cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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check-qnull.c (1891B)

      1/*
      2 * QNull unit-tests.
      3 *
      4 * Copyright (C) 2016 Red Hat Inc.
      5 *
      6 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
      7 * See the COPYING.LIB file in the top-level directory.
      8 */
      9#include "qemu/osdep.h"
     10
     11#include "qapi/qmp/qnull.h"
     12#include "qemu-common.h"
     13#include "qapi/qobject-input-visitor.h"
     14#include "qapi/qobject-output-visitor.h"
     15#include "qapi/error.h"
     16
     17/*
     18 * Public Interface test-cases
     19 *
     20 * (with some violations to access 'private' data)
     21 */
     22
     23static void qnull_ref_test(void)
     24{
     25    QObject *obj;
     26
     27    g_assert(qnull_.base.refcnt == 1);
     28    obj = QOBJECT(qnull());
     29    g_assert(obj);
     30    g_assert(obj == QOBJECT(&qnull_));
     31    g_assert(qnull_.base.refcnt == 2);
     32    g_assert(qobject_type(obj) == QTYPE_QNULL);
     33    qobject_unref(obj);
     34    g_assert(qnull_.base.refcnt == 1);
     35}
     36
     37static void qnull_visit_test(void)
     38{
     39    QObject *obj;
     40    Visitor *v;
     41    QNull *null;
     42
     43    /*
     44     * Most tests of interactions between QObject and visitors are in
     45     * test-qmp-*-visitor; but these tests live here because they
     46     * depend on layering violations to check qnull_ refcnt.
     47     */
     48
     49    g_assert(qnull_.base.refcnt == 1);
     50    obj = QOBJECT(qnull());
     51    v = qobject_input_visitor_new(obj);
     52    qobject_unref(obj);
     53    visit_type_null(v, NULL, &null, &error_abort);
     54    g_assert(obj == QOBJECT(&qnull_));
     55    qobject_unref(null);
     56    visit_free(v);
     57
     58    null = NULL;
     59    v = qobject_output_visitor_new(&obj);
     60    visit_type_null(v, NULL, &null, &error_abort);
     61    visit_complete(v, &obj);
     62    g_assert(obj == QOBJECT(&qnull_));
     63    qobject_unref(null);
     64    qobject_unref(obj);
     65    visit_free(v);
     66
     67    g_assert(qnull_.base.refcnt == 1);
     68}
     69
     70int main(int argc, char **argv)
     71{
     72    g_test_init(&argc, &argv, NULL);
     73
     74    g_test_add_func("/public/qnull_ref", qnull_ref_test);
     75    g_test_add_func("/public/qnull_visit", qnull_visit_test);
     76
     77    return g_test_run();
     78}