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/* Unit test for VEH on Windows
* Copyright (C) 2019 Руслан Ижбулатов
*
* SPDX-License-Identifier: LicenseRef-old-glib-tests
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include "config.h"
#include <glib.h>
#include <gprintf.h>
#include <stdio.h>
#include <windows.h>
static char *argv0 = NULL;
#include "../gwin32-private.c"
static void
test_subst_pid_and_event (void)
{
const wchar_t not_enough[] = L"too long when %e and %p are substituted";
wchar_t debugger_3[3];
wchar_t debugger_not_enough[G_N_ELEMENTS (not_enough)];
wchar_t debugger_enough[G_N_ELEMENTS (not_enough) + 1];
char *debugger_enough_utf8;
wchar_t debugger_big[65535] = {0};
char *debugger_big_utf8;
gchar *output;
guintptr be = (guintptr) 0xFFFFFFFF;
DWORD bp = G_MAXSIZE;
/* %f is not valid */
g_assert_false (_g_win32_subst_pid_and_event_w (debugger_3, G_N_ELEMENTS (debugger_3),
L"%f", 0, 0));
g_assert_false (_g_win32_subst_pid_and_event_w (debugger_3, G_N_ELEMENTS (debugger_3),
L"string longer than 10", 0, 0));
/* 200 is longer than %e, so the string doesn't fit by 1 byte */
g_assert_false (_g_win32_subst_pid_and_event_w (debugger_not_enough, G_N_ELEMENTS (debugger_not_enough),
not_enough, 10, 200));
/* This should fit */
g_assert_true (_g_win32_subst_pid_and_event_w (debugger_enough, G_N_ELEMENTS (debugger_enough),
not_enough, 10, 200));
debugger_enough_utf8 = g_utf16_to_utf8 (debugger_enough, -1, NULL, NULL, NULL);
g_assert_cmpstr (debugger_enough_utf8, ==, "too long when 200 and 10 are substituted");
g_free (debugger_enough_utf8);
g_assert_true (_g_win32_subst_pid_and_event_w (debugger_big, G_N_ELEMENTS (debugger_big),
L"multipl%e big %e %entries and %pids are %provided here", bp, be));
debugger_big_utf8 = g_utf16_to_utf8 (debugger_big, -1, NULL, NULL, NULL);
output = g_strdup_printf ("multipl%llu big %llu %lluntries and %luids are %lurovided here", (guint64) be, (guint64) be, (guint64) be, bp, bp);
g_assert_cmpstr (debugger_big_utf8, ==, output);
g_free (debugger_big_utf8);
g_free (output);
}
/* Crash with access violation */
static void
test_access_violation (void)
{
int *integer = NULL;
/* Use SEM_NOGPFAULTERRORBOX to prevent an error dialog
* from being shown.
*/
DWORD dwMode = SetErrorMode (SEM_NOGPFAULTERRORBOX);
SetErrorMode (dwMode | SEM_NOGPFAULTERRORBOX);
*integer = 1;
SetErrorMode (dwMode);
}
/* Crash with illegal instruction */
static void
test_illegal_instruction (void)
{
DWORD dwMode = SetErrorMode (SEM_NOGPFAULTERRORBOX);
SetErrorMode (dwMode | SEM_NOGPFAULTERRORBOX);
RaiseException (EXCEPTION_ILLEGAL_INSTRUCTION, 0, 0, NULL);
SetErrorMode (dwMode);
}
static void
test_veh_crash_access_violation (void)
{
g_unsetenv ("G_DEBUGGER");
/* Run a test that crashes */
g_test_trap_subprocess ("/win32/subprocess/access_violation", 0,
G_TEST_SUBPROCESS_DEFAULT);
g_test_trap_assert_failed ();
}
static void
test_veh_crash_illegal_instruction (void)
{
g_unsetenv ("G_DEBUGGER");
/* Run a test that crashes */
g_test_trap_subprocess ("/win32/subprocess/illegal_instruction", 0,
G_TEST_SUBPROCESS_DEFAULT);
g_test_trap_assert_failed ();
}
static void
test_veh_debug (void)
{
/* Set up a debugger to be run on crash */
gchar *command = g_strdup_printf ("%s %s", argv0, "%p %e");
g_setenv ("G_DEBUGGER", command, TRUE);
/* Because the "debugger" here is not really a debugger,
* it can't write into stderr of this process, unless
* we allow it to inherit our stderr.
*/
g_setenv ("G_DEBUGGER_OLD_CONSOLE", "1", TRUE);
g_free (command);
/* Run a test that crashes and runs a debugger */
g_test_trap_subprocess ("/win32/subprocess/debuggee", 0,
G_TEST_SUBPROCESS_DEFAULT);
g_test_trap_assert_failed ();
g_test_trap_assert_stderr ("Debugger invoked, attaching to*");
}
static void
test_veh_debuggee (void)
{
/* Crash */
test_access_violation ();
}
static void
veh_debugger (int argc, char *argv[])
{
char *end;
DWORD pid = strtoul (argv[1], &end, 10);
guintptr event = (guintptr) _strtoui64 (argv[2], &end, 10);
/* Unfreeze the debuggee and announce ourselves */
SetEvent ((HANDLE) event);
CloseHandle ((HANDLE) event);
g_fprintf (stderr, "Debugger invoked, attaching to %lu and signalling %" G_GUINTPTR_FORMAT, pid, event);
}
int
main (int argc,
char *argv[])
{
argv0 = argv[0];
g_test_init (&argc, &argv, NULL);
if (argc > 2)
{
veh_debugger (argc, argv);
return 0;
}
g_test_add_func ("/win32/substitute-pid-and-event", test_subst_pid_and_event);
g_test_add_func ("/win32/veh/access_violation", test_veh_crash_access_violation);
g_test_add_func ("/win32/veh/illegal_instruction", test_veh_crash_illegal_instruction);
g_test_add_func ("/win32/veh/debug", test_veh_debug);
g_test_add_func ("/win32/subprocess/debuggee", test_veh_debuggee);
g_test_add_func ("/win32/subprocess/access_violation", test_access_violation);
g_test_add_func ("/win32/subprocess/illegal_instruction", test_illegal_instruction);
return g_test_run();
}
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