diff options
Diffstat (limited to 'quote/tests/test.rs')
| -rw-r--r-- | quote/tests/test.rs | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/quote/tests/test.rs b/quote/tests/test.rs deleted file mode 100644 index 957d470..0000000 --- a/quote/tests/test.rs +++ /dev/null @@ -1,429 +0,0 @@ -#![cfg_attr(feature = "cargo-clippy", allow(blacklisted_name))] - -use std::borrow::Cow; -use std::collections::BTreeSet; - -use proc_macro2::{Ident, Span, TokenStream}; -use quote::{format_ident, quote, TokenStreamExt}; - -struct X; - -impl quote::ToTokens for X { - fn to_tokens(&self, tokens: &mut TokenStream) { - tokens.append(Ident::new("X", Span::call_site())); - } -} - -#[test] -fn test_quote_impl() { - let tokens = quote! { - impl<'a, T: ToTokens> ToTokens for &'a T { - fn to_tokens(&self, tokens: &mut TokenStream) { - (**self).to_tokens(tokens) - } - } - }; - - let expected = concat!( - "impl < 'a , T : ToTokens > ToTokens for & 'a T { ", - "fn to_tokens ( & self , tokens : & mut TokenStream ) { ", - "( * * self ) . to_tokens ( tokens ) ", - "} ", - "}" - ); - - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_substitution() { - let x = X; - let tokens = quote!(#x <#x> (#x) [#x] {#x}); - - let expected = "X < X > ( X ) [ X ] { X }"; - - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_iter() { - let primes = &[X, X, X, X]; - - assert_eq!("X X X X", quote!(#(#primes)*).to_string()); - - assert_eq!("X , X , X , X ,", quote!(#(#primes,)*).to_string()); - - assert_eq!("X , X , X , X", quote!(#(#primes),*).to_string()); -} - -#[test] -fn test_advanced() { - let generics = quote!( <'a, T> ); - - let where_clause = quote!( where T: Serialize ); - - let field_ty = quote!(String); - - let item_ty = quote!(Cow<'a, str>); - - let path = quote!(SomeTrait::serialize_with); - - let value = quote!(self.x); - - let tokens = quote! { - struct SerializeWith #generics #where_clause { - value: &'a #field_ty, - phantom: ::std::marker::PhantomData<#item_ty>, - } - - impl #generics ::serde::Serialize for SerializeWith #generics #where_clause { - fn serialize<S>(&self, s: &mut S) -> Result<(), S::Error> - where S: ::serde::Serializer - { - #path(self.value, s) - } - } - - SerializeWith { - value: #value, - phantom: ::std::marker::PhantomData::<#item_ty>, - } - }; - - let expected = concat!( - "struct SerializeWith < 'a , T > where T : Serialize { ", - "value : & 'a String , ", - "phantom : :: std :: marker :: PhantomData < Cow < 'a , str > > , ", - "} ", - "impl < 'a , T > :: serde :: Serialize for SerializeWith < 'a , T > where T : Serialize { ", - "fn serialize < S > ( & self , s : & mut S ) -> Result < ( ) , S :: Error > ", - "where S : :: serde :: Serializer ", - "{ ", - "SomeTrait :: serialize_with ( self . value , s ) ", - "} ", - "} ", - "SerializeWith { ", - "value : self . x , ", - "phantom : :: std :: marker :: PhantomData :: < Cow < 'a , str > > , ", - "}" - ); - - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_integer() { - let ii8 = -1i8; - let ii16 = -1i16; - let ii32 = -1i32; - let ii64 = -1i64; - let ii128 = -1i128; - let iisize = -1isize; - let uu8 = 1u8; - let uu16 = 1u16; - let uu32 = 1u32; - let uu64 = 1u64; - let uu128 = 1u128; - let uusize = 1usize; - - let tokens = quote! { - #ii8 #ii16 #ii32 #ii64 #ii128 #iisize - #uu8 #uu16 #uu32 #uu64 #uu128 #uusize - }; - let expected = "-1i8 -1i16 -1i32 -1i64 -1i128 -1isize 1u8 1u16 1u32 1u64 1u128 1usize"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_floating() { - let e32 = 2.345f32; - - let e64 = 2.345f64; - - let tokens = quote! { - #e32 - #e64 - }; - let expected = concat!("2.345f32 2.345f64"); - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_char() { - let zero = '\0'; - let pound = '#'; - let quote = '"'; - let apost = '\''; - let newline = '\n'; - let heart = '\u{2764}'; - - let tokens = quote! { - #zero #pound #quote #apost #newline #heart - }; - let expected = "'\\u{0}' '#' '\"' '\\'' '\\n' '\\u{2764}'"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_str() { - let s = "\0 a 'b \" c"; - let tokens = quote!(#s); - let expected = "\"\\u{0} a 'b \\\" c\""; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_string() { - let s = "\0 a 'b \" c".to_string(); - let tokens = quote!(#s); - let expected = "\"\\u{0} a 'b \\\" c\""; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_ident() { - let foo = Ident::new("Foo", Span::call_site()); - let bar = Ident::new(&format!("Bar{}", 7), Span::call_site()); - let tokens = quote!(struct #foo; enum #bar {}); - let expected = "struct Foo ; enum Bar7 { }"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_duplicate() { - let ch = 'x'; - - let tokens = quote!(#ch #ch); - - let expected = "'x' 'x'"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_fancy_repetition() { - let foo = vec!