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Add test for literals created client-side

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This commit is contained in:
Amos Wenger 2022-07-21 18:29:28 +02:00
parent 32ee097580
commit 36d825fd5d
2 changed files with 46 additions and 0 deletions
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30
crates/proc-macro-srv/src/tests/mod.rs
View file

@ -56,6 +56,35 @@ fn test_fn_like_macro_clone_ident_subtree() {
);
}
#[test]
fn test_fn_like_macro_clone_raw_ident() {
assert_expand(
"fn_like_clone_tokens",
"r#\"ident\"#",
expect![[r##"
SUBTREE $
LITERAL r#"ident"# 4294967295"##]],
);
}
#[test]
fn test_fn_like_mk_literals() {
assert_expand(
"fn_like_mk_literals",
r#""#,
expect![[r#"
SUBTREE $
LITERAL b"byte_string" 4294967295
LITERAL 'c' 4294967295
LITERAL "string" 4294967295
LITERAL "maybe \"raw\"?" 4294967295
LITERAL 3.14f64 4294967295
LITERAL 3.14 4294967295
LITERAL 123i64 4294967295
LITERAL 123 4294967295"#]],
);
}
#[test]
fn test_fn_like_macro_clone_literals() {
assert_expand(
@ -105,6 +134,7 @@ fn list_test_macros() {
fn_like_panic [FuncLike]
fn_like_error [FuncLike]
fn_like_clone_tokens [FuncLike]
fn_like_mk_literals [FuncLike]
attr_noop [Attr]
attr_panic [Attr]
attr_error [Attr]

16
crates/proc-macro-test/imp/src/lib.rs
View file

@ -24,6 +24,22 @@ pub fn fn_like_clone_tokens(args: TokenStream) -> TokenStream {
clone_stream(args)
}
#[proc_macro]
pub fn fn_like_mk_literals(_args: TokenStream) -> TokenStream {
let trees: Vec<TokenTree> = vec![
TokenTree::from(Literal::byte_string(b"byte_string")),
TokenTree::from(Literal::character('c')),
TokenTree::from(Literal::string("string")),
// as of 2022-07-21, there's no method on `Literal` to build a raw
// string or a raw byte string
TokenTree::from(Literal::f64_suffixed(3.14)),
TokenTree::from(Literal::f64_unsuffixed(3.14)),
TokenTree::from(Literal::i64_suffixed(123)),
TokenTree::from(Literal::i64_unsuffixed(123)),
];
TokenStream::from_iter(trees)
}
#[proc_macro_attribute]
pub fn attr_noop(_args: TokenStream, item: TokenStream) -> TokenStream {
item