[thirdparty/systemd.git] / src / test / test-escape.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "alloc-util.h"
#include "escape.h"
#include "macro.h"
#include "tests.h"

TEST(cescape) {
        _cleanup_free_ char *t = NULL;

        assert_se(t = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313"));
        assert_se(streq(t, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313"));
}

TEST(xescape) {
        _cleanup_free_ char *t = NULL;

        assert_se(t = xescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", ""));
        assert_se(streq(t, "abc\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\\x7f\\x9c\\xcb"));
}

static void test_xescape_full_one(bool eight_bits) {
        const char* escaped = !eight_bits ?
                "a\\x62c\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\\x7f\\x9c\\xcb" :
                "a\\x62c\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\177\234\313";
        const unsigned full_fit = !eight_bits ? 55 : 46;
        XEscapeFlags flags = eight_bits * XESCAPE_8_BIT;

        log_info("/* %s */", __func__);

        for (unsigned i = 0; i < 60; i++) {
                _cleanup_free_ char *t = NULL, *q = NULL;

                assert_se(t = xescape_full("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", "b", i, flags));

                log_info("%02u: <%s>", i, t);

                if (i >= full_fit)
                        assert_se(streq(t, escaped));
                else if (i >= 3) {
                        /* We need up to four columns, so up to three columns may be wasted */
                        assert_se(strlen(t) == i || strlen(t) == i - 1 || strlen(t) == i - 2 || strlen(t) == i - 3);
                        assert_se(strneq(t, escaped, i - 3) || strneq(t, escaped, i - 4) ||
                                  strneq(t, escaped, i - 5) || strneq(t, escaped, i - 6));
                        assert_se(endswith(t, "..."));
                } else {
                        assert_se(strlen(t) == i);
                        assert_se(strneq(t, "...", i));
                }

                assert_se(q = xescape_full("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", "b", i,
                                           flags | XESCAPE_FORCE_ELLIPSIS));

                log_info("%02u: <%s>", i, q);
                if (i > 0)
                        assert_se(endswith(q, "."));
                assert_se(strlen(q) <= i);
                assert_se(strlen(q) + 3 >= strlen(t));
        }
}

TEST(xescape_full) {
        test_xescape_full_one(false);
        test_xescape_full_one(true);
}

TEST(cunescape) {
        _cleanup_free_ char *unescaped = NULL;

        assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", 0, &unescaped) < 0);
        assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00"));
        unescaped = mfree(unescaped);

        /* incomplete sequences */
        assert_se(cunescape("\\x0", 0, &unescaped) < 0);
        assert_se(cunescape("\\x0", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "\\x0"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\x", 0, &unescaped) < 0);
        assert_se(cunescape("\\x", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "\\x"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\", 0, &unescaped) < 0);
        assert_se(cunescape("\\", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "\\"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\11", 0, &unescaped) < 0);
        assert_se(cunescape("\\11", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "\\11"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\1", 0, &unescaped) < 0);
        assert_se(cunescape("\\1", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "\\1"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\u0000", 0, &unescaped) < 0);
        assert_se(cunescape("\\u00DF\\U000000df\\u03a0\\U00000041", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "ßßΠA"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\073", 0, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, ";"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("A=A\\\\x0aB", 0, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("A=A\\\\x0aB", UNESCAPE_RELAX, &unescaped) >= 0);
        assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\x00\\x00\\x00", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
        assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\u0000\\u0000\\u0000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
        assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\U00000000\\U00000000\\U00000000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
        assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
        unescaped = mfree(unescaped);

        assert_se(cunescape("\\000\\000\\000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
        assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
}

static void test_shell_escape_one(const char *s, const char *bad, const char *expected) {
        _cleanup_free_ char *r = NULL;

        assert_se(r = shell_escape(s, bad));
        log_debug("%s → %s (expected %s)", s, r, expected);
        assert_se(streq_ptr(r, expected));
}

