[gmime] Fixed test-parser.c's usage of part iters

[Jeffrey Stedfast <fejj src gnome org>]

commit d868ffbc159fe2a6b3567e8cb1ea221f8a5ee506
Author: Jeffrey Stedfast <fejj gnome org>
Date:   Sat Feb 18 10:36:55 2012 -0500

    Fixed test-parser.c's usage of part iters

 tests/test-parser.c |   42 +++++++++++++++++++++++-------------------
 1 files changed, 23 insertions(+), 19 deletions(-)
---
diff --git a/tests/test-parser.c b/tests/test-parser.c
index bda3301..7f1f16c 100644
--- a/tests/test-parser.c
+++ b/tests/test-parser.c
@@ -124,28 +124,32 @@ print_mime_struct_iter (GMimeMessage *message)
 	char *path;
 	
 	iter = g_mime_part_iter_new ((GMimeObject *) message);
-	
-	part = g_mime_part_iter_get_parent (iter);
-	print_mime_part_info ("TEXT", part);
-	
-	do {
-		part = g_mime_part_iter_get_current (iter);
-		path = g_mime_part_iter_get_path (iter);
-		print_mime_part_info (path, part);
-		g_free (path);
-	} while (g_mime_part_iter_next (iter));
-
+	if (g_mime_part_iter_is_valid (iter)) {
+		part = g_mime_part_iter_get_parent (iter);
+		print_mime_part_info ("TEXT", part);
+		
+		do {
+			part = g_mime_part_iter_get_current (iter);
+			path = g_mime_part_iter_get_path (iter);
+			print_mime_part_info (path, part);
+			g_free (path);
+		} while (g_mime_part_iter_next (iter));
+		
 #if 0
-	fprintf (stdout, "Jumping to %s\n", jump_to);
-	if (g_mime_part_iter_jump_to (iter, jump_to)) {
-		part = g_mime_part_iter_get_current (iter);
-		path = g_mime_part_iter_get_path (iter);
-		print_mime_part_info (path, part);
-		g_free (path);
+		fprintf (stdout, "Jumping to %s\n", jump_to);
+		if (g_mime_part_iter_jump_to (iter, jump_to)) {
+			part = g_mime_part_iter_get_current (iter);
+			path = g_mime_part_iter_get_path (iter);
+			print_mime_part_info (path, part);
+			g_free (path);
+		} else {
+			fprintf (stdout, "Failed to jump to %s\n", jump_to);
+		}
+#endif
 	} else {
-		fprintf (stdout, "Failed to jump to %s\n", jump_to);
+		part = g_mime_message_get_mime_part (message);
+		print_mime_part_info ("TEXT", part);
 	}
-#endif
 	
 	g_mime_part_iter_free (iter);
 }