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| author | David Herrmann <dh.herrmann@gmail.com> | 2014-08-28 14:45:38 +0200 |
|---|---|---|
| committer | David Herrmann <dh.herrmann@gmail.com> | 2014-08-28 14:45:38 +0200 |
| commit | 667a0377fb25ddb0c3efbc43d186ffd4c097ce41 (patch) | |
| tree | ca22fac8400cc1ab67826bb545ae6f5907e78afd /src/test/test-util.c | |
| parent | d974ad0524942882f489914013d08ab16d147170 (diff) | |
macro: use unique variable names for math-macros
Similar to container_of(), we now use unique variable names for the bascic
math macros MAX, MIN, CLAMP, LESS_BY. Furthermore, unit tests are added to
verify they work as expected.
For a rationale, see:
commit fb835651aff79a1e7fc5795086c9b26e59a8e6ca
Author: David Herrmann <dh.herrmann@gmail.com>
Date: Fri Aug 22 14:41:37 2014 +0200
shared: make container_of() use unique variable names
Diffstat (limited to 'src/test/test-util.c')
| -rw-r--r-- | src/test/test-util.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c index 795f3a1b3d..72a8a6b130 100644 --- a/src/test/test-util.c +++ b/src/test/test-util.c @@ -94,6 +94,23 @@ static void test_max(void) { assert_cc(MAXSIZE(char[3], uint16_t) == 3); assert_cc(MAXSIZE(char[3], uint32_t) == 4); assert_cc(MAXSIZE(char, long) == sizeof(long)); + + assert_se(MAX(-5, 5) == 5); + assert_se(MAX(5, 5) == 5); + assert_se(MAX(MAX(1, MAX(2, MAX(3, 4))), 5) == 5); + assert_se(MAX(MAX(1, MAX(2, MAX(3, 2))), 1) == 3); + assert_se(MAX(MIN(1, MIN(2, MIN(3, 4))), 5) == 5); + assert_se(MAX(MAX(1, MIN(2, MIN(3, 2))), 1) == 2); + assert_se(LESS_BY(8, 4) == 4); + assert_se(LESS_BY(8, 8) == 0); + assert_se(LESS_BY(4, 8) == 0); + assert_se(LESS_BY(16, LESS_BY(8, 4)) == 12); + assert_se(LESS_BY(4, LESS_BY(8, 4)) == 0); + assert_se(CLAMP(-5, 0, 1) == 0); + assert_se(CLAMP(5, 0, 1) == 1); + assert_se(CLAMP(5, -10, 1) == 1); + assert_se(CLAMP(5, -10, 10) == 5); + assert_se(CLAMP(CLAMP(0, -10, 10), CLAMP(-5, 10, 20), CLAMP(100, -5, 20)) == 10); } static void test_container_of(void) { |