move overflow tests from rust-fail to run-pass

1 files changed, 27 insertions, 0 deletions

diff --git a/src/test/run-pass/iter-step-overflow-debug.rs b/src/test/run-pass/iter-step-overflow-debug.rs
new file mode 100644
index 00000000000..85f7186508f
--- /dev/null
+++ b/src/test/run-pass/iter-step-overflow-debug.rs
@@ -0,0 +1,27 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -C debug_assertions=yes
+
+use std::panic;
+
+fn main() {
+    let r = panic::catch_unwind(|| {
+        let mut it = u8::max_value()..;
+        it.next().unwrap();
+    });
+    assert!(r.is_err());
+
+    let r = panic::catch_unwind(|| {
+        let mut it = i8::max_value()..;
+        it.next().unwrap();
+    });
+    assert!(r.is_err());
+}