add constant expression test

test/constexpr.py

@@ -1,17 +0,0 @@
-import unittest
-from llvm.core import *
-
-class TestConstExpr(unittest.TestCase):
-    def test_constexpr_opcode(self):
-        mod = Module.new('test_constexpr_opcode')
-        func = mod.add_function(Type.function(Type.void(), []), name="foo")
-        builder = Builder.new(func.append_basic_block('entry'))
-        a = builder.inttoptr(Constant.int(Type.int(), 123),
-                             Type.pointer(Type.int()))
-        self.assertTrue(isinstance(a, ConstantExpr))
-        self.assertEqual(a.opcode, OPCODE_INTTOPTR)
-        self.assertEqual(a.opcode_name, "inttoptr")
-
-if __name__ == '__main__':
-    unittest.main()
-