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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-03-14 21:43:56 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-03-14 21:44:20 -0400
commit8fe90522fb74dd84ff791a7546fee70047672396 (patch)
tree431a098266bd3ea245a0f019678667a06cc094b0 /src/test/test-util.c
parent40b71e89bae4e51768db4dc50ec64c1e9c96eec4 (diff)
timedated: use builtins for integer log and exp
Diffstat (limited to 'src/test/test-util.c')
-rw-r--r--src/test/test-util.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 6297182e0b..a6247726b0 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -645,6 +645,17 @@ static void test_hexdump(void) {
hexdump(stdout, data, sizeof(data));
}
+static void test_log2i(void) {
+ assert_se(log2i(1) == 0);
+ assert_se(log2i(2) == 1);
+ assert_se(log2i(3) == 1);
+ assert_se(log2i(4) == 2);
+ assert_se(log2i(32) == 5);
+ assert_se(log2i(33) == 5);
+ assert_se(log2i(63) == 5);
+ assert_se(log2i(INT_MAX) == sizeof(int)*8-2);
+}
+
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -687,6 +698,7 @@ int main(int argc, char *argv[]) {
test_in_set();
test_writing_tmpfile();
test_hexdump();
+ test_log2i();
return 0;
}