[pypy-commit] pypy ctypes_char_indexing: added tests for char_p and unichar_p interpretation

[Alecsandru Patrascu]

Author: Alecsandru Patrascu <alecsandru.patrascu at rinftech.com>
Branch: ctypes_char_indexing
Changeset: r91553:76bf604679cd
Date: 2017-05-30 09:58 +0300
http://bitbucket.org/pypy/pypy/changeset/76bf604679cd/

Log:	added tests for char_p and unichar_p interpretation

diff --git a/pypy/module/test_lib_pypy/ctypes_tests/test_array.py b/pypy/module/test_lib_pypy/ctypes_tests/test_array.py
--- a/pypy/module/test_lib_pypy/ctypes_tests/test_array.py
+++ b/pypy/module/test_lib_pypy/ctypes_tests/test_array.py
@@ -138,4 +138,39 @@
         x.y = 3
         y[1] = x
         assert y[1].y == 3
+
+    def test_output_simple(self):
+        A = c_char * 10
+        TP = POINTER(A)
+        x = TP(A())
+        assert repr(x[0]) != "''"
+        assert isinstance(repr(x[0]), bytes)
+
+        A = c_wchar * 10
+        TP = POINTER(A)
+        x = TP(A())
+        assert repr(x[0]) != "''"
+        assert isinstance(repr(x[0]), bytes)
+
+    def test_output_complex_test(self):
+        class Car(Structure):
+            _fields_ = [("brand", c_char * 10),
+                        ("speed", c_float),
+                        ("owner", c_char * 10)]
+
+        assert Car("abcdefghi", 42.0, "12345").brand == "abcdefghi"
+        assert Car("abcdefghio", 42.0, "12345").brand == "abcdefghio"
+        raises(ValueError, Car, "abcdefghiop", 42.0, "12345")
+
+        A = Car._fields_[2][1]
+        TP = POINTER(A)
+        x = TP(A())
+        assert repr(x[0]) != "''"
+        assert isinstance(repr(x[0]), bytes)
+
+        c = Car()
+        c.brand = "abcdex"
+        c.speed = 42.0
+        c.owner = "12345"
+        assert isinstance(repr(c.brand), bytes)