1 files changed, 36 insertions, 12 deletions
diff --git a/src/tools/clippy/tests/ui/unicode.rs b/src/tools/clippy/tests/ui/unicode.rs
index 7828d6bcb..6ad0b255b 100644
--- a/src/tools/clippy/tests/ui/unicode.rs
+++ b/src/tools/clippy/tests/ui/unicode.rs
@@ -1,4 +1,7 @@
 // run-rustfix
+// compile-flags: --test
+#![allow(dead_code)]
+
 #[warn(clippy::invisible_characters)]
 fn zero() {
     print!("Here >< is a ZWS, and another");
@@ -15,22 +18,43 @@ fn canon() {
     print!("a\u{0300}h?"); // also ok
 }
 
-#[warn(clippy::non_ascii_literal)]
-fn uni() {
-    print!("Üben!");
-    print!("\u{DC}ben!"); // this is ok
-}
+mod non_ascii_literal {
+    #![deny(clippy::non_ascii_literal)]
+
+    fn uni() {
+        print!("Üben!");
+        print!("\u{DC}ben!"); // this is ok
+    }
+
+    // issue 8013
+    fn single_quote() {
+        const _EMPTY_BLOCK: char = '▱';
+        const _FULL_BLOCK: char = '▰';
+    }
+
+    #[test]
+    pub fn issue_7739() {
+        // Ryū crate: https://github.com/dtolnay/ryu
+    }
+
+    mod issue_8263 {
+        #![deny(clippy::non_ascii_literal)]
+
+        // Re-allow for a single test
+        #[test]
+        #[allow(clippy::non_ascii_literal)]
+        fn allowed() {
+            let _ = "悲しいかな、ここに日本語を書くことはできない。";
+        }
 
-// issue 8013
-#[warn(clippy::non_ascii_literal)]
-fn single_quote() {
-    const _EMPTY_BLOCK: char = '▱';
-    const _FULL_BLOCK: char = '▰';
+        #[test]
+        fn denied() {
+            let _ = "悲しいかな、ここに日本語を書くことはできない。";
+        }
+    }
 }
 
 fn main() {
     zero();
-    uni();
     canon();
-    single_quote();
 }