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xwayland-test: Replace the xwayland-test

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The old xwayland-test hasn't worked in a while...

This new test checks that the wayland specific WL_SURFACE_ID atom exists,
checks that the window manager name is "Weston WM" and then maps a window
and waits for an exposure event.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
Tested-by: Bryce Harrington <bryce@osg.samsung.com>
dev
Derek Foreman 10 years ago committed by Bryce Harrington
parent 9e1aeb86c2
commit 8771a14ff3
2 changed files with 65 additions and 107 deletions
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  1. 2
      configure.ac
  2. 170
      tests/xwayland-test.c

2
configure.ac
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@ -103,7 +103,7 @@ if test x$enable_xwayland = xyes; then
[XSERVER_PATH="$bindir/Xwayland"])
AC_SUBST([XSERVER_PATH])
if test x$enable_xwayland_test = xyes; then
PKG_CHECK_MODULES([XWAYLAND_TEST], xcb xcb-dri2 libdrm)
PKG_CHECK_MODULES([XWAYLAND_TEST], x11)
fi
fi

170
tests/xwayland-test.c
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@ -1,5 +1,5 @@
/*
* Copyright © 2013 Intel Corporation
* Copyright © 2015 Samsung
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
@ -19,125 +19,83 @@
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Tiago Vignatti
* xwayland-test: Confirm that we can map a window and we're running
* under Xwayland, not just X.
*
* xwayland-test: the idea is to guarantee that XWayland infrastructure in
* general works with Weston.
* This is done in steps:
* 1) Confirm that the WL_SURFACE_ID atom exists
* 2) Confirm that the window manager's name is "Weston WM"
* 3) Make sure we can map a window
*/
#include "config.h"
#include <unistd.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <string.h>
#include <xcb/xcb.h>
#include <xcb/dri2.h>
#include <xf86drm.h>
#include "weston-test-runner.h"
static int
dri2_open(xcb_connection_t *c, xcb_screen_t *screen)
{
xcb_dri2_connect_cookie_t cookie;
xcb_dri2_connect_reply_t *reply;
xcb_dri2_authenticate_cookie_t cookie_auth;
xcb_dri2_authenticate_reply_t *reply_auth;
char *driver, *device;
int fd;
drm_magic_t magic;
cookie = xcb_dri2_connect(c, screen->root, XCB_DRI2_DRIVER_TYPE_DRI);
reply = xcb_dri2_connect_reply(c, cookie, 0);
assert(reply);
driver = strndup(xcb_dri2_connect_driver_name (reply),
xcb_dri2_connect_driver_name_length (reply));
device = strndup(xcb_dri2_connect_device_name (reply),
xcb_dri2_connect_device_name_length (reply));
fd = open(device, O_RDWR);
printf ("Trying connect to %s driver on %s\n", driver, device);
free(driver);
free(device);
if (fd < 0)
return -1;
drmGetMagic(fd, &magic);
cookie_auth = xcb_dri2_authenticate(c, screen->root, magic);
reply_auth = xcb_dri2_authenticate_reply(c, cookie_auth, 0);
assert(reply_auth);
return fd;
}
static int
create_window(void)
TEST(xwayland_client_test)
{
xcb_connection_t *c;
xcb_screen_t *screen;
xcb_window_t win;
int fd;
c = xcb_connect (NULL, NULL);
if (c == NULL) {
printf("failed to get X11 connection\n");
return -1;
Display *display;
Window window, root, *support;
XEvent event;
int screen, status, actual_format;
unsigned long nitems, bytes;
Atom atom, type_atom, actual_type;
char *wm_name;
display = XOpenDisplay(NULL);
if (!display)
exit(EXIT_FAILURE);
atom = XInternAtom(display, "WL_SURFACE_ID", True);
assert(atom != None);
atom = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", True);
assert(atom != None);
screen = DefaultScreen(display);
root = RootWindow(display, screen);
status = XGetWindowProperty(display, root, atom, 0L, ~0L,
False, XA_WINDOW, &actual_type,
&actual_format, &nitems, &bytes,
(void *)&support);
assert(status == Success);
atom = XInternAtom(display, "_NET_WM_NAME", True);
assert(atom != None);
type_atom = XInternAtom(display, "UTF8_STRING", True);
assert(atom != None);
status = XGetWindowProperty(display, *support, atom, 0L, BUFSIZ,
False, type_atom, &actual_type,
&actual_format, &nitems, &bytes,
(void *)&wm_name);
assert(status == Success);
assert(nitems);
assert(strcmp("Weston WM", wm_name) == 0);
free(support);
free(wm_name);
window = XCreateSimpleWindow(display, root, 100, 100, 300, 300, 1,
BlackPixel(display, screen),
WhitePixel(display, screen));
XSelectInput(display, window, ExposureMask);
XMapWindow(display, window);
alarm(4);
while (1) {
XNextEvent(display, &event);
if (event.type == Expose)
break;
}
screen = xcb_setup_roots_iterator(xcb_get_setup(c)).data;
win = xcb_generate_id(c);
xcb_create_window(c, XCB_COPY_FROM_PARENT, win, screen->root,
0, 0, 150, 150, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual, 0, NULL);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win,
XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8,
5, "title");
xcb_map_window(c, win);
xcb_flush(c);
fd = dri2_open(c, screen);
if (fd < 0)
return -1;
xcb_destroy_window(c, win);
xcb_disconnect(c);
return 0;
}
/*
* Ideally, the X Window Manager (XWM) and Weston Wayland compositor shouldn't
* be in the same process because they are using two different protocol
* streams in which one does not interface with the other. Probably the
* biggest problem with such architecture are the potentials dead locks that
* it may occur. So hypothetically, an X client might issue an X11 blocking
* request via X (DRI2Authenticate) which in turn sends a Wayland blocking
* request for Weston process it. X is blocked. At the same time, XWM might be
* trying to process an XChangeProperty, so it requests a blocking X11 call to
* the X server (xcb_get_property_reply -> xcb_wait_for_reply) which therefore
* will blocks there. It's a deadlock situation and this test is trying to
* catch that.
*/
static void
check_dri2_authenticate(void)
{
int i, num_tests;
/* TODO: explain why num_tests times */
num_tests = 10;
for (i = 0; i < num_tests; i++)
assert(create_window() == 0);
}
TEST(xwayland_client_test)
{
check_dri2_authenticate();
XCloseDisplay(display);
exit(EXIT_SUCCESS);
}

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