Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r212:0ef23a1fa399
Date: 2014-12-19 17:13 +0100
http://bitbucket.org/cffi/creflect/changeset/0ef23a1fa399/
Log: more test
diff --git a/zeffir/test/test_c.py b/zeffir/test/test_c.py
--- a/zeffir/test/test_c.py
+++ b/zeffir/test/test_c.py
@@ -518,3 +518,22 @@
py.test.raises(TypeError, "a - q")
e = py.test.raises(TypeError, "q - a")
assert str(e.value) == "cannot subtract cdata 'short *' and cdata 'int *'"
+
+def test_cast_between_pointers():
+ ffi = support.new_ffi()
+ BIntP = ffi.typeof("int *")
+ a = ffi.new("int[]", [40, 41, 42, 43, 44])
+ b = ffi.cast("short *", a)
+ c = ffi.cast(BIntP, b)
+ assert c[3] == 43
+ d = ffi.cast("long long", c)
+ e = ffi.cast(BIntP, d)
+ assert e[3] == 43
+ f = ffi.cast(BIntP, d)
+ assert f[3] == 43
+ #
+ b = ffi.cast("short *", 0)
+ assert not b
+ c = ffi.cast(BIntP, b)
+ assert not c
+ assert ffi.cast("long long", c) == 0
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