[glib/gvariant-varargs: 3/5] test g_variant_iter_copy

[Ryan Lortie <ryanl src gnome org>]

commit 18ada4290de8f1482d8e67354b116484f7db86b9
Author: Ryan Lortie <desrt desrt ca>
Date:   Sat Mar 6 11:28:38 2010 -0500

    test g_variant_iter_copy

 glib/tests/gvariant.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/glib/tests/gvariant.c b/glib/tests/gvariant.c
index ca38c53..d6b9541 100644
--- a/glib/tests/gvariant.c
+++ b/glib/tests/gvariant.c
@@ -2959,6 +2959,7 @@ test_varargs (void)
     GVariantBuilder builder;
     GVariantIter iter;
     GVariantIter *i2;
+    GVariantIter *i3;
     GVariant *value;
     GVariant *sub;
     gchar **strv;
@@ -2998,6 +2999,7 @@ test_varargs (void)
       }
 
     g_variant_iter_init (&iter, value);
+    i3 = g_variant_iter_copy (&iter);
     while (g_variant_iter_loop (&iter, "@ag", &sub))
       {
         gchar *str = g_variant_print (sub, TRUE);
@@ -3006,8 +3008,14 @@ test_varargs (void)
         g_free (str);
       }
 
-    g_variant_iter_init (&iter, value);
-    while (g_variant_iter_loop (&iter, "*", &sub))
+  if (do_failed_test ("*NULL has already been returned*"))
+    {
+      g_variant_iter_next_value (&iter);
+      abort ();
+    }
+
+
+    while (g_variant_iter_loop (i3, "*", &sub))
       {
         gchar *str = g_variant_print (sub, TRUE);
         g_assert_cmpstr (str, ==,
@@ -3015,6 +3023,8 @@ test_varargs (void)
         g_free (str);
       }
 
+    g_variant_iter_free (i3);
+
     for (i = 0; i < g_variant_n_children (value); i++)
       {
         gint j;