Regression test for Exiv2#1817

tests/bugfixes/github/test_issue_1817.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, path
+
+class MemoryLeakInPngImagePrintStructure(metaclass=CaseMeta):
+    """
+    Regression test for the bug described in:
+    https://github.com/Exiv2/exiv2/issues/1817
+
+    Note: the test only fails in an ASAN build.
+    """
+    url = "https://github.com/Exiv2/exiv2/issues/1817"
+
+    filename = path("$data_path/issue_1817_poc.png")
+    commands = ["$exiv2 -pS $filename"]
+    stdout = ["""STRUCTURE OF PNG FILE: $filename
+ address | chunk |  length | data                           | checksum
+       8 | eXIf  |       0 |                                | 0x00000000
+"""]
+    stderr = ["""$exiv2_exception_message $filename:
+$kerCorruptedMetadata
+"""]
+    retval = [1]