src/test/test-conf-parser.c - systemd-stable - Rivoreo Source Code Repositories

 /* SPDX-License-Identifier: LGPL-2.1+ */

 #include "conf-parser.h"
 #include "fd-util.h"
 #include "fs-util.h"
 #include "log.h"
 #include "macro.h"
 #include "string-util.h"
 #include "strv.h"
 #include "tmpfile-util.h"
 #include "util.h"

 static void test_config_parse_path_one(const char *rvalue, const char *expected) {
         _cleanup_free_ char *path = NULL;

         assert_se(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL) >= 0);
         assert_se(streq_ptr(expected, path));
 }

 static void test_config_parse_log_level_one(const char *rvalue, int expected) {
         int log_level = 0;

         assert_se(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL) >= 0);
         assert_se(expected == log_level);
 }

 static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
         int log_facility = 0;

         assert_se(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL) >= 0);
         assert_se(expected == log_facility);
 }

 static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
         size_t iec_size = 0;

         assert_se(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL) >= 0);
         assert_se(expected == iec_size);
 }

 static void test_config_parse_si_size_one(const char *rvalue, size_t expected) {
         size_t si_size = 0;

         assert_se(config_parse_si_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_size, NULL) >= 0);
         assert_se(expected == si_size);
 }

 static void test_config_parse_int_one(const char *rvalue, int expected) {
         int v = -1;

         assert_se(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
         assert_se(expected == v);
 }

 static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
         unsigned v = 0;

         assert_se(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
         assert_se(expected == v);
 }

 static void test_config_parse_strv_one(const char *rvalue, char **expected) {
         _cleanup_strv_free_ char **strv = NULL;

         assert_se(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &strv, NULL) >= 0);
         assert_se(strv_equal(expected, strv));
 }

 static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
         mode_t v = 0;

         assert_se(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
         assert_se(expected == v);
 }

 static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
         usec_t v = 0;

         assert_se(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
         assert_se(expected == v);
 }

 static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
         nsec_t v = 0;

         assert_se(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
         assert_se(expected == v);
 }

 static void test_config_parse_path(void) {
         test_config_parse_path_one("/path", "/path");
         test_config_parse_path_one("/path//////////", "/path");
         test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
         test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
         test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");

         test_config_parse_path_one("not_absolute/path", NULL);
         test_config_parse_path_one("/path/\xc3\x7f", NULL);
 }

 static void test_config_parse_log_level(void) {
         test_config_parse_log_level_one("debug", LOG_DEBUG);
         test_config_parse_log_level_one("info", LOG_INFO);

         test_config_parse_log_level_one("garbage", 0);
 }

 static void test_config_parse_log_facility(void) {
         test_config_parse_log_facility_one("mail", LOG_MAIL);
         test_config_parse_log_facility_one("user", LOG_USER);

         test_config_parse_log_facility_one("garbage", 0);
 }

 static void test_config_parse_iec_size(void) {
         test_config_parse_iec_size_one("1024", 1024);
         test_config_parse_iec_size_one("2K", 2048);
         test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
         test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
         test_config_parse_iec_size_one("0G", 0);
         test_config_parse_iec_size_one("0", 0);

         test_config_parse_iec_size_one("-982", 0);
         test_config_parse_iec_size_one("49874444198739873000000G", 0);
         test_config_parse_iec_size_one("garbage", 0);
 }

 static void test_config_parse_si_size(void) {
         test_config_parse_si_size_one("1024", 1024);
         test_config_parse_si_size_one("2K", 2000);
         test_config_parse_si_size_one("10M", 10 * 1000 * 1000);
         test_config_parse_si_size_one("1G", 1 * 1000 * 1000 * 1000);
         test_config_parse_si_size_one("0G", 0);
         test_config_parse_si_size_one("0", 0);

         test_config_parse_si_size_one("-982", 0);
         test_config_parse_si_size_one("49874444198739873000000G", 0);
         test_config_parse_si_size_one("garbage", 0);
 }

 static void test_config_parse_int(void) {
         test_config_parse_int_one("1024", 1024);
         test_config_parse_int_one("-1024", -1024);
         test_config_parse_int_one("0", 0);

         test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
         test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
         test_config_parse_int_one("1G", -1);
         test_config_parse_int_one("garbage", -1);
 }

 static void test_config_parse_unsigned(void) {
         test_config_parse_unsigned_one("10241024", 10241024);
         test_config_parse_unsigned_one("1024", 1024);
         test_config_parse_unsigned_one("0", 0);

         test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
         test_config_parse_unsigned_one("1G", 0);
         test_config_parse_unsigned_one("garbage", 0);
         test_config_parse_unsigned_one("1000garbage", 0);
 }

