| 1 | //! Populate rust-i18n from static entries with a bounded initialization stack. |
| 2 | |
| 3 | use std::borrow::Cow; |
| 4 | |
| 5 | type Messages = &'static [(&'static str, &'static str)]; |
| 6 | include!(concat!(env!("OUT_DIR"), "/i18n_data.rs")); |
| 7 | |
| 8 | pub(super) fn new() -> rust_i18n::SimpleBackend { |
| 9 | LOCALES |
| 10 | .iter() |
| 11 | .map(|(locale, entries)| { |
| 12 | ( |
| 13 | Cow::Borrowed(*locale), |
| 14 | entries |
| 15 | .iter() |
| 16 | .map(|(key, value)| (Cow::Borrowed(*key), Cow::Borrowed(*value))) |
| 17 | .collect(), |
| 18 | ) |
| 19 | }) |
| 20 | .collect() |
| 21 | } |
| 22 | |
| 23 | #[cfg(test)] |
| 24 | mod tests { |
| 25 | use super::*; |
| 26 | use rust_i18n::Backend; |
| 27 | |
| 28 | #[test] |
| 29 | fn every_translation_initializes_and_matches_on_a_small_stack() { |
| 30 | std::thread::Builder::new() |
| 31 | .stack_size(256 * 1024) |
| 32 | .spawn(|| { |
| 33 | // Construct a fresh backend even if another test already |
| 34 | // initialized the global one. This catches catalog growth |
| 35 | // reintroducing an oversized initialization frame. |
| 36 | let backend = new(); |
| 37 | assert_eq!(backend.available_locales().len(), LOCALES.len()); |
| 38 | for (locale, entries) in LOCALES { |
| 39 | for (key, value) in *entries { |
| 40 | assert_eq!(backend.translate(locale, key).as_deref(), Some(*value)); |
| 41 | } |
| 42 | } |
| 43 | }) |
| 44 | .expect("spawn bounded-stack translation test") |
| 45 | .join() |
| 46 | .expect("translation initialization must not overflow"); |
| 47 | } |
| 48 | } |
| 49 |