1 files changed, 21 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/issue-3987/format_macro_bodies_true.rs b/src/tools/rustfmt/tests/target/issue-3987/format_macro_bodies_true.rs
new file mode 100644
index 000000000..88d57159c
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-3987/format_macro_bodies_true.rs
@@ -0,0 +1,21 @@
+// rustfmt-format_macro_bodies: true
+
+// with comments
+macro_rules! macros {
+    () => {{
+        Struct {
+            field: (
+                42 + //comment 1
+                42
+                //comment 2
+            ),
+        };
+    }};
+}
+
+// without comments
+macro_rules! macros {
+    () => {{
+        Struct { field: (42 + 42) };
+    }};
+}