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from rpython.rlib.rdynload import *
from rpython.rlib.clibffi import get_libc_name
from rpython.rtyper.lltypesystem import rffi, lltype
from rpython.translator.platform import platform
import py
class TestDLOperations:
def test_dlopen(self):
s = rffi.str2charp('xxxxxxxxxxxx')
py.test.raises(DLOpenError, "dlopen(s)")
rffi.free_charp(s)
#
s = rffi.str2charp(get_libc_name())
assert dlopen(s)
rffi.free_charp(s)
def test_dlsym(self):
s = rffi.str2charp(get_libc_name())
lib = dlopen(s)
rffi.free_charp(s)
handle = rffi.cast(lltype.Ptr(lltype.FuncType([lltype.Signed],
lltype.Signed)), dlsym(lib, 'abs'))
assert 1 == handle(1)
assert 1 == handle(-1)
def test_ldscripts(self):
# this test only makes sense on linux
if platform.name != "linux":
return
fname = os.path.join(os.path.dirname(__file__), "ldscript_working1.so")
s = rffi.str2charp(fname)
assert "C object" in str(dlopen(s))
rffi.free_charp(s)
fname = os.path.join(os.path.dirname(__file__), "ldscript_working2.so")
s = rffi.str2charp(fname)
assert "C object" in str(dlopen(s))
rffi.free_charp(s)
fname = os.path.join(os.path.dirname(__file__), "ldscript_broken1.so")
s = rffi.str2charp(fname)
py.test.raises(DLOpenError, 'dlopen(s)')
rffi.free_charp(s)
fname = os.path.join(os.path.dirname(__file__), "ldscript_broken2.so")
s = rffi.str2charp(fname)
py.test.raises(DLOpenError, 'dlopen(s)')
rffi.free_charp(s)
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