X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Ftest%2Ftest-util.c;h=eaf7e22d0fd8b1ea3a11d58d610dd845ce16f331;hb=144e51eca20b72c8177314c225d8c15c1b0b9d6b;hp=08310c83ca4a754cd06df49a0df154a8e1506d07;hpb=e8853816bf197afc71819e28f1316a5d5ee4b4c3;p=elogind.git

diff --git a/src/test/test-util.c b/src/test/test-util.c
index 08310c83c..eaf7e22d0 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -338,6 +338,16 @@ static void test_hostname_is_valid(void) {
         assert(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
 }
 
+static void test_u64log2(void) {
+        assert(u64log2(0) == 0);
+        assert(u64log2(8) == 3);
+        assert(u64log2(9) == 3);
+        assert(u64log2(15) == 3);
+        assert(u64log2(16) == 4);
+        assert(u64log2(1024*1024) == 20);
+        assert(u64log2(1024*1024+5) == 20);
+}
+
 int main(int argc, char *argv[]) {
         test_streq_ptr();
         test_first_word();
@@ -363,6 +373,7 @@ int main(int argc, char *argv[]) {
         test_memdup_multiply();
         test_bus_path_escape();
         test_hostname_is_valid();
+        test_u64log2();
 
         return 0;
 }