From 186a4723c8a67644a8c98a4e83bff2ff869b8e5a Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 2 Sep 2020 21:14:36 +1000
Subject: [PATCH] Added test for empty GPS IFD

---
 Tests/images/empty_gps_ifd.jpg | Bin 0 -> 1087 bytes
 Tests/test_file_jpeg.py        |  19 +++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 Tests/images/empty_gps_ifd.jpg

diff --git a/Tests/images/empty_gps_ifd.jpg b/Tests/images/empty_gps_ifd.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..28f180b8743a97318161e5caa47e5bcdc3fd5fbc
GIT binary patch
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diff --git a/Tests/test_file_jpeg.py b/Tests/test_file_jpeg.py
index 6b88ccfdf..c3b7e2960 100644
--- a/Tests/test_file_jpeg.py
+++ b/Tests/test_file_jpeg.py
@@ -8,6 +8,7 @@ from PIL import (
     ExifTags,
     Image,
     ImageFile,
+    ImageOps,
     JpegImagePlugin,
     UnidentifiedImageError,
     features,
@@ -249,6 +250,24 @@ class TestFileJpeg:
             exif = reloaded._getexif()
             assert exif[gps_index] == expected_exif_gps
 
+    def test_empty_exif_gps(self):
+        with Image.open("Tests/images/empty_gps_ifd.jpg") as im:
+            exif = im.getexif()
+            del exif[0x8769]
+
+            # Assert that it needs to be transposed
+            assert exif[0x0112] == Image.TRANSVERSE
+
+            # Assert that the GPS IFD is present and empty
+            assert exif[0x8825] == {}
+
+            transposed = ImageOps.exif_transpose(im)
+        exif = transposed.getexif()
+        assert exif[0x8825] == {}
+
+        # Assert that it was transposed
+        assert 0x0112 not in exif
+
     def test_exif_rollback(self):
         # rolling back exif support in 3.1 to pre-3.0 formatting.
         # expected from 2.9, with b/u qualifiers switched for 3.2 compatibility