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-rw-r--r--vendor/syn/tests/test_lit.rs273
1 files changed, 0 insertions, 273 deletions
diff --git a/vendor/syn/tests/test_lit.rs b/vendor/syn/tests/test_lit.rs
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index bc50136..0000000
--- a/vendor/syn/tests/test_lit.rs
+++ /dev/null
@@ -1,273 +0,0 @@
-#![allow(
- clippy::float_cmp,
- clippy::non_ascii_literal,
- clippy::single_match_else,
- clippy::uninlined_format_args
-)]
-
-#[macro_use]
-mod macros;
-
-use proc_macro2::{Delimiter, Group, Literal, Span, TokenStream, TokenTree};
-use quote::ToTokens;
-use std::str::FromStr;
-use syn::{Lit, LitFloat, LitInt, LitStr};
-
-fn lit(s: &str) -> Lit {
- let mut tokens = TokenStream::from_str(s).unwrap().into_iter();
- match tokens.next().unwrap() {
- TokenTree::Literal(lit) => {
- assert!(tokens.next().is_none());
- Lit::new(lit)
- }
- wrong => panic!("{:?}", wrong),
- }
-}
-
-#[test]
-fn strings() {
- fn test_string(s: &str, value: &str) {
- match lit(s) {
- Lit::Str(lit) => {
- assert_eq!(lit.value(), value);
- let again = lit.into_token_stream().to_string();
- if again != s {
- test_string(&again, value);
- }
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_string("\"a\"", "a");
- test_string("\"\\n\"", "\n");
- test_string("\"\\r\"", "\r");
- test_string("\"\\t\"", "\t");
- test_string("\"🐕\"", "🐕"); // NOTE: This is an emoji
- test_string("\"\\\"\"", "\"");
- test_string("\"'\"", "'");
- test_string("\"\"", "");
- test_string("\"\\u{1F415}\"", "\u{1F415}");
- test_string("\"\\u{1_2__3_}\"", "\u{123}");
- test_string(
- "\"contains\nnewlines\\\nescaped newlines\"",
- "contains\nnewlinesescaped newlines",
- );
- test_string(
- "\"escaped newline\\\n \x0C unsupported whitespace\"",
- "escaped newline\x0C unsupported whitespace",
- );
- test_string("r\"raw\nstring\\\nhere\"", "raw\nstring\\\nhere");
- test_string("\"...\"q", "...");
- test_string("r\"...\"q", "...");
- test_string("r##\"...\"##q", "...");
-}
-
-#[test]
-fn byte_strings() {
- fn test_byte_string(s: &str, value: &[u8]) {
- match lit(s) {
- Lit::ByteStr(lit) => {
- assert_eq!(lit.value(), value);
- let again = lit.into_token_stream().to_string();
- if again != s {
- test_byte_string(&again, value);
- }
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_byte_string("b\"a\"", b"a");
- test_byte_string("b\"\\n\"", b"\n");
- test_byte_string("b\"\\r\"", b"\r");
- test_byte_string("b\"\\t\"", b"\t");
- test_byte_string("b\"\\\"\"", b"\"");
- test_byte_string("b\"'\"", b"'");
- test_byte_string("b\"\"", b"");
- test_byte_string(
- "b\"contains\nnewlines\\\nescaped newlines\"",
- b"contains\nnewlinesescaped newlines",
- );
- test_byte_string("br\"raw\nstring\\\nhere\"", b"raw\nstring\\\nhere");
- test_byte_string("b\"...\"q", b"...");
- test_byte_string("br\"...\"q", b"...");
- test_byte_string("br##\"...\"##q", b"...");
-}
-
-#[test]
-fn bytes() {
- fn test_byte(s: &str, value: u8) {
- match lit(s) {
- Lit::Byte(lit) => {
- assert_eq!(lit.value(), value);
- let again = lit.into_token_stream().to_string();
- assert_eq!(again, s);
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_byte("b'a'", b'a');
- test_byte("b'\\n'", b'\n');
- test_byte("b'\\r'", b'\r');
- test_byte("b'\\t'", b'\t');
- test_byte("b'\\''", b'\'');
- test_byte("b'\"'", b'"');
- test_byte("b'a'q", b'a');
-}
-
-#[test]
-fn chars() {
- fn test_char(s: &str, value: char) {
- match lit(s) {
- Lit::Char(lit) => {
- assert_eq!(lit.value(), value);
- let again = lit.into_token_stream().to_string();
- if again != s {
- test_char(&again, value);
- }
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_char("'a'", 'a');
- test_char("'\\n'", '\n');
- test_char("'\\r'", '\r');
- test_char("'\\t'", '\t');
- test_char("'🐕'", '🐕'); // NOTE: This is an emoji
- test_char("'\\''", '\'');
- test_char("'\"'", '"');
- test_char("'\\u{1F415}'", '\u{1F415}');
- test_char("'a'q", 'a');
