New upstream version 1.52.1+dfsg1

[rustc.git] / src / tools / clippy / tests / ui / option_env_unwrap.rs

diff --git a/src/tools/clippy/tests/ui/option_env_unwrap.rs b/src/tools/clippy/tests/ui/option_env_unwrap.rs
new file mode 100644 (file)
index 0000000..642c774
--- /dev/null
+++ b/src/tools/clippy/tests/ui/option_env_unwrap.rs
@@ -0,0 +1,23 @@
+// aux-build:macro_rules.rs
+#![warn(clippy::option_env_unwrap)]
+
+#[macro_use]
+extern crate macro_rules;
+
+macro_rules! option_env_unwrap {
+    ($env: expr) => {
+        option_env!($env).unwrap()
+    };
+    ($env: expr, $message: expr) => {
+        option_env!($env).expect($message)
+    };
+}
+
+fn main() {
+    let _ = option_env!("PATH").unwrap();
+    let _ = option_env!("PATH").expect("environment variable PATH isn't set");
+    let _ = option_env_unwrap!("PATH");
+    let _ = option_env_unwrap!("PATH", "environment variable PATH isn't set");
+    let _ = option_env_unwrap_external!("PATH");
+    let _ = option_env_unwrap_external!("PATH", "environment variable PATH isn't set");
+}