Make sure we don't lose default struct value when formatting struct

1 files changed, 18 insertions, 0 deletions

diff --git a/src/tools/rustfmt/tests/source/default-field-values.rs b/src/tools/rustfmt/tests/source/default-field-values.rs
new file mode 100644
index 00000000000..622f9640d0d
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/default-field-values.rs
@@ -0,0 +1,18 @@
+#![feature(default_struct_values)]
+
+// Test for now that nightly default field values are left alone for now.
+
+struct Foo {
+    default_field:    Spacing =    /* uwu */ 0,
+}
+
+struct Foo2 {
+    #[rustfmt::skip]
+    default_field:    Spacing =    /* uwu */ 0,
+}
+
+a_macro!(
+    struct Foo2 {
+        default_field:    Spacing =    /* uwu */ 0,
+    }
+);