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-rw-r--r--third_party/rust/unicode-normalization/src/test.rs130
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diff --git a/third_party/rust/unicode-normalization/src/test.rs b/third_party/rust/unicode-normalization/src/test.rs
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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
+// 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}'));
+}