rename to include libtiff

Tests/test_file_libtiff_small.py

@@ -0,0 +1,52 @@
+from tester import *
+
+from PIL import Image
+
+from test_file_libtiff import _assert_noerr
+
+codecs = dir(Image.core)
+
+if "group4_encoder" not in codecs or "group4_decoder" not in codecs:
+    skip("tiff support not available")
+	
+""" The small lena image was failing on open in the libtiff
+    decoder because the file pointer was set to the wrong place
+    by a spurious seek. It wasn't failing with the byteio method.
+
+    It was fixed by forcing an lseek to the beginning of the
+    file just before reading in libtiff. These tests remain
+    to ensure that it stays fixed. """
+
+
+def test_g4_lena_file(): 
+    """Testing the open file load path"""
+
+    file = "Tests/images/lena_g4.tif"
+    with open(file,'rb') as f:
+        im = Image.open(f)
+
+        assert_equal(im.size, (128,128))
+        _assert_noerr(im)
+
+def test_g4_lena_bytesio(): 
+    """Testing the bytesio loading code path"""
+    from io import BytesIO
+    file = "Tests/images/lena_g4.tif"
+    s = BytesIO()
+    with open(file,'rb') as f:
+        s.write(f.read())
+        s.seek(0)
+    im = Image.open(s)
+
+    assert_equal(im.size, (128,128))
+    _assert_noerr(im)
+        
+def test_g4_lena(): 
+    """The 128x128 lena image fails for some reason. Investigating"""
+
+    file = "Tests/images/lena_g4.tif"
+    im = Image.open(file)
+
+    assert_equal(im.size, (128,128))
+    _assert_noerr(im)
+