Update and add more tests

rust-lang · Sep 24, 2021 · dd91804 · dd91804
1 parent 3893656
commit dd91804
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Showing 5 changed files with 118 additions and 65 deletions.
diff --git a/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs b/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.rs
@@ -3,6 +3,9 @@
 // Tests that in cases where we individually capture all the fields of a type,
 // we still drop them in the order they would have been dropped in the 2018 edition.
 
+// NOTE: It is *critical* that the order of the min capture NOTES in the stderr output
+//       does *not* change!
+
 #![feature(rustc_attrs)]
 
 #[derive(Debug)]
@@ -21,21 +24,21 @@ fn test_one() {
     //~^ 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:
+        //~^ ERROR: Min Capture analysis includes:
+        //~| ERROR
         println!("{:?}", a.0);
-        //~^ NOTE: Capturing a[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", a.1);
-        //~^ NOTE: Capturing a[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~| NOTE
 
         println!("{:?}", b.0);
-        //~^ NOTE: Capturing b[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", b.1);
-        //~^ NOTE: Capturing b[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~| NOTE
     };
 }
 
@@ -47,21 +50,21 @@ fn test_two() {
     //~^ 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:
+        //~^ ERROR: Min Capture analysis includes:
+        //~| ERROR
         println!("{:?}", a.1);
-        //~^ NOTE: Capturing a[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", a.0);
-        //~^ NOTE: Capturing a[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~| NOTE
 
         println!("{:?}", b.1);
-        //~^ NOTE: Capturing b[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", b.0);
-        //~^ NOTE: Capturing b[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~| NOTE
     };
 }
 
@@ -73,21 +76,21 @@ fn test_three() {
     //~^ 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:
+        //~^ ERROR: Min Capture analysis includes:
+        //~| ERROR
         println!("{:?}", b.1);
-        //~^ NOTE: Capturing b[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(1, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", a.1);
-        //~^ NOTE: Capturing a[(1, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(1, 0)] -> ImmBorrow
+        //~| NOTE
         println!("{:?}", a.0);
-        //~^ NOTE: Capturing a[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture a[(0, 0)] -> ImmBorrow
+        //~| NOTE
 
         println!("{:?}", b.0);
-        //~^ NOTE: Capturing b[(0, 0)] -> ImmBorrow
-        //~| NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~^ NOTE: Min Capture b[(0, 0)] -> ImmBorrow
+        //~| NOTE
     };
 }
 

diff --git a/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.stderr b/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order.stderr
@@ -1,5 +1,5 @@
 error[E0658]: attributes on expressions are experimental
-  --> $DIR/preserve_field_drop_order.rs:20:13
+  --> $DIR/preserve_field_drop_order.rs:23:13
    |
 LL |     let c = #[rustc_capture_analysis]
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -8,7 +8,7 @@ LL |     let c = #[rustc_capture_analysis]
    = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
 
 error[E0658]: attributes on expressions are experimental
-  --> $DIR/preserve_field_drop_order.rs:46:13
+  --> $DIR/preserve_field_drop_order.rs:49:13
    |
 LL |     let c = #[rustc_capture_analysis]
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -17,7 +17,7 @@ LL |     let c = #[rustc_capture_analysis]
    = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
 
 error[E0658]: attributes on expressions are experimental
-  --> $DIR/preserve_field_drop_order.rs:72:13
+  --> $DIR/preserve_field_drop_order.rs:75:13
    |
 LL |     let c = #[rustc_capture_analysis]
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -26,7 +26,7 @@ LL |     let c = #[rustc_capture_analysis]
    = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
 
