diff --git a/unittests/index_operator.chai b/unittests/index_operator.chai
index 7ff4670..e8af5cf 100644
--- a/unittests/index_operator.chai
+++ b/unittests/index_operator.chai
@@ -7,4 +7,4 @@ var b = Bob();
 
 
 assert_equal(b.bob3()[0], 1);
-assert_equal((b.bob3())[1, 2);
+assert_equal((b.bob3())[1], 2);
diff --git a/unittests/string_literal_access.chai b/unittests/string_literal_access.chai
new file mode 100644
index 0000000..e8943a1
--- /dev/null
+++ b/unittests/string_literal_access.chai
@@ -0,0 +1 @@
+assert_equal('b', "abc"[1])