From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/syn/tests/test_grouping.rs | 52 +++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 third_party/rust/syn/tests/test_grouping.rs

(limited to 'third_party/rust/syn/tests/test_grouping.rs')

diff --git a/third_party/rust/syn/tests/test_grouping.rs b/third_party/rust/syn/tests/test_grouping.rs
new file mode 100644
index 0000000000..9eb7eee9b7
--- /dev/null
+++ b/third_party/rust/syn/tests/test_grouping.rs
@@ -0,0 +1,52 @@
+#[macro_use]
+mod macros;
+
+use proc_macro2::{Delimiter, Group, Literal, Punct, Spacing, TokenStream, TokenTree};
+use std::iter::FromIterator;
+use syn::Expr;
+
+#[test]
+fn test_grouping() {
+    let tokens: TokenStream = TokenStream::from_iter(vec![
+        TokenTree::Literal(Literal::i32_suffixed(1)),
+        TokenTree::Punct(Punct::new('+', Spacing::Alone)),
+        TokenTree::Group(Group::new(
+            Delimiter::None,
+            TokenStream::from_iter(vec![
+                TokenTree::Literal(Literal::i32_suffixed(2)),
+                TokenTree::Punct(Punct::new('+', Spacing::Alone)),
+                TokenTree::Literal(Literal::i32_suffixed(3)),
+            ]),
+        )),
+        TokenTree::Punct(Punct::new('*', Spacing::Alone)),
+        TokenTree::Literal(Literal::i32_suffixed(4)),
+    ]);
+
+    assert_eq!(tokens.to_string(), "1i32 + 2i32 + 3i32 * 4i32");
+
+    snapshot!(tokens as Expr, @r###"
+    Expr::Binary {
+        left: Expr::Lit {
+            lit: 1i32,
+        },
+        op: Add,
+        right: Expr::Binary {
+            left: Expr::Group {
+                expr: Expr::Binary {
+                    left: Expr::Lit {
+                        lit: 2i32,
+                    },
+                    op: Add,
+                    right: Expr::Lit {
+                        lit: 3i32,
+                    },
+                },
+            },
+            op: Mul,
+            right: Expr::Lit {
+                lit: 4i32,
+            },
+        },
+    }
+    "###);
+}
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