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unwrap the Option to access the backtrace #298

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unwrap the Option to access the backtrace #298

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14 changes: 10 additions & 4 deletions failure_derive/tests/wraps.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,11 @@ fn wrap_backtrace_error() {
.and_then(|err| err.downcast_ref::<io::Error>())
.is_some());
assert!(err.backtrace().is_some());
assert!(err.backtrace().is_empty());
assert_eq!(err.backtrace().is_empty(), err.backtrace().to_string().trim().is_empty());
assert!(err.backtrace().unwrap().is_empty());
assert_eq!(
err.backtrace().unwrap().is_empty(),
err.backtrace().unwrap().to_string().trim().is_empty()
);
}

#[derive(Fail, Debug)]
Expand Down Expand Up @@ -93,6 +96,9 @@ fn wrap_enum_error() {
.and_then(|err| err.downcast_ref::<fmt::Error>())
.is_some());
assert!(err.backtrace().is_some());
assert!(err.backtrace().is_empty());
assert_eq!(err.backtrace().is_empty(), err.backtrace().to_string().trim().is_empty());
assert!(err.backtrace().unwrap().is_empty());
assert_eq!(
err.backtrace().unwrap().is_empty(),
err.backtrace().unwrap().to_string().trim().is_empty()
);
}