diff options
Diffstat (limited to 'src/libcore/tests/array.rs')
| -rw-r--r-- | src/libcore/tests/array.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/libcore/tests/array.rs b/src/libcore/tests/array.rs index 6af031dee58..6278d5e23e0 100644 --- a/src/libcore/tests/array.rs +++ b/src/libcore/tests/array.rs @@ -8,6 +8,7 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. use core::array::FixedSizeArray; +use core::convert::TryFrom; #[test] fn fixed_size_array() { @@ -26,3 +27,25 @@ fn fixed_size_array() { assert_eq!(FixedSizeArray::as_mut_slice(&mut empty_array).len(), 0); assert_eq!(FixedSizeArray::as_mut_slice(&mut empty_zero_sized).len(), 0); } + +#[test] +fn array_try_from() { + macro_rules! test { + ($($N:expr)+) => { + $({ + type Array = [u8; $N]; + let array: Array = [0; $N]; + let slice: &[u8] = &array[..]; + + let result = <&Array>::try_from(slice); + assert_eq!(&array, result.unwrap()); + })+ + } + } + test! { + 0 1 2 3 4 5 6 7 8 9 + 10 11 12 13 14 15 16 17 18 19 + 20 21 22 23 24 25 26 27 28 29 + 30 31 32 + } +} |