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-rw-r--r--tests/ui/generator/panic-safe.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/generator/panic-safe.rs b/tests/ui/generator/panic-safe.rs
new file mode 100644
index 000000000..3db80bb58
--- /dev/null
+++ b/tests/ui/generator/panic-safe.rs
@@ -0,0 +1,30 @@
+// run-pass
+// needs-unwind
+
+
+#![feature(generators, generator_trait)]
+
+use std::ops::Generator;
+use std::pin::Pin;
+use std::panic;
+
+fn main() {
+ let mut foo = || {
+ if true {
+ panic!();
+ }
+ yield;
+ };
+
+ let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
+ Pin::new(&mut foo).resume(())
+ }));
+ assert!(res.is_err());
+
+ for _ in 0..10 {
+ let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
+ Pin::new(&mut foo).resume(())
+ }));
+ assert!(res.is_err());
+ }
+}