TEST(shell_escape) {
        test_shell_escape_one("", "", "");
        test_shell_escape_one("\\", "", "\\\\");
        test_shell_escape_one("foobar", "", "foobar");
        test_shell_escape_one("foobar", "o", "f\\o\\obar");
        test_shell_escape_one("foo:bar,baz", ",:", "foo\\:bar\\,baz");
        test_shell_escape_one("foo\nbar\nbaz", ",:", "foo\\nbar\\nbaz");
}

static void test_shell_maybe_quote_one(const char *s, ShellEscapeFlags flags, const char *expected) {
        _cleanup_free_ char *ret = NULL;

        assert_se(ret = shell_maybe_quote(s, flags));
        log_debug("[%s] → [%s] (%s)", s, ret, expected);
        assert_se(streq(ret, expected));
}

TEST(shell_maybe_quote) {
        test_shell_maybe_quote_one("", 0, "");
        test_shell_maybe_quote_one("", SHELL_ESCAPE_EMPTY, "\"\"");
        test_shell_maybe_quote_one("", SHELL_ESCAPE_POSIX, "");
        test_shell_maybe_quote_one("", SHELL_ESCAPE_POSIX | SHELL_ESCAPE_EMPTY, "\"\"");
        test_shell_maybe_quote_one("\\", 0, "\"\\\\\"");
        test_shell_maybe_quote_one("\\", SHELL_ESCAPE_POSIX, "$'\\\\'");
        test_shell_maybe_quote_one("\"", 0, "\"\\\"\"");
        test_shell_maybe_quote_one("\"", SHELL_ESCAPE_POSIX, "$'\"'");
        test_shell_maybe_quote_one("foobar", 0, "foobar");
        test_shell_maybe_quote_one("foobar", SHELL_ESCAPE_POSIX, "foobar");
        test_shell_maybe_quote_one("foo bar", 0, "\"foo bar\"");
        test_shell_maybe_quote_one("foo bar", SHELL_ESCAPE_POSIX, "$'foo bar'");
        test_shell_maybe_quote_one("foo\tbar", 0, "\"foo\\tbar\"");
        test_shell_maybe_quote_one("foo\tbar", SHELL_ESCAPE_POSIX, "$'foo\\tbar'");
        test_shell_maybe_quote_one("foo\nbar", 0, "\"foo\\nbar\"");
        test_shell_maybe_quote_one("foo\nbar", SHELL_ESCAPE_POSIX, "$'foo\\nbar'");
        test_shell_maybe_quote_one("foo \"bar\" waldo", 0, "\"foo \\\"bar\\\" waldo\"");
        test_shell_maybe_quote_one("foo \"bar\" waldo", SHELL_ESCAPE_POSIX, "$'foo \"bar\" waldo'");
        test_shell_maybe_quote_one("foo$bar", 0, "\"foo\\$bar\"");
        test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_EMPTY, "\"foo\\$bar\"");
        test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_POSIX, "$'foo$bar'");
        test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_POSIX | SHELL_ESCAPE_EMPTY, "$'foo$bar'");

        /* Exclamation mark is special in the interactive shell, but we don't treat it so. */
        test_shell_maybe_quote_one("foo!bar", 0, "\"foo!bar\"");
        test_shell_maybe_quote_one("foo!bar", SHELL_ESCAPE_POSIX, "$'foo!bar'");

        /* Control characters and unicode */
        test_shell_maybe_quote_one("a\nb\001", 0, "\"a\\nb\\001\"");
        test_shell_maybe_quote_one("a\nb\001", SHELL_ESCAPE_POSIX, "$'a\\nb\\001'");

        test_shell_maybe_quote_one("głąb", 0, "głąb");
        test_shell_maybe_quote_one("głąb", SHELL_ESCAPE_POSIX, "głąb");

        test_shell_maybe_quote_one("głąb\002\003", 0, "\"głąb\\002\\003\"");
        test_shell_maybe_quote_one("głąb\002\003", SHELL_ESCAPE_POSIX, "$'głąb\\002\\003'");

        test_shell_maybe_quote_one("głąb\002\003rząd", 0, "\"głąb\\002\\003rząd\"");
        test_shell_maybe_quote_one("głąb\002\003rząd", SHELL_ESCAPE_POSIX, "$'głąb\\002\\003rząd'");

