diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/test-util.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c index 7d81b0b7be..a8fa48aed2 100644 --- a/src/test/test-util.c +++ b/src/test/test-util.c @@ -70,6 +70,28 @@ static void test_align_power2(void) { } } +static void test_max(void) { + static const struct { + int a; + int b[CONST_MAX(10, 100)]; + } val1 = { + .a = CONST_MAX(10, 100), + }; + int d = 0; + + assert_cc(sizeof(val1.b) == sizeof(int) * 100); + + /* CONST_MAX returns (void) instead of a value if the passed arguments + * are not of the same type or not constant expressions. */ + assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 10)), int)); + assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(d, 10)), void)); + assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 1U)), void)); + + assert_se(val1.a == 100); + assert_se(MAX(++d, 0) == 1); + assert_se(d == 1); +} + static void test_first_word(void) { assert_se(first_word("Hello", "")); assert_se(first_word("Hello", "Hello")); @@ -927,6 +949,7 @@ int main(int argc, char *argv[]) { test_streq_ptr(); test_align_power2(); + test_max(); test_first_word(); test_close_many(); test_parse_boolean(); |