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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/tools/clippy/tests/ui/unwrap_expect_used.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/unwrap_expect_used.rs')
-rw-r--r--src/tools/clippy/tests/ui/unwrap_expect_used.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unwrap_expect_used.rs b/src/tools/clippy/tests/ui/unwrap_expect_used.rs
new file mode 100644
index 000000000..9f27fef82
--- /dev/null
+++ b/src/tools/clippy/tests/ui/unwrap_expect_used.rs
@@ -0,0 +1,35 @@
+#![warn(clippy::unwrap_used, clippy::expect_used)]
+
+trait OptionExt {
+ type Item;
+
+ fn unwrap_err(self) -> Self::Item;
+
+ fn expect_err(self, msg: &str) -> Self::Item;
+}
+
+impl<T> OptionExt for Option<T> {
+ type Item = T;
+ fn unwrap_err(self) -> T {
+ panic!();
+ }
+
+ fn expect_err(self, msg: &str) -> T {
+ panic!();
+ }
+}
+
+fn main() {
+ Some(3).unwrap();
+ Some(3).expect("Hello world!");
+
+ // Don't trigger on unwrap_err on an option
+ Some(3).unwrap_err();
+ Some(3).expect_err("Hellow none!");
+
+ let a: Result<i32, i32> = Ok(3);
+ a.unwrap();
+ a.expect("Hello world!");
+ a.unwrap_err();
+ a.expect_err("Hello error!");
+}