| bstrie | 7b4f52d | 2019-04-30 18:44:21 -0400 | [diff] [blame] | 1 | extern crate proc_macro2; |
| 2 | extern crate syn; |
| 3 | |
| 4 | use std::str::FromStr; |
| 5 | |
| 6 | use proc_macro2::TokenStream; |
| David Tolnay | 35c8653 | 2019-05-07 21:54:43 -0700 | [diff] [blame^] | 7 | use syn::{Expr, ExprRange}; |
| bstrie | 7b4f52d | 2019-04-30 18:44:21 -0400 | [diff] [blame] | 8 | |
| 9 | #[test] |
| 10 | fn test_expr_parse() { |
| bstrie | 7b4f52d | 2019-04-30 18:44:21 -0400 | [diff] [blame] | 11 | let code = "..100u32"; |
| bstrie | b7f8aaf | 2019-04-30 20:20:25 -0400 | [diff] [blame] | 12 | let tt = TokenStream::from_str(code).unwrap(); |
| David Tolnay | 35c8653 | 2019-05-07 21:54:43 -0700 | [diff] [blame^] | 13 | let ast1: Expr = syn::parse2(tt.clone()).unwrap(); |
| 14 | let ast2: ExprRange = syn::parse2(tt).unwrap(); |
| bstrie | b7f8aaf | 2019-04-30 20:20:25 -0400 | [diff] [blame] | 15 | assert_eq!(ast1, Expr::Range(ast2)); |
| bstrie | 7b4f52d | 2019-04-30 18:44:21 -0400 | [diff] [blame] | 16 | } |