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Diffstat (limited to 'third_party/rust/unicode-normalization/src/test.rs')
| -rw-r--r-- | third_party/rust/unicode-normalization/src/test.rs | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/third_party/rust/unicode-normalization/src/test.rs b/third_party/rust/unicode-normalization/src/test.rs new file mode 100644 index 0000000000..4c371497c7 --- /dev/null +++ b/third_party/rust/unicode-normalization/src/test.rs @@ -0,0 +1,130 @@ +// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use super::char::is_combining_mark; +use super::UnicodeNormalization; +use core::char; + +#[cfg(not(feature = "std"))] +use crate::no_std_prelude::*; + +#[test] +fn test_nfd() { + macro_rules! t { + ($input: expr, $expected: expr) => { + assert_eq!($input.nfd().to_string(), $expected); + // A dummy iterator that is not std::str::Chars directly; + // note that `id_func` is used to ensure `Clone` implementation + assert_eq!( + $input.chars().map(|c| c).nfd().collect::<String>(), + $expected + ); + }; + } + t!("abc", "abc"); + t!("\u{1e0b}\u{1c4}", "d\u{307}\u{1c4}"); + t!("\u{2026}", "\u{2026}"); + t!("\u{2126}", "\u{3a9}"); + t!("\u{1e0b}\u{323}", "d\u{323}\u{307}"); + t!("\u{1e0d}\u{307}", "d\u{323}\u{307}"); + t!("a\u{301}", "a\u{301}"); + t!("\u{301}a", "\u{301}a"); + t!("\u{d4db}", "\u{1111}\u{1171}\u{11b6}"); + t!("\u{ac1c}", "\u{1100}\u{1162}"); +} + +#[test] +fn test_nfkd() { + macro_rules! t { + ($input: expr, $expected: expr) => { + assert_eq!($input.nfkd().to_string(), $expected); + }; + } + t!("abc", "abc"); + t!("\u{1e0b}\u{1c4}", "d\u{307}DZ\u{30c}"); + t!("\u{2026}", "..."); + t!("\u{2126}", "\u{3a9}"); + t!("\u{1e0b}\u{323}", "d\u{323}\u{307}"); + t!("\u{1e0d}\u{307}", "d\u{323}\u{307}"); + t!("a\u{301}", "a\u{301}"); + t!("\u{301}a", "\u{301}a"); + t!("\u{d4db}", "\u{1111}\u{1171}\u{11b6}"); + t!("\u{ac1c}", "\u{1100}\u{1162}"); +} + +#[test] +fn test_nfc() { + macro_rules! t { + ($input: expr, $expected: expr) => { + assert_eq!($input.nfc().to_string(), $expected); + }; + } + t!("abc", "abc"); + t!("\u{1e0b}\u{1c4}", "\u{1e0b}\u{1c4}"); + t!("\u{2026}", "\u{2026}"); + t!("\u{2126}", "\u{3a9}"); + t!("\u{1e0b}\u{323}", "\u{1e0d}\u{307}"); + t!("\u{1e0d}\u{307}", "\u{1e0d}\u{307}"); + t!("a\u{301}", "\u{e1}"); + t!("\u{301}a", "\u{301}a"); + t!("\u{d4db}", "\u{d4db}"); + t!("\u{ac1c}", "\u{ac1c}"); + t!( + "a\u{300}\u{305}\u{315}\u{5ae}b", + "\u{e0}\u{5ae}\u{305}\u{315}b" + ); +} + +#[test] +fn test_nfkc() { + macro_rules! t { + ($input: expr, $expected: expr) => { + assert_eq!($input.nfkc().to_string(), $expected); + }; + } + t!("abc", "abc"); + t!("\u{1e0b}\u{1c4}", "\u{1e0b}D\u{17d}"); + t!("\u{2026}", "..."); + t!("\u{2126}", "\u{3a9}"); + t!("\u{1e0b}\u{323}", "\u{1e0d}\u{307}"); + t!("\u{1e0d}\u{307}", "\u{1e0d}\u{307}"); + t!("a\u{301}", "\u{e1}"); + t!("\u{301}a", "\u{301}a"); + t!("\u{d4db}", "\u{d4db}"); + t!("\u{ac1c}", "\u{ac1c}"); + t!( + "a\u{300}\u{305}\u{315}\u{5ae}b", + "\u{e0}\u{5ae}\u{305}\u{315}b" + ); +} + +#[test] +fn test_normalize_char() { + assert_eq!('\u{2126}'.nfd().to_string(), "\u{3a9}") +} + +#[test] +fn test_is_combining_mark_ascii() { + for cp in 0..0x7f { + assert!(!is_combining_mark(char::from_u32(cp).unwrap())); + } +} + +#[test] +fn test_is_combining_mark_misc() { + // https://github.com/unicode-rs/unicode-normalization/issues/16 + // U+11C3A BHAIKSUKI VOWEL SIGN O + // Category: Mark, Nonspacing [Mn] + assert!(is_combining_mark('\u{11C3A}')); + + // U+11C3F BHAIKSUKI SIGN VIRAMA + // Category: Mark, Nonspacing [Mn] + assert!(is_combining_mark('\u{11C3F}')); +} |