commit 470a6375bfc888d50b7937443b1491d86a79fcc1
author Greg Bonik <gbonik@google.com> Fri Mar 22 19:01:26 2019 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> Fri Mar 22 19:01:26 2019 +0000
tree f627dcd6e2dd808172f443ac696e8bf64df965c1
parent 74d25a7d7d6158065ef71425a8e763b15ceac156

[wlan][common] Add a unit test for round_up()

Shouldn't hurt since the correctness of the formula might not be
immediately obvious.

Change-Id: Ibc3c645395d4fc5cbd8677f491ce9ae9f09d3ec6

garnet/lib/rust/wlan-common/src/mac.rs

diff --git a/garnet/lib/rust/wlan-common/src/mac.rs b/garnet/lib/rust/wlan-common/src/mac.rs
index 2b72d31..f1a890c 100644
--- a/garnet/lib/rust/wlan-common/src/mac.rs
+++ b/garnet/lib/rust/wlan-common/src/mac.rs
@@ -1193,4 +1193,14 @@
         data_hdr.frame_ctrl = fc;
         assert_eq!(data_bssid(&data_hdr), Some([4; 6])); // Addr2
     }
+
+    #[test]
+    fn round_up_to_4() {
+        assert_eq!(0, round_up(0u32, 4));
+        assert_eq!(4, round_up(1u32, 4));
+        assert_eq!(4, round_up(2u32, 4));
+        assert_eq!(4, round_up(3u32, 4));
+        assert_eq!(4, round_up(4u32, 4));
+        assert_eq!(8, round_up(5u32, 4));
+    }
 }