[glib] Improve GChecksum test coverage

[Matthias Clasen <matthiasc src gnome org>]

commit e02d8165d9e249e16328e1a9db9a8ad633a02d0f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 6 01:13:26 2011 -0400

    Improve GChecksum test coverage

 glib/tests/checksum.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/glib/tests/checksum.c b/glib/tests/checksum.c
index 0e51736..a58d8a0 100644
--- a/glib/tests/checksum.c
+++ b/glib/tests/checksum.c
@@ -593,6 +593,7 @@ test_checksum (gconstpointer d)
 {
   const ChecksumTest *test = d;
   GChecksum *checksum;
+  GChecksum *checksum2;
   const char *p;
   int chunk_length;
 
@@ -604,9 +605,12 @@ test_checksum (gconstpointer d)
 	  g_checksum_update (checksum, (const guchar *)p,
 			     MIN (chunk_length, test->length - (p - FIXED_STR)));
 	}
-
+      checksum2 = g_checksum_copy (checksum);
       g_assert_cmpstr (g_checksum_get_string (checksum), ==, test->sum);
       g_checksum_free (checksum);
+
+      g_assert_cmpstr (g_checksum_get_string (checksum2), ==, test->sum);
+      g_checksum_free (checksum2);
     }
 }