Author: Manuel Jacob
Branch:
Changeset: r68781:1e4e288a86b9
Date: 2014-01-20 13:00 +0100
http://bitbucket.org/pypy/pypy/changeset/1e4e288a86b9/
Log: Update _backend_test_c.py.
diff --git a/pypy/module/_cffi_backend/test/_backend_test_c.py
b/pypy/module/_cffi_backend/test/_backend_test_c.py
--- a/pypy/module/_cffi_backend/test/_backend_test_c.py
+++ b/pypy/module/_cffi_backend/test/_backend_test_c.py
@@ -3137,6 +3137,34 @@
p = newp(BArray, None)
assert sizeof(p[2:9]) == 7 * sizeof(BInt)
+def test_packed():
+ BLong = new_primitive_type("long")
+ BChar = new_primitive_type("char")
+ BShort = new_primitive_type("short")
+ BStruct = new_struct_type("struct foo")
+ complete_struct_or_union(BStruct, [('a1', BLong, -1),
+ ('a2', BChar, -1),
+ ('a3', BShort, -1)],
+ None, -1, -1, 8) # SF_PACKED==8
+ d = BStruct.fields
+ assert len(d) == 3
+ assert d[0][0] == 'a1'
+ assert d[0][1].type is BLong
+ assert d[0][1].offset == 0
+ assert d[0][1].bitshift == -1
+ assert d[0][1].bitsize == -1
+ assert d[1][0] == 'a2'
+ assert d[1][1].type is BChar
+ assert d[1][1].offset == sizeof(BLong)
+ assert d[1][1].bitshift == -1
+ assert d[1][1].bitsize == -1
+ assert d[2][0] == 'a3'
+ assert d[2][1].type is BShort
+ assert d[2][1].offset == sizeof(BLong) + sizeof(BChar)
+ assert d[2][1].bitshift == -1
+ assert d[2][1].bitsize == -1
+ assert sizeof(BStruct) == sizeof(BLong) + sizeof(BChar) + sizeof(BShort)
+ assert alignof(BStruct) == 1
def test_version():
# this test is here mostly for PyPy
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