Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/third_party/rust/darling/tests/multiple.rs b/third_party/rust/darling/tests/multiple.rs
new file mode 100644
index 0000000000..e705280633
--- /dev/null
+++ b/third_party/rust/darling/tests/multiple.rs
@@ -0,0 +1,36 @@
+#[macro_use]
+extern crate darling;
+#[macro_use]
+extern crate syn;
+#[macro_use]
+extern crate quote;
+
+use darling::FromDeriveInput;
+
+#[derive(FromDeriveInput)]
+#[darling(attributes(hello))]
+#[allow(dead_code)]
+struct Lorem {
+    ident: syn::Ident,
+    ipsum: Ipsum,
+}
+
+#[derive(FromMeta)]
+struct Ipsum {
+    #[darling(multiple)]
+    dolor: Vec<String>,
+}
+
+#[test]
+fn expand_many() {
+    let di = parse_quote! {
+        #[hello(ipsum(dolor = "Hello", dolor = "World"))]
+        pub struct Baz;
+    };
+
+    let lorem: Lorem = Lorem::from_derive_input(&di).unwrap();
+    assert_eq!(
+        lorem.ipsum.dolor,
+        vec!["Hello".to_string(), "World".to_string()]
+    );
+}