Author: Antonio Cuni <[email protected]>
Branch: ffistruct
Changeset: r55124:ed4bfa7ee214
Date: 2012-05-17 12:16 +0200
http://bitbucket.org/pypy/pypy/changeset/ed4bfa7ee214/
Log: add a test_pypy_c test for _ffi structs
diff --git a/pypy/module/pypyjit/test_pypy_c/test__ffi.py
b/pypy/module/pypyjit/test_pypy_c/test__ffi.py
--- a/pypy/module/pypyjit/test_pypy_c/test__ffi.py
+++ b/pypy/module/pypyjit/test_pypy_c/test__ffi.py
@@ -134,3 +134,31 @@
call = ops[idx]
assert (call.args[0] == 'ConstClass(fabs)' or # e.g. OS/X
int(call.args[0]) == fabs_addr)
+
+
+ def test__ffi_struct(self):
+ def main():
+ from _ffi import _StructDescr, Field, types
+ fields = [
+ Field('x', types.slong),
+ ]
+ descr = _StructDescr('foo', fields)
+ struct = descr.allocate()
+ i = 0
+ while i < 300:
+ x = struct.getfield('x') # ID: getfield
+ x = x+1
+ struct.setfield('x', x) # ID: setfield
+ i += 1
+ return struct.getfield('x')
+ #
+ log = self.run(main, [])
+ loop, = log.loops_by_filename(self.filepath)
+ assert loop.match_by_id('getfield', """
+ guard_not_invalidated(descr=...)
+ i57 = getfield_raw(i46, descr=<FieldS dynamic 0>)
+ """)
+ assert loop.match_by_id('setfield', """
+ setfield_raw(i44, i57, descr=<FieldS dynamic 0>)
+ """)
+
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