llvmpy/test/test.py
2013-01-24 11:58:28 -06:00

115 lines
3.5 KiB
Python

#!/usr/bin/env python
# watch out for uncollected objects
import gc
import unittest, sys, logging
from llvm import *
from llvm.core import *
from llvm.test_llvmpy import TestCase
class TestModule(TestCase):
def setUp(self):
pass
def testdata_layout(self):
"""Data layout property."""
m = Module.new("test2.1")
self.assertEqual(m.data_layout, '')
m.data_layout = 'some_value'
self.assertEqual(m.data_layout, 'some_value')
reqd = '; ModuleID = \'test2.1\'\ntarget datalayout = "some_value"\n'
self.assertEqual(str(m), reqd)
def testtarget(self):
"""Target property."""
m = Module.new("test3.1")
self.assertEqual(m.target, '')
m.target = 'some_value'
self.assertEqual(m.target, 'some_value')
reqd = '; ModuleID = \'test3.1\'\ntarget triple = "some_value"\n'
self.assertEqual(str(m), reqd)
# Type system is rewritten in LLVM 3.0.
# Only named StructType is supported.
# See http://blog.llvm.org/2011/11/llvm-30-type-system-rewrite.html
#
# def testtype_name(self):
# """Type names."""
# m = Module.new("test4.1")
# r = m.add_type_name("typename41", Type.int())
# self.assertEqual(r, 0)
# r = m.add_type_name("typename41", Type.int())
# self.assertEqual(r, 1)
# reqd = "; ModuleID = 'test4.1'\n\n%typename41 = type i32\n"
# self.assertEqual(str(m), reqd)
# r = m.delete_type_name("typename41")
# reqd = "; ModuleID = 'test4.1'\n"
# self.assertEqual(str(m), reqd)
# r = m.delete_type_name("no such name") # nothing should happen
# reqd = "; ModuleID = 'test4.1'\n"
# self.assertEqual(str(m), reqd)
def testtype_name(self):
m = Module.new("test4.1")
struct = Type.struct([Type.int(), Type.int()], name="struct.two.int")
self.assertEqual(struct.name, "struct.two.int")
got_struct = m.get_type_named(struct.name)
self.assertEqual(got_struct.name, struct.name)
self.assertEqual(got_struct.element_count, struct.element_count)
self.assertEqual(len(struct.elements), struct.element_count)
self.assertEqual(struct.elements, got_struct.elements)
for elty in struct.elements:
self.assertEqual(elty, Type.int())
# rename identified type
struct.name = 'new_name'
self.assertEqual(struct.name, 'new_name')
self.assertIs(m.get_type_named("struct.two.int"), None)
self.assertEqual(got_struct.name, struct.name)
# remove identified type
struct.name = ''
self.assertIs(m.get_type_named("struct.two.int"), None)
self.assertIs(m.get_type_named("new_name"), None)
# another name
struct.name = 'another.name'
self.assertEqual(struct.name, 'another.name')
self.assertEqual(got_struct.name, struct.name)
def testglobal_variable(self):
"""Global variables."""
m = Module.new("test5.1")
t = Type.int()
gv = m.add_global_variable(t, "gv")
self.assertNotEqual(gv, None)
self.assertEqual(gv.name, "gv")
self.assertEqual(gv.type, Type.pointer(t))
def main():
gc.set_debug(gc.DEBUG_LEAK)
# run tests
if sys.version_info[:2] > (2, 6):
unittest.main(exit=False) # set exit to False so that it will return.
else:
unittest.main()
# done
for it in gc.garbage:
logging.debug('garbage = %s', it)
if __name__ == '__main__':
main()