From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
---
vendor/syn/tests/test_visibility.rs | 144 ++++++++++++++++++++++++++++++++++++
1 file changed, 144 insertions(+)
create mode 100644 vendor/syn/tests/test_visibility.rs
(limited to 'vendor/syn/tests/test_visibility.rs')
diff --git a/vendor/syn/tests/test_visibility.rs b/vendor/syn/tests/test_visibility.rs
new file mode 100644
index 0000000..496e007
--- /dev/null
+++ b/vendor/syn/tests/test_visibility.rs
@@ -0,0 +1,144 @@
+#![allow(clippy::uninlined_format_args)]
+
+#[macro_use]
+mod macros;
+
+use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree};
+use syn::parse::{Parse, ParseStream};
+use syn::{DeriveInput, Result, Visibility};
+
+#[derive(Debug)]
+struct VisRest {
+ vis: Visibility,
+ rest: TokenStream,
+}
+
+impl Parse for VisRest {
+ fn parse(input: ParseStream) -> Result<Self> {
+ Ok(VisRest {
+ vis: input.parse()?,
+ rest: input.parse()?,
+ })
+ }
+}
+
+macro_rules! assert_vis_parse {
+ ($input:expr, Ok($p:pat)) => {
+ assert_vis_parse!($input, Ok($p) + "");
+ };
+
+ ($input:expr, Ok($p:pat) + $rest:expr) => {
+ let expected = $rest.parse::<TokenStream>().unwrap();
+ let parse: VisRest = syn::parse_str($input).unwrap();
+
+ match parse.vis {
+ $p => {}
+ _ => panic!("Expected {}, got {:?}", stringify!($p), parse.vis),
+ }
+
+ // NOTE: Round-trips through `to_string` to avoid potential whitespace
+ // diffs.
+ assert_eq!(parse.rest.to_string(), expected.to_string());
+ };
+
+ ($input:expr, Err) => {
+ syn::parse2::<VisRest>($input.parse().unwrap()).unwrap_err();
+ };
+}
+
+#[test]
+fn test_pub() {
+ assert_vis_parse!("pub", Ok(Visibility::Public(_)));
+}
+
+#[test]
+fn test_inherited() {
+ assert_vis_parse!("", Ok(Visibility::Inherited));
+}
+
+#[test]
+fn test_in() {
+ assert_vis_parse!("pub(in foo::bar)", Ok(Visibility::Restricted(_)));
+}
+
+#[test]
+fn test_pub_crate() {
+ assert_vis_parse!("pub(crate)", Ok(Visibility::Restricted(_)));
+}
+
+#[test]
+fn test_pub_self() {
+ assert_vis_parse!("pub(self)", Ok(Visibility::Restricted(_)));
+}
+
+#[test]
+fn test_pub_super() {
+ assert_vis_parse!("pub(super)", Ok(Visibility::Restricted(_)));
+}
+
+#[test]
+fn test_missing_in() {
+ assert_vis_parse!("pub(foo::bar)", Ok(Visibility::Public(_)) + "(foo::bar)");
+}
+
+#[test]
+fn test_missing_in_path() {
+ assert_vis_parse!("pub(in)", Err);
+}
+
+#[test]
+fn test_crate_path() {
+ assert_vis_parse!(
+ "pub(crate::A, crate::B)",
+ Ok(Visibility::Public(_)) + "(crate::A, crate::B)"
+ );
+}
+
+#[test]
+fn test_junk_after_in() {
+ assert_vis_parse!("pub(in some::path @@garbage)", Err);
+}
+
+#[test]
+fn test_empty_group_vis() {
+ // mimics `struct S { $vis $field: () }` where $vis is empty
+ let tokens = TokenStream::from_iter(vec![
+ TokenTree::Ident(Ident::new("struct", Span::call_site())),
+ TokenTree::Ident(Ident::new("S", Span::call_site())),
+ TokenTree::Group(Group::new(
+ Delimiter::Brace,
+ TokenStream::from_iter(vec![
+ TokenTree::Group(Group::new(Delimiter::None, TokenStream::new())),
+ TokenTree::Group(Group::new(
+ Delimiter::None,
+ TokenStream::from_iter(vec![TokenTree::Ident(Ident::new(
+ "f",
+ Span::call_site(),
+ ))]),
+ )),
+ TokenTree::Punct(Punct::new(':', Spacing::Alone)),
+ TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())),
+ ]),
+ )),
+ ]);
+
+ snapshot!(tokens as DeriveInput, @r###"
+ DeriveInput {
+ vis: Visibility::Inherited,
+ ident: "S",
+ generics: Generics,
+ data: Data::Struct {
+ fields: Fields::Named {
+ named: [
+ Field {
+ vis: Visibility::Inherited,
+ ident: Some("f"),
+ colon_token: Some,
+ ty: Type::Tuple,
+ },
+ ],
+ },
+ },
+ }
+ "###);
+}
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