 error: First Pass analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:23:5
+  --> $DIR/preserve_field_drop_order.rs:26:5
    |
 LL | /     || {
 LL | |
@@ -38,28 +38,28 @@ LL | |     };
    | |_____^
    |
 note: Capturing a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:26:26
+  --> $DIR/preserve_field_drop_order.rs:29:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Capturing a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:29:26
+  --> $DIR/preserve_field_drop_order.rs:32:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^
 note: Capturing b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:33:26
+  --> $DIR/preserve_field_drop_order.rs:36:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 note: Capturing b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:36:26
+  --> $DIR/preserve_field_drop_order.rs:39:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 
 error: Min Capture analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:23:5
+  --> $DIR/preserve_field_drop_order.rs:26:5
    |
 LL | /     || {
 LL | |
@@ -71,28 +71,28 @@ LL | |     };
    | |_____^
    |
 note: Min Capture a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:26:26
+  --> $DIR/preserve_field_drop_order.rs:29:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Min Capture a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:29:26
+  --> $DIR/preserve_field_drop_order.rs:32:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^
 note: Min Capture b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:33:26
+  --> $DIR/preserve_field_drop_order.rs:36:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 note: Min Capture b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:36:26
+  --> $DIR/preserve_field_drop_order.rs:39:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 
 error: First Pass analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:49:5
+  --> $DIR/preserve_field_drop_order.rs:52:5
    |
 LL | /     || {
 LL | |
@@ -104,28 +104,28 @@ LL | |     };
    | |_____^
    |
 note: Capturing a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:52:26
+  --> $DIR/preserve_field_drop_order.rs:55:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^
 note: Capturing a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:55:26
+  --> $DIR/preserve_field_drop_order.rs:58:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Capturing b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:59:26
+  --> $DIR/preserve_field_drop_order.rs:62:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 note: Capturing b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:62:26
+  --> $DIR/preserve_field_drop_order.rs:65:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 
 error: Min Capture analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:49:5
+  --> $DIR/preserve_field_drop_order.rs:52:5
    |
 LL | /     || {
 LL | |
@@ -137,28 +137,28 @@ LL | |     };
    | |_____^
    |
 note: Min Capture a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:55:26
+  --> $DIR/preserve_field_drop_order.rs:58:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Min Capture a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:52:26
+  --> $DIR/preserve_field_drop_order.rs:55:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^
 note: Min Capture b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:62:26
+  --> $DIR/preserve_field_drop_order.rs:65:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 note: Min Capture b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:59:26
+  --> $DIR/preserve_field_drop_order.rs:62:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 
 error: First Pass analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:75:5
+  --> $DIR/preserve_field_drop_order.rs:78:5
    |
 LL | /     || {
 LL | |
@@ -170,28 +170,28 @@ LL | |     };
    | |_____^
    |
 note: Capturing b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:78:26
+  --> $DIR/preserve_field_drop_order.rs:81:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 note: Capturing a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:81:26
+  --> $DIR/preserve_field_drop_order.rs:84:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^
 note: Capturing a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:84:26
+  --> $DIR/preserve_field_drop_order.rs:87:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Capturing b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:88:26
+  --> $DIR/preserve_field_drop_order.rs:91:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 
 error: Min Capture analysis includes:
-  --> $DIR/preserve_field_drop_order.rs:75:5
+  --> $DIR/preserve_field_drop_order.rs:78:5
    |
 LL | /     || {
 LL | |
@@ -203,22 +203,22 @@ LL | |     };
    | |_____^
    |
 note: Min Capture b[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:88:26
+  --> $DIR/preserve_field_drop_order.rs:91:26
    |
 LL |         println!("{:?}", b.0);
    |                          ^^^
 note: Min Capture b[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:78:26
+  --> $DIR/preserve_field_drop_order.rs:81:26
    |
 LL |         println!("{:?}", b.1);
    |                          ^^^
 note: Min Capture a[(0, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:84:26
+  --> $DIR/preserve_field_drop_order.rs:87:26
    |
 LL |         println!("{:?}", a.0);
    |                          ^^^
 note: Min Capture a[(1, 0)] -> ImmBorrow
-  --> $DIR/preserve_field_drop_order.rs:81:26
+  --> $DIR/preserve_field_drop_order.rs:84:26
    |
 LL |         println!("{:?}", a.1);
    |                          ^^^

diff --git a/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order2.rs b/src/test/ui/closures/2229_closure_analysis/preserve_field_drop_order2.rs
@@ -5,7 +5,7 @@
 // [twenty_twentyone]compile-flags: --edition 2021
 
 #[derive(Debug)]
-struct Dropable(String);
+struct Dropable(&'static str);
 
 impl Drop for Dropable {
     fn drop(&mut self) {
@@ -19,10 +19,40 @@ struct A {
     y: Dropable,
 }
 
+#[derive(Debug)]
+struct B {
+    c: A,
+    d: A,
+}
+
+#[derive(Debug)]
+struct R<'a> {
+    c: &'a A,
+    d: &'a A,
+}
+
 fn main() {
-    let a = A { x: Dropable(format!("x")), y: Dropable(format!("y")) };
+    let a = A { x: Dropable("x"), y: Dropable("y") };
 
     let c = move || println!("{:?} {:?}", a.y, a.x);
 
     c();
+
+    let b = B {
+        c: A { x: Dropable("b.c.x"), y: Dropable("b.c.y") },
+        d: A { x: Dropable("b.d.x"), y: Dropable("b.d.y") },
+    };
+
+    let d = move || println!("{:?} {:?} {:?} {:?}", b.d.y, b.d.x, b.c.y, b.c.x);
+
+    d();
+
+        let r = R {
+        c: &A { x: Dropable("r.c.x"), y: Dropable("r.c.y") },
+        d: &A { x: Dropable("r.d.x"), y: Dropable("r.d.y") },
+    };
+
+    let e = move || println!("{:?} {:?} {:?} {:?}", r.d.y, r.d.x, r.c.y, r.c.x);
+
+    e();
 }