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Diffstat (limited to '')
| -rw-r--r-- | src/test/test-udev-util.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/test/test-udev-util.c b/src/test/test-udev-util.c new file mode 100644 index 0000000..b0213f8 --- /dev/null +++ b/src/test/test-udev-util.c @@ -0,0 +1,202 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <stdlib.h> +#include <string.h> + +#include "macro.h" +#include "string-util.h" +#include "udev-util.h" + +static void test_udev_rule_parse_value_one(const char *in, const char *expected_value, int expected_retval) { + _cleanup_free_ char *str = NULL; + char *value = UINT_TO_PTR(0x12345678U); + char *endpos = UINT_TO_PTR(0x87654321U); + + assert_se(str = strdup(in)); + assert_se(udev_rule_parse_value(str, &value, &endpos) == expected_retval); + if (expected_retval < 0) { + /* not modified on failure */ + assert_se(value == UINT_TO_PTR(0x12345678U)); + assert_se(endpos == UINT_TO_PTR(0x87654321U)); + } else { + assert_se(streq_ptr(value, expected_value)); + assert_se(endpos == str + strlen(in)); + } +} + +static void test_parse_value(void) { + /* input: "valid operand" + * parsed: valid operand + * use the following command to help generate textual C strings: + * python3 -c 'import json; print(json.dumps(input()))' */ + test_udev_rule_parse_value_one( + "\"valid operand\"", + "valid operand", + 0 + ); +} + +static void test_parse_value_with_backslashes(void) { + /* input: "va'l\'id\"op\"erand" + * parsed: va'l\'id"op"erand */ + test_udev_rule_parse_value_one( + "\"va'l\\'id\\\"op\\\"erand\"", + "va'l\\'id\"op\"erand", + 0 + ); +} + +static void test_parse_value_no_quotes(void) { + test_udev_rule_parse_value_one( + "no quotes", + 0, + -EINVAL + ); +} + +static void test_parse_value_noescape(void) { + test_udev_rule_parse_value_one( + "\"\\\\a\\b\\x\\y\"", + "\\\\a\\b\\x\\y", + 0 + ); +} + +static void test_parse_value_nul(void) { + test_udev_rule_parse_value_one( + "\"reject\0nul\"", + 0, + -EINVAL + ); +} + +static void test_parse_value_escape_nothing(void) { + /* input: e"" */ + test_udev_rule_parse_value_one( + "e\"\"", + "", + 0 + ); +} + +static void test_parse_value_escape_nothing2(void) { + /* input: e"1234" */ + test_udev_rule_parse_value_one( + "e\"1234\"", + "1234", + 0 + ); +} + +static void test_parse_value_escape_double_quote(void) { + /* input: e"\"" */ + test_udev_rule_parse_value_one( + "e\"\\\"\"", + "\"", + 0 + ); +} + +static void test_parse_value_escape_backslash(void) { + /* input: e"\ */ + test_udev_rule_parse_value_one( + "e\"\\", + 0, + -EINVAL + ); + /* input: e"\" */ + test_udev_rule_parse_value_one( + "e\"\\\"", + 0, + -EINVAL + ); + /* input: e"\\" */ + test_udev_rule_parse_value_one( + "e\"\\\\\"", + "\\", + 0 + ); + /* input: e"\\\" */ + test_udev_rule_parse_value_one( + "e\"\\\\\\\"", + 0, + -EINVAL + ); + /* input: e"\\\"" */ + test_udev_rule_parse_value_one( + "e\"\\\\\\\"\"", + "\\\"", + 0 + ); + /* input: e"\\\\" */ + test_udev_rule_parse_value_one( + "e\"\\\\\\\\\"", + "\\\\", + 0 + ); +} + +static void test_parse_value_newline(void) { + /* input: e"operand with newline\n" */ + test_udev_rule_parse_value_one( + "e\"operand with newline\\n\"", + "operand with newline\n", + 0 + ); +} + +static void test_parse_value_escaped(void) { + /* input: e"single\rcharacter\t\aescape\bsequence" */ + test_udev_rule_parse_value_one( + "e\"single\\rcharacter\\t\\aescape\\bsequence\"", + "single\rcharacter\t\aescape\bsequence", + 0 + ); +} + +static void test_parse_value_invalid_escape(void) { + /* input: e"reject\invalid escape sequence" */ + test_udev_rule_parse_value_one( + "e\"reject\\invalid escape sequence", + 0, + -EINVAL + ); +} + +static void test_parse_value_invalid_termination(void) { + /* input: e"\ */ + test_udev_rule_parse_value_one( + "e\"\\", + 0, + -EINVAL + ); +} + +static void test_parse_value_unicode(void) { + /* input: "s\u1d1c\u1d04\u029c \u1d1c\u0274\u026a\u1d04\u1d0f\u1d05\u1d07 \U0001d568\U0001d560\U0001d568" */ + test_udev_rule_parse_value_one( + "e\"s\\u1d1c\\u1d04\\u029c \\u1d1c\\u0274\\u026a\\u1d04\\u1d0f\\u1d05\\u1d07 \\U0001d568\\U0001d560\\U0001d568\"", + "s\xe1\xb4\x9c\xe1\xb4\x84\xca\x9c \xe1\xb4\x9c\xc9\xb4\xc9\xaa\xe1\xb4\x84\xe1\xb4\x8f\xe1\xb4\x85\xe1\xb4\x87 \xf0\x9d\x95\xa8\xf0\x9d\x95\xa0\xf0\x9d\x95\xa8", + 0 + ); +} + +int main(int argc, char **argv) { + test_parse_value(); + test_parse_value_with_backslashes(); + test_parse_value_no_quotes(); + test_parse_value_nul(); + test_parse_value_noescape(); + + test_parse_value_escape_nothing(); + test_parse_value_escape_nothing2(); + test_parse_value_escape_double_quote(); + test_parse_value_escape_backslash(); + test_parse_value_newline(); + test_parse_value_escaped(); + test_parse_value_invalid_escape(); + test_parse_value_invalid_termination(); + test_parse_value_unicode(); + + return EXIT_SUCCESS; +} |