New long compilation tests

tests/tests_rpn.py

@@ -141,10 +141,23 @@ class TestRpnCompile(unittest.TestCase):
 
     def test_long_code(self):
         """ Compile long expressions """
-        for i in range(64,256,2):
-            for j in range(256,4):
-                exprs = ' '.join(['+' for _ in range(i)])
-                expr = pyrpn.RPNExpr(exprs, j)
+        for i in range(0x100,0x10000,0x500):
+            with self.subTest('Testing expression with %X ops' % i):
+                for argc in range(1,32, 8):
+                    args = [random.randint(0,IMAX) for _ in range(argc)]
+                    expr = pyrpn.RPNExpr(pyrpn.random_expr(argc, i), argc)
+                    del(expr)
+
+    def test_very_long(self):
+        """ Compile a very long expression """
+        argc = 4
+        codelen = 0x500000
+        import time
+        for i in range(3):
+            args = [random.randint(0,IMAX) for _ in range(argc)]
+            expr_str = pyrpn.random_expr(argc, codelen)
+            expr = pyrpn.RPNExpr(expr_str, argc)
+            del(expr)
 
     def test_pickling(self):  
         """ Pickle & unpickle tests """