From 5fc7b81c74beac4b8db5ccf941c6d656646fbcc7 Mon Sep 17 00:00:00 2001
From: nsan1129 <nsan1129@gmail.com>
Date: Tue, 26 Sep 2017 11:30:25 -0700
Subject: [PATCH] Add tests for `From<Vec<_>>` and `From<[_]>`.

---
 lib.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib.rs b/lib.rs
index fb0b862..2c0ad5c 100644
--- a/lib.rs
+++ b/lib.rs
@@ -1566,6 +1566,31 @@ pub mod tests {
     fn test_from() {
         assert_eq!(&SmallVec::<[u32; 2]>::from(&[1][..])[..], [1]);
         assert_eq!(&SmallVec::<[u32; 2]>::from(&[1, 2, 3][..])[..], [1, 2, 3]);
+
+        let vec = vec![];
+        let small_vec: SmallVec<[u8; 3]> = SmallVec::from(vec);
+        assert_eq!(&*small_vec, &[]);
+        drop(small_vec);
+
+        let vec = vec![1, 2, 3, 4, 5];
+        let small_vec: SmallVec<[u8; 3]> = SmallVec::from(vec);
+        assert_eq!(&*small_vec, &[1, 2, 3, 4, 5]);
+        drop(small_vec);
+
+        let vec = vec![1, 2, 3, 4, 5];
+        let small_vec: SmallVec<[u8; 1]> = SmallVec::from(vec);
+        assert_eq!(&*small_vec, &[1, 2, 3, 4, 5]);
+        drop(small_vec);
+
+        let array = [1];
+        let small_vec: SmallVec<[u8; 1]> = SmallVec::from(array);
+        assert_eq!(&*small_vec, &[1]);
+        drop(small_vec);
+
+        let array = [99; 128];
+        let small_vec: SmallVec<[u8; 128]> = SmallVec::from(array);
+        assert_eq!(&*small_vec, vec![99u8; 128].as_slice());
+        drop(small_vec);
     }
 
     #[test]