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-rw-r--r--tests/ui/proc-macro/auxiliary/expand-with-a-macro.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/expand-with-a-macro.rs b/tests/ui/proc-macro/auxiliary/expand-with-a-macro.rs
new file mode 100644
index 00000000000..d779d57af14
--- /dev/null
+++ b/tests/ui/proc-macro/auxiliary/expand-with-a-macro.rs
@@ -0,0 +1,22 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+#![deny(warnings)]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(A)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    let input = input.to_string();
+    assert!(input.contains("struct A ;"));
+    r#"
+        impl A {
+            fn a(&self) {
+                panic!("hello");
+            }
+        }
+    "#.parse().unwrap()
+}