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test/test-utils.c: Add command line option --help to test applications

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This commit is contained in:
Ralf Habacker 2021-12-10 10:17:18 +01:00
parent 6ba6f5e870
commit 3432cd938d
1 changed files with 23 additions and 2 deletions
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25
test/test-utils.c
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@ -647,6 +647,18 @@ _dbus_check_fdleaks_leave (DBusInitialFDs *fds,
#endif
}
static void
_dbus_test_help_page (const char *appname)
{
fprintf(stdout, "%s [<options>] [<test-data-dir>] [<specific-test>]\n", appname);
fprintf(stdout, "Options:\n");
fprintf(stdout, " --help this page\n");
fprintf(stdout, " --tap expect test data dir to be set by environment variable DBUS_TEST_DATA\n");
fprintf(stdout, "Environment variables:\n");
fprintf(stdout, " DBUS_TEST_ONLY=<specific-test> set specific test to run\n");
fprintf(stdout, " DBUS_TEST_DATA=<test-data-dir> set test data dir (required when using --tap)\n");
}
/*
* _dbus_test_main:
* @argc: number of command-line arguments
@ -684,6 +696,12 @@ _dbus_test_main (int argc,
setlocale(LC_ALL, "");
#endif
if (argc > 1 && strcmp (argv[1], "--help") == 0)
{
_dbus_test_help_page (argv[0]);
exit(0);
}
/* We can't assume that strings from _dbus_getenv() will remain valid
* forever, because some tests call setenv(), which is allowed to
* reallocate the entire environment block, and in Wine it seems that it
@ -701,8 +719,11 @@ _dbus_test_main (int argc,
if (test_data_dir != NULL)
_dbus_test_diag ("Test data in %s", test_data_dir);
else if (flags & DBUS_TEST_FLAGS_REQUIRE_DATA)
_dbus_test_fatal ("Must specify test data directory as argv[1] or "
"in DBUS_TEST_DATA environment variable");
{
_dbus_test_help_page (argv[0]);
_dbus_test_fatal ("Must specify test data directory as argv[1] or "
"in DBUS_TEST_DATA environment variable");
}
else
_dbus_test_diag ("No test data!");