src/libsystemd/sd-bus/test-bus-error.c - systemd-stable - Rivoreo Source Code Repositories

 /***
   This file is part of systemd.

   Copyright 2013 Lennart Poettering

   systemd is free software; you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

   systemd 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. See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/

 #include "sd-bus.h"

 #include "bus-common-errors.h"
 #include "bus-error.h"
 #include "bus-util.h"
 #include "errno-list.h"

 static void test_error(void) {
         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL, second = SD_BUS_ERROR_NULL;
         const sd_bus_error const_error = SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FILE_EXISTS, "const error");
         const sd_bus_error temporarily_const_error = {
                 .name = SD_BUS_ERROR_ACCESS_DENIED,
                 .message = "oh! no",
                 ._need_free = -1
         };

         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_set(&error, SD_BUS_ERROR_NOT_SUPPORTED, "xxx") == -EOPNOTSUPP);
         assert_se(streq(error.name, SD_BUS_ERROR_NOT_SUPPORTED));
         assert_se(streq(error.message, "xxx"));
         assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_NOT_SUPPORTED));
         assert_se(sd_bus_error_get_errno(&error) == EOPNOTSUPP);
         assert_se(sd_bus_error_is_set(&error));
         sd_bus_error_free(&error);

         /* Check with no error */
         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_setf(&error, NULL, "yyy %i", -1) == 0);
         assert_se(error.name == NULL);
         assert_se(error.message == NULL);
         assert_se(!sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_get_errno(&error) == 0);
         assert_se(!sd_bus_error_is_set(&error));

         assert_se(sd_bus_error_setf(&error, SD_BUS_ERROR_FILE_NOT_FOUND, "yyy %i", -1) == -ENOENT);
         assert_se(streq(error.name, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(streq(error.message, "yyy -1"));
         assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_get_errno(&error) == ENOENT);
         assert_se(sd_bus_error_is_set(&error));

         assert_se(!sd_bus_error_is_set(&second));
         assert_se(second._need_free == 0);
         assert_se(error._need_free > 0);
         assert_se(sd_bus_error_copy(&second, &error) == -ENOENT);
         assert_se(second._need_free > 0);
         assert_se(streq(error.name, second.name));
         assert_se(streq(error.message, second.message));
         assert_se(sd_bus_error_get_errno(&second) == ENOENT);
         assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_is_set(&second));

         sd_bus_error_free(&error);
         sd_bus_error_free(&second);

         assert_se(!sd_bus_error_is_set(&second));
         assert_se(const_error._need_free == 0);
         assert_se(sd_bus_error_copy(&second, &const_error) == -EEXIST);
         assert_se(second._need_free == 0);
         assert_se(streq(const_error.name, second.name));
         assert_se(streq(const_error.message, second.message));
         assert_se(sd_bus_error_get_errno(&second) == EEXIST);
         assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_FILE_EXISTS));
         assert_se(sd_bus_error_is_set(&second));
         sd_bus_error_free(&second);

         assert_se(!sd_bus_error_is_set(&second));
         assert_se(temporarily_const_error._need_free < 0);
         assert_se(sd_bus_error_copy(&second, &temporarily_const_error) == -EACCES);
         assert_se(second._need_free > 0);
         assert_se(streq(temporarily_const_error.name, second.name));
         assert_se(streq(temporarily_const_error.message, second.message));
         assert_se(sd_bus_error_get_errno(&second) == EACCES);
         assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_ACCESS_DENIED));
         assert_se(sd_bus_error_is_set(&second));

         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_set_const(&error, "System.Error.EUCLEAN", "Hallo") == -EUCLEAN);
         assert_se(streq(error.name, "System.Error.EUCLEAN"));
         assert_se(streq(error.message, "Hallo"));
         assert_se(sd_bus_error_has_name(&error, "System.Error.EUCLEAN"));
         assert_se(sd_bus_error_get_errno(&error) == EUCLEAN);
         assert_se(sd_bus_error_is_set(&error));
         sd_bus_error_free(&error);

         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_set_errno(&error, EBUSY) == -EBUSY);
         assert_se(streq(error.name, "System.Error.EBUSY"));
         assert_se(streq(error.message, strerror(EBUSY)));
         assert_se(sd_bus_error_has_name(&error, "System.Error.EBUSY"));
         assert_se(sd_bus_error_get_errno(&error) == EBUSY);
         assert_se(sd_bus_error_is_set(&error));
         sd_bus_error_free(&error);

