1 files changed, 77 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/destructure_patterns.rs b/tests/ui/closures/2229_closure_analysis/destructure_patterns.rs
new file mode 100644
index 00000000000..6c65a7bf87b
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/destructure_patterns.rs
@@ -0,0 +1,77 @@
+// edition:2021
+
+#![feature(rustc_attrs)]
+
+// Test to ensure Index projections are handled properly during capture analysis
+// The array should be moved in entirety, even though only some elements are used.
+fn arrays() {
+    let arr: [String; 5] = [format!("A"), format!("B"), format!("C"), format!("D"), format!("E")];
+
+    let c = #[rustc_capture_analysis]
+    //~^ ERROR: attributes on expressions are experimental
+    //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
+    || {
+    //~^ ERROR: First Pass analysis includes:
+    //~| ERROR: Min Capture analysis includes:
+        let [a, b, .., e] = arr;
+        //~^ NOTE: Capturing arr[Index] -> ByValue
+        //~| NOTE: Capturing arr[Index] -> ByValue
+        //~| NOTE: Capturing arr[Index] -> ByValue
+        //~| NOTE: Min Capture arr[] -> ByValue
+        assert_eq!(a, "A");
+        assert_eq!(b, "B");
+        assert_eq!(e, "E");
+    };
+
+    c();
+}
+
+struct Point {
+    x: i32,
+    y: i32,
+    id: String,
+}
+
+fn structs() {
+    let mut p = Point { x: 10, y: 10, id: String::new() };
+
+    let c = #[rustc_capture_analysis]
+    //~^ ERROR: attributes on expressions are experimental
+    //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
+    || {
+    //~^ ERROR: First Pass analysis includes:
+    //~| ERROR: Min Capture analysis includes:
+        let Point { x: ref mut x, y: _, id: moved_id } = p;
+        //~^ NOTE: Capturing p[(0, 0)] -> MutBorrow
+        //~| NOTE: Capturing p[(2, 0)] -> ByValue
+        //~| NOTE: Min Capture p[(0, 0)] -> MutBorrow
+        //~| NOTE: Min Capture p[(2, 0)] -> ByValue
+
+        println!("{}, {}", x, moved_id);
+    };
+    c();
+}
+
+fn tuples() {
+    let mut t = (10, String::new(), (String::new(), 42));
+
+    let c = #[rustc_capture_analysis]
+    //~^ ERROR: attributes on expressions are experimental
+    //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
+    || {
+    //~^ ERROR: First Pass analysis includes:
+    //~| ERROR: Min Capture analysis includes:
+        let (ref mut x, ref ref_str, (moved_s, _)) = t;
+        //~^ NOTE: Capturing t[(0, 0)] -> MutBorrow
+        //~| NOTE: Capturing t[(1, 0)] -> ImmBorrow
+        //~| NOTE: Capturing t[(2, 0),(0, 0)] -> ByValue
+        //~| NOTE: Min Capture t[(0, 0)] -> MutBorrow
+        //~| NOTE: Min Capture t[(1, 0)] -> ImmBorrow
+        //~| NOTE: Min Capture t[(2, 0),(0, 0)] -> ByValue
+
+        println!("{}, {} {}", x, ref_str, moved_s);
+    };
+    c();
+}
+
+fn main() {}