["a", "b"]; - let bar = vec![true, false]; - - let tokens = quote! { - #(#foo: #bar),* - }; - - let expected = r#""a" : true , "b" : false"#; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_nested_fancy_repetition() { - let nested = vec![vec!['a', 'b', 'c'], vec!['x', 'y', 'z']]; - - let tokens = quote! { - #( - #(#nested)* - ),* - }; - - let expected = "'a' 'b' 'c' , 'x' 'y' 'z'"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_duplicate_name_repetition() { - let foo = &["a", "b"]; - - let tokens = quote! { - #(#foo: #foo),* - #(#foo: #foo),* - }; - - let expected = r#""a" : "a" , "b" : "b" "a" : "a" , "b" : "b""#; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_duplicate_name_repetition_no_copy() { - let foo = vec!["a".to_owned(), "b".to_owned()]; - - let tokens = quote! { - #(#foo: #foo),* - }; - - let expected = r#""a" : "a" , "b" : "b""#; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_btreeset_repetition() { - let mut set = BTreeSet::new(); - set.insert("a".to_owned()); - set.insert("b".to_owned()); - - let tokens = quote! { - #(#set: #set),* - }; - - let expected = r#""a" : "a" , "b" : "b""#; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_variable_name_conflict() { - // The implementation of `#(...),*` uses the variable `_i` but it should be - // fine, if a little confusing when debugging. - let _i = vec!['a', 'b']; - let tokens = quote! { #(#_i),* }; - let expected = "'a' , 'b'"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_nonrep_in_repetition() { - let rep = vec!["a", "b"]; - let nonrep = "c"; - - let tokens = quote! { - #(#rep #rep : #nonrep #nonrep),* - }; - - let expected = r#""a" "a" : "c" "c" , "b" "b" : "c" "c""#; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_empty_quote() { - let tokens = quote!(); - assert_eq!("", tokens.to_string()); -} - -#[test] -fn test_box_str() { - let b = "str".to_owned().into_boxed_str(); - let tokens = quote! { #b }; - assert_eq!("\"str\"", tokens.to_string()); -} - -#[test] -fn test_cow() { - let owned: Cow<Ident> = Cow::Owned(Ident::new("owned", Span::call_site())); - - let ident = Ident::new("borrowed", Span::call_site()); - let borrowed = Cow::Borrowed(&ident); - - let tokens = quote! { #owned #borrowed }; - assert_eq!("owned borrowed", tokens.to_string()); -} - -#[test] -fn test_closure() { - fn field_i(i: usize) -> Ident { - format_ident!("__field{}", i) - } - - let fields = (0usize..3) - .map(field_i as fn(_) -> _) - .map(|var| quote! { #var }); - - let tokens = quote! { #(#fields)* }; - assert_eq!("__field0 __field1 __field2", tokens.to_string()); -} - -#[test] -fn test_append_tokens() { - let mut a = quote!(a); - let b = quote!(b); - a.append_all(b); - assert_eq!("a b", a.to_string()); -} - -#[test] -fn test_format_ident() { - let id0 = format_ident!("Aa"); - let id1 = format_ident!("Hello{x}", x = id0); - let id2 = format_ident!("Hello{x}", x = 5usize); - let id3 = format_ident!("Hello{}_{x}", id0, x = 10usize); - let id4 = format_ident!("Aa", span = Span::call_site()); - - assert_eq!(id0, "Aa"); - assert_eq!(id1, "HelloAa"); - assert_eq!(id2, "Hello5"); - assert_eq!(id3, "HelloAa_10"); - assert_eq!(id4, "Aa"); -} - -#[test] -fn test_format_ident_strip_raw() { - let id = format_ident!("r#struct"); - let my_id = format_ident!("MyId{}", id); - let raw_my_id = format_ident!("r#MyId{}", id); - - assert_eq!(id, "r#struct"); - assert_eq!(my_id, "MyIdstruct"); - assert_eq!(raw_my_id, "r#MyIdstruct"); -} - -#[test] -fn test_outer_line_comment() { - let tokens = quote! { - /// doc - }; - let expected = "# [ doc = r\" doc\" ]"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_inner_line_comment() { - let tokens = quote! { - //! doc - }; - let expected = "# ! [ doc = r\" doc\" ]"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_outer_block_comment() { - let tokens = quote! { - /** doc */ - }; - let expected = "# [ doc = r\" doc \" ]"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_inner_block_comment() { - let tokens = quote! { - /*! doc */ - }; - let expected = "# ! [ doc = r\" doc \" ]"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_outer_attr() { - let tokens = quote! { - #[inline] - }; - let expected = "# [ inline ]"; - assert_eq!(expected, tokens.to_string()); -} - -#[test] -fn test_inner_attr() { - let tokens = quote! { - #![no_std] - }; - let expected = "# ! [ no_std ]"; - assert_eq!(expected, tokens.to_string()); -} - -// https://github.com/dtolnay/quote/issues/130 -#[test] -fn test_star_after_repetition() { - let c = vec!['0', '1']; - let tokens = quote! { - #( - f(#c); - )* - *out = None; - }; - let expected = "f ( '0' ) ; f ( '1' ) ; * out = None ;"; - assert_eq!(expected, tokens.to_string()); -} |