        /* Bogus UTF-8 strings */
        test_shell_maybe_quote_one("\250\350", 0, "\"\\250\\350\"");
        test_shell_maybe_quote_one("\250\350", SHELL_ESCAPE_POSIX, "$'\\250\\350'");
}

static void test_quote_command_line_one(char **argv, const char *expected) {
        _cleanup_free_ char *s = NULL;

        assert_se(s = quote_command_line(argv, SHELL_ESCAPE_EMPTY));
        log_info("%s", s);
        assert_se(streq(s, expected));
}

TEST(quote_command_line) {
        test_quote_command_line_one(STRV_MAKE("true", "true"),
                                    "true true");
        test_quote_command_line_one(STRV_MAKE("true", "with a space"),
                                    "true \"with a space\"");
        test_quote_command_line_one(STRV_MAKE("true", "with a 'quote'"),
                                    "true \"with a 'quote'\"");
        test_quote_command_line_one(STRV_MAKE("true", "with a \"quote\""),
                                    "true \"with a \\\"quote\\\"\"");
        test_quote_command_line_one(STRV_MAKE("true", "$dollar"),
                                    "true \"\\$dollar\"");
}

static void test_octescape_one(const char *s, const char *expected) {
        _cleanup_free_ char *ret = NULL;

        assert_se(ret = octescape(s, strlen_ptr(s)));
        log_debug("octescape(\"%s\") → \"%s\" (expected: \"%s\")", strnull(s), ret, expected);
        assert_se(streq(ret, expected));
}

TEST(octescape) {
        test_octescape_one(NULL, "");
        test_octescape_one("", "");
        test_octescape_one("foo", "foo");
        test_octescape_one("\"\\\"", "\\042\\134\\042");
        test_octescape_one("\123\213\222", "\123\\213\\222");
}

