Add reproducer for #400 to the test suite

tests/bugfixes/github/test_issue_400.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+import system_tests
+
+
+class parseTXTChunkOutOfBoundsRead(metaclass=system_tests.CaseMeta):
+
+    url = "https://github.com/Exiv2/exiv2/issues/400"
+
+    filenames = [
+        system_tests.path("$data_path/issue_400_poc" + str(i)) for i in (1, 2)
+    ]
+
+    commands = ["$exiv2 " + fname for fname in filenames]
+    stdout = [""] * 2
+    stderr = [
+        """$exiv2_exception_message """ + fname + """:
+$kerCorruptedMetadata
+"""
+        for fname in filenames
+    ]
+    retval = [1] * 2