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https://github.com/brl/mutter.git
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tests: Check that X11 selections handle Xwayland disappearing
It works by using an X11 client to set the clipboard content, using a mimetype that on purpose is not handled by the clipboard manager. The test then makes sure we don't crash when trying to transfer data from the old X11 selection source. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2364>
This commit is contained in:
Jonas Ådahl
Marge Bot
parent
7e8bddccb5
commit
e939d5b89a
@ -295,6 +295,13 @@ if have_native_tests
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wayland_test_utils,
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],
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},
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{
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'name': 'xwayland',
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'suite': 'wayland',
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'sources': [
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'xwayland-tests.c',
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],
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},
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]
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foreach test_case: test_cases
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190
src/tests/xwayland-tests.c
Normal file
190
src/tests/xwayland-tests.c
Normal file
@ -0,0 +1,190 @@
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/*
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* Copyright (C) 2022 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include "meta/meta-selection.h"
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#include "meta-test/meta-context-test.h"
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#include "tests/meta-test-utils.h"
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#include "wayland/meta-wayland.h"
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#include "wayland/meta-xwayland.h"
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#include "x11/meta-x11-display-private.h"
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static MetaContext *test_context;
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static void
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test_client_do_check (MetaTestClient *test_client,
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...)
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{
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g_autoptr (GError) error = NULL;
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va_list vap;
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gboolean retval;
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va_start (vap, test_client);
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retval = meta_test_client_dov (test_client, &error, vap);
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va_end (vap);
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if (!retval)
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g_error ("Failed to process test client command: %s", error->message);
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}
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static void
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test_client_wait_check (MetaTestClient *test_client)
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{
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g_autoptr (GError) error = NULL;
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if (!meta_test_client_wait (test_client, &error))
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g_error ("Failed to wait for test client: %s", error->message);
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}
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static void
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transfer_ready_cb (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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GMainLoop *loop = user_data;
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g_autoptr (GError) error = NULL;
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if (!meta_selection_transfer_finish (META_SELECTION (source_object), res,
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&error))
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g_warning ("Failed to transfer: %s", error->message);
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g_main_loop_quit (loop);
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}
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static gboolean
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tests_alarm_filter (MetaX11Display *x11_display,
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XSyncAlarmNotifyEvent *event,
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gpointer user_data)
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{
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MetaTestClient *test_client = user_data;
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return meta_test_client_process_x11_event (test_client,
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x11_display, event);
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}
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static void
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ensure_xwayland (MetaContext *context)
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{
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MetaDisplay *display = meta_context_get_display (test_context);
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if (meta_display_get_x11_display (display))
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return;
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while (!meta_display_get_x11_display (display))
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g_main_context_iteration (NULL, TRUE);
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}
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static void
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meta_test_xwayland_restart_selection (void)
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{
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MetaWaylandCompositor *wayland_compositor =
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meta_context_get_wayland_compositor (test_context);
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MetaXWaylandManager *xwayland_manager =
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meta_wayland_compositor_get_xwayland_manager (wayland_compositor);
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MetaDisplay *display = meta_context_get_display (test_context);
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MetaSelection *selection = meta_display_get_selection (display);
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MetaX11Display *x11_display;
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MetaTestClient *test_client;
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static int client_count = 0;
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g_autofree char *client_name = NULL;
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g_autoptr (GError) error = NULL;
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g_autoptr (GMainLoop) loop = NULL;
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g_autoptr (GOutputStream) output = NULL;
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const char *window_name = "clipboard-window";
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client_name = g_strdup_printf ("test_client_%d", client_count++);
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test_client = meta_test_client_new (test_context,
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client_name, META_WINDOW_CLIENT_TYPE_X11,
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&error);
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if (!test_client)
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g_error ("Failed to launch test client: %s", error->message);
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ensure_xwayland (test_context);
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x11_display = meta_display_get_x11_display (display);
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meta_x11_display_set_alarm_filter (x11_display,
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tests_alarm_filter,
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test_client);
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test_client_do_check (test_client,
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"create", window_name,
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NULL);
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test_client_do_check (test_client,
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"clipboard-set", "application/mutter-test", "hello",
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NULL);
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test_client_wait_check (test_client);
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g_test_expect_message ("libmutter", G_LOG_LEVEL_WARNING,
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"*Connection to xwayland lost*");
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g_test_expect_message ("libmutter", G_LOG_LEVEL_WARNING,
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"X Wayland crashed*; attempting to recover");
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if (!meta_xwayland_signal (xwayland_manager, SIGKILL, &error))
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g_error ("Failed to signal SIGSEGV to Xwayland");
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while (meta_display_get_x11_display (display))
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g_main_context_iteration (NULL, TRUE);
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g_test_assert_expected_messages ();
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loop = g_main_loop_new (NULL, FALSE);
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output = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
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g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
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"*Tried to transfer from NULL selection source");
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meta_selection_transfer_async (selection,
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META_SELECTION_CLIPBOARD,
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"text/plain",
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-1,
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output,
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NULL,
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transfer_ready_cb,
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loop);
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g_main_loop_run (loop);
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g_test_assert_expected_messages ();
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meta_test_client_destroy (test_client);
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}
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static void
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init_tests (void)
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{
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g_test_add_func ("/backends/xwayland/restart/selection",
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meta_test_xwayland_restart_selection);
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}
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int
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main (int argc,
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char **argv)
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{
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g_autoptr (MetaContext) context = NULL;
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g_autoptr (GError) error = NULL;
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context = test_context =
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meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
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META_CONTEXT_TEST_FLAG_TEST_CLIENT);
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g_assert (meta_context_configure (context, &argc, &argv, NULL));
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init_tests ();
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return meta_context_test_run_tests (META_CONTEXT_TEST (context),
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META_TEST_RUN_FLAG_NONE);
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}
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