 static void test_config_parse_strv(void) {
         test_config_parse_strv_one("", STRV_MAKE_EMPTY);
         test_config_parse_strv_one("foo", STRV_MAKE("foo"));
         test_config_parse_strv_one("foo bar foo", STRV_MAKE("foo", "bar", "foo"));
         test_config_parse_strv_one("\"foo bar\" foo", STRV_MAKE("foo bar", "foo"));
         test_config_parse_strv_one("\xc3\x80", STRV_MAKE("\xc3\x80"));
         test_config_parse_strv_one("\xc3\x7f", STRV_MAKE("\xc3\x7f"));
 }

 static void test_config_parse_mode(void) {
         test_config_parse_mode_one("777", 0777);
         test_config_parse_mode_one("644", 0644);

         test_config_parse_mode_one("-777", 0);
         test_config_parse_mode_one("999", 0);
         test_config_parse_mode_one("garbage", 0);
         test_config_parse_mode_one("777garbage", 0);
         test_config_parse_mode_one("777 garbage", 0);
 }

 static void test_config_parse_sec(void) {
         test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
         test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
         test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
         test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);

         test_config_parse_sec_one("-1", 0);
         test_config_parse_sec_one("10foo", 0);
         test_config_parse_sec_one("garbage", 0);
 }

 static void test_config_parse_nsec(void) {
         test_config_parse_nsec_one("1", 1);
         test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
         test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
         test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);

         test_config_parse_nsec_one("-1", 0);
         test_config_parse_nsec_one("10foo", 0);
         test_config_parse_nsec_one("garbage", 0);
 }

 static void test_config_parse_iec_uint64(void) {
         uint64_t offset = 0;
         assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
         assert_se(offset == 4 * 1024 * 1024);

         assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
 }

 #define x10(x) x x x x x x x x x x
 #define x100(x) x10(x10(x))
 #define x1000(x) x10(x100(x))

 static const char* const config_file[] = {
         "[Section]\n"
         "setting1=1\n",

         "[Section]\n"
         "setting1=1",        /* no terminating newline */

         "\n\n\n\n[Section]\n\n\n"
         "setting1=1",        /* some whitespace, no terminating newline */

         "[Section]\n"
         "[Section]\n"
         "setting1=1\n"
         "setting1=2\n"
         "setting1=1\n",      /* repeated settings */

         "[Section]\n"
         "setting1=1\\\n"     /* normal continuation */
         "2\\\n"
         "3\n",

         "[Section]\n"
         "#hogehoge\\\n"      /* continuation is ignored in comment */
         "setting1=1\\\n"     /* normal continuation */
         "2\\\n"
         "3\n",

         "[Section]\n"
         "setting1=1\\\n"     /* normal continuation */
         "#hogehoge\\\n"      /* commented out line in continuation is ignored */
         "2\\\n"
         "3\n",

         "[Section]\n"
         "   #hogehoge\\\n"   /* whitespaces before comments */
         "   setting1=1\\\n"  /* whitespaces before key */
         "2\\\n"
         "3\n",

         "[Section]\n"
         "   setting1=1\\\n"  /* whitespaces before key */
         "   #hogehoge\\\n"   /* commented out line prefixed with whitespaces in continuation */
         "2\\\n"
         "3\n",

         "[Section]\n"
         "setting1=1\\\n"     /* continuation with extra trailing backslash at the end */
         "2\\\n"
         "3\\\n",

         "[Section]\n"
         "setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
         "\\\\2\n",           /* note that C requires one level of escaping, so the
                               * parser gets "…1 BS BS BS NL BS BS 2 NL", which
                               * it translates into "…1 BS BS SP BS BS 2" */

         "\n[Section]\n\n"
         "setting1="          /* a line above LINE_MAX length */
         x1000("ABCD")
         "\n",

         "[Section]\n"
         "setting1="          /* a line above LINE_MAX length, with continuation */
         x1000("ABCD") "\\\n"
         "foobar",

         "[Section]\n"
         "setting1="          /* a line above LINE_MAX length, with continuation */
         x1000("ABCD") "\\\n" /* and an extra trailing backslash */
         "foobar\\\n",

         "[Section]\n"
         "setting1="          /* a line above the allowed limit: 9 + 1050000 + 1 */
         x1000(x1000("x") x10("abcde")) "\n",

