moved & deleted tests

opeq.rs was removed as duplicating test logic in other tests

2 files changed, 38 insertions, 0 deletions

diff --git a/tests/ui/closures/fnonce-call-twice-error.rs b/tests/ui/closures/fnonce-call-twice-error.rs
new file mode 100644
index 00000000000..3fd8c5cadca
--- /dev/null
+++ b/tests/ui/closures/fnonce-call-twice-error.rs
@@ -0,0 +1,17 @@
+// Testing guarantees provided by once functions.
+// This program would segfault if it were legal.
+
+use std::sync::Arc;
+
+fn foo<F:FnOnce()>(blk: F) {
+    blk();
+    blk(); //~ ERROR use of moved value
+}
+
+fn main() {
+    let x = Arc::new(true);
+    foo(move|| {
+        assert!(*x);
+        drop(x);
+    });
+}
diff --git a/tests/ui/closures/fnonce-call-twice-error.stderr b/tests/ui/closures/fnonce-call-twice-error.stderr
new file mode 100644
index 00000000000..42697374115
--- /dev/null
+++ b/tests/ui/closures/fnonce-call-twice-error.stderr
@@ -0,0 +1,21 @@
+error[E0382]: use of moved value: `blk`
+  --> $DIR/once-cant-call-twice-on-heap.rs:8:5
+   |
+LL | fn foo<F:FnOnce()>(blk: F) {
+   |                    --- move occurs because `blk` has type `F`, which does not implement the `Copy` trait
+LL |     blk();
+   |     ----- `blk` moved due to this call
+LL |     blk();
+   |     ^^^ value used here after move
+   |
+note: `FnOnce` closures can only be called once
+  --> $DIR/once-cant-call-twice-on-heap.rs:6:10
+   |
+LL | fn foo<F:FnOnce()>(blk: F) {
+   |          ^^^^^^^^ `F` is made to be an `FnOnce` closure here
+LL |     blk();
+   |     ----- this value implements `FnOnce`, which causes it to be moved when called
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0382`.