tag registry

1 files changed, 12 insertions, 0 deletions

diff --git a/common/object/src/tests.rs b/common/object/src/tests.rs
index 35a29ba..143782c 100644
--- a/common/object/src/tests.rs
+++ b/common/object/src/tests.rs
@@ -37,3 +37,15 @@ fn read_multi_field() {
     assert_eq!(friends.next(), Some("Charlie"));
     assert_eq!(friends.next(), None);
 }
+
+#[test]
+fn vec_align_test() {
+    let mut c = 0;
+    for _ in 0..10_000 {
+        let x = Vec::<u8>::with_capacity(16);
+        if x.as_ptr().align_offset(4) == 0 {
+            c += 1;
+        }
+    }
+    assert_eq!(c, 10_000, "correctly aligned vecs by system allocator")
+}