test string const, equality

Author: Ehsan Totoni

hpat/tests/test_strings.py

@@ -13,5 +13,22 @@ def test_impl(_str):
         arg = ['test_str1', 'test_str2']
         self.assertEqual(hpat_func(arg), test_impl(arg))
 
+    def test_const(self):
+        def test_impl():
+            return 'test_str'
+        hpat_func = hpat.jit(test_impl)
+        self.assertEqual(hpat_func(), test_impl())
+
+    def test_equality(self):
+        def test_impl(_str):
+            return (_str=='test_str')
+        hpat_func = hpat.jit(test_impl)
+        arg = 'test_str'
+        self.assertEqual(hpat_func(arg), test_impl(arg))
+        def test_impl(_str):
+            return (_str!='test_str')
+        hpat_func = hpat.jit(test_impl)
+        self.assertEqual(hpat_func(arg), test_impl(arg))
+
 if __name__ == "__main__":
     unittest.main()