Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 49 insertions, 0 deletions

diff --git a/third_party/rust/darling/tests/unsupported_attributes.rs b/third_party/rust/darling/tests/unsupported_attributes.rs
new file mode 100644
index 0000000000..14edf2c858
--- /dev/null
+++ b/third_party/rust/darling/tests/unsupported_attributes.rs
@@ -0,0 +1,49 @@
+use darling::FromDeriveInput;
+use syn::{parse_quote, Ident, LitStr, Path};
+
+#[derive(Debug, FromDeriveInput)]
+#[darling(supports(struct_unit), attributes(bar))]
+pub struct Bar {
+    pub ident: Ident,
+    pub st: Path,
+    pub file: LitStr,
+}
+
+/// Per [#96](https://github.com/TedDriggs/darling/issues/96), make sure that an
+/// attribute which isn't a valid meta gets an error.
+#[test]
+fn non_meta_attribute_gets_own_error() {
+    let di = parse_quote! {
+        #[derive(Bar)]
+        #[bar(file = "motors/example_6.csv", st = RocketEngine)]
+        pub struct EstesC6;
+    };
+
+    let errors: darling::Error = Bar::from_derive_input(&di).unwrap_err().flatten();
+    // The number of errors here is 1 for the bad attribute + 2 for the missing fields
+    assert_eq!(3, errors.len());
+    // Make sure one of the errors propagates the syn error
+    assert!(errors
+        .into_iter()
+        .any(|e| e.to_string().contains("expected lit")));
+}
+
+/// Properties can be split across multiple attributes; this test ensures that one
+/// non-meta attribute does not interfere with the parsing of other, well-formed attributes.
+#[test]
+fn non_meta_attribute_does_not_block_others() {
+    let di = parse_quote! {
+        #[derive(Bar)]
+        #[bar(st = RocketEngine)]
+        #[bar(file = "motors/example_6.csv")]
+        pub struct EstesC6;
+    };
+
+    let errors: darling::Error = Bar::from_derive_input(&di).unwrap_err().flatten();
+    // The number of errors here is 1 for the bad attribute + 1 for the missing "st" field
+    assert_eq!(2, errors.len());
+    // Make sure one of the errors propagates the syn error
+    assert!(errors
+        .into_iter()
+        .any(|e| e.to_string().contains("expected lit")));
+}