Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r1581:f9bbb11363fc
Date: 2014-11-21 20:45 +0100
http://bitbucket.org/cffi/cffi/changeset/f9bbb11363fc/
Log: Redo the original intention of a couple of extra tests.
diff --git a/testing/test_verify.py b/testing/test_verify.py
--- a/testing/test_verify.py
+++ b/testing/test_verify.py
@@ -99,9 +99,10 @@
extra_compile_args_orig = extra_compile_args[:]
extra_compile_args.remove('-Wconversion')
try:
- ffi.verify(source, **kargs)
+ lib = ffi.verify(source, **kargs)
finally:
- extra_compile_args[:] = extra_compile_args_orig
+ extra_compile_args[:] = extra_compile_args_orig
+ return lib
def test_Wconversion_unsigned():
_Wconversion("unsigned foo(void);",
@@ -112,8 +113,11 @@
"long long foo(void) { return 1<<sizeof(short);}")
def test_Wconversion_floating():
- _Wconversion("float sin(double);",
- "#include <math.h>", libraries=lib_m)
+ lib = _Wconversion("float sin(double);",
+ "#include <math.h>", libraries=lib_m)
+ res = lib.sin(1.23)
+ assert res != math.sin(1.23) # not exact, because of double->float
+ assert abs(res - math.sin(1.23)) < 1E-5
def test_Wconversion_float2int():
_Wconversion("int sinf(float);",
@@ -139,12 +143,17 @@
assert res != math.sin(1.23) # not exact, because of double->float
assert abs(res - math.sin(1.23)) < 1E-5
-def test_return_exact():
+def test_strlen_exact():
ffi = FFI()
ffi.cdef("size_t strlen(const char *s);")
lib = ffi.verify("#include <string.h>")
assert lib.strlen(b"hi there!") == 9
+def test_strlen_approximate():
+ lib = _Wconversion("int strlen(char *s);",
+ "#include <string.h>")
+ assert lib.strlen(b"hi there!") == 9
+
def test_return_approximate():
for typename in ['short', 'int', 'long', 'long long']:
ffi = FFI()
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