Author: Armin Rigo <ar...@tunes.org>
Branch: ffi-backend
Changeset: r56621:919262f4cd5f
Date: 2012-08-07 10:24 +0200
http://bitbucket.org/pypy/pypy/changeset/919262f4cd5f/
Log: Import test_c from cffi
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
@@ -82,6 +82,7 @@
def test_no_float_on_int_types():
p = new_primitive_type('long')
py.test.raises(TypeError, float, cast(p, 42))
+ py.test.raises(TypeError, complex, cast(p, 42))
def test_float_types():
INF = 1E200 * 1E200
@@ -112,6 +113,39 @@
assert float(cast(p, True)) == 1.0
py.test.raises(TypeError, cast, p, None)
+def test_complex_types():
+ py.test.skip("later")
+ INF = 1E200 * 1E200
+ for name in ["float", "double"]:
+ p = new_primitive_type("_Complex " + name)
+ assert bool(cast(p, 0))
+ assert bool(cast(p, INF))
+ assert bool(cast(p, -INF))
+ assert bool(cast(p, 0j))
+ assert bool(cast(p, INF*1j))
+ assert bool(cast(p, -INF*1j))
+ py.test.raises(TypeError, int, cast(p, -150))
+ py.test.raises(TypeError, long, cast(p, -150))
+ py.test.raises(TypeError, float, cast(p, -150))
+ assert complex(cast(p, 1.25)) == 1.25
+ assert complex(cast(p, 1.25j)) == 1.25j
+ assert float(cast(p, INF*1j)) == INF*1j
+ assert float(cast(p, -INF)) == -INF
+ if name == "float":
+ assert complex(cast(p, 1.1j)) != 1.1j # rounding error
+ assert complex(cast(p, 1E200+3j)) == INF+3j # limited range
+ assert complex(cast(p, 3+1E200j)) == 3+INF*1j # limited range
+
+ assert cast(p, -1.1j) != cast(p, -1.1j)
+ assert repr(complex(cast(p, -0.0)).real) == '-0.0'
+ assert repr(complex(cast(p, -0j))) == '-0j'
+ assert complex(cast(p, '\x09')) == 9.0
+ assert complex(cast(p, True)) == 1.0
+ py.test.raises(TypeError, cast, p, None)
+ #
+ py.test.raises(cast, new_primitive_type(name), 1+2j)
+ py.test.raises(cast, new_primitive_type("int"), 1+2j)
+
def test_character_type():
p = new_primitive_type("char")
assert bool(cast(p, '\x00'))
@@ -1256,6 +1290,7 @@
BArray = new_array_type(new_pointer_type(BByte), None)
a = newp(BArray, [65, 66, 67])
assert type(string(a)) is str and string(a) == 'ABC'
+ assert string(a, 8).startswith('ABC') # may contain additional garbage
def test_string_wchar():
BWChar = new_primitive_type("wchar_t")
@@ -1265,7 +1300,7 @@
BArray = new_array_type(new_pointer_type(BWChar), None)
a = newp(BArray, [u'A', u'B', u'C'])
assert type(string(a)) is unicode and string(a) == u'ABC'
- assert string(a, 10) == u'ABC'
+ assert string(a, 8).startswith(u'ABC') # may contain additional garbage
def test_string_typeerror():
BShort = new_primitive_type("short")
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