From 23dfda54bebe6ea239f30d2e8c814a7533b0c549 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Thu, 5 Aug 2021 15:21:46 +0100
Subject: [PATCH] Regression test for
 https://github.com/Exiv2/exiv2/issues/1845

(cherry picked from commit f8c71359a6fd0fb23823454e931b9739013d293a)
---
 test/data/issue_1845_poc.jp2             | Bin 0 -> 3043 bytes
 tests/bugfixes/github/test_issue_1845.py |  17 +++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 test/data/issue_1845_poc.jp2
 create mode 100644 tests/bugfixes/github/test_issue_1845.py

diff --git a/test/data/issue_1845_poc.jp2 b/test/data/issue_1845_poc.jp2
new file mode 100644
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diff --git a/tests/bugfixes/github/test_issue_1845.py b/tests/bugfixes/github/test_issue_1845.py
new file mode 100644
index 00000000..6332ab18
--- /dev/null
+++ b/tests/bugfixes/github/test_issue_1845.py
@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, CopyTmpFiles, path
+@CopyTmpFiles("$data_path/issue_1845_poc.jp2")
+
+class TiffDirectoryWriteDirEntryAssert(metaclass=CaseMeta):
+    """
+    Regression test for the bug described in:
+    https://github.com/Exiv2/exiv2/issues/1845
+    """
+    url = "https://github.com/Exiv2/exiv2/issues/1845"
+
+    filename = path("$tmp_path/issue_1845_poc.jp2")
+    commands = ["$exiv2 -q -D +1 ad $filename"]
+    stderr = [""]
+    stdout = [""]
+    retval = [0]