Added test case for expressions
diff --git a/tests/test_c_parser.py b/tests/test_c_parser.py
index bae764c..b489bb8 100644
--- a/tests/test_c_parser.py
+++ b/tests/test_c_parser.py
@@ -261,12 +261,12 @@
                 ['TypeDecl', ['IdentifierType', ['int']]]]])
 
         # function return values and parameters may not have type information
-        self.assertEqual(self.get_decl('extern foobar(foo, bar);'), 
-            ['Decl', 'foobar', 
-                ['FuncDecl', 
+        self.assertEqual(self.get_decl('extern foobar(foo, bar);'),
+            ['Decl', 'foobar',
+                ['FuncDecl',
                     [   ['ID', 'foo'],
                         ['ID', 'bar']
-                    ], 
+                    ],
                 ['TypeDecl', ['IdentifierType', ['int']]]]])
 
     def test_nested_decls(self): # the fun begins
@@ -1225,6 +1225,19 @@
         e2 = r'''char n = '\n', *prefix = "st_";'''
         self.assert_all_Constants(e2, [r"'\n'", '"st_"'])
 
+        s1 = r'''int main() {
+                    int i = 5, j = 6, k = 1;
+                    if ((i=j && k == 1) || k > j)
+                        printf("Hello, world\n");
+                    return 0;
+                 }'''
+        ps1 = self.parse(s1)
+        self.assert_all_Constants(ps1,
+            ['5', '6', '1', '1', '"Hello, world\\n"', '0'])
+        self.assert_num_ID_refs(ps1, 'i', 1)
+        self.assert_num_ID_refs(ps1, 'j', 2)
+
+
     def test_statements(self):
         s1 = r'''
             void foo(){