From 34e18175768bc9147f86ed44cd5f6c055468854e Mon Sep 17 00:00:00 2001 From: Cristi Cobzarenco Date: Tue, 30 Aug 2016 11:01:08 +0100 Subject: [PATCH] add test for #14875 --- src/test/run-pass/issue-14875.rs | 43 ++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/test/run-pass/issue-14875.rs diff --git a/src/test/run-pass/issue-14875.rs b/src/test/run-pass/issue-14875.rs new file mode 100644 index 0000000000000..ad19a9be76f88 --- /dev/null +++ b/src/test/run-pass/issue-14875.rs @@ -0,0 +1,43 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Check that values are not leaked when a dtor panics (#14875) + +use std::panic::{self, UnwindSafe}; + +struct SetInnerOnDrop<'a>(&'a mut bool); + +impl<'a> UnwindSafe for SetInnerOnDrop<'a> {} + +impl<'a> Drop for SetInnerOnDrop<'a> { + fn drop(&mut self) { + *self.0 = true; + } +} + +struct PanicOnDrop; +impl Drop for PanicOnDrop { + fn drop(&mut self) { + panic!("test panic"); + } +} + + +fn main() { + let mut set_on_drop = false; + { + let set_inner_on_drop = SetInnerOnDrop(&mut set_on_drop); + let _ = panic::catch_unwind(|| { + let _set_inner_on_drop = set_inner_on_drop; + let _panic_on_drop = PanicOnDrop; + }); + } + assert!(set_on_drop); +}