diff options
Diffstat (limited to 'testing/cffi0/test_verify.py')
| -rw-r--r-- | testing/cffi0/test_verify.py | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/testing/cffi0/test_verify.py b/testing/cffi0/test_verify.py index 5308e1d..e600908 100644 --- a/testing/cffi0/test_verify.py +++ b/testing/cffi0/test_verify.py @@ -1075,9 +1075,13 @@ def test_autofilled_struct_as_argument_dynamic(): int (*foo)(struct foo_s s) = &foo1; """) e = py.test.raises(NotImplementedError, lib.foo, "?") - msg = ("ctype 'struct foo_s' not supported as argument (it is a struct " - 'declared with "...;", but the C calling convention may depend ' - 'on the missing fields)') + msg = ("ctype 'struct foo_s' not supported as argument. It is a struct " + 'declared with "...;", but the C calling convention may depend on ' + "the missing fields; or, it contains anonymous struct/unions. " + "Such structs are only supported as argument " + "if the function is 'API mode' and non-variadic (i.e. declared " + "inside ffibuilder.cdef()+ffibuilder.set_source() and not taking " + "a final '...' argument)") assert str(e.value) == msg def test_func_returns_struct(): @@ -2146,14 +2150,23 @@ def test_consider_not_implemented_function_type(): # assert did not crash so far e = py.test.raises(NotImplementedError, fooptr, ffi.new("Data *")) assert str(e.value) == ( - "ctype 'Data' (size 4) not supported as argument") + "ctype 'Data' not supported as argument by libffi. Unions are only " + "supported as argument if the function is 'API mode' and " + "non-variadic (i.e. declared inside ffibuilder.cdef()+" + "ffibuilder.set_source() and not taking a final '...' argument)") e = py.test.raises(NotImplementedError, bazptr) assert str(e.value) == ( - "ctype 'Data' (size 4) not supported as return value") + "ctype 'Data' not supported as return value by libffi. Unions are " + "only supported as return value if the function is 'API mode' and " + "non-variadic (i.e. declared inside ffibuilder.cdef()+" + "ffibuilder.set_source() and not taking a final '...' argument)") e = py.test.raises(NotImplementedError, barptr) assert str(e.value) == ( - "ctype 'MyStr' not supported as return value " - "(it is a struct with bit fields)") + "ctype 'MyStr' not supported as return value. It is a struct with " + "bit fields, which libffi does not support. Such structs are only " + "supported as return value if the function is 'API mode' and non-" + "variadic (i.e. declared inside ffibuilder.cdef()+ffibuilder." + "set_source() and not taking a final '...' argument)") def test_verify_extra_arguments(): ffi = FFI() |