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libnm/tests: add test for broken behavior of nm_utils_bin_utf8safe_escape()

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(cherry picked from commit 5f54270d93)
This commit is contained in:
Thomas Haller 2021-07-16 08:05:41 +02:00
parent 5ef24e8d0b
commit 77c2ff8922
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GPG key ID: 29C2366E4DFC5728
1 changed files with 35 additions and 5 deletions
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40
src/libnm-core-impl/tests/test-general.c
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@ -9137,6 +9137,12 @@ _do_test_utils_str_utf8safe(const char * str,
((nmtst_get_rand_bool()) ? NM_UTILS_STR_UTF8_SAFE_FLAG_NONE \
: NM_UTILS_STR_UTF8_SAFE_FLAG_SECRET)
if (expected && strlen(expected) == str_len && memcmp(str, expected, str_len) == 0) {
g_error("Test error: pass expected as NULL (instead of \"%s\", if the escaping will "
"produce no difference.",
expected);
}
buf_safe = nm_utils_buf_utf8safe_escape(str, str_len, flags | RND_FLAG, &str_free_1);
str_safe = nm_utils_str_utf8safe_escape(str, flags | RND_FLAG, &str_free_2);
@ -9195,11 +9201,16 @@ _do_test_utils_str_utf8safe(const char * str,
g_assert(str);
g_assert(str_safe != str);
g_assert(str_safe == str_free_2);
g_assert(strchr(str, '\\') || !g_utf8_validate(str, -1, NULL)
|| (NM_FLAGS_HAS(flags, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_NON_ASCII)
&& NM_STRCHAR_ANY(str, ch, (guchar) ch >= 127))
|| (NM_FLAGS_HAS(flags, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL)
&& NM_STRCHAR_ANY(str, ch, (guchar) ch < ' ')));
if (nm_streq(str, "ab∞c")) {
/* Hack to pass test for broken behavior. */
g_assert(((char) -1) < 0);
} else {
g_assert(strchr(str, '\\') || !g_utf8_validate(str, -1, NULL)
|| (NM_FLAGS_HAS(flags, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_NON_ASCII)
&& NM_STRCHAR_ANY(str, ch, (guchar) ch >= 127))
|| (NM_FLAGS_HAS(flags, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL)
&& NM_STRCHAR_ANY(str, ch, (guchar) ch < ' ')));
}
g_assert(g_utf8_validate(str_safe, -1, NULL));
str_free_6 = g_strcompress(str_safe);
@ -9273,6 +9284,25 @@ test_utils_str_utf8safe(void)
do_test_utils_str_utf8safe_unescape("\n\\012", "\n\012");
do_test_utils_str_utf8safe_unescape("\n\\.", "\n.");
do_test_utils_str_utf8safe_unescape("\\n\\.3\\r", "\n.3\r");
if (((char) -1) < 0) {
/* Test buggy behavior on systems with signed "char". Will be fixed next. */
do_test_utils_str_utf8safe("ab∞c",
"ab\\342\\210\\236c",
NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL);
do_test_utils_str_utf8safe("ab\ab∞c",
"ab\\007b\\342\\210\\236c",
NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL);
} else {
do_test_utils_str_utf8safe("ab∞c", NULL, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL);
do_test_utils_str_utf8safe("ab\ab∞c",
"ab\\007b∞c",
NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL);
}
do_test_utils_str_utf8safe("ab\ab∞c",
"ab\\007b\\342\\210\\236c",
NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL
| NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_NON_ASCII);
}
/*****************************************************************************/