28 lines
788 B
Rust
28 lines
788 B
Rust
use romantic::Roman;
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#[test]
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fn test_readme_roman() {
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let roman = Roman::default();
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assert_eq!(roman.to_string(2022).unwrap(), "MMXXII");
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assert_eq!(roman.from_str::<i32>("MMXXII").unwrap(), 2022);
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// The default Roman numeral has a maximum of 3999.
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assert!(roman.to_string(4000).is_err());
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}
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#[test]
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fn test_readme_custom() {
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// The order of characters in the array determines their value.
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// Here, A equals 1 and B equals 5.
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let custom = Roman::new(&['A', 'B']);
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assert_eq!(custom.to_string(6).unwrap(), "BA");
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assert_eq!(custom.from_str::<i32>("BA").unwrap(), 6);
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// With only 2 characters, the maximum value you can get is 8
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// (the equivalent of VIII). To increase the maximum range, use
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// more characters