vendor/rustc-ap-rustc_span/src/symbol/tests.rs

   1 use super::*;
   2
   3 use crate::{edition, SessionGlobals};
   4
   5 #[test]
   6 fn interner_tests() {
   7     let mut i: Interner = Interner::default();
   8     // first one is zero:
   9     assert_eq!(i.intern("dog"), Symbol::new(0));
  10     // re-use gets the same entry:
  11     assert_eq!(i.intern("dog"), Symbol::new(0));
  12     // different string gets a different #:
  13     assert_eq!(i.intern("cat"), Symbol::new(1));
  14     assert_eq!(i.intern("cat"), Symbol::new(1));
  15     // dog is still at zero
  16     assert_eq!(i.intern("dog"), Symbol::new(0));
  17 }
  18
  19 #[test]
  20 fn without_first_quote_test() {
  21     SESSION_GLOBALS.set(&SessionGlobals::new(edition::DEFAULT_EDITION), || {
  22         let i = Ident::from_str("'break");
  23         assert_eq!(i.without_first_quote().name, kw::Break);
  24     });
  25 }