[pypy-commit] pypy py3.3: Update cffi backend test c file.
marky1991
pypy.commits at gmail.com
Tue Jan 12 22:23:57 EST 2016
Author: marky1991
Branch: py3.3
Changeset: r81703:617867e5ac22
Date: 2015-12-29 23:48 -0500
http://bitbucket.org/pypy/pypy/changeset/617867e5ac22/
Log: Update cffi backend test c file.
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
@@ -1,6 +1,9 @@
# ____________________________________________________________
import sys
+assert __version__ == "1.4.2", ("This test_c.py file is for testing a version"
+ " of cffi that differs from the one that we"
+ " get from 'import _cffi_backend'")
if sys.version_info < (3,):
type_or_class = "type"
mandatory_b_prefix = ''
@@ -2313,9 +2316,6 @@
f(); f()
assert get_errno() == 77
-def test_abi():
- assert isinstance(FFI_DEFAULT_ABI, int)
-
def test_cast_to_array():
# not valid in C! extension to get a non-owning <cdata 'int[3]'>
BInt = new_primitive_type("int")
@@ -3393,6 +3393,78 @@
check(4 | 8, "CHB", "GTB")
check(4 | 16, "CHB", "ROB")
+def test_memmove():
+ Short = new_primitive_type("short")
+ ShortA = new_array_type(new_pointer_type(Short), None)
+ Char = new_primitive_type("char")
+ CharA = new_array_type(new_pointer_type(Char), None)
+ p = newp(ShortA, [-1234, -2345, -3456, -4567, -5678])
+ memmove(p, p + 1, 4)
+ assert list(p) == [-2345, -3456, -3456, -4567, -5678]
+ p[2] = 999
+ memmove(p + 2, p, 6)
+ assert list(p) == [-2345, -3456, -2345, -3456, 999]
+ memmove(p + 4, newp(CharA, b"\x71\x72"), 2)
+ if sys.byteorder == 'little':
+ assert list(p) == [-2345, -3456, -2345, -3456, 0x7271]
+ else:
+ assert list(p) == [-2345, -3456, -2345, -3456, 0x7172]
+
+def test_memmove_buffer():
+ import array
+ Short = new_primitive_type("short")
+ ShortA = new_array_type(new_pointer_type(Short), None)
+ a = array.array('H', [10000, 20000, 30000])
+ p = newp(ShortA, 5)
+ memmove(p, a, 6)
+ assert list(p) == [10000, 20000, 30000, 0, 0]
+ memmove(p + 1, a, 6)
+ assert list(p) == [10000, 10000, 20000, 30000, 0]
+ b = array.array('h', [-1000, -2000, -3000])
+ memmove(b, a, 4)
+ assert b.tolist() == [10000, 20000, -3000]
+ assert a.tolist() == [10000, 20000, 30000]
+ p[0] = 999
+ p[1] = 998
+ p[2] = 997
+ p[3] = 996
+ p[4] = 995
+ memmove(b, p, 2)
+ assert b.tolist() == [999, 20000, -3000]
+ memmove(b, p + 2, 4)
+ assert b.tolist() == [997, 996, -3000]
+ p[2] = -p[2]
+ p[3] = -p[3]
+ memmove(b, p + 2, 6)
+ assert b.tolist() == [-997, -996, 995]
+
+def test_memmove_readonly_readwrite():
+ SignedChar = new_primitive_type("signed char")
+ SignedCharA = new_array_type(new_pointer_type(SignedChar), None)
+ p = newp(SignedCharA, 5)
+ memmove(p, b"abcde", 3)
+ assert list(p) == [ord("a"), ord("b"), ord("c"), 0, 0]
+ memmove(p, bytearray(b"ABCDE"), 2)
+ assert list(p) == [ord("A"), ord("B"), ord("c"), 0, 0]
+ py.test.raises((TypeError, BufferError), memmove, b"abcde", p, 3)
+ ba = bytearray(b"xxxxx")
+ memmove(dest=ba, src=p, n=3)
+ assert ba == bytearray(b"ABcxx")
+ memmove(ba, b"EFGH", 4)
+ assert ba == bytearray(b"EFGHx")
+
+def test_memmove_sign_check():
+ SignedChar = new_primitive_type("signed char")
+ SignedCharA = new_array_type(new_pointer_type(SignedChar), None)
+ p = newp(SignedCharA, 5)
+ py.test.raises(ValueError, memmove, p, p + 1, -1) # not segfault
+
+def test_memmove_bad_cdata():
+ BInt = new_primitive_type("int")
+ p = cast(BInt, 42)
+ py.test.raises(TypeError, memmove, p, bytearray(b'a'), 1)
+ py.test.raises(TypeError, memmove, bytearray(b'a'), p, 1)
+
def test_dereference_null_ptr():
BInt = new_primitive_type("int")
BIntPtr = new_pointer_type(BInt)
@@ -3425,6 +3497,20 @@
"that you are not e.g. mixing up different ffi "
"instances)")
-def test_version():
- # this test is here mostly for PyPy
- assert __version__ == "1.2.1"
+def test_stdcall_function_type():
+ assert FFI_CDECL == FFI_DEFAULT_ABI
+ try:
+ stdcall = FFI_STDCALL
+ except NameError:
+ stdcall = FFI_DEFAULT_ABI
+ BInt = new_primitive_type("int")
+ BFunc = new_function_type((BInt, BInt), BInt, False, stdcall)
+ if stdcall != FFI_DEFAULT_ABI:
+ assert repr(BFunc) == "<ctype 'int(__stdcall *)(int, int)'>"
+ else:
+ assert repr(BFunc) == "<ctype 'int(*)(int, int)'>"
+
+def test_get_common_types():
+ d = {}
+ _get_common_types(d)
+ assert d['bool'] == '_Bool'
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