Re-added accidentally removed test method.

Also fixed indentation.

src/array_string.rs

@@ -44,7 +44,7 @@ impl<A: Array<Item=u8>> ArrayString<A> {
             }
         }
     }
-	
+
     /// Create a new `ArrayString` from a string slice.
     ///
     /// Capacity is inferred from the type parameter.
@@ -62,7 +62,7 @@ impl<A: Array<Item=u8>> ArrayString<A> {
 		try!(arraystr.push_str(s));
 		Ok(arraystr)
 	}
-	
+
     /// Return the capacity of the `ArrayString`.
     ///
     /// ```

tests/tests.rs

@@ -25,6 +25,17 @@ fn test_simple() {
     assert_eq!(sum_len, 8);
 }
 
+#[test]
+fn test_u16_index() {
+    const N: usize = 4096;
+    let mut vec: ArrayVec<[_; N]> = ArrayVec::new();
+    for _ in 0..N {
+        assert!(vec.push(1u8).is_none());
+    }
+    assert!(vec.push(0).is_some());
+    assert_eq!(vec.len(), N);
+}
+
 #[test]
 fn test_iter() {
     let mut iter = ArrayVec::from([1, 2, 3]).into_iter();
@@ -284,7 +295,7 @@ fn test_string() {
         Ok(())
     }();
     assert!(t.is_err());
-	
+
 	// Test `from` constructor
     let u = ArrayString::<[_; 11]>::from(text).unwrap();
 	assert_eq!(&u, text);