Introduce QList unit-tests

This suite contains tests to assure that QList API works as expected.

To execute it you should have check installed and build QEMU with
check support enabled (--enable-check-utests) and then run:

$ ./check-qlist

Patchworks-ID: 35333
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Makefile

@@ -211,6 +211,7 @@ qemu-img-cmds.h: $(SRC_PATH)/qemu-img-cmds.hx
 check-qint: check-qint.o qint.o qemu-malloc.o
 check-qstring: check-qstring.o qstring.o qemu-malloc.o
 check-qdict: check-qdict.o qdict.o qint.o qstring.o qemu-malloc.o
+check-qlist: check-qlist.o qlist.o qint.o qemu-malloc.o
 
 clean:
 # avoid old build problems by removing potentially incorrect old files

check-qlist.c

@@ -0,0 +1,153 @@
+/*
+ * QList unit-tests.
+ *
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+#include <check.h>
+
+#include "qint.h"
+#include "qlist.h"
+
+/*
+ * Public Interface test-cases
+ *
+ * (with some violations to access 'private' data)
+ */
+
+START_TEST(qlist_new_test)
+{
+    QList *qlist;
+
+    qlist = qlist_new();
+    fail_unless(qlist != NULL);
+    fail_unless(qlist->base.refcnt == 1);
+    fail_unless(qobject_type(QOBJECT(qlist)) == QTYPE_QLIST);
+
+    // destroy doesn't exist yet
+    qemu_free(qlist);
+}
+END_TEST
+
+START_TEST(qlist_append_test)
+{
+    QInt *qi;
+    QList *qlist;
+    QListEntry *entry;
+
+    qi = qint_from_int(42);
+
+    qlist = qlist_new();
+    qlist_append(qlist, qi);
+
+    entry = QTAILQ_FIRST(&qlist->head);
+    fail_unless(entry != NULL);
+    fail_unless(entry->value == QOBJECT(qi));
+
+    // destroy doesn't exist yet
+    QDECREF(qi);
+    qemu_free(entry);
+    qemu_free(qlist);
+}
+END_TEST
+
+START_TEST(qobject_to_qlist_test)
+{
+    QList *qlist;
+
+    qlist = qlist_new();
+
+    fail_unless(qobject_to_qlist(QOBJECT(qlist)) == qlist);
+
+    // destroy doesn't exist yet
+    qemu_free(qlist);
+}
+END_TEST
+
+START_TEST(qlist_destroy_test)
+{
+    int i;
+    QList *qlist;
+
+    qlist = qlist_new();
+
+    for (i = 0; i < 42; i++)
+        qlist_append(qlist, qint_from_int(i));
+
+    QDECREF(qlist);
+}
+END_TEST
+
+static int iter_called;
+static const int iter_max = 42;
+
+static void iter_func(QObject *obj, void *opaque)
+{
+    QInt *qi;
+
+    fail_unless(opaque == NULL);
+
+    qi = qobject_to_qint(obj);
+    fail_unless(qi != NULL);
+    fail_unless((qint_get_int(qi) >= 0) && (qint_get_int(qi) <= iter_max));
+
+    iter_called++;
+}
+
+START_TEST(qlist_iter_test)
+{
+    int i;
+    QList *qlist;
+
+    qlist = qlist_new();
+
+    for (i = 0; i < iter_max; i++)
+        qlist_append(qlist, qint_from_int(i));
+
+    iter_called = 0;
+    qlist_iter(qlist, iter_func, NULL);
+
+    fail_unless(iter_called == iter_max);
+
+    QDECREF(qlist);
+}
+END_TEST
+
+static Suite *QList_suite(void)
+{
+    Suite *s;
+    TCase *qlist_public_tcase;
+
+    s = suite_create("QList suite");
+
+    qlist_public_tcase = tcase_create("Public Interface");
+    suite_add_tcase(s, qlist_public_tcase);
+    tcase_add_test(qlist_public_tcase, qlist_new_test);
+    tcase_add_test(qlist_public_tcase, qlist_append_test);
+    tcase_add_test(qlist_public_tcase, qobject_to_qlist_test);
+    tcase_add_test(qlist_public_tcase, qlist_destroy_test);
+    tcase_add_test(qlist_public_tcase, qlist_iter_test);
+
+    return s;
+}
+
+int main(void)
+{
+	int nf;
+	Suite *s;
+	SRunner *sr;
+
+	s = QList_suite();
+	sr = srunner_create(s);
+
+	srunner_run_all(sr, CK_NORMAL);
+	nf = srunner_ntests_failed(sr);
+	srunner_free(sr);
+
+	return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}

configure

@@ -2012,7 +2012,7 @@ if test `expr "$target_list" : ".*softmmu.*"` != 0 ; then
   if [ "$linux" = "yes" ] ; then
       tools="qemu-nbd\$(EXESUF) qemu-io\$(EXESUF) $tools"
     if [ "$check_utests" = "yes" ]; then
-      tools="check-qint check-qstring check-qdict $tools"
+      tools="check-qint check-qstring check-qdict check-qlist $tools"
     fi
   elif test "$mingw32" = "yes" ; then
       tools="qemu-io\$(EXESUF) $tools"