use super::*; #[test] fn test_format_with_underscores() { assert_eq!("0", format_with_underscores(0)); assert_eq!("1", format_with_underscores(1)); assert_eq!("99", format_with_underscores(99)); assert_eq!("345", format_with_underscores(345)); assert_eq!("1_000", format_with_underscores(1_000)); assert_eq!("12_001", format_with_underscores(12_001)); assert_eq!("999_999", format_with_underscores(999_999)); assert_eq!("1_000_000", format_with_underscores(1_000_000)); assert_eq!("12_345_678", format_with_underscores(12_345_678)); }