New upstream version 1.52.1+dfsg1

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

diff --git a/src/tools/clippy/tests/ui/single_component_path_imports.rs b/src/tools/clippy/tests/ui/single_component_path_imports.rs
new file mode 100644 (file)
index 0000000..9a427e9
--- /dev/null
+++ b/src/tools/clippy/tests/ui/single_component_path_imports.rs
@@ -0,0 +1,21 @@
+// run-rustfix
+// edition:2018
+#![warn(clippy::single_component_path_imports)]
+#![allow(unused_imports)]
+
+use regex;
+use serde as edres;
+pub use serde;
+
+macro_rules! m {
+    () => {
+        use regex;
+    };
+}
+
+fn main() {
+    regex::Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap();
+
+    // False positive #5154, shouldn't trigger lint.
+    m!();
+}