Introduce QInt unit-tests

This suite contains tests to assure that QInt 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-qint

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

1 files changed, 110 insertions, 0 deletions

diff --git a/check-qint.c b/check-qint.c
new file mode 100644
index 0000000000..ae5d22f7e7
--- /dev/null
+++ b/check-qint.c
@@ -0,0 +1,110 @@
+/*
+ * QInt unit-tests.
+ *
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ */
+#include <check.h>
+
+#include "qint.h"
+#include "qemu-common.h"
+
+/*
+ * Public Interface test-cases
+ *
+ * (with some violations to access 'private' data)
+ */
+
+START_TEST(qint_from_int_test)
+{
+    QInt *qi;
+    const int value = -42;
+
+    qi = qint_from_int(value);
+    fail_unless(qi != NULL);
+    fail_unless(qi->value == value);
+    fail_unless(qi->base.refcnt == 1);
+    fail_unless(qobject_type(QOBJECT(qi)) == QTYPE_QINT);
+
+    // destroy doesn't exit yet
+    qemu_free(qi);
+}
+END_TEST
+
+START_TEST(qint_destroy_test)
+{
+    QInt *qi = qint_from_int(0);
+    QDECREF(qi);
+}
+END_TEST
+
+START_TEST(qint_from_int64_test)
+{
+    QInt *qi;
+    const int64_t value = 0xffffffffffffffff;
+
+    qi = qint_from_int(value);
+    fail_unless(qi->value == value);
+
+    QDECREF(qi);
+}
+END_TEST
+
+START_TEST(qint_get_int_test)
+{
+    QInt *qi;
+    const int value = 123456;
+
+    qi = qint_from_int(value);
+    fail_unless(qint_get_int(qi) == value);
+
+    QDECREF(qi);
+}
+END_TEST
+
+START_TEST(qobject_to_qint_test)
+{
+    QInt *qi;
+
+    qi = qint_from_int(0);
+    fail_unless(qobject_to_qint(QOBJECT(qi)) == qi);
+
+    QDECREF(qi);
+}
+END_TEST
+
+static Suite *qint_suite(void)
+{
+    Suite *s;
+    TCase *qint_public_tcase;
+
+    s = suite_create("QInt test-suite");
+
+    qint_public_tcase = tcase_create("Public Interface");
+    suite_add_tcase(s, qint_public_tcase);
+    tcase_add_test(qint_public_tcase, qint_from_int_test);
+    tcase_add_test(qint_public_tcase, qint_destroy_test);
+    tcase_add_test(qint_public_tcase, qint_from_int64_test);
+    tcase_add_test(qint_public_tcase, qint_get_int_test);
+    tcase_add_test(qint_public_tcase, qobject_to_qint_test);
+
+    return s;
+}
+
+int main(void)
+{
+	int nf;
+	Suite *s;
+	SRunner *sr;
+
+	s = qint_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;
+}