From: Rong Tao <[email protected]> Add tests for new kfuncs bpf_strcat() and bpf_strncat().
Signed-off-by: Rong Tao <[email protected]> --- .../testing/selftests/bpf/prog_tests/string_kfuncs.c | 2 ++ .../selftests/bpf/progs/string_kfuncs_failure2.c | 3 +++ .../selftests/bpf/progs/string_kfuncs_success.c | 12 ++++++++++++ 3 files changed, 17 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/string_kfuncs.c b/tools/testing/selftests/bpf/prog_tests/string_kfuncs.c index 300032a19445..460567ef622a 100644 --- a/tools/testing/selftests/bpf/prog_tests/string_kfuncs.c +++ b/tools/testing/selftests/bpf/prog_tests/string_kfuncs.c @@ -24,6 +24,8 @@ static const char * const test_cases[] = { "strcasestr", "strnstr", "strncasestr", + "strcat", + "strncat", }; void run_too_long_tests(void) diff --git a/tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c b/tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c index 412c53b87b18..2dbd1349689e 100644 --- a/tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c +++ b/tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c @@ -5,6 +5,7 @@ #include <linux/limits.h> char long_str[XATTR_SIZE_MAX + 1]; +char str[] = "hello"; SEC("syscall") int test_strcmp_too_long(void *ctx) { return bpf_strcmp(long_str, long_str); } SEC("syscall") int test_strcasecmp_too_long(void *ctx) { return bpf_strcasecmp(long_str, long_str); } @@ -23,5 +24,7 @@ SEC("syscall") int test_strstr_too_long(void *ctx) { return bpf_strstr(long_str, SEC("syscall") int test_strcasestr_too_long(void *ctx) { return bpf_strcasestr(long_str, "hello"); } SEC("syscall") int test_strnstr_too_long(void *ctx) { return bpf_strnstr(long_str, "hello", sizeof(long_str)); } SEC("syscall") int test_strncasestr_too_long(void *ctx) { return bpf_strncasestr(long_str, "hello", sizeof(long_str)); } +SEC("syscall") int test_strcat_too_long(void *ctx) { return bpf_strcat(long_str, sizeof(long_str), str); } +SEC("syscall") int test_strncat_too_long(void *ctx) { return bpf_strncat(long_str, sizeof(long_str), str, 3); } char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/string_kfuncs_success.c b/tools/testing/selftests/bpf/progs/string_kfuncs_success.c index f65b1226a81a..40583361c655 100644 --- a/tools/testing/selftests/bpf/progs/string_kfuncs_success.c +++ b/tools/testing/selftests/bpf/progs/string_kfuncs_success.c @@ -59,5 +59,17 @@ __test(-ENOENT) int test_strncasestr_notfound1(void *ctx) { return bpf_strncases __test(-ENOENT) int test_strncasestr_notfound2(void *ctx) { return bpf_strncasestr(str, "hello", 4); } __test(-ENOENT) int test_strncasestr_notfound3(void *ctx) { return bpf_strncasestr("", "a", 0); } __test(0) int test_strncasestr_empty(void *ctx) { return bpf_strncasestr(str, "", 1); } +__test(0) int test_strcat_success(void *ctx) +{ + char buf[32] = "hello"; + bpf_strcat(buf, sizeof(buf), str); + return bpf_strcmp(buf, "hellohello world"); +} +__test(0) int test_strncat_success(void *ctx) +{ + char buf[32] = "hello"; + bpf_strncat(buf, sizeof(buf), str, 3); + return bpf_strcmp(buf, "hellohe"); +} char _license[] SEC("license") = "GPL"; -- 2.55.0