-}
-
-#[test]
-fn ints() {
- fn test_int(s: &str, value: u64, suffix: &str) {
- match lit(s) {
- Lit::Int(lit) => {
- assert_eq!(lit.base10_digits().parse::<u64>().unwrap(), value);
- assert_eq!(lit.suffix(), suffix);
- let again = lit.into_token_stream().to_string();
- if again != s {
- test_int(&again, value, suffix);
- }
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_int("5", 5, "");
- test_int("5u32", 5, "u32");
- test_int("0E", 0, "E");
- test_int("0ECMA", 0, "ECMA");
- test_int("0o0A", 0, "A");
- test_int("5_0", 50, "");
- test_int("5_____0_____", 50, "");
- test_int("0x7f", 127, "");
- test_int("0x7F", 127, "");
- test_int("0b1001", 9, "");
- test_int("0o73", 59, "");
- test_int("0x7Fu8", 127, "u8");
- test_int("0b1001i8", 9, "i8");
- test_int("0o73u32", 59, "u32");
- test_int("0x__7___f_", 127, "");
- test_int("0x__7___F_", 127, "");
- test_int("0b_1_0__01", 9, "");
- test_int("0o_7__3", 59, "");
- test_int("0x_7F__u8", 127, "u8");
- test_int("0b__10__0_1i8", 9, "i8");
- test_int("0o__7__________________3u32", 59, "u32");
- test_int("0e1\u{5c5}", 0, "e1\u{5c5}");
-}
-
-#[test]
-fn floats() {
- fn test_float(s: &str, value: f64, suffix: &str) {
- match lit(s) {
- Lit::Float(lit) => {
- assert_eq!(lit.base10_digits().parse::<f64>().unwrap(), value);
- assert_eq!(lit.suffix(), suffix);
- let again = lit.into_token_stream().to_string();
- if again != s {
- test_float(&again, value, suffix);
- }
- }
- wrong => panic!("{:?}", wrong),
- }
- }
-
- test_float("5.5", 5.5, "");
- test_float("5.5E12", 5.5e12, "");
- test_float("5.5e12", 5.5e12, "");
- test_float("1.0__3e-12", 1.03e-12, "");
- test_float("1.03e+12", 1.03e12, "");
- test_float("9e99e99", 9e99, "e99");
- test_float("1e_0", 1.0, "");
- test_float("0.0ECMA", 0.0, "ECMA");
-}
-
-#[test]
-fn negative() {
- let span = Span::call_site();
- assert_eq!("-1", LitInt::new("-1", span).to_string());
- assert_eq!("-1i8", LitInt::new("-1i8", span).to_string());
- assert_eq!("-1i16", LitInt::new("-1i16", span).to_string());
- assert_eq!("-1i32", LitInt::new("-1i32", span).to_string());
- assert_eq!("-1i64", LitInt::new("-1i64", span).to_string());
- assert_eq!("-1.5", LitFloat::new("-1.5", span).to_string());
- assert_eq!("-1.5f32", LitFloat::new("-1.5f32", span).to_string());
- assert_eq!("-1.5f64", LitFloat::new("-1.5f64", span).to_string());
-}
-
-#[test]
-fn suffix() {
- fn get_suffix(token: &str) -> String {
- let lit = syn::parse_str::<Lit>(token).unwrap();
- match lit {
- Lit::Str(lit) => lit.suffix().to_owned(),
- Lit::ByteStr(lit) => lit.suffix().to_owned(),
- Lit::Byte(lit) => lit.suffix().to_owned(),
- Lit::Char(lit) => lit.suffix().to_owned(),
- Lit::Int(lit) => lit.suffix().to_owned(),
- Lit::Float(lit) => lit.suffix().to_owned(),
- _ => unimplemented!(),
- }
- }
-
- assert_eq!(get_suffix("\"\"s"), "s");
- assert_eq!(get_suffix("r\"\"r"), "r");
- assert_eq!(get_suffix("b\"\"b"), "b");
- assert_eq!(get_suffix("br\"\"br"), "br");
- assert_eq!(get_suffix("r#\"\"#r"), "r");
- assert_eq!(get_suffix("'c'c"), "c");
- assert_eq!(get_suffix("b'b'b"), "b");
- assert_eq!(get_suffix("1i32"), "i32");
- assert_eq!(get_suffix("1_i32"), "i32");
- assert_eq!(get_suffix("1.0f32"), "f32");
- assert_eq!(get_suffix("1.0_f32"), "f32");
-}
-
-#[test]
-fn test_deep_group_empty() {
- let tokens = TokenStream::from_iter(vec![TokenTree::Group(Group::new(
- Delimiter::None,
- TokenStream::from_iter(vec![TokenTree::Group(Group::new(
- Delimiter::None,
- TokenStream::from_iter(vec![TokenTree::Literal(Literal::string("hi"))]),
- ))]),
- ))]);
-
- snapshot!(tokens as Lit, @r#""hi""# );
-}
-
-#[test]
-fn test_error() {
- let err = syn::parse_str::<LitStr>("...").unwrap_err();
- assert_eq!("expected string literal", err.to_string());
-
- let err = syn::parse_str::<LitStr>("5").unwrap_err();
- assert_eq!("expected string literal", err.to_string());
-}
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