diff options
Diffstat (limited to 'src/test/ui/borrowck/slice-index-bounds-check-invalidation.rs')
-rw-r--r-- | src/test/ui/borrowck/slice-index-bounds-check-invalidation.rs | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/test/ui/borrowck/slice-index-bounds-check-invalidation.rs b/src/test/ui/borrowck/slice-index-bounds-check-invalidation.rs deleted file mode 100644 index 0e0e3cda6..000000000 --- a/src/test/ui/borrowck/slice-index-bounds-check-invalidation.rs +++ /dev/null @@ -1,82 +0,0 @@ -// Test that we error if a slice is modified after it has been bounds checked -// and before we actually index it. - -fn modify_before_assert_slice_slice(x: &[&[i32]]) -> i32 { - let mut x = x; - let z: &[i32] = &[1, 2, 3]; - let y: &[&[i32]] = &[z]; - x[{ x = y; 0 }][2] // OK we haven't checked any bounds before we index `x`. -} - -fn modify_before_assert_array_slice(x: &[&[i32]; 3]) -> i32 { - let mut x = x; - let z: &[i32] = &[1, 2, 3]; - let y: &[&[i32]; 3] = &[z, z, z]; - x[{ x = y; 0 }][2] // OK we haven't checked any bounds before we index `x`. -} - -fn modify_before_assert_slice_array(x: &[&[i32; 3]]) -> i32 { - let mut x = x; - let z: &[i32; 3] = &[1, 2, 3]; - let y: &[&[i32; 3]] = &[z]; - x[{ x = y; 0 }][2] // OK we haven't checked any bounds before we index `x`. -} - -fn modify_before_assert_array_array(x: &[&[i32; 3]; 3]) -> i32 { - let mut x = x; - let z: &[i32; 3] = &[1, 2, 3]; - let y: &[&[i32; 3]; 3] = &[z, z, z]; - x[{ x = y; 0 }][2] // OK we haven't checked any bounds before we index `x`. -} - -fn modify_after_assert_slice_slice(x: &[&[i32]]) -> i32 { - let mut x = x; - let z: &[i32] = &[1, 2, 3]; - let y: &[&[i32]] = &[&z]; - x[1][{ x = y; 2}] //~ ERROR cannot assign `x` in indexing expression -} - -fn modify_after_assert_array_slice(x: &[&[i32]; 1]) -> i32 { - let mut x = x; - let z: &[i32] = &[1, 2, 3]; - let y: &[&[i32]; 1] = &[&z]; - x[0][{ x = y; 2}] // OK cannot invalidate a fixed-size array bounds check -} - -fn modify_after_assert_slice_array(x: &[&[i32; 3]]) -> i32 { - let mut x = x; - let z: &[i32; 3] = &[1, 2, 3]; - let y: &[&[i32; 3]] = &[&z]; - x[1][{ x = y; 2}] //~ ERROR cannot assign `x` in indexing expression -} - -fn modify_after_assert_array_array(x: &[&[i32; 3]; 1]) -> i32 { - let mut x = x; - let z: &[i32; 3] = &[1, 2, 3]; - let y: &[&[i32; 3]; 1] = &[&z]; - x[0][{ x = y; 2}] // OK cannot invalidate a fixed-size array bounds check -} - -fn modify_after_assert_slice_slice_array(x: &[&[[i32; 1]]]) -> i32 { - let mut x = x; - let z: &[[i32; 1]] = &[[1], [2], [3]]; - let y: &[&[[i32; 1]]] = &[&z]; - x[1][{ x = y; 2}][0] //~ ERROR cannot assign `x` in indexing expression -} - -fn modify_after_assert_slice_slice_slice(x: &[&[&[i32]]]) -> i32 { - let mut x = x; - let z: &[&[i32]] = &[&[1], &[2], &[3]]; - let y: &[&[&[i32]]] = &[z]; - x[1][{ x = y; 2}][0] //~ ERROR cannot assign `x` in indexing expression -} - - -fn main() { - println!("{}", modify_after_assert_slice_array(&[&[4, 5, 6], &[9, 10, 11]])); - println!("{}", modify_after_assert_slice_slice(&[&[4, 5, 6], &[9, 10, 11]])); - println!("{}", modify_after_assert_slice_slice_array(&[&[[4], [5], [6]], &[[9], [10], [11]]])); - println!("{}", modify_after_assert_slice_slice_slice( - &[&[&[4], &[5], &[6]], &[&[9], &[10], &[11]]]), - ); -} |