diff options
| -rw-r--r-- | src/libcore/tests/iter.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs index ab4f4aa7c73..3b854b56c32 100644 --- a/src/libcore/tests/iter.rs +++ b/src/libcore/tests/iter.rs @@ -1959,8 +1959,11 @@ fn test_range() { #[test] fn test_char_range() { use std::char; - assert!(('\0'..=char::MAX).eq((0..=char::MAX as u32).filter_map(char::from_u32))); - assert!(('\0'..=char::MAX).rev().eq((0..=char::MAX as u32).filter_map(char::from_u32).rev())); + // Miri is too slow + let from = if cfg!(miri) { char::from_u32(0xD800 - 10).unwrap() } else { '\0' }; + let to = if cfg!(miri) { char::from_u32(0xDFFF + 10).unwrap() } else { char::MAX }; + assert!((from..=to).eq((from as u32..=to as u32).filter_map(char::from_u32))); + assert!((from..=to).rev().eq((from as u32..=to as u32).filter_map(char::from_u32).rev())); assert_eq!(('\u{D7FF}'..='\u{E000}').count(), 2); assert_eq!(('\u{D7FF}'..='\u{E000}').size_hint(), (2, Some(2))); |