Author: Armin Rigo <ar...@tunes.org>
Branch: ffi-backend
Changeset: r56502:d7a3a6930575
Date: 2012-07-29 18:28 +0200
http://bitbucket.org/pypy/pypy/changeset/d7a3a6930575/
Log: Update
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
@@ -1679,3 +1679,40 @@
assert x.a1 == 0
assert len(x.a2) == 2
assert list(x.a2) == [4, 5]
+
+def test_autocast_int():
+ BInt = new_primitive_type("int")
+ BIntPtr = new_pointer_type(BInt)
+ BLongLong = new_primitive_type("long long")
+ BULongLong = new_primitive_type("unsigned long long")
+ BULongLongPtr = new_pointer_type(BULongLong)
+ x = newp(BIntPtr, cast(BInt, 42))
+ assert x[0] == 42
+ x = newp(BIntPtr, cast(BLongLong, 42))
+ assert x[0] == 42
+ x = newp(BIntPtr, cast(BULongLong, 42))
+ assert x[0] == 42
+ x = newp(BULongLongPtr, cast(BInt, 42))
+ assert x[0] == 42
+ py.test.raises(OverflowError, newp, BULongLongPtr, cast(BInt, -42))
+ x = cast(BInt, cast(BInt, 42))
+ assert int(x) == 42
+ x = cast(BInt, cast(BLongLong, 42))
+ assert int(x) == 42
+ x = cast(BInt, cast(BULongLong, 42))
+ assert int(x) == 42
+ x = cast(BULongLong, cast(BInt, 42))
+ assert int(x) == 42
+ x = cast(BULongLong, cast(BInt, -42))
+ assert int(x) == 2 ** 64 - 42
+ x = cast(BIntPtr, cast(BInt, 42))
+ assert int(cast(BInt, x)) == 42
+
+def test_autocast_float():
+ BFloat = new_primitive_type("float")
+ BDouble = new_primitive_type("float")
+ BFloatPtr = new_pointer_type(BFloat)
+ x = newp(BFloatPtr, cast(BDouble, 12.5))
+ assert x[0] == 12.5
+ x = cast(BFloat, cast(BDouble, 12.5))
+ assert float(x) == 12.5
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