diff options
Diffstat (limited to 'library/core/tests/num/nan.rs')
| -rw-r--r-- | library/core/tests/num/nan.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/library/core/tests/num/nan.rs b/library/core/tests/num/nan.rs new file mode 100644 index 000000000..ef81988c9 --- /dev/null +++ b/library/core/tests/num/nan.rs @@ -0,0 +1,7 @@ +#[test] +fn test_nan() { + let x = "NaN".to_string(); + assert_eq!(format!("{}", f64::NAN), x); + assert_eq!(format!("{:e}", f64::NAN), x); + assert_eq!(format!("{:E}", f64::NAN), x); +} |