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// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// 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() {
// 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}'));
}