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-rw-r--r--src/test/ui/array-slice-vec/vec-dst.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/array-slice-vec/vec-dst.rs b/src/test/ui/array-slice-vec/vec-dst.rs
new file mode 100644
index 000000000..c58ddbc42
--- /dev/null
+++ b/src/test/ui/array-slice-vec/vec-dst.rs
@@ -0,0 +1,24 @@
+// run-pass
+
+pub fn main() {
+ // Tests for indexing into Box<[T; n]>/& [T; n]
+ let x: [isize; 3] = [1, 2, 3];
+ let mut x: Box<[isize; 3]> = x.into();
+ assert_eq!(x[0], 1);
+ assert_eq!(x[1], 2);
+ assert_eq!(x[2], 3);
+ x[1] = 45;
+ assert_eq!(x[0], 1);
+ assert_eq!(x[1], 45);
+ assert_eq!(x[2], 3);
+
+ let mut x: [isize; 3] = [1, 2, 3];
+ let x: &mut [isize; 3] = &mut x;
+ assert_eq!(x[0], 1);
+ assert_eq!(x[1], 2);
+ assert_eq!(x[2], 3);
+ x[1] = 45;
+ assert_eq!(x[0], 1);
+ assert_eq!(x[1], 45);
+ assert_eq!(x[2], 3);
+}