DEFINE_TEST_MAIN(LOG_DEBUG);
Commit	Line	Data
db9ecf05	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
45e0b1f6 RC	2
	3	#include "alloc-util.h"
	4	#include "escape.h"
	5	#include "macro.h"
6d7c4033	6	#include "tests.h"
45e0b1f6	7
4f7452a8	8	TEST(cescape) {
3d41b6b8	9	_cleanup_free_ char *t = NULL;
45e0b1f6	10
70d55819 ZJS	11	assert_se(t = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313"));
	12	assert_se(streq(t, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313"));
	13	}
	14
4f7452a8	15	TEST(xescape) {
3d41b6b8	16	_cleanup_free_ char *t = NULL;
70d55819 ZJS	17
	18	assert_se(t = xescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", ""));
	19	assert_se(streq(t, "abc\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\\x7f\\x9c\\xcb"));
	20	}
	21
4f7452a8	22	static void test_xescape_full_one(bool eight_bits) {
70d55819 ZJS	23	const char* escaped = !eight_bits ?
	24	"a\\x62c\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\\x7f\\x9c\\xcb" :
	25	"a\\x62c\\x5c\"\\x08\\x0c\\x0a\\x0d\\x09\\x0b\\x07\\x03\177\234\313";
	26	const unsigned full_fit = !eight_bits ? 55 : 46;
b19f2116	27	XEscapeFlags flags = eight_bits * XESCAPE_8_BIT;
70d55819	28
5ca75ec9 ZJS	29	log_info("/* %s */", __func__);
5ca75ec9 ZJS	30
70d55819	31	for (unsigned i = 0; i < 60; i++) {
3d41b6b8	32	_cleanup_free_ char t = NULL, q = NULL;
70d55819	33
b19f2116	34	assert_se(t = xescape_full("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", "b", i, flags));
70d55819	35
c0f86d66	36	log_info("%02u: <%s>", i, t);
70d55819 ZJS	37
	38	if (i >= full_fit)
	39	assert_se(streq(t, escaped));
	40	else if (i >= 3) {
30fd9a2d	41	/* We need up to four columns, so up to three columns may be wasted */
70d55819 ZJS	42	assert_se(strlen(t) == i \|\| strlen(t) == i - 1 \|\| strlen(t) == i - 2 \|\| strlen(t) == i - 3);
	43	assert_se(strneq(t, escaped, i - 3) \|\| strneq(t, escaped, i - 4) \|\|
	44	strneq(t, escaped, i - 5) \|\| strneq(t, escaped, i - 6));
	45	assert_se(endswith(t, "..."));
	46	} else {
	47	assert_se(strlen(t) == i);
	48	assert_se(strneq(t, "...", i));
	49	}
fc96e5c0 ZJS	50
	51	assert_se(q = xescape_full("abc\\\"\b\f\n\r\t\v\a\003\177\234\313", "b", i,
	52	flags \| XESCAPE_FORCE_ELLIPSIS));
	53
c0f86d66	54	log_info("%02u: <%s>", i, q);
fc96e5c0 ZJS	55	if (i > 0)
fc96e5c0 ZJS	56	assert_se(endswith(q, "."));
f21b863e YW	57	assert_se(strlen(q) <= i);
f21b863e YW	58	assert_se(strlen(q) + 3 >= strlen(t));
70d55819	59	}
45e0b1f6 RC	60	}
45e0b1f6 RC	61
ec9d3fc5	62	TEST(xescape_full) {
4f7452a8 JJ	63	test_xescape_full_one(false);
	64	test_xescape_full_one(true);
	65	}
45e0b1f6	66
4f7452a8	67	TEST(cunescape) {
3d41b6b8	68	_cleanup_free_ char *unescaped = NULL;
5ca75ec9	69
45e0b1f6 RC	70	assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", 0, &unescaped) < 0);
	71	assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", UNESCAPE_RELAX, &unescaped) >= 0);
	72	assert_se(streq_ptr(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00"));
	73	unescaped = mfree(unescaped);
	74
	75	/* incomplete sequences */
	76	assert_se(cunescape("\\x0", 0, &unescaped) < 0);
	77	assert_se(cunescape("\\x0", UNESCAPE_RELAX, &unescaped) >= 0);
	78	assert_se(streq_ptr(unescaped, "\\x0"));
	79	unescaped = mfree(unescaped);
	80
	81	assert_se(cunescape("\\x", 0, &unescaped) < 0);
	82	assert_se(cunescape("\\x", UNESCAPE_RELAX, &unescaped) >= 0);
	83	assert_se(streq_ptr(unescaped, "\\x"));
	84	unescaped = mfree(unescaped);
	85
	86	assert_se(cunescape("\\", 0, &unescaped) < 0);
	87	assert_se(cunescape("\\", UNESCAPE_RELAX, &unescaped) >= 0);
	88	assert_se(streq_ptr(unescaped, "\\"));
	89	unescaped = mfree(unescaped);
	90
	91	assert_se(cunescape("\\11", 0, &unescaped) < 0);
