3 files changed, 48 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/issue-3665/lib.rs b/src/tools/rustfmt/tests/target/issue-3665/lib.rs
new file mode 100644
index 000000000..c313f3203
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-3665/lib.rs
@@ -0,0 +1,31 @@
+#![rustfmt::skip::attributes(skip_mod_attr)]
+
+mod sub_mod;
+
+#[rustfmt::skip::attributes(other, skip_attr)]
+fn main() {
+    #[other(should,
+skip,
+        this,                               format)]
+    struct S {}
+
+    #[skip_attr(should, skip,
+this,                               format,too)]
+    fn doesnt_mater() {}
+
+    #[skip_mod_attr(should, skip,
+this,                               format,
+         enerywhere)]
+    fn more() {}
+
+    #[not_skip(not, skip, me)]
+    struct B {}
+}
+
+#[other(should, not, skip, this, format, here)]
+fn foo() {}
+
+#[skip_mod_attr(should, skip,
+this,                               format,in,                    master,
+                    and, sub, module)]
+fn bar() {}
diff --git a/src/tools/rustfmt/tests/target/issue-3665/not_skip_attribute.rs b/src/tools/rustfmt/tests/target/issue-3665/not_skip_attribute.rs
new file mode 100644
index 000000000..a4e8b9487
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-3665/not_skip_attribute.rs
@@ -0,0 +1,4 @@
+#![this::is::not::skip::attribute(ouch)]
+
+#[ouch(not, skip, me)]
+fn main() {}
diff --git a/src/tools/rustfmt/tests/target/issue-3665/sub_mod.rs b/src/tools/rustfmt/tests/target/issue-3665/sub_mod.rs
new file mode 100644
index 000000000..30a2b0fd9
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-3665/sub_mod.rs
@@ -0,0 +1,13 @@
+#[rustfmt::skip::attributes(more_skip)]
+#[more_skip(should,
+      skip,
+this,                               format)]
+fn foo() {}
+
+#[skip_mod_attr(should, skip,
+this,                               format,in,                    master,
+                    and, sub, module)]
+fn bar() {}
+
+#[skip_attr(should, not, skip, this, attribute, here)]
+fn baz() {}