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/*

 * Copyright (c) 2013, 2023, Oracle and/or its affiliates.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 */

#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include "xhiv.h"

#include <X11/Xlib.h>

#include <X11/Xlibint.h>

#include "xhiv-Xrandr.h"

#include <assert.h>

#include <stdio.h>

#include <limits.h>

static void

testOverflowFields(void)

{

    const xQueryExtensionReply overflow_xrandr_qext_reply = {

        .type = X_Reply,

        .length = 0,

        .present = xTrue,

        .major_opcode = MY_XRANDR_EXT_CODE,

        .first_event = 255, /* Only events < 128 are allowed in protocol */

        .first_error = 255

    };

    Display *dpy, *saved_dpy;

    int major = MY_XRANDR_MAJOR_VERSION;

    int minor = MY_XRANDR_MINOR_VERSION;

    int status;

    xrandr_qext_response.response_data = &overflow_xrandr_qext_reply;

    dpy = XhivOpenDisplay(&xrandr_vers_response);

    saved_dpy = calloc(1, sizeof(Display));

    assert(saved_dpy != NULL);

    memcpy(saved_dpy, dpy, sizeof(Display));

    printf("XRRQueryVersion: overflow event id test\n");

    status = XRRQueryVersion(dpy, &major, &minor);

    assert(status != 0);

    /* check that event_vec didn't overflow into wire_vec */

    for (int i = 0 ; i < 127; i++) {

        assert(dpy->wire_vec[i] == saved_dpy->wire_vec[i]);

    }

    /* check that wire_vec didn't overflow into following field */

    assert(dpy->lock_meaning == saved_dpy->lock_meaning);

    XhivCloseDisplay(dpy);

}

int

main(int argc, char **argv)

{

    testOverflowFields();

    printf("XRRQueryVersion: all tests passed\n");

    return 0;

}