1 files changed, 11 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/source/issue-4036/one.rs b/src/tools/rustfmt/tests/source/issue-4036/one.rs
new file mode 100644
index 000000000..9f9675f51
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/issue-4036/one.rs
@@ -0,0 +1,11 @@
+// rustfmt-format_strings: true
+
+macro_rules! test {
+    () => {
+        fn from() {
+            None.expect(
+                "We asserted that `buffer.len()` is exactly `$n` so we can expect `ApInt::from_iter` to be successful.",
+            )
+        }
+    };
+}