Unnamed repository; edit this file 'description' to name the repository.
Use ASCII to get the "too big" char iterator
Additionally, make the construction of the string mechanical
| -rw-r--r-- | lib/smol_str/tests/test.rs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/smol_str/tests/test.rs b/lib/smol_str/tests/test.rs index cdcc9bf670..934cfa3c05 100644 --- a/lib/smol_str/tests/test.rs +++ b/lib/smol_str/tests/test.rs @@ -209,14 +209,19 @@ fn test_from_char_iterator() { ("사회과학원 어학연구소", true), // String containing diverse characters ("表ポあA鷗ŒéＢ逍Üߪąñ丂㐀𠀀", true), - // String which has too many characters to even consider inlining - ("☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺☺", true), ]; for (raw, is_heap) in &examples { let s: SmolStr = raw.chars().collect(); assert_eq!(s.as_str(), *raw); assert_eq!(s.is_heap_allocated(), *is_heap); } + // String which has too many characters to even consider inlining: Chars::size_hint uses + // (`len` + 3) / 4. With `len` = 89, this results in 23, so `from_iter` will immediately + // heap allocate + let raw: String = std::iter::repeat('a').take(22 * 4 + 1).collect(); + let s: SmolStr = raw.chars().collect(); + assert_eq!(s.as_str(), raw); + assert!(s.is_heap_allocated()); } #[test] |