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Diffstat (limited to 'src/or/test.c')
| -rw-r--r-- | src/or/test.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/or/test.c b/src/or/test.c index ca6ffa0db..4307b1007 100644 --- a/src/or/test.c +++ b/src/or/test.c @@ -946,6 +946,26 @@ test_util(void) tor_gettimeofday(&end); /* We might've timewarped a little. */ test_assert(tv_udiff(&start, &end) >= -5000); + + /* Test tor_log2(). */ + test_eq(tor_log2(64), 6); + test_eq(tor_log2(65), 6); + test_eq(tor_log2(63), 5); + test_eq(tor_log2(1), 0); + test_eq(tor_log2(2), 1); + test_eq(tor_log2(3), 1); + test_eq(tor_log2(4), 2); + test_eq(tor_log2(5), 2); + test_eq(tor_log2(U64_LITERAL(40000000000000000)), 55); + test_eq(tor_log2(UINT64_MAX), 63); + + /* Test round_to_power_of_2 */ + test_eq(round_to_power_of_2(120), 128); + test_eq(round_to_power_of_2(128), 128); + test_eq(round_to_power_of_2(130), 128); + test_eq(round_to_power_of_2(U64_LITERAL(40000000000000000)), + U64_LITERAL(1)<<55); + test_eq(round_to_power_of_2(0), 2); } static void |