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test: Add test for flag macros

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Jan Janssen 2021-11-05 12:53:09 +01:00 committed by Zbigniew Jędrzejewski-Szmek
parent 20f7ada699
commit d874a13efc
1 changed files with 70 additions and 0 deletions
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70
src/test/test-macro.c
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@ -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;
}