	92	assert_se(cunescape("\\11", UNESCAPE_RELAX, &unescaped) >= 0);
	93	assert_se(streq_ptr(unescaped, "\\11"));
	94	unescaped = mfree(unescaped);
	95
	96	assert_se(cunescape("\\1", 0, &unescaped) < 0);
	97	assert_se(cunescape("\\1", UNESCAPE_RELAX, &unescaped) >= 0);
	98	assert_se(streq_ptr(unescaped, "\\1"));
	99	unescaped = mfree(unescaped);
	100
	101	assert_se(cunescape("\\u0000", 0, &unescaped) < 0);
	102	assert_se(cunescape("\\u00DF\\U000000df\\u03a0\\U00000041", UNESCAPE_RELAX, &unescaped) >= 0);
	103	assert_se(streq_ptr(unescaped, "ßßΠA"));
	104	unescaped = mfree(unescaped);
	105
	106	assert_se(cunescape("\\073", 0, &unescaped) >= 0);
	107	assert_se(streq_ptr(unescaped, ";"));
a096d8c8 ZJS	108	unescaped = mfree(unescaped);
	109
	110	assert_se(cunescape("A=A\\\\x0aB", 0, &unescaped) >= 0);
	111	assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
	112	unescaped = mfree(unescaped);
	113
	114	assert_se(cunescape("A=A\\\\x0aB", UNESCAPE_RELAX, &unescaped) >= 0);
	115	assert_se(streq_ptr(unescaped, "A=A\\x0aB"));
a6a36dea YW	116	unescaped = mfree(unescaped);
	117
	118	assert_se(cunescape("\\x00\\x00\\x00", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
	119	assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
	120	unescaped = mfree(unescaped);
	121
	122	assert_se(cunescape("\\u0000\\u0000\\u0000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
	123	assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
	124	unescaped = mfree(unescaped);
	125
	126	assert_se(cunescape("\\U00000000\\U00000000\\U00000000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
	127	assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
	128	unescaped = mfree(unescaped);
	129
	130	assert_se(cunescape("\\000\\000\\000", UNESCAPE_ACCEPT_NUL, &unescaped) == 3);
	131	assert_se(memcmp(unescaped, "\0\0\0", 3) == 0);
45e0b1f6 RC	132	}
	133
	134	static void test_shell_escape_one(const char s, const char bad, const char *expected) {
3d41b6b8	135	_cleanup_free_ char *r = NULL;
45e0b1f6 RC	136
45e0b1f6 RC	137	assert_se(r = shell_escape(s, bad));
0089ab08	138	log_debug("%s → %s (expected %s)", s, r, expected);
45e0b1f6 RC	139	assert_se(streq_ptr(r, expected));
	140	}
	141
4f7452a8	142	TEST(shell_escape) {
45e0b1f6 RC	143	test_shell_escape_one("", "", "");
	144	test_shell_escape_one("\\", "", "\\\\");
	145	test_shell_escape_one("foobar", "", "foobar");
	146	test_shell_escape_one("foobar", "o", "f\\o\\obar");
	147	test_shell_escape_one("foo:bar,baz", ",:", "foo\\:bar\\,baz");
566d06ae	148	test_shell_escape_one("foo\nbar\nbaz", ",:", "foo\\nbar\\nbaz");
45e0b1f6 RC	149	}
45e0b1f6 RC	150
9e53c10a	151	static void test_shell_maybe_quote_one(const char s, ShellEscapeFlags flags, const char expected) {
804ee07c ZJS	152	_cleanup_free_ char *ret = NULL;
804ee07c ZJS	153
9e53c10a	154	assert_se(ret = shell_maybe_quote(s, flags));
804ee07c ZJS	155	log_debug("[%s] → [%s] (%s)", s, ret, expected);
804ee07c ZJS	156	assert_se(streq(ret, expected));
45e0b1f6 RC	157	}
45e0b1f6 RC	158
4f7452a8	159	TEST(shell_maybe_quote) {
9e53c10a	160	test_shell_maybe_quote_one("", 0, "");
1129cd8a	161	test_shell_maybe_quote_one("", SHELL_ESCAPE_EMPTY, "\"\"");
9e53c10a	162	test_shell_maybe_quote_one("", SHELL_ESCAPE_POSIX, "");
1129cd8a	163	test_shell_maybe_quote_one("", SHELL_ESCAPE_POSIX \| SHELL_ESCAPE_EMPTY, "\"\"");
9e53c10a ZJS	164	test_shell_maybe_quote_one("\\", 0, "\"\\\\\"");
	165	test_shell_maybe_quote_one("\\", SHELL_ESCAPE_POSIX, "$'\\\\'");
	166	test_shell_maybe_quote_one("\"", 0, "\"\\\"\"");
	167	test_shell_maybe_quote_one("\"", SHELL_ESCAPE_POSIX, "$'\"'");
	168	test_shell_maybe_quote_one("foobar", 0, "foobar");
