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>

Makefile

@@ -181,6 +181,8 @@ qemu-io$(EXESUF):  qemu-io.o qemu-tool.o cmd.o $(block-obj-y)
 qemu-img-cmds.h: $(SRC_PATH)/qemu-img-cmds.hx
 	$(call quiet-command,sh $(SRC_PATH)/hxtool -h < $< > $@,"  GEN   $@")
 
+check-qint: check-qint.o qint.o qemu-malloc.o
+
 clean:
 # avoid old build problems by removing potentially incorrect old files
 	rm -f config.mak config.h op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h

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;
+}

configure

@@ -1927,7 +1927,7 @@ 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="$tools"
+      tools="check-qint $tools"
     fi
   fi
 fi