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#[macro_use]
mod macros;
use syn::punctuated::Punctuated;
use syn::{parse_quote, Attribute, Field, Lit, Pat, Stmt, Token};
#[test]
fn test_attribute() {
let attr: Attribute = parse_quote!(#[test]);
snapshot!(attr, @r###"
Attribute {
style: AttrStyle::Outer,
meta: Meta::Path {
segments: [
PathSegment {
ident: "test",
},
],
},
}
"###);
let attr: Attribute = parse_quote!(#![no_std]);
snapshot!(attr, @r###"
Attribute {
style: AttrStyle::Inner,
meta: Meta::Path {
segments: [
PathSegment {
ident: "no_std",
},
],
},
}
"###);
}
#[test]
fn test_field() {
let field: Field = parse_quote!(pub enabled: bool);
snapshot!(field, @r###"
Field {
vis: Visibility::Public,
ident: Some("enabled"),
colon_token: Some,
ty: Type::Path {
path: Path {
segments: [
PathSegment {
ident: "bool",
},
],
},
},
}
"###);
let field: Field = parse_quote!(primitive::bool);
snapshot!(field, @r###"
Field {
vis: Visibility::Inherited,
ty: Type::Path {
path: Path {
segments: [
PathSegment {
ident: "primitive",
},
Token![::],
PathSegment {
ident: "bool",
},
],
},
},
}
"###);
}
#[test]
fn test_pat() {
let pat: Pat = parse_quote!(Some(false) | None);
snapshot!(&pat, @r###"
Pat::Or {
cases: [
Pat::TupleStruct {
path: Path {
segments: [
PathSegment {
ident: "Some",
},
],
},
elems: [
Pat::Lit(ExprLit {
lit: Lit::Bool {
value: false,
},
}),
],
},
Token![|],
Pat::Ident {
ident: "None",
},
],
}
"###);
let boxed_pat: Box<Pat> = parse_quote!(Some(false) | None);
assert_eq!(*boxed_pat, pat);
}
#[test]
fn test_punctuated() {
let punctuated: Punctuated<Lit, Token![|]> = parse_quote!(true | true);
snapshot!(punctuated, @r###"
[
Lit::Bool {
value: true,
},
Token![|],
Lit::Bool {
value: true,
},
]
"###);
let punctuated: Punctuated<Lit, Token![|]> = parse_quote!(true | true |);
snapshot!(punctuated, @r###"
[
Lit::Bool {
value: true,
},
Token![|],
Lit::Bool {
value: true,
},
Token![|],
]
"###);
}
#[test]
fn test_vec_stmt() {
let stmts: Vec<Stmt> = parse_quote! {
let _;
true
};
snapshot!(stmts, @r###"
[
Stmt::Local {
pat: Pat::Wild,
},
Stmt::Expr(
Expr::Lit {
lit: Lit::Bool {
value: true,
},
},
None,
),
]
"###);
}