Author: Armin Rigo <[email protected]>
Branch: ffi-backend
Changeset: r55767:13605fd8216a
Date: 2012-06-23 11:28 +0200
http://bitbucket.org/pypy/pypy/changeset/13605fd8216a/
Log: Extra tests.
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
@@ -65,6 +65,7 @@
assert int(cast(p, max)) == max
assert int(cast(p, min - 1)) == max
assert int(cast(p, max + 1)) == min
+ assert int(cast(p, None)) == 0
assert long(cast(p, min - 1)) == max
for name in ['char', 'short', 'int', 'long', 'long long']:
p = new_primitive_type('unsigned ' + name)
@@ -142,6 +143,16 @@
assert p == q
assert hash(p) == hash(q)
+def test_pointer_bool():
+ BInt = new_primitive_type("int")
+ BPtr = new_pointer_type(BInt)
+ p = cast(BPtr, None)
+ assert bool(p) is False
+ p = cast(BPtr, 0)
+ assert bool(p) is False
+ p = cast(BPtr, 42)
+ assert bool(p) is True
+
def test_pointer_to_pointer():
BInt = new_primitive_type("int")
BPtr = new_pointer_type(BInt)
@@ -187,6 +198,8 @@
assert p[0] == 'A'
py.test.raises(TypeError, newp, BPtr, 65)
py.test.raises(TypeError, newp, BPtr, "foo")
+ assert str(cast(BChar, 'A')) == 'A'
+ py.test.raises(TypeError, cast, BChar, 'foo')
def test_hash_differences():
BChar = new_primitive_type("char")
@@ -196,6 +209,47 @@
hash(cast(BInt, 65)))
assert hash(cast(BFloat, 65)) != hash(65.0)
+def test_no_len_on_nonarray():
+ p = new_primitive_type("int")
+ py.test.raises(TypeError, len, cast(p, 42))
+
+def test_cmp_none():
+ p = new_primitive_type("int")
+ x = cast(p, 42)
+ assert (x == None) is False
+ assert (x != None) is True
+ assert (x == ["hello"]) is False
+ assert (x != ["hello"]) is True
+
+def test_invalid_indexing():
+ p = new_primitive_type("int")
+ x = cast(p, 42)
+ py.test.raises(TypeError, "p[0]")
+
+def test_default_str():
+ p = new_primitive_type("int")
+ x = cast(p, 42)
+ assert str(x) == repr(x)
+
+def test_cast_from_cdataint():
+ BInt = new_primitive_type("int")
+ x = cast(BInt, 0)
+ y = cast(new_pointer_type(BInt), x)
+ assert bool(y) is False
+ #
+ x = cast(BInt, 42)
+ y = cast(BInt, x)
+ assert int(y) == 42
+ y = cast(new_primitive_type("char"), x)
+ assert str(y) == chr(42)
+ y = cast(new_primitive_type("float"), x)
+ assert float(y) == 42.0
+ #
+ z = cast(BInt, 42.5)
+ assert int(z) == 42
+ z = cast(BInt, y)
+ assert int(z) == 42
+
def test_array_type():
p = new_primitive_type("int")
assert repr(p) == "<ctype 'int'>"
@@ -236,6 +290,7 @@
assert a[i] == i * i + 1
e = py.test.raises(IndexError, "a[LENGTH+100] = 500")
assert ('(expected %d < %d)' % (LENGTH+100, LENGTH)) in str(e.value)
+ py.test.raises(TypeError, int, a)
def test_array_of_unknown_length_instance():
p = new_primitive_type("int")
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