[gmime: 4/7] Added more unit testing for GMimeReferences

[Jeffrey Stedfast <fejj src gnome org>]

commit 99cbfcbdd29d6c4588a703726bd61e97b37ad92a
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Tue Mar 28 12:58:16 2017 -0400

    Added more unit testing for GMimeReferences

 tests/test-mime.c |   24 ++++++++++++++++++------
 1 files changed, 18 insertions(+), 6 deletions(-)
---
diff --git a/tests/test-mime.c b/tests/test-mime.c
index c076f41..bc73ea2 100644
--- a/tests/test-mime.c
+++ b/tests/test-mime.c
@@ -744,7 +744,7 @@ static struct {
 static void
 test_references (GMimeParserOptions *options)
 {
-       GMimeReferences *refs;
+       GMimeReferences *refs, *copy;
        guint i;
        int j;
        
@@ -752,23 +752,35 @@ test_references (GMimeParserOptions *options)
                testsuite_check ("references[%u]", i);
                try {
                        if (!(refs = g_mime_references_parse (references[i].input)))
-                               throw (exception_new ("failed to parse references[%u]", i));
+                               throw (exception_new ("failed to parse references"));
                        
                        if (g_mime_references_length (refs) != references[i].count)
-                               throw (exception_new ("number of references does not match for 
references[%u]", i));
+                               throw (exception_new ("number of references does not match"));
                        
                        for (j = 0; j < references[i].count; j++) {
                                const char *msgid = g_mime_references_get_message_id (refs, j);
                                
                                if (strcmp (references[i].ids[j], msgid) != 0)
-                                       throw (exception_new ("message ids do not match for 
references[%u][%d]", i, j));
+                                       throw (exception_new ("message ids do not match for ids[%d]", j));
                        }
                        
-                       g_mime_references_clear (refs);
+                       copy = g_mime_references_copy (refs);
+                       if (g_mime_references_length (copy) != g_mime_references_length (refs))
+                               throw (exception_new ("number of copied references does not match"));
                        
-                       if (g_mime_references_length (refs) != 0)
+                       for (j = 0; j < references[i].count; j++) {
+                               const char *msgid = g_mime_references_get_message_id (copy, j);
+                               
+                               if (strcmp (references[i].ids[j], msgid) != 0)
+                                       throw (exception_new ("copied message ids do not match for ids[%d]", 
j));
+                       }
+                       
+                       g_mime_references_clear (copy);
+                       
+                       if (g_mime_references_length (copy) != 0)
                                throw (exception_new ("references were not cleared"));
                        
+                       g_mime_references_free (copy);
                        g_mime_references_free (refs);
                        
                        testsuite_check_passed ();