From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/syn/tests/test_grouping.rs | 53 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 vendor/syn/tests/test_grouping.rs (limited to 'vendor/syn/tests/test_grouping.rs') diff --git a/vendor/syn/tests/test_grouping.rs b/vendor/syn/tests/test_grouping.rs new file mode 100644 index 0000000..6a73a92 --- /dev/null +++ b/vendor/syn/tests/test_grouping.rs @@ -0,0 +1,53 @@ +#![allow(clippy::uninlined_format_args)] + +#[macro_use] +mod macros; + +use proc_macro2::{Delimiter, Group, Literal, Punct, Spacing, TokenStream, TokenTree}; +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: BinOp::Add, + right: Expr::Binary { + left: Expr::Group { + expr: Expr::Binary { + left: Expr::Lit { + lit: 2i32, + }, + op: BinOp::Add, + right: Expr::Lit { + lit: 3i32, + }, + }, + }, + op: BinOp::Mul, + right: Expr::Lit { + lit: 4i32, + }, + }, + } + "###); +} -- cgit v1.2.3