1 files changed, 24 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/iter_next_slice.rs b/src/tools/clippy/tests/ui/iter_next_slice.rs
new file mode 100644
index 000000000..5195f1c86
--- /dev/null
+++ b/src/tools/clippy/tests/ui/iter_next_slice.rs
@@ -0,0 +1,24 @@
+// run-rustfix
+#![warn(clippy::iter_next_slice)]
+
+fn main() {
+    // test code goes here
+    let s = [1, 2, 3];
+    let v = vec![1, 2, 3];
+
+    let _ = s.iter().next();
+    // Should be replaced by s.first()
+
+    let _ = s[2..].iter().next();
+    // Should be replaced by s.get(2)
+
+    let _ = v[5..].iter().next();
+    // Should be replaced by v.get(5)
+
+    let _ = v.iter().next();
+    // Should be replaced by v.first()
+
+    let o = Some(5);
+    o.iter().next();
+    // Shouldn't be linted since this is not a Slice or an Array
+}