- minor cleanup of Imager::Fill

[imager.git] / t / testtools.pl

diff --git a/t/testtools.pl b/t/testtools.pl
index 997e83127193da4a7f17d47b657840c55a3a9b2b..e36d8073e70bf3e11db7698de5fd60ea30ac3596 100644 (file)
--- a/t/testtools.pl
+++ b/t/testtools.pl
@@ -1,6 +1,7 @@
 # this doesn't need a new namespace - I hope
 use Imager qw(:all);
 use vars qw($TESTNUM);
+use Carp 'confess';
 
 $TESTNUM = 1;
 
@@ -19,6 +20,14 @@ sub test_img {
   $img;
 }
 
+sub test_oo_img {
+  my $raw = test_img();
+  my $img = Imager->new;
+  $img->{IMG} = $raw;
+
+  $img;
+}
+
 sub skipn {
   my ($testnum, $count, $why) = @_;
   
@@ -34,15 +43,17 @@ sub skipx {
   $TESTNUM += $count;
 }
 
-sub okx {
+sub okx ($$) {
   my ($ok, $comment) = @_;
 
   return okn($TESTNUM++, $ok, $comment);
 }
 
-sub okn {
+sub okn ($$$) {
   my ($num, $ok, $comment) = @_;
 
+  defined $num or confess "No \$num supplied";
+  defined $comment or confess "No \$comment supplied";
   if ($ok) {
     print "ok $num # $comment\n";
   }
@@ -53,5 +64,121 @@ sub okn {
   return $ok;
 }
 
+sub requireokx {
+  my ($file, $comment) = @_;
+
+  eval {
+    require $file;
+  };
+  if ($@) {
+    my $msg = $@;
+    $msg =~ s/\n+$//;
+    $msg =~ s/\n/\n# /g;
+    okx(0, $comment);
+    print "# $msg\n";
+  }
+  else {
+    okx(1, $comment);
+  }
+}
+
+sub useokx {
+  my ($module, $comment, @imports) = @_;
+  
+  my $pack = caller;
+  eval <<EOS;
+package $pack;
+require $module;
+$module->import(\@imports);
+EOS
+  unless (okx(!$@, $comment)) {
+    my $msg = $@;
+    $msg =~ s/\n+$//;
+    $msg =~ s/\n/\n# /g;
+    print "# $msg\n";
+    return 0;
+  }
+  else {
+    return 1;
+  }
+}
+
+sub matchn($$$$) {
+  my ($num, $str, $re, $comment) = @_;
+
+  my $match = defined($str) && $str =~ $re;
+  okn($num, $match, $comment);
+  unless ($match) {
+    print "# The value: ",_sv_str($str),"\n";
+    print "# did not match: qr/$re/\n";
+  }
+  return $match;
+}
+
+sub matchx($$$) {
+  my ($str, $re, $comment) = @_;
+
+  matchn($TESTNUM++, $str, $re, $comment);
+}
+
+sub isn ($$$$) {
+  my ($num, $left, $right, $comment) = @_;
+
+  my $match;
+  if (!defined $left && defined $right
+     || defined $left && !defined $right) {
+    $match = 0;
+  }
+  elsif (!defined $left && !defined $right) {
+    $match = 1;
+  }
+  # the right of the || produces a string of \0 if $left is a PV
+  # which is true
+  elsif (!length $left  || ($left & ~$left) ||
+        !length $right || ($right & ~$right)) {
+    $match = $left eq $right;
+  }
+  else {
+    $match = $left == $right;
+  }
+  okn($num, $match, $comment);
+  unless ($match) {
+    print "# the following two values were not equal:\n";
+    print "# value: ",_sv_str($left),"\n";
+    print "# other: ",_sv_str($right),"\n";
+  }
+
+  $match;
+}
+
+sub isx ($$$) {
+  my ($left, $right, $comment) = @_;
+
+  isn($TESTNUM++, $left, $right, $comment);
+}
+
+sub _sv_str {
+  my ($value) = @_;
+
+  if (defined $value) {
+    if (!length $value || ($value & ~$value)) {
+      $value =~ s/\\/\\\\/g;
+      $value =~ s/\r/\\r/g;
+      $value =~ s/\n/\\n/g;
+      $value =~ s/\t/\\t/g;
+      $value =~ s/\"/\\"/g;
+      $value =~ s/([^ -\x7E])/"\\x".sprintf("%02x", ord($1))/ge;
+
+      return qq!"$value"!;
+    }
+    else {
+      return $value; # a number
+    }
+  }
+  else {
+    return "undef";
+  }
+}
+
 1;