From 458120dd40db6b4df55a4e96b650e16798ef06a0 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@localhost>
Date: Tue, 3 May 2011 11:25:13 +0000
Subject: add hg and python

---
 sys/lib/python/test/test_imp.py | 43 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 sys/lib/python/test/test_imp.py

(limited to 'sys/lib/python/test/test_imp.py')

diff --git a/sys/lib/python/test/test_imp.py b/sys/lib/python/test/test_imp.py
new file mode 100644
index 000000000..893ba2461
--- /dev/null
+++ b/sys/lib/python/test/test_imp.py
@@ -0,0 +1,43 @@
+import imp
+from test.test_support import TestFailed, TestSkipped
+try:
+    import thread
+except ImportError:
+    raise TestSkipped("test only valid when thread support is available")
+
+def verify_lock_state(expected):
+    if imp.lock_held() != expected:
+        raise TestFailed("expected imp.lock_held() to be %r" % expected)
+
+def testLock():
+    LOOPS = 50
+
+    # The import lock may already be held, e.g. if the test suite is run
+    # via "import test.autotest".
+    lock_held_at_start = imp.lock_held()
+    verify_lock_state(lock_held_at_start)
+
+    for i in range(LOOPS):
+        imp.acquire_lock()
+        verify_lock_state(True)
+
+    for i in range(LOOPS):
+        imp.release_lock()
+
+    # The original state should be restored now.
+    verify_lock_state(lock_held_at_start)
+
+    if not lock_held_at_start:
+        try:
+            imp.release_lock()
+        except RuntimeError:
+            pass
+        else:
+            raise TestFailed("release_lock() without lock should raise "
+                             "RuntimeError")
+
+def test_main():
+    testLock()
+
+if __name__ == "__main__":
+    test_main()
-- 
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