Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 32 insertions, 0 deletions

diff --git a/third_party/rust/darling/tests/defaults.rs b/third_party/rust/darling/tests/defaults.rs
new file mode 100644
index 0000000000..c6003ec4ba
--- /dev/null
+++ b/third_party/rust/darling/tests/defaults.rs
@@ -0,0 +1,32 @@
+#[macro_use]
+extern crate darling;
+#[macro_use]
+extern crate quote;
+#[macro_use]
+extern crate syn;
+
+use darling::FromDeriveInput;
+
+mod foo {
+    pub mod bar {
+        pub fn init() -> String {
+            String::from("hello")
+        }
+    }
+}
+
+#[derive(FromDeriveInput)]
+#[darling(attributes(speak))]
+pub struct SpeakerOpts {
+    #[darling(default="foo::bar::init")]
+    first_word: String,
+}
+
+#[test]
+fn path_default() {
+    let speaker: SpeakerOpts = FromDeriveInput::from_derive_input(&parse_quote! {
+        struct Foo;
+    }).expect("Unit struct with no attrs should parse");
+
+    assert_eq!(speaker.first_word, "hello");
+}
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