note the purpose of a complex test

[imager.git] / t / t1000files.t

diff --git a/t/t1000files.t b/t/t1000files.t
index 2cf0a7c0ee75545a0efd3847a7651d68c4083668..10bbc4746a1738786eb93a5e351bcc2273c3c65c 100644 (file)
--- a/t/t1000files.t
+++ b/t/t1000files.t
@@ -4,15 +4,17 @@
 # the file format
 
 use strict;
-use Test::More tests => 35;
+use Test::More tests => 43;
 use Imager;
 
 -d "testout" or mkdir "testout";
 
-Imager::init_log("testout/t1000files.log", 1);
+Imager->open_log(log => "testout/t1000files.log");
 
 SKIP:
 {
+  # Test that i_test_format_probe() doesn't pollute stdout
+
   # Initally I tried to write this test using open to redirect files,
   # but there was a buffering problem that made it so the data wasn't
   # being written to the output file.  This external perl call avoids
@@ -49,10 +51,10 @@ PERL
 # test the file limit functions
 # by default the limits are zero (unlimited)
 print "# image file limits\n";
-is_deeply([ Imager->get_file_limits() ], [0, 0, 0],
+is_deeply([ Imager->get_file_limits() ], [0, 0, 0x40000000 ],
          "check defaults");
 ok(Imager->set_file_limits(width=>100), "set only width");
-is_deeply([ Imager->get_file_limits() ], [100, 0, 0 ],
+is_deeply([ Imager->get_file_limits() ], [100, 0, 0x40000000 ],
          "check width set");
 ok(Imager->set_file_limits(height=>150, bytes=>10000),
    "set height and bytes");
@@ -67,6 +69,42 @@ ok(Imager->set_file_limits(reset=>1),
 is_deeply([ Imager->get_file_limits() ], [ 0, 0, 0 ],
          "check all are reset");
 
+# test error handling for loading file handers
+{
+  # first, no module at all
+  {
+    my $data = "abc";
+    ok(!Imager->new(data => $data, filetype => "unknown"),
+       "try to read an unknown file type");
+   like(Imager->errstr, qr(^format 'unknown' not supported - formats .* - Can't locate Imager/File/UNKNOWN.pm or Imager/File/UNKNOWNReader.pm$),
+       "check error message");
+  }
+  {
+    my $data;
+    my $im = Imager->new(xsize => 10, ysize => 10);
+    ok(!$im->write(data => \$data, type => "unknown"),
+       "try to write an unknown file type");
+   like($im->errstr, qr(^format 'unknown' not supported - formats .* - Can't locate Imager/File/UNKNOWN.pm or Imager/File/UNKNOWNWriter.pm$),
+       "check error message");
+  }
+  push @INC, "t/t1000lib";
+  {
+    my $data = "abc";
+    ok(!Imager->new(data => $data, filetype => "bad"),
+       "try to read an bad (other load failure) file type");
+   like(Imager->errstr, qr(^format 'bad' not supported - formats .* available for reading - This module fails to load$),
+       "check error message");
+  }
+  {
+    my $data;
+    my $im = Imager->new(xsize => 10, ysize => 10);
+    ok(!$im->write(data => \$data, type => "bad"),
+       "try to write an bad file type");
+   like($im->errstr, qr(^format 'bad' not supported - formats .* available for writing - This module fails to load$),
+       "check error message");
+  }
+}
+
 # check file type probe
 probe_ok("49492A41", undef, "not quite tiff");
 probe_ok("4D4D0041", undef, "not quite tiff");
@@ -186,6 +224,12 @@ probe_ok(<<JPEG2K, "jp2", "JPEG 2000");
 00 6A 70 32 63 FF 4F FF 51 00 2F 00 00 00 00 01
 JPEG2K
 
+Imager->close_log;
+
+unless ($ENV{IMAGER_KEEP_FILES}) {
+  unlink "testout/t1000files.log";
+}
+
 sub probe_ok {
   my ($packed, $exp_type, $name) = @_;