* python/cache.cc, tests/getcache_mem_corruption.py:

  - test if progress objects have the right methods
    and raise error if not (thanks to Emanuele Rocca)
    closes: #497049

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/getcache_mem_corruption.py b/tests/getcache_mem_corruption.py
new file mode 100644
index 00000000..42e9af00
--- /dev/null
+++ b/tests/getcache_mem_corruption.py
@@ -0,0 +1,24 @@
+#!/usr/bin/python
+import apt
+import apt_pkg
+import re
+
+import unittest
+
+class TestGetCache(unittest.TestCase):
+    
+    def setUp(self):
+        apt_pkg.InitConfig()
+        apt_pkg.InitSystem()
+    
+    def testWrongInvocation(self):
+        # wrongly invoke GetCache() rather than GetDepCache()
+        apt_cache = apt_pkg.GetCache()
+        self.assertRaises(ValueError, apt_pkg.GetCache, apt_cache)
+    
+    def testProperInvocation(self):
+        apt_cache = apt_pkg.GetCache(apt.progress.OpTextProgress())
+        apt_depcache = apt_pkg.GetDepCache(apt_cache)
+
+if __name__ == "__main__":
+    unittest.main()