[pypy-svn] r77319 - pypy/branch/fast-forward/pypy/rlib/test

[afa at codespeak.net]

Author: afa
Date: Thu Sep 23 23:02:02 2010
New Revision: 77319

Modified:
   pypy/branch/fast-forward/pypy/rlib/test/test_rstruct.py
Log:
A failing test that shows why pypy-c crashes the second time.


Modified: pypy/branch/fast-forward/pypy/rlib/test/test_rstruct.py
==============================================================================
--- pypy/branch/fast-forward/pypy/rlib/test/test_rstruct.py	(original)
+++ pypy/branch/fast-forward/pypy/rlib/test/test_rstruct.py	Thu Sep 23 23:02:02 2010
@@ -1,7 +1,9 @@
 
 from pypy.rpython.test.tool import BaseRtypingTest, LLRtypeMixin, OORtypeMixin
 from pypy.rlib.rstruct.runpack import runpack
+from pypy.rlib.rstruct import ieee
 from pypy.rlib.rarithmetic import LONG_BIT
+from pypy.translator.c.test.test_genc import compile
 import struct
 
 class BaseTestRStruct(BaseRtypingTest):
@@ -34,3 +36,18 @@
 
 class TestOOType(BaseTestRStruct, OORtypeMixin):
     pass
+
+class TestCompiled:
+    def test_pack_float(self):
+        def pack(x):
+            result = []
+            ieee.pack_float(result, x, 8, False)
+            return ''.join(result)
+        c_pack = compile(pack, [float])
+        def unpack(s):
+            return ieee.unpack_float(s, False)
+        c_unpack = compile(unpack, [str])
+
+        s = c_pack(123.456)
+        assert s == pack(123.456)
+        assert c_unpack(s) == 123.456