Author: Armin Rigo <ar...@tunes.org>
Branch: ffi-backend
Changeset: r55802:853d9b317aad
Date: 2012-06-24 17:46 +0200
http://bitbucket.org/pypy/pypy/changeset/853d9b317aad/
Log: Reimport from cffi/cffi.
diff --git a/pypy/module/_ffi_backend/test/_backend_test_c.py
b/pypy/module/_ffi_backend/test/_backend_test_c.py
--- a/pypy/module/_ffi_backend/test/_backend_test_c.py
+++ b/pypy/module/_ffi_backend/test/_backend_test_c.py
@@ -865,3 +865,71 @@
pass
else:
raise AssertionError
+
+def test_assign_string():
+ BChar = new_primitive_type("char")
+ BArray1 = new_array_type(new_pointer_type(BChar), 5)
+ BArray2 = new_array_type(new_pointer_type(BArray1), 5)
+ a = newp(BArray2, ["abc", "de", "ghij"])
+ assert str(a[2]) == "ghij"
+ a[2] = "."
+ assert str(a[2]) == "."
+ a[2] = "12345"
+ assert str(a[2]) == "12345"
+ e = py.test.raises(IndexError, 'a[2] = "123456"')
+ assert 'char[5]' in str(e.value)
+ assert 'got 6 characters' in str(e.value)
+
+def test_add_error():
+ x = cast(new_primitive_type("int"), 42)
+ py.test.raises(TypeError, "x + 1")
+ py.test.raises(TypeError, "x - 1")
+
+def test_void_errors():
+ py.test.raises(TypeError, alignof, new_void_type())
+ py.test.raises(TypeError, newp, new_pointer_type(new_void_type()), None)
+ x = cast(new_pointer_type(new_void_type()), 42)
+ py.test.raises(TypeError, "x + 1")
+ py.test.raises(TypeError, "x - 1")
+
+def test_too_many_items():
+ BChar = new_primitive_type("char")
+ BArray = new_array_type(new_pointer_type(BChar), 5)
+ py.test.raises(IndexError, newp, BArray, ('1', '2', '3', '4', '5', '6'))
+ py.test.raises(IndexError, newp, BArray, ['1', '2', '3', '4', '5', '6'])
+ py.test.raises(IndexError, newp, BArray, '123456')
+ BStruct = new_struct_type("foo")
+ complete_struct_or_union(BStruct, [])
+ py.test.raises(TypeError, newp, new_pointer_type(BStruct), '')
+ py.test.raises(ValueError, newp, new_pointer_type(BStruct), ['1'])
+
+def test_more_type_errors():
+ BInt = new_primitive_type("int")
+ BChar = new_primitive_type("char")
+ BArray = new_array_type(new_pointer_type(BChar), 5)
+ py.test.raises(TypeError, newp, BArray, 12.34)
+ BArray = new_array_type(new_pointer_type(BInt), 5)
+ py.test.raises(TypeError, newp, BArray, 12.34)
+ BFloat = new_primitive_type("float")
+ py.test.raises(TypeError, cast, BFloat, newp(BArray, None))
+
+def test_more_overflow_errors():
+ BUInt = new_primitive_type("unsigned int")
+ py.test.raises(OverflowError, newp, new_pointer_type(BUInt), -1)
+ py.test.raises(OverflowError, newp, new_pointer_type(BUInt), 2**32)
+
+def test_newp_copying_struct_and_union():
+ BInt = new_primitive_type("int")
+ BStruct = new_struct_type("foo_s")
+ BStructPtr = new_pointer_type(BStruct)
+ complete_struct_or_union(BStruct, [('a1', BInt, -1)])
+ s1 = newp(BStructPtr, [42])
+ s2 = newp(BStructPtr, s1[0])
+ assert s2.a1 == 42
+ #
+ BUnion = new_union_type("foo_u")
+ BUnionPtr = new_pointer_type(BUnion)
+ complete_struct_or_union(BUnion, [('a1', BInt, -1)])
+ u1 = newp(BUnionPtr, 42)
+ u2 = newp(BUnionPtr, u1[0])
+ assert u2.a1 == 42
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