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Add test for idents incl. raw idents

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This commit is contained in:
Amos Wenger 2022-07-21 18:48:19 +02:00
parent 9cf99a9c71
commit 941416a1d6
2 changed files with 25 additions and 1 deletions
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15
crates/proc-macro-srv/src/tests/mod.rs
View file

@ -84,6 +84,20 @@ fn test_fn_like_mk_literals() {
);
}
#[test]
fn test_fn_like_mk_idents() {
// FIXME: this test is wrong: raw should be 'r#raw' but ABIs 1.64 and below
// simply ignore `is_raw` when implementing the `Ident` interface.
assert_expand(
"fn_like_mk_idents",
r#""#,
expect![[r#"
SUBTREE $
IDENT standard 4294967295
IDENT raw 4294967295"#]],
);
}
#[test]
fn test_fn_like_macro_clone_literals() {
assert_expand(
@ -134,6 +148,7 @@ fn list_test_macros() {
fn_like_error [FuncLike]
fn_like_clone_tokens [FuncLike]
fn_like_mk_literals [FuncLike]
fn_like_mk_idents [FuncLike]
attr_noop [Attr]
attr_panic [Attr]
attr_error [Attr]

11
crates/proc-macro-test/imp/src/lib.rs
View file

@ -2,7 +2,7 @@
#![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)]
use proc_macro::{Group, Ident, Literal, Punct, TokenStream, TokenTree};
use proc_macro::{Group, Ident, Literal, Punct, Span, TokenStream, TokenTree};
#[proc_macro]
pub fn fn_like_noop(args: TokenStream) -> TokenStream {
@ -40,6 +40,15 @@ pub fn fn_like_mk_literals(_args: TokenStream) -> TokenStream {
TokenStream::from_iter(trees)
}
#[proc_macro]
pub fn fn_like_mk_idents(_args: TokenStream) -> TokenStream {
let trees: Vec<TokenTree> = vec![
TokenTree::from(Ident::new("standard", Span::call_site())),
TokenTree::from(Ident::new_raw("raw", Span::call_site())),
];
TokenStream::from_iter(trees)
}
#[proc_macro_attribute]
pub fn attr_noop(_args: TokenStream, item: TokenStream) -> TokenStream {
item