         "[Section]\n"
         "setting1="          /* many continuation lines, together above the limit */
         x1000(x1000("x") x10("abcde") "\\\n") "xxx",
 };

 static void test_config_parse(unsigned i, const char *s) {
         _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
         _cleanup_fclose_ FILE *f = NULL;
         _cleanup_free_ char *setting1 = NULL;
         int r;

         const ConfigTableItem items[] = {
                 { "Section", "setting1",  config_parse_string,   0, &setting1},
                 {}
         };

         log_info("== %s[%i] ==", __func__, i);

         assert_se(fmkostemp_safe(name, "r+", &f) == 0);
         assert_se(fwrite(s, strlen(s), 1, f) == 1);
         rewind(f);

         /*
         int config_parse(const char *unit,
                          const char *filename,
                          FILE *f,
                          const char *sections,
                          ConfigItemLookup lookup,
                          const void *table,
                          bool relaxed,
                          bool allow_include,
                          bool warn,
                          void *userdata)
         */

         r = config_parse(NULL, name, f,
                          "Section\0",
                          config_item_table_lookup, items,
                          CONFIG_PARSE_WARN, NULL);

         switch (i) {
         case 0 ... 3:
                 assert_se(r == 0);
                 assert_se(streq(setting1, "1"));
                 break;

         case 4 ... 9:
                 assert_se(r == 0);
                 assert_se(streq(setting1, "1 2 3"));
                 break;

         case 10:
                 assert_se(r == 0);
                 assert_se(streq(setting1, "1\\\\ \\\\2"));
                 break;

         case 11:
                 assert_se(r == 0);
                 assert_se(streq(setting1, x1000("ABCD")));
                 break;

         case 12 ... 13:
                 assert_se(r == 0);
                 assert_se(streq(setting1, x1000("ABCD") " foobar"));
                 break;

         case 14 ... 15:
                 assert_se(r == -ENOBUFS);
                 assert_se(setting1 == NULL);
                 break;
         }
 }

 int main(int argc, char **argv) {
         unsigned i;

         log_parse_environment();
         log_open();

         test_config_parse_path();
         test_config_parse_log_level();
         test_config_parse_log_facility();
         test_config_parse_iec_size();
         test_config_parse_si_size();
         test_config_parse_int();
         test_config_parse_unsigned();
         test_config_parse_strv();
         test_config_parse_mode();
         test_config_parse_sec();
         test_config_parse_nsec();
         test_config_parse_iec_uint64();

         for (i = 0; i < ELEMENTSOF(config_file); i++)
                 test_config_parse(i, config_file[i]);

         return 0;
 }
	/* SPDX-License-Identifier: LGPL-2.1+ */

	#include "conf-parser.h"
	#include "fd-util.h"
	#include "fs-util.h"
	#include "log.h"
	#include "macro.h"
	#include "string-util.h"
	#include "strv.h"
	#include "tmpfile-util.h"
	#include "util.h"

	static void test_config_parse_path_one(const char rvalue, const char expected) {
	_cleanup_free_ char *path = NULL;

	assert_se(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL) >= 0);
	assert_se(streq_ptr(expected, path));
	}

	static void test_config_parse_log_level_one(const char *rvalue, int expected) {
	int log_level = 0;

	assert_se(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL) >= 0);
	assert_se(expected == log_level);
	}

	static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
	int log_facility = 0;

	assert_se(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL) >= 0);
	assert_se(expected == log_facility);
	}

	static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
	size_t iec_size = 0;

	assert_se(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL) >= 0);
	assert_se(expected == iec_size);
	}

	static void test_config_parse_si_size_one(const char *rvalue, size_t expected) {
	size_t si_size = 0;

	assert_se(config_parse_si_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_size, NULL) >= 0);
	assert_se(expected == si_size);
	}

	static void test_config_parse_int_one(const char *rvalue, int expected) {
	int v = -1;

	assert_se(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
	assert_se(expected == v);
	}

	static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
	unsigned v = 0;

	assert_se(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
	assert_se(expected == v);
	}

	static void test_config_parse_strv_one(const char rvalue, char *expected) {
	_cleanup_strv_free_ char **strv = NULL;

	assert_se(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &strv, NULL) >= 0);
	assert_se(strv_equal(expected, strv));
	}

	static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
	mode_t v = 0;

	assert_se(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
	assert_se(expected == v);
	}

	static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
	usec_t v = 0;

	assert_se(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
	assert_se(expected == v);
	}

	static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
	nsec_t v = 0;

	assert_se(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
	assert_se(expected == v);
	}

	static void test_config_parse_path(void) {
	test_config_parse_path_one("/path", "/path");
	test_config_parse_path_one("/path//////////", "/path");
	test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
	test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
	test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");

