posix.cfg: Improved test cases for ffs().

2022-05-01 18:15:32 +02:00 · 2022-05-01 18:15:32 +02:00 · 6a657865eb
parent 6ad5a94acf
commit 6a657865eb
1 changed files with 3 additions and 1 deletions
--- a/test/cfg/posix.c
+++ b/test/cfg/posix.c
@ -38,7 +38,9 @@ void knownConditionTrueFalse_ffs(int i)
    // ffs() returns the position of the first bit set, or 0 if no bits are set in i.
    const int x = ffs(0);
    // cppcheck-suppress knownConditionTrueFalse
-    if (x == 0) {}
+    if (x == 0) {} // always true
+    // cppcheck-suppress knownConditionTrueFalse
+    if (x == 1) {} // always false
    if (ffs(i) == 0) {}
 }