From 611739834e5a6246440ad2dbd1ea090bb8256e72 Mon Sep 17 00:00:00 2001
From: Leonid Kostrykin <void@evoid.de>
Date: Wed, 9 Oct 2024 08:45:38 +0200
Subject: [PATCH] Add test for empty TIFF file (no metadata available)

---
 test-data/im_empty.tif                              | Bin 0 -> 8 bytes
 test/functional/tools/validation_image_metadata.xml |  12 ++++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 test-data/im_empty.tif

diff --git a/test-data/im_empty.tif b/test-data/im_empty.tif
new file mode 100644
index 0000000000000000000000000000000000000000..997c69fe8f92889a927c5ad5de83611677d727a9
GIT binary patch
literal 8
McmebD)M5Yu00m0`y#N3J

literal 0
HcmV?d00001

diff --git a/test/functional/tools/validation_image_metadata.xml b/test/functional/tools/validation_image_metadata.xml
index 86213087bec0..db382206f02f 100644
--- a/test/functional/tools/validation_image_metadata.xml
+++ b/test/functional/tools/validation_image_metadata.xml
@@ -105,6 +105,17 @@
             <validator type="dataset_metadata_equal" metadata_name="depth" value="" />
             <validator type="dataset_metadata_equal" metadata_name="frames" value="" />
         </param>
+        <!-- Checks for empty files -->
+        <param name="input_empty" type="data" format="data" optional="true">
+            <validator type="dataset_metadata_equal" metadata_name="axes" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="dtype" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="num_unique_values" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="width" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="height" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="channels" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="depth" value="" />
+            <validator type="dataset_metadata_equal" metadata_name="frames" value="" />
+        </param>
     </inputs>
     <outputs>
         <data name="output" format="data" />
@@ -132,6 +143,7 @@
             <param name="input_frames_5" value="im8_uint16.tif" /><!-- axes: TYX -->
             <param name="input_multipage_tiff" value="im9_multipage.tif" />
             <param name="input_unsupported_tiff_compression" value="1.tiff" />
+            <param name="input_empty" value="im_empty.tif" />
             <expand macro="test-output" />
         </test>
         <!-- Tests with PNG files -->