From 31ca762c6260b80bb8f8a597c4336cb173439b92 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Sun, 17 Feb 2019 09:49:49 +0100
Subject: [PATCH] Add a new test case for empty string.

---
 tests/test-mstring.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/test-mstring.c b/tests/test-mstring.c
index 58522ba7..a503fc89 100644
--- a/tests/test-mstring.c
+++ b/tests/test-mstring.c
@@ -91,12 +91,17 @@ static void test_utf8_basic(void)
 static void test_utf8_it(void)
 {
   string_t s;
+  string_it_t it;
   string_init(s);
+
+  for(string_it(it, s) ; !string_end_p(it); string_next(it)) {
+    assert(0); // Shall not be called
+  }
+  
   const unsigned int tab[] = { 45, 1458, 25623, 129, 24 };
   for(int i = 0; i < 5; i++)
     string_push_u (s, tab[i]);
   assert (string_length_u(s) == 5);
-  string_it_t it;
   int i = 0;
   for(string_it(it, s) ; !string_end_p(it); string_next(it), i++) {
     assert (i < 5);