From 1e0f8381cf9ed1788fd24d9a0ee1b8a7d198abdc Mon Sep 17 00:00:00 2001
From: Ozgur Ozcitak <ozcitak@yahoo.com>
Date: Sat, 2 Apr 2022 18:20:21 +0300
Subject: [PATCH] Add test for #94

---
 UnitTests/Issues.cs               |  22 ++++++++++++++++++++++
 UnitTests/TestImages/issue-94.jpg | Bin 0 -> 631 bytes
 2 files changed, 22 insertions(+)
 create mode 100644 UnitTests/TestImages/issue-94.jpg

diff --git a/UnitTests/Issues.cs b/UnitTests/Issues.cs
index 557419a..8411e37 100644
--- a/UnitTests/Issues.cs
+++ b/UnitTests/Issues.cs
@@ -55,6 +55,28 @@ public void Issue79()
             Assert.Null(exception);
         }
 
+        [Fact(DisplayName = "Windows Explorer doesn't recognize the Long/Lat ref")]
+        public void Issue94()
+        {
+            var image = ImageFile.FromFile(TestHelpers.TestImagePath(".", "issue-94.jpg"));
+            image.Properties.Set(new GPSLatitudeLongitude(ExifTag.GPSLatitude, new[]
+                {
+                    new MathEx.UFraction32(33),
+                    new MathEx.UFraction32(52),
+                    new MathEx.UFraction32(979, 45)
+                }));
+            var latRef = new Random().NextDouble() < 0.5 ? GPSLatitudeRef.North : GPSLatitudeRef.South;
+            image.Properties.Set(ExifTag.GPSLatitudeRef, latRef);
+
+            // read back
+            var latRef2 = image.Properties.Get<ExifEnumProperty<GPSLatitudeRef>>(ExifTag.GPSLatitudeRef);
+            Assert.Equal(latRef2.Value, latRef);
+
+            // note that this doesn't obviously test windows explorer, just that the tag is written and read properly
+            // this issue is due to windows explorer only having a fixed set of tags to display as discussed here:
+            // https://exiftool.org/forum/index.php?topic=6201.0
+        }
+
         [Fact(DisplayName = "Imprecision results from inconsistent use of Float vs Rational in reading & writing GPS lat/long")]
         public void Issue95()
         {
diff --git a/UnitTests/TestImages/issue-94.jpg b/UnitTests/TestImages/issue-94.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e13a47478244eb7865c1a924af3ceaa0d8f4063c
GIT binary patch
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