New upstream version 1.52.1+dfsg1

[rustc.git] / vendor / thiserror / tests / test_error.rs

diff --git a/vendor/thiserror/tests/test_error.rs b/vendor/thiserror/tests/test_error.rs
new file mode 100644 (file)
index 0000000..ece7f91
--- /dev/null
+++ b/vendor/thiserror/tests/test_error.rs
@@ -0,0 +1,57 @@
+#![deny(clippy::all, clippy::pedantic)]
+#![allow(dead_code)]
+
+use std::fmt::{self, Display};
+use std::io;
+use thiserror::Error;
+
+macro_rules! unimplemented_display {
+    ($ty:ty) => {
+        impl Display for $ty {
+            fn fmt(&self, _formatter: &mut fmt::Formatter) -> fmt::Result {
+                unimplemented!()
+            }
+        }
+    };
+}
+
+#[derive(Error, Debug)]
+struct BracedError {
+    msg: String,
+    pos: usize,
+}
+
+#[derive(Error, Debug)]
+struct TupleError(String, usize);
+
+#[derive(Error, Debug)]
+struct UnitError;
+
+#[derive(Error, Debug)]
+struct WithSource {
+    #[source]
+    cause: io::Error,
+}
+
+#[derive(Error, Debug)]
+struct WithAnyhow {
+    #[source]
+    cause: anyhow::Error,
+}
+
+#[derive(Error, Debug)]
+enum EnumError {
+    Braced {
+        #[source]
+        cause: io::Error,
+    },
+    Tuple(#[source] io::Error),
+    Unit,
+}
+
+unimplemented_display!(BracedError);
+unimplemented_display!(TupleError);
+unimplemented_display!(UnitError);
+unimplemented_display!(WithSource);
+unimplemented_display!(WithAnyhow);
+unimplemented_display!(EnumError);