moved renamed docs formatted | log-knows-the-names-of-variants.rs

Author: Kivooeo

tests/ui/derives/derive-Debug-enum-variants.rs

@@ -1,21 +1,30 @@
+//! Test that `#[derive(Debug)]` for enums correctly formats variant names.
+
 //@ run-pass
 
-#![allow(non_camel_case_types)]
-#![allow(dead_code)]
 #[derive(Debug)]
-enum foo {
-  a(usize),
-  b(String),
-  c,
+enum Foo {
+    A(usize),
+    C,
 }
 
 #[derive(Debug)]
-enum bar {
-  d, e, f
+enum Bar {
+    D,
 }
 
 pub fn main() {
-    assert_eq!("a(22)".to_string(), format!("{:?}", foo::a(22)));
-    assert_eq!("c".to_string(), format!("{:?}", foo::c));
-    assert_eq!("d".to_string(), format!("{:?}", bar::d));
+    // Test variant with data
+    let foo_a = Foo::A(22);
+    assert_eq!("A(22)".to_string(), format!("{:?}", foo_a));
+
+    if let Foo::A(value) = foo_a {
+        println!("Value: {}", value); // This needs to remove #[allow(dead_code)]
+    }
+
+    // Test unit variant
+    assert_eq!("C".to_string(), format!("{:?}", Foo::C));
+
+    // Test unit variant from different enum
+    assert_eq!("D".to_string(), format!("{:?}", Bar::D));
 }