From 40e5265c3b223a8173b362c1ae7c1966c3ce3f35 Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Tue, 26 Aug 2014 20:15:03 -0700
Subject: [PATCH] Debugging on tests

---
 PIL/TiffImagePlugin.py      | 9 +++++++++
 Tests/test_file_libtiff.py  | 4 +++-
 Tests/test_imagesequence.py | 2 ++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/PIL/TiffImagePlugin.py b/PIL/TiffImagePlugin.py
index 78ba7861d..abf9db7e3 100644
--- a/PIL/TiffImagePlugin.py
+++ b/PIL/TiffImagePlugin.py
@@ -448,7 +448,11 @@ class ImageFileDirectory(collections.MutableMapping):
             # Get and expand tag value
             if size > 4:
                 here = fp.tell()
+                if Image.DEBUG:
+                    print ("Tag Location: %s" %here)
                 fp.seek(i32(ifd, 8))
+                if Image.DEBUG:
+                    print ("Data Location: %s" %fp.tell())
                 data = ImageFile._safe_read(fp, size)
                 fp.seek(here)
             else:
@@ -654,7 +658,12 @@ class TiffImageFile(ImageFile.ImageFile):
         while self.__frame < frame:
             if not self.__next:
                 raise EOFError("no more images in TIFF file")
+            if Image.DEBUG:
+                print("Seeking to frame %s, on frame %s, __next %s, location: %s"%
+                      (frame, self.__frame, self.__next, self.fp.tell()))            
             self.fp.seek(self.__next)
+            if Image.DEBUG:
+                print("Loading tags, location: %s"%self.fp.tell())
             self.tag.load(self.fp)
             self.__next = self.tag.next
             self.__frame += 1
diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py
index c784ac55d..a6b22d810 100644
--- a/Tests/test_file_libtiff.py
+++ b/Tests/test_file_libtiff.py
@@ -314,6 +314,7 @@ class TestFileLibTiff(PillowTestCase):
     def test_multipage(self):
         # issue #862
         TiffImagePlugin.READ_LIBTIFF = True
+        Image.DEBUG=True
         im = Image.open('Tests/images/multipage.tiff')
         # file is a multipage tiff,  10x10 green, 10x10 red, 20x20 blue
 
@@ -331,7 +332,8 @@ class TestFileLibTiff(PillowTestCase):
         self.assertFalse(im.tag.next)
         self.assertEqual(im.size, (20,20))
         self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,0,255))
-        
+        Image.DEBUG=False
+   
         TiffImagePlugin.READ_LIBTIFF = False
 
     def test__next(self):
diff --git a/Tests/test_imagesequence.py b/Tests/test_imagesequence.py
index 2470bc732..4a8c4133b 100644
--- a/Tests/test_imagesequence.py
+++ b/Tests/test_imagesequence.py
@@ -23,11 +23,13 @@ class TestImageSequence(PillowTestCase):
         self.assertEqual(index, 1)
 
     def _test_multipage_tiff(self):
+        Image.DEBUG=True
         im = Image.open('Tests/images/multipage.tiff')
         for index, frame in enumerate(ImageSequence.Iterator(im)):
             frame.load()
             self.assertEqual(index, im.tell())
             frame.convert('RGB')
+        Image.DEBUG=False
             
     def test_tiff(self):
         return self._test_multipage_tiff()