Reorganize and cleanup tests

llvm/tests/test_opaque.py

@@ -0,0 +1,38 @@
+import unittest
+import llvm
+from llvm.core import Type
+from .support import TestCase, tests
+
+class TestOpaque(TestCase):
+
+    def test_opaque(self):
+        # Create an opaque type
+        ts = Type.opaque('mystruct')
+        self.assertTrue('type opaque' in str(ts))
+        self.assertTrue(ts.is_opaque)
+        self.assertTrue(ts.is_identified)
+        self.assertFalse(ts.is_literal)
+        #print(ts)
+
+        # Create a recursive type
+        ts.set_body([Type.int(), Type.pointer(ts)])
+
+        self.assertEqual(ts.elements[0], Type.int())
+        self.assertEqual(ts.elements[1], Type.pointer(ts))
+        self.assertEqual(ts.elements[1].pointee, ts)
+        self.assertFalse(ts.is_opaque) # is not longer a opaque type
+        #print(ts)
+
+        with self.assertRaises(llvm.LLVMException):
+            # Cannot redefine
+            ts.set_body([])
+
+    def test_opaque_with_no_name(self):
+        with self.assertRaises(llvm.LLVMException):
+            Type.opaque('')
+
+tests.append(TestOpaque)
+
+if __name__ == '__main__':
+    unittest.main()
+