Regression test for https://github.com/Exiv2/exiv2/issues/1841

tests/bugfixes/github/test_issue_1841.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, path
+
+class MemoryLeakWebPImageDecodeChunks(metaclass=CaseMeta):
+    """
+    Test for the bug described in:
+    https://github.com/Exiv2/exiv2/issues/1841
+    """
+    url = "https://github.com/Exiv2/exiv2/issues/1841"
+
+    filename = path("$data_path/issue_1841_poc.webp")
+    commands = ["$exiv2 $filename"]
+    stdout = [""]
+    stderr = ["""$exiv2_exception_message $filename:
+This does not look like a TIFF image
+"""]
+    retval = [1]