1 files changed, 41 insertions, 11 deletions

diff --git a/vendor/syn/tests/test_pat.rs b/vendor/syn/tests/test_pat.rs
index 695e4736e..cab7aa7f6 100644
--- a/vendor/syn/tests/test_pat.rs
+++ b/vendor/syn/tests/test_pat.rs
@@ -1,14 +1,16 @@
+#![allow(clippy::uninlined_format_args)]
+
 #[macro_use]
 mod macros;
 
 use proc_macro2::{Delimiter, Group, TokenStream, TokenTree};
 use quote::quote;
-use std::iter::FromIterator;
+use syn::parse::Parser;
 use syn::{Item, Pat, Stmt};
 
 #[test]
 fn test_pat_ident() {
-    match syn::parse2(quote!(self)).unwrap() {
+    match Pat::parse_single.parse2(quote!(self)).unwrap() {
         Pat::Ident(_) => (),
         value => panic!("expected PatIdent, got {:?}", value),
     }
@@ -16,7 +18,7 @@ fn test_pat_ident() {
 
 #[test]
 fn test_pat_path() {
-    match syn::parse2(quote!(self::CONST)).unwrap() {
+    match Pat::parse_single.parse2(quote!(self::CONST)).unwrap() {
         Pat::Path(_) => (),
         value => panic!("expected PatPath, got {:?}", value),
     }
@@ -30,7 +32,7 @@ fn test_leading_vert() {
     syn::parse_str::<Item>("fn fun1(| A: E) {}").unwrap_err();
     syn::parse_str::<Item>("fn fun2(|| A: E) {}").unwrap_err();
 
-    syn::parse_str::<Stmt>("let | () = ();").unwrap();
+    syn::parse_str::<Stmt>("let | () = ();").unwrap_err();
     syn::parse_str::<Stmt>("let (| A): E;").unwrap();
     syn::parse_str::<Stmt>("let (|| A): (E);").unwrap_err();
     syn::parse_str::<Stmt>("let (| A,): (E,);").unwrap();
@@ -46,22 +48,50 @@ fn test_leading_vert() {
 fn test_group() {
     let group = Group::new(Delimiter::None, quote!(Some(_)));
     let tokens = TokenStream::from_iter(vec![TokenTree::Group(group)]);
+    let pat = Pat::parse_single.parse2(tokens).unwrap();
 
-    snapshot!(tokens as Pat, @r###"
+    snapshot!(pat, @r###"
     Pat::TupleStruct {
         path: Path {
             segments: [
                 PathSegment {
                     ident: "Some",
-                    arguments: None,
                 },
             ],
         },
-        pat: PatTuple {
-            elems: [
-                Pat::Wild,
-            ],
-        },
+        elems: [
+            Pat::Wild,
+        ],
     }
     "###);
 }
+
+#[test]
+fn test_ranges() {
+    Pat::parse_single.parse_str("..").unwrap();
+    Pat::parse_single.parse_str("..hi").unwrap();
+    Pat::parse_single.parse_str("lo..").unwrap();
+    Pat::parse_single.parse_str("lo..hi").unwrap();
+
+    Pat::parse_single.parse_str("..=").unwrap_err();
+    Pat::parse_single.parse_str("..=hi").unwrap();
+    Pat::parse_single.parse_str("lo..=").unwrap_err();
+    Pat::parse_single.parse_str("lo..=hi").unwrap();
+
+    Pat::parse_single.parse_str("...").unwrap_err();
+    Pat::parse_single.parse_str("...hi").unwrap_err();
+    Pat::parse_single.parse_str("lo...").unwrap_err();
+    Pat::parse_single.parse_str("lo...hi").unwrap();
+
+    Pat::parse_single.parse_str("[lo..]").unwrap_err();
+    Pat::parse_single.parse_str("[..=hi]").unwrap_err();
+    Pat::parse_single.parse_str("[(lo..)]").unwrap();
+    Pat::parse_single.parse_str("[(..=hi)]").unwrap();
+    Pat::parse_single.parse_str("[lo..=hi]").unwrap();
+
+    Pat::parse_single.parse_str("[_, lo.., _]").unwrap_err();
+    Pat::parse_single.parse_str("[_, ..=hi, _]").unwrap_err();
+    Pat::parse_single.parse_str("[_, (lo..), _]").unwrap();
+    Pat::parse_single.parse_str("[_, (..=hi), _]").unwrap();
+    Pat::parse_single.parse_str("[_, lo..=hi, _]").unwrap();
+}