	test_config_parse_path_one("not_absolute/path", NULL);
	test_config_parse_path_one("/path/\xc3\x7f", NULL);
	}

	static void test_config_parse_log_level(void) {
	test_config_parse_log_level_one("debug", LOG_DEBUG);
	test_config_parse_log_level_one("info", LOG_INFO);

	test_config_parse_log_level_one("garbage", 0);
	}

	static void test_config_parse_log_facility(void) {
	test_config_parse_log_facility_one("mail", LOG_MAIL);
	test_config_parse_log_facility_one("user", LOG_USER);

	test_config_parse_log_facility_one("garbage", 0);
	}

	static void test_config_parse_iec_size(void) {
	test_config_parse_iec_size_one("1024", 1024);
	test_config_parse_iec_size_one("2K", 2048);
	test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
	test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
	test_config_parse_iec_size_one("0G", 0);
	test_config_parse_iec_size_one("0", 0);

	test_config_parse_iec_size_one("-982", 0);
	test_config_parse_iec_size_one("49874444198739873000000G", 0);
	test_config_parse_iec_size_one("garbage", 0);
	}

	static void test_config_parse_si_size(void) {
	test_config_parse_si_size_one("1024", 1024);
	test_config_parse_si_size_one("2K", 2000);
	test_config_parse_si_size_one("10M", 10 * 1000 * 1000);
	test_config_parse_si_size_one("1G", 1 * 1000 * 1000 * 1000);
	test_config_parse_si_size_one("0G", 0);
	test_config_parse_si_size_one("0", 0);

	test_config_parse_si_size_one("-982", 0);
	test_config_parse_si_size_one("49874444198739873000000G", 0);
	test_config_parse_si_size_one("garbage", 0);
	}

	static void test_config_parse_int(void) {
	test_config_parse_int_one("1024", 1024);
	test_config_parse_int_one("-1024", -1024);
	test_config_parse_int_one("0", 0);

	test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
	test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
	test_config_parse_int_one("1G", -1);
	test_config_parse_int_one("garbage", -1);
	}

	static void test_config_parse_unsigned(void) {
	test_config_parse_unsigned_one("10241024", 10241024);
	test_config_parse_unsigned_one("1024", 1024);
	test_config_parse_unsigned_one("0", 0);

	test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
	test_config_parse_unsigned_one("1G", 0);
	test_config_parse_unsigned_one("garbage", 0);
	test_config_parse_unsigned_one("1000garbage", 0);
	}

	static void test_config_parse_strv(void) {
	test_config_parse_strv_one("", STRV_MAKE_EMPTY);
	test_config_parse_strv_one("foo", STRV_MAKE("foo"));
	test_config_parse_strv_one("foo bar foo", STRV_MAKE("foo", "bar", "foo"));
	test_config_parse_strv_one("\"foo bar\" foo", STRV_MAKE("foo bar", "foo"));
	test_config_parse_strv_one("\xc3\x80", STRV_MAKE("\xc3\x80"));
	test_config_parse_strv_one("\xc3\x7f", STRV_MAKE("\xc3\x7f"));
	}

	static void test_config_parse_mode(void) {
	test_config_parse_mode_one("777", 0777);
	test_config_parse_mode_one("644", 0644);

	test_config_parse_mode_one("-777", 0);
	test_config_parse_mode_one("999", 0);
	test_config_parse_mode_one("garbage", 0);
	test_config_parse_mode_one("777garbage", 0);
	test_config_parse_mode_one("777 garbage", 0);
	}

	static void test_config_parse_sec(void) {
	test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
	test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
	test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
	test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);

	test_config_parse_sec_one("-1", 0);
	test_config_parse_sec_one("10foo", 0);
	test_config_parse_sec_one("garbage", 0);
	}

	static void test_config_parse_nsec(void) {
	test_config_parse_nsec_one("1", 1);
	test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
	test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
	test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);

	test_config_parse_nsec_one("-1", 0);
	test_config_parse_nsec_one("10foo", 0);
	test_config_parse_nsec_one("garbage", 0);
	}

	static void test_config_parse_iec_uint64(void) {
	uint64_t offset = 0;
	assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
	assert_se(offset == 4 * 1024 * 1024);

	assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
	}

	#define x10(x) x x x x x x x x x x
	#define x100(x) x10(x10(x))
	#define x1000(x) x10(x100(x))

	static const char* const config_file[] = {
	"[Section]\n"
	"setting1=1\n",

	"[Section]\n"
	"setting1=1", /* no terminating newline */

	"\n\n\n\n[Section]\n\n\n"
	"setting1=1", /* some whitespace, no terminating newline */

