From 996bc6b76a4830dfb0a1f28ee62f5d8b17febbac Mon Sep 17 00:00:00 2001
From: Robert O'Callahan <robert@ocallahan.org>
Date: Mon, 21 Aug 2017 15:07:37 +1200
Subject: Expose `from_raw` on `WaitStatus` and make it return a `Result`

---
 test/sys/test_wait.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test/sys')

diff --git a/test/sys/test_wait.rs b/test/sys/test_wait.rs
index 44a111a3..02f32734 100644
--- a/test/sys/test_wait.rs
+++ b/test/sys/test_wait.rs
@@ -1,3 +1,4 @@
+use nix::Error;
 use nix::unistd::*;
 use nix::unistd::ForkResult::*;
 use nix::sys::signal::*;
@@ -37,6 +38,14 @@ fn test_wait_exit() {
     }
 }
 
+#[test]
+fn test_waitstatus_from_raw() {
+    let pid = Pid::from_raw(1);
+    assert_eq!(WaitStatus::from_raw(pid, 0x0002), Ok(WaitStatus::Signaled(pid, Signal::SIGINT, false)));
+    assert_eq!(WaitStatus::from_raw(pid, 0x0200), Ok(WaitStatus::Exited(pid, 2)));
+    assert_eq!(WaitStatus::from_raw(pid, 0x7f7f), Err(Error::invalid_argument()));
+}
+
 #[test]
 fn test_waitstatus_pid() {
     let _m = ::FORK_MTX.lock().expect("Mutex got poisoned by another test");
-- 
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