74f5261345
without this, the only way to create a `LitKind::Byte` is by doing `"b'a'".parse::<Literal>()`, this solves that by enabling `Literal::byte_character(b'a')`
60 lines
2.6 KiB
Rust
60 lines
2.6 KiB
Rust
// ignore-tidy-linelength
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use proc_macro::Literal;
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pub fn test() {
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test_display_literal();
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test_parse_literal();
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}
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fn test_display_literal() {
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assert_eq!(Literal::isize_unsuffixed(-10).to_string(), "-10");
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assert_eq!(Literal::isize_suffixed(-10).to_string(), "-10isize");
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assert_eq!(Literal::f32_unsuffixed(-10.0).to_string(), "-10.0");
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assert_eq!(Literal::f32_suffixed(-10.0).to_string(), "-10f32");
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assert_eq!(Literal::f64_unsuffixed(-10.0).to_string(), "-10.0");
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assert_eq!(Literal::f64_suffixed(-10.0).to_string(), "-10f64");
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assert_eq!(
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Literal::f64_unsuffixed(1e100).to_string(),
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"10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0",
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);
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assert_eq!(
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Literal::string("a \t ❤ ' \" \u{1}").to_string(),
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"\"a \\t ❤ ' \\\" \\u{1}\"",
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);
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assert_eq!(Literal::character('a').to_string(), "'a'");
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assert_eq!(Literal::character('\t').to_string(), "'\\t'");
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assert_eq!(Literal::character('❤').to_string(), "'❤'");
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assert_eq!(Literal::character('\'').to_string(), "'\\''");
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assert_eq!(Literal::character('"').to_string(), "'\"'");
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assert_eq!(Literal::character('\u{1}').to_string(), "'\\u{1}'");
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assert_eq!(Literal::byte_character(b'a').to_string(), "b'a'");
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assert_eq!(Literal::byte_character(0).to_string(), "b'\\x00'");
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}
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fn test_parse_literal() {
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assert_eq!("1".parse::<Literal>().unwrap().to_string(), "1");
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assert_eq!("1.0".parse::<Literal>().unwrap().to_string(), "1.0");
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assert_eq!("'a'".parse::<Literal>().unwrap().to_string(), "'a'");
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assert_eq!("b'a'".parse::<Literal>().unwrap().to_string(), "b'a'");
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assert_eq!("\"\n\"".parse::<Literal>().unwrap().to_string(), "\"\n\"");
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assert_eq!("b\"\"".parse::<Literal>().unwrap().to_string(), "b\"\"");
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assert_eq!("r##\"\"##".parse::<Literal>().unwrap().to_string(), "r##\"\"##");
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assert_eq!("10ulong".parse::<Literal>().unwrap().to_string(), "10ulong");
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assert_eq!("-10ulong".parse::<Literal>().unwrap().to_string(), "-10ulong");
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assert!("true".parse::<Literal>().is_err());
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assert!(".8".parse::<Literal>().is_err());
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assert!("0 1".parse::<Literal>().is_err());
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assert!("'a".parse::<Literal>().is_err());
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assert!(" 0".parse::<Literal>().is_err());
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assert!("0 ".parse::<Literal>().is_err());
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assert!("/* comment */0".parse::<Literal>().is_err());
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assert!("0/* comment */".parse::<Literal>().is_err());
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assert!("0// comment".parse::<Literal>().is_err());
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assert!("- 10".parse::<Literal>().is_err());
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assert!("-'x'".parse::<Literal>().is_err());
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}
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