1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs b/src/test/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs
new file mode 100644
index 000000000..01860adaa
--- /dev/null
+++ b/src/test/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs
@@ -0,0 +1,26 @@
+// compile-flags: --test
+// ignore-tidy-linelength
+// run-pass
+
+#![feature(core_intrinsics, generic_assert, generic_assert_internals)]
+
+use std::fmt::{Debug, Formatter};
+
+#[derive(Clone, Copy, PartialEq)]
+struct CopyDebug(i32);
+
+impl Debug for CopyDebug {
+  fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
+    f.write_str("With great power comes great electricity bills")
+  }
+}
+
+#[should_panic(expected = "Assertion failed: copy_debug == CopyDebug(3)\nWith captures:\n  copy_debug = With great power comes great electricity bills\n")]
+#[test]
+fn test() {
+  let copy_debug = CopyDebug(1);
+  assert!(copy_debug == CopyDebug(3));
+}
+
+fn main() {
+}