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| author | Jan Janssen <medhefgo@web.de> | 2021-11-05 12:53:09 +0100 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-11-05 16:27:41 +0100 |
| commit | d874a13efc51fe49c8870542fa1c9a64ca7e5e93 (patch) | |
| tree | f2be84f384bb05c9b284f3ff8bb5f7cc79a95cb8 /src | |
| parent | 20f7ada699f41882ed455bb6de4ab96a7c012427 (diff) | |
| download | systemd-d874a13efc51fe49c8870542fa1c9a64ca7e5e93.tar.gz | |
test: Add test for flag macros
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/test-macro.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/test/test-macro.c b/src/test/test-macro.c index 495221c1d5..6db06d80c6 100644 --- a/src/test/test-macro.c +++ b/src/test/test-macro.c @@ -336,6 +336,75 @@ static void test_align_to(void) { assert_cc(__builtin_types_compatible_p(typeof(CONST_ALIGN_TO(SIZE_MAX, 512)), void)); } +static void test_flags(void) { + enum { + F1 = 1 << 0, + F2 = 1 << 1, + F3 = 1 << 2, + F_ALL = F1 | F2 | F3 + }; + unsigned n, f; + + log_info("/* %s */", __func__); + + assert_se(FLAGS_SET(0, 0)); + assert_se(FLAGS_SET(F1, F1)); + assert_se(FLAGS_SET(F1 | F2, F1)); + assert_se(FLAGS_SET(F1 | F3, F1 | F3)); + assert_se(FLAGS_SET(F1 | F2 | F3, F_ALL)); + assert_se(!FLAGS_SET(0, F1)); + assert_se(!FLAGS_SET(F2, F1)); + assert_se(!FLAGS_SET(F1 | F2, F3)); + assert_se(!FLAGS_SET(F1 | F2, F1 | F3)); + assert_se(!FLAGS_SET(F1 | F2 | F3, ~F_ALL)); + + // Check for no double eval. + n = F2; + f = F1; + assert_se(!FLAGS_SET(--n, ++f)); + assert_se(n == F1); + assert_se(f == F2); + + SET_FLAG(n, F3, true); + assert_se(n == (F1 | F3)); + SET_FLAG(n, F2, false); + assert_se(n == (F1 | F3)); + SET_FLAG(n, F3, false); + assert_se(n == F1); + SET_FLAG(n, F1, true); + assert_se(n == F1); + SET_FLAG(n, F1 | F3, true); + assert_se(n == (F1 | F3)); + SET_FLAG(n, F_ALL, false); + assert_se(n == 0); + + assert_se(UPDATE_FLAG(0, 0, true) == 0); + assert_se(UPDATE_FLAG(0, F1, true) == F1); + assert_se(UPDATE_FLAG(0, F1 | F2, true) == (F1 | F2)); + assert_se(UPDATE_FLAG(F1, 0, true) == F1); + assert_se(UPDATE_FLAG(F1, F1, true) == F1); + assert_se(UPDATE_FLAG(F1, F3, true) == (F1 | F3)); + assert_se(UPDATE_FLAG(F1, F1 | F3, true) == (F1 | F3)); + assert_se(UPDATE_FLAG(F1, F_ALL, true) == F_ALL); + assert_se(UPDATE_FLAG(0, 0, false) == 0); + assert_se(UPDATE_FLAG(0, F1, false) == 0); + assert_se(UPDATE_FLAG(0, F1 | F2, false) == 0); + assert_se(UPDATE_FLAG(F1, 0, false) == F1); + assert_se(UPDATE_FLAG(F1, F1, false) == 0); + assert_se(UPDATE_FLAG(F1, F3, false) == F1); + assert_se(UPDATE_FLAG(F1, F1 | F3, false) == 0); + assert_se(UPDATE_FLAG(F1, F2 | F3, false) == F1); + assert_se(UPDATE_FLAG(F1, F_ALL, false) == 0); + assert_se(UPDATE_FLAG(F_ALL, F_ALL, false) == 0); + + // Check for no double eval. + n = F2; + f = F1; + assert_se(UPDATE_FLAG(--n, ++f, true) == (F1 | F2)); + assert_se(n == F1); + assert_se(f == F2); +} + int main(int argc, char *argv[]) { test_setup_logging(LOG_INFO); @@ -347,6 +416,7 @@ int main(int argc, char *argv[]) { test_foreach_pointer(); test_ptr_to_int(); test_align_to(); + test_flags(); return 0; } |