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-rw-r--r--tests/ui/closures/2229_closure_analysis/deep-multilevel-struct.rs50
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/deep-multilevel-struct.rs b/tests/ui/closures/2229_closure_analysis/deep-multilevel-struct.rs
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index 00000000000..3341166e22b
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+++ b/tests/ui/closures/2229_closure_analysis/deep-multilevel-struct.rs
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+// edition:2021
+
+#![feature(rustc_attrs)]
+#![allow(unused)]
+
+#[derive(Debug)]
+struct Point {
+    x: i32,
+    y: i32,
+}
+#[derive(Debug)]
+struct Line {
+    p: Point,
+    q: Point
+}
+#[derive(Debug)]
+struct Plane {
+    a: Line,
+    b: Line,
+}
+
+fn main() {
+    let mut p = Plane {
+        a: Line {
+            p: Point { x: 1,y: 2 },
+            q: Point { x: 3,y: 4 },
+        },
+        b: Line {
+            p: Point { x: 1,y: 2 },
+            q: Point { x: 3,y: 4 },
+        }
+    };
+
+    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 x = &p.a.p.x;
+        //~^ NOTE: Capturing p[(0, 0),(0, 0),(0, 0)] -> ImmBorrow
+        p.b.q.y = 9;
+        //~^ NOTE: Capturing p[(1, 0),(1, 0),(1, 0)] -> MutBorrow
+        //~| NOTE: p[] captured as MutBorrow here
+        println!("{:?}", p);
+        //~^ NOTE: Capturing p[] -> ImmBorrow
+        //~| NOTE: Min Capture p[] -> MutBorrow
+        //~| NOTE: p[] used here
+    };
+}