add hg and python

1 files changed, 56 insertions, 0 deletions

diff --git a/sys/lib/python/test/test_resource.py b/sys/lib/python/test/test_resource.py
new file mode 100644
index 000000000..29ce35bb0
--- /dev/null
+++ b/sys/lib/python/test/test_resource.py
@@ -0,0 +1,56 @@
+import os
+import resource
+
+from test.test_support import TESTFN
+
+# This test is checking a few specific problem spots.  RLIMIT_FSIZE
+# should be RLIM_INFINITY, which will be a really big number on a
+# platform with large file support.  On these platforms, we need to
+# test that the get/setrlimit functions properly convert the number to
+# a C long long and that the conversion doesn't raise an error.
+
+try:
+    cur, max = resource.getrlimit(resource.RLIMIT_FSIZE)
+except AttributeError:
+    pass
+else:
+    print resource.RLIM_INFINITY == max
+    resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
+
+# Now check to see what happens when the RLIMIT_FSIZE is small.  Some
+# versions of Python were terminated by an uncaught SIGXFSZ, but
+# pythonrun.c has been fixed to ignore that exception.  If so, the
+# write() should return EFBIG when the limit is exceeded.
+
+# At least one platform has an unlimited RLIMIT_FSIZE and attempts to
+# change it raise ValueError instead.
+
+try:
+    try:
+        resource.setrlimit(resource.RLIMIT_FSIZE, (1024, max))
+        limit_set = 1
+    except ValueError:
+        limit_set = 0
+    f = open(TESTFN, "wb")
+    f.write("X" * 1024)
+    try:
+        f.write("Y")
+        f.flush()
+    except IOError:
+        if not limit_set:
+            raise
+    f.close()
+    os.unlink(TESTFN)
+finally:
+    resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
+
+# And be sure that setrlimit is checking for really large values
+too_big = 10L**50
+try:
+    resource.setrlimit(resource.RLIMIT_FSIZE, (too_big, max))
+except (OverflowError, ValueError):
+    pass
+try:
+    resource.setrlimit(resource.RLIMIT_FSIZE, (max, too_big))
+except (OverflowError, ValueError):
+    pass