    # any special options? (OPTIONS foo bar zap)
+    my $option_regex = 0;
+    my $option_random = 0;
+    if ($expected =~ s/^OPTIONS? (.+)\n//) {
+       foreach my $option (split(' ', $1)) {
+           if ($option eq 'regex') { # allow regular expressions
+               $option_regex = 1;
+           }
+           elsif ($option eq 'random') { # all lines match, but in any order
+               $option_random = 1;
+           }
+           else {
+               die "$0: Unknown OPTION '$option'\n";
+           }
+       }
+    }
+    die "$0: can't have OPTION regex and random\n"
+        if $option_regex + $option_random > 1;
+    my $ok = 1;
+    if ( $results =~ s/^SKIPPED\n//) {
+       print "$results\n" ;
+    }
+    elsif ($option_random)
+    {
+        $ok = randomMatch($results, $expected);
+    }
+    elsif (($prefix  && (( $option_regex && $results !~ /^$expected/) ||
+                        (!$option_regex && $results !~ /^\Q$expected/))) or
+          (!$prefix && (( $option_regex && $results !~ /^$expected/) ||
+                        (!$option_regex && $results ne $expected)))) {
+        my $err_line = "PROG: $switch\n$prog\n" .
+                       "EXPECTED:\n$expected\n" .
+                       "GOT:\n$results\n";
+        if ($todo) {
+            $err_line =~ s/^/# /mg;
+            print $err_line;  # Harness can't filter it out from STDERR.
+        }
+        else {
+            print STDERR $err_line;
+        }
+        $ok = 0;
+    }
+
+    our $TODO = $todo ? $todo_reason : 0;
+    ok($ok);
+
+    foreach (@temps)
+       { unlink $_ if $_ }
+    foreach (@temp_path)
+       { rmtree $_ if -d $_ }
+}
+
+sub randomMatch
+{
+    my $got = shift ;
+    my $expected = shift;
+
+    my @got = sort split "\n", $got ;
+    my @expected = sort split "\n", $expected ;
+
+   return "@got" eq "@expected";
+
+}
+
+1;