1 files changed, 20 insertions, 0 deletions
diff --git a/testing/cffi1/test_cffi_binary.py b/testing/cffi1/test_cffi_binary.py
new file mode 100644
index 0000000..25953db
--- /dev/null
+++ b/testing/cffi1/test_cffi_binary.py
@@ -0,0 +1,20 @@
+import py, sys, os
+import _cffi_backend
+
+def test_no_unknown_exported_symbols():
+    if not hasattr(_cffi_backend, '__file__'):
+        py.test.skip("_cffi_backend module is built-in")
+    if not sys.platform.startswith('linux'):
+        py.test.skip("linux-only")
+    g = os.popen("objdump -T '%s'" % _cffi_backend.__file__, 'r')
+    for line in g:
+        if not line.startswith('0'):
+            continue
+        if '*UND*' in line:
+            continue
+        name = line.split()[-1]
+        if name.startswith('_') or name.startswith('.'):
+            continue
+        if name not in ('init_cffi_backend', 'PyInit__cffi_backend'):
+            raise Exception("Unexpected exported name %r" % (name,))
+    g.close()