	169	test_shell_maybe_quote_one("foobar", SHELL_ESCAPE_POSIX, "foobar");
	170	test_shell_maybe_quote_one("foo bar", 0, "\"foo bar\"");
	171	test_shell_maybe_quote_one("foo bar", SHELL_ESCAPE_POSIX, "$'foo bar'");
	172	test_shell_maybe_quote_one("foo\tbar", 0, "\"foo\\tbar\"");
	173	test_shell_maybe_quote_one("foo\tbar", SHELL_ESCAPE_POSIX, "$'foo\\tbar'");
	174	test_shell_maybe_quote_one("foo\nbar", 0, "\"foo\\nbar\"");
	175	test_shell_maybe_quote_one("foo\nbar", SHELL_ESCAPE_POSIX, "$'foo\\nbar'");
	176	test_shell_maybe_quote_one("foo \"bar\" waldo", 0, "\"foo \\\"bar\\\" waldo\"");
	177	test_shell_maybe_quote_one("foo \"bar\" waldo", SHELL_ESCAPE_POSIX, "$'foo \"bar\" waldo'");
	178	test_shell_maybe_quote_one("foo$bar", 0, "\"foo\\$bar\"");
1129cd8a	179	test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_EMPTY, "\"foo\\$bar\"");
9e53c10a	180	test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_POSIX, "$'foo$bar'");
1129cd8a	181	test_shell_maybe_quote_one("foo$bar", SHELL_ESCAPE_POSIX \| SHELL_ESCAPE_EMPTY, "$'foo$bar'");
804ee07c	182
0089ab08	183	/* Exclamation mark is special in the interactive shell, but we don't treat it so. */
9e53c10a ZJS	184	test_shell_maybe_quote_one("foo!bar", 0, "\"foo!bar\"");
9e53c10a ZJS	185	test_shell_maybe_quote_one("foo!bar", SHELL_ESCAPE_POSIX, "$'foo!bar'");
0089ab08 ZJS	186
	187	/* Control characters and unicode */
	188	test_shell_maybe_quote_one("a\nb\001", 0, "\"a\\nb\\001\"");
	189	test_shell_maybe_quote_one("a\nb\001", SHELL_ESCAPE_POSIX, "$'a\\nb\\001'");
	190
	191	test_shell_maybe_quote_one("głąb", 0, "głąb");
	192	test_shell_maybe_quote_one("głąb", SHELL_ESCAPE_POSIX, "głąb");
	193
	194	test_shell_maybe_quote_one("głąb\002\003", 0, "\"głąb\\002\\003\"");
	195	test_shell_maybe_quote_one("głąb\002\003", SHELL_ESCAPE_POSIX, "$'głąb\\002\\003'");
	196
	197	test_shell_maybe_quote_one("głąb\002\003rząd", 0, "\"głąb\\002\\003rząd\"");
	198	test_shell_maybe_quote_one("głąb\002\003rząd", SHELL_ESCAPE_POSIX, "$'głąb\\002\\003rząd'");
582843ee	199
	200	/* Bogus UTF-8 strings */
	201	test_shell_maybe_quote_one("\250\350", 0, "\"\\250\\350\"");
	202	test_shell_maybe_quote_one("\250\350", SHELL_ESCAPE_POSIX, "$'\\250\\350'");
45e0b1f6 RC	203	}
45e0b1f6 RC	204
eeb91d29	205	static void test_quote_command_line_one(char *argv, const char expected) {
3d41b6b8	206	_cleanup_free_ char *s = NULL;
eeb91d29	207
4ef15008	208	assert_se(s = quote_command_line(argv, SHELL_ESCAPE_EMPTY));
eeb91d29 ZJS	209	log_info("%s", s);
	210	assert_se(streq(s, expected));
	211	}
	212
4f7452a8	213	TEST(quote_command_line) {
eeb91d29 ZJS	214	test_quote_command_line_one(STRV_MAKE("true", "true"),
	215	"true true");
	216	test_quote_command_line_one(STRV_MAKE("true", "with a space"),
	217	"true \"with a space\"");
	218	test_quote_command_line_one(STRV_MAKE("true", "with a 'quote'"),
	219	"true \"with a 'quote'\"");
	220	test_quote_command_line_one(STRV_MAKE("true", "with a \"quote\""),
	221	"true \"with a \\\"quote\\\"\"");
	222	test_quote_command_line_one(STRV_MAKE("true", "$dollar"),
	223	"true \"\\$dollar\"");
	224	}
	225
4f438c63	226	static void test_octescape_one(const char s, const char expected) {
3d41b6b8	227	_cleanup_free_ char *ret = NULL;
4f438c63 YW	228
	229	assert_se(ret = octescape(s, strlen_ptr(s)));
	230	log_debug("octescape(\"%s\") → \"%s\" (expected: \"%s\")", strnull(s), ret, expected);
	231	assert_se(streq(ret, expected));
	232	}
	233
	234	TEST(octescape) {
	235	test_octescape_one(NULL, "");
	236	test_octescape_one("", "");
	237	test_octescape_one("foo", "foo");
	238	test_octescape_one("\"\\\"", "\\042\\134\\042");
	239	test_octescape_one("\123\213\222", "\123\\213\\222");
	240	}
	241
4f7452a8	242	DEFINE_TEST_MAIN(LOG_DEBUG);