	"[Section]\n"
	"[Section]\n"
	"setting1=1\n"
	"setting1=2\n"
	"setting1=1\n", /* repeated settings */

	"[Section]\n"
	"setting1=1\\\n" /* normal continuation */
	"2\\\n"
	"3\n",

	"[Section]\n"
	"#hogehoge\\\n" /* continuation is ignored in comment */
	"setting1=1\\\n" /* normal continuation */
	"2\\\n"
	"3\n",

	"[Section]\n"
	"setting1=1\\\n" /* normal continuation */
	"#hogehoge\\\n" /* commented out line in continuation is ignored */
	"2\\\n"
	"3\n",

	"[Section]\n"
	" #hogehoge\\\n" /* whitespaces before comments */
	" setting1=1\\\n" /* whitespaces before key */
	"2\\\n"
	"3\n",

	"[Section]\n"
	" setting1=1\\\n" /* whitespaces before key */
	" #hogehoge\\\n" /* commented out line prefixed with whitespaces in continuation */
	"2\\\n"
	"3\n",

	"[Section]\n"
	"setting1=1\\\n" /* continuation with extra trailing backslash at the end */
	"2\\\n"
	"3\\\n",

	"[Section]\n"
	"setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
	"\\\\2\n", /* note that C requires one level of escaping, so the
	* parser gets "…1 BS BS BS NL BS BS 2 NL", which
	* it translates into "…1 BS BS SP BS BS 2" */

	"\n[Section]\n\n"
	"setting1=" /* a line above LINE_MAX length */
	x1000("ABCD")
	"\n",

	"[Section]\n"
	"setting1=" /* a line above LINE_MAX length, with continuation */
	x1000("ABCD") "\\\n"
	"foobar",

	"[Section]\n"
	"setting1=" /* a line above LINE_MAX length, with continuation */
	x1000("ABCD") "\\\n" /* and an extra trailing backslash */
	"foobar\\\n",

	"[Section]\n"
	"setting1=" /* a line above the allowed limit: 9 + 1050000 + 1 */
	x1000(x1000("x") x10("abcde")) "\n",

	"[Section]\n"
	"setting1=" /* many continuation lines, together above the limit */
	x1000(x1000("x") x10("abcde") "\\\n") "xxx",
	};

	static void test_config_parse(unsigned i, const char *s) {
	_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
	_cleanup_fclose_ FILE *f = NULL;
	_cleanup_free_ char *setting1 = NULL;
	int r;

	const ConfigTableItem items[] = {
	{ "Section", "setting1", config_parse_string, 0, &setting1},
	{}
	};

	log_info("== %s[%i] ==", __func__, i);

	assert_se(fmkostemp_safe(name, "r+", &f) == 0);
	assert_se(fwrite(s, strlen(s), 1, f) == 1);
	rewind(f);

	/*
	int config_parse(const char *unit,
	const char *filename,
	FILE *f,
	const char *sections,
	ConfigItemLookup lookup,
	const void *table,
	bool relaxed,
	bool allow_include,
	bool warn,
	void *userdata)
	*/

	r = config_parse(NULL, name, f,
	"Section\0",
	config_item_table_lookup, items,
	CONFIG_PARSE_WARN, NULL);

	switch (i) {
	case 0 ... 3:
	assert_se(r == 0);
	assert_se(streq(setting1, "1"));
	break;

	case 4 ... 9:
	assert_se(r == 0);
	assert_se(streq(setting1, "1 2 3"));
	break;

	case 10:
	assert_se(r == 0);
	assert_se(streq(setting1, "1\\\\ \\\\2"));
	break;

	case 11:
	assert_se(r == 0);
	assert_se(streq(setting1, x1000("ABCD")));
	break;

	case 12 ... 13:
	assert_se(r == 0);
	assert_se(streq(setting1, x1000("ABCD") " foobar"));
	break;

	case 14 ... 15:
	assert_se(r == -ENOBUFS);
	assert_se(setting1 == NULL);
	break;
	}
	}

	int main(int argc, char **argv) {
	unsigned i;

	log_parse_environment();
	log_open();

	test_config_parse_path();
	test_config_parse_log_level();
	test_config_parse_log_facility();
	test_config_parse_iec_size();
	test_config_parse_si_size();
	test_config_parse_int();
	test_config_parse_unsigned();
	test_config_parse_strv();
	test_config_parse_mode();
	test_config_parse_sec();
	test_config_parse_nsec();
	test_config_parse_iec_uint64();

	for (i = 0; i < ELEMENTSOF(config_file); i++)
	test_config_parse(i, config_file[i]);

	return 0;
	}