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udev: test udev_rule_parse_value()

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This commit is contained in:
Yu, Li-Yu 2020-10-21 00:38:44 +08:00
parent aea3253e71
commit 9abfd759d2
2 changed files with 206 additions and 0 deletions
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4
src/test/meson.build
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@ -764,6 +764,10 @@ tests += [
libselinux],
'', 'manual', '-DLOG_REALM=LOG_REALM_UDEV'],
[['src/test/test-udev-util.c'],
[],
[]],
[['src/test/test-id128.c'],
[],
[]],

202
src/test/test-udev-util.c Normal file
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@ -0,0 +1,202 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
#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;
}