         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_set_errnof(&error, EIO, "Waldi %c", 'X') == -EIO);
         assert_se(streq(error.name, SD_BUS_ERROR_IO_ERROR));
         assert_se(streq(error.message, "Waldi X"));
         assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_IO_ERROR));
         assert_se(sd_bus_error_get_errno(&error) == EIO);
         assert_se(sd_bus_error_is_set(&error));
         sd_bus_error_free(&error);

         /* Check with no error */
         assert_se(!sd_bus_error_is_set(&error));
         assert_se(sd_bus_error_set_errnof(&error, 0, "Waldi %c", 'X') == 0);
         assert_se(error.name == NULL);
         assert_se(error.message == NULL);
         assert_se(!sd_bus_error_has_name(&error, SD_BUS_ERROR_IO_ERROR));
         assert_se(sd_bus_error_get_errno(&error) == 0);
         assert_se(!sd_bus_error_is_set(&error));
 }

 extern const sd_bus_error_map __start_BUS_ERROR_MAP[];
 extern const sd_bus_error_map __stop_BUS_ERROR_MAP[];

 static void dump_mapping_table(void) {
         const sd_bus_error_map *m;

         printf("----- errno mappings ------\n");
         m = __start_BUS_ERROR_MAP;
         while (m < __stop_BUS_ERROR_MAP) {

                 if (m->code == BUS_ERROR_MAP_END_MARKER) {
                         m = ALIGN8_PTR(m+1);
                         continue;
                 }

                 printf("%s -> %i/%s\n", strna(m->name), m->code, strna(errno_to_name(m->code)));
                 m++;
         }
         printf("---------------------------\n");
 }

 static void test_errno_mapping_standard(void) {
         assert_se(sd_bus_error_set(NULL, "System.Error.EUCLEAN", NULL) == -EUCLEAN);
         assert_se(sd_bus_error_set(NULL, "System.Error.EBUSY", NULL) == -EBUSY);
         assert_se(sd_bus_error_set(NULL, "System.Error.EINVAL", NULL) == -EINVAL);
         assert_se(sd_bus_error_set(NULL, "System.Error.WHATSIT", NULL) == -EIO);
 }

 BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error", 5),
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-2", 52),
         SD_BUS_ERROR_MAP_END
 };

 BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors2[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-3", 33),
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-4", 44),
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-33", 333),
         SD_BUS_ERROR_MAP_END
 };

 static const sd_bus_error_map test_errors3[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-88", 888),
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-99", 999),
         SD_BUS_ERROR_MAP_END
 };

 static const sd_bus_error_map test_errors4[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-77", 777),
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-78", 778),
         SD_BUS_ERROR_MAP_END
 };

 static const sd_bus_error_map test_errors_bad1[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", 0),
         SD_BUS_ERROR_MAP_END
 };

 static const sd_bus_error_map test_errors_bad2[] = {
         SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", -1),
         SD_BUS_ERROR_MAP_END
 };

 static void test_errno_mapping_custom(void) {
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error", NULL) == -5);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-x", NULL) == -EIO);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-33", NULL) == -333);

         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -EIO);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -EIO);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -EIO);

         assert_se(sd_bus_error_add_map(test_errors3) > 0);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -888);
         assert_se(sd_bus_error_add_map(test_errors4) > 0);
         assert_se(sd_bus_error_add_map(test_errors4) == 0);
         assert_se(sd_bus_error_add_map(test_errors3) == 0);

         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -999);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -777);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-78", NULL) == -778);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
         assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-y", NULL) == -EIO);

         assert_se(sd_bus_error_set(NULL, BUS_ERROR_NO_SUCH_UNIT, NULL) == -ENOENT);

         assert_se(sd_bus_error_add_map(test_errors_bad1) == -EINVAL);
         assert_se(sd_bus_error_add_map(test_errors_bad2) == -EINVAL);
 }

 int main(int argc, char *argv[]) {
         dump_mapping_table();

         test_error();
         test_errno_mapping_standard();
         test_errno_mapping_custom();

         return 0;
 }
	/***
	This file is part of systemd.

	Copyright 2013 Lennart Poettering

	systemd is free software; you can redistribute it and/or modify it
	under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation; either version 2.1 of the License, or
	(at your option) any later version.

	systemd 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. See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	***/

	#include "sd-bus.h"

	#include "bus-common-errors.h"
	#include "bus-error.h"
	#include "bus-util.h"
	#include "errno-list.h"

	static void test_error(void) {
	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL, second = SD_BUS_ERROR_NULL;
	const sd_bus_error const_error = SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FILE_EXISTS, "const error");
	const sd_bus_error temporarily_const_error = {
	.name = SD_BUS_ERROR_ACCESS_DENIED,
	.message = "oh! no",
	._need_free = -1
	};

	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_set(&error, SD_BUS_ERROR_NOT_SUPPORTED, "xxx") == -EOPNOTSUPP);
	assert_se(streq(error.name, SD_BUS_ERROR_NOT_SUPPORTED));
	assert_se(streq(error.message, "xxx"));
	assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_NOT_SUPPORTED));
	assert_se(sd_bus_error_get_errno(&error) == EOPNOTSUPP);
	assert_se(sd_bus_error_is_set(&error));
	sd_bus_error_free(&error);

	/* Check with no error */
	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_setf(&error, NULL, "yyy %i", -1) == 0);
	assert_se(error.name == NULL);
	assert_se(error.message == NULL);
	assert_se(!sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
	assert_se(sd_bus_error_get_errno(&error) == 0);
	assert_se(!sd_bus_error_is_set(&error));

	assert_se(sd_bus_error_setf(&error, SD_BUS_ERROR_FILE_NOT_FOUND, "yyy %i", -1) == -ENOENT);
	assert_se(streq(error.name, SD_BUS_ERROR_FILE_NOT_FOUND));
	assert_se(streq(error.message, "yyy -1"));
	assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
	assert_se(sd_bus_error_get_errno(&error) == ENOENT);
	assert_se(sd_bus_error_is_set(&error));

	assert_se(!sd_bus_error_is_set(&second));
	assert_se(second._need_free == 0);
	assert_se(error._need_free > 0);
	assert_se(sd_bus_error_copy(&second, &error) == -ENOENT);
	assert_se(second._need_free > 0);
	assert_se(streq(error.name, second.name));
	assert_se(streq(error.message, second.message));
	assert_se(sd_bus_error_get_errno(&second) == ENOENT);
	assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_FILE_NOT_FOUND));
	assert_se(sd_bus_error_is_set(&second));

	sd_bus_error_free(&error);
	sd_bus_error_free(&second);

	assert_se(!sd_bus_error_is_set(&second));
	assert_se(const_error._need_free == 0);
	assert_se(sd_bus_error_copy(&second, &const_error) == -EEXIST);
	assert_se(second._need_free == 0);
	assert_se(streq(const_error.name, second.name));
	assert_se(streq(const_error.message, second.message));
	assert_se(sd_bus_error_get_errno(&second) == EEXIST);
	assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_FILE_EXISTS));
	assert_se(sd_bus_error_is_set(&second));
	sd_bus_error_free(&second);

	assert_se(!sd_bus_error_is_set(&second));
	assert_se(temporarily_const_error._need_free < 0);
	assert_se(sd_bus_error_copy(&second, &temporarily_const_error) == -EACCES);
	assert_se(second._need_free > 0);
	assert_se(streq(temporarily_const_error.name, second.name));
	assert_se(streq(temporarily_const_error.message, second.message));
	assert_se(sd_bus_error_get_errno(&second) == EACCES);
	assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_ACCESS_DENIED));
	assert_se(sd_bus_error_is_set(&second));

	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_set_const(&error, "System.Error.EUCLEAN", "Hallo") == -EUCLEAN);
	assert_se(streq(error.name, "System.Error.EUCLEAN"));
	assert_se(streq(error.message, "Hallo"));
	assert_se(sd_bus_error_has_name(&error, "System.Error.EUCLEAN"));
	assert_se(sd_bus_error_get_errno(&error) == EUCLEAN);
	assert_se(sd_bus_error_is_set(&error));
	sd_bus_error_free(&error);

	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_set_errno(&error, EBUSY) == -EBUSY);
	assert_se(streq(error.name, "System.Error.EBUSY"));
	assert_se(streq(error.message, strerror(EBUSY)));
	assert_se(sd_bus_error_has_name(&error, "System.Error.EBUSY"));
	assert_se(sd_bus_error_get_errno(&error) == EBUSY);
	assert_se(sd_bus_error_is_set(&error));
	sd_bus_error_free(&error);

	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_set_errnof(&error, EIO, "Waldi %c", 'X') == -EIO);
	assert_se(streq(error.name, SD_BUS_ERROR_IO_ERROR));
	assert_se(streq(error.message, "Waldi X"));
	assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_IO_ERROR));
	assert_se(sd_bus_error_get_errno(&error) == EIO);
	assert_se(sd_bus_error_is_set(&error));
	sd_bus_error_free(&error);

	/* Check with no error */
	assert_se(!sd_bus_error_is_set(&error));
	assert_se(sd_bus_error_set_errnof(&error, 0, "Waldi %c", 'X') == 0);
	assert_se(error.name == NULL);
	assert_se(error.message == NULL);
	assert_se(!sd_bus_error_has_name(&error, SD_BUS_ERROR_IO_ERROR));
	assert_se(sd_bus_error_get_errno(&error) == 0);
	assert_se(!sd_bus_error_is_set(&error));
	}

	extern const sd_bus_error_map __start_BUS_ERROR_MAP[];
	extern const sd_bus_error_map __stop_BUS_ERROR_MAP[];

	static void dump_mapping_table(void) {
	const sd_bus_error_map *m;

	printf("----- errno mappings ------\n");
	m = __start_BUS_ERROR_MAP;
	while (m < __stop_BUS_ERROR_MAP) {

	if (m->code == BUS_ERROR_MAP_END_MARKER) {
	m = ALIGN8_PTR(m+1);
	continue;
	}

	printf("%s -> %i/%s\n", strna(m->name), m->code, strna(errno_to_name(m->code)));
	m++;
	}
	printf("---------------------------\n");
	}

	static void test_errno_mapping_standard(void) {
	assert_se(sd_bus_error_set(NULL, "System.Error.EUCLEAN", NULL) == -EUCLEAN);
	assert_se(sd_bus_error_set(NULL, "System.Error.EBUSY", NULL) == -EBUSY);
	assert_se(sd_bus_error_set(NULL, "System.Error.EINVAL", NULL) == -EINVAL);
	assert_se(sd_bus_error_set(NULL, "System.Error.WHATSIT", NULL) == -EIO);
	}

	BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error", 5),
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-2", 52),
	SD_BUS_ERROR_MAP_END
	};

	BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors2[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-3", 33),
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-4", 44),
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-33", 333),
	SD_BUS_ERROR_MAP_END
	};

	static const sd_bus_error_map test_errors3[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-88", 888),
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-99", 999),
	SD_BUS_ERROR_MAP_END
	};

	static const sd_bus_error_map test_errors4[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-77", 777),
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-78", 778),
	SD_BUS_ERROR_MAP_END
	};

	static const sd_bus_error_map test_errors_bad1[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", 0),
	SD_BUS_ERROR_MAP_END
	};

	static const sd_bus_error_map test_errors_bad2[] = {
	SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", -1),
	SD_BUS_ERROR_MAP_END
	};

	static void test_errno_mapping_custom(void) {
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error", NULL) == -5);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-x", NULL) == -EIO);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-33", NULL) == -333);

	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -EIO);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -EIO);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -EIO);

	assert_se(sd_bus_error_add_map(test_errors3) > 0);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -888);
	assert_se(sd_bus_error_add_map(test_errors4) > 0);
	assert_se(sd_bus_error_add_map(test_errors4) == 0);
	assert_se(sd_bus_error_add_map(test_errors3) == 0);

	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -999);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -777);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-78", NULL) == -778);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
	assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-y", NULL) == -EIO);

	assert_se(sd_bus_error_set(NULL, BUS_ERROR_NO_SUCH_UNIT, NULL) == -ENOENT);

	assert_se(sd_bus_error_add_map(test_errors_bad1) == -EINVAL);
	assert_se(sd_bus_error_add_map(test_errors_bad2) == -EINVAL);
	}

	int main(int argc, char *argv[]) {
	dump_mapping_table();

	test_error();
	test_errno_mapping_standard();
	test_errno_mapping_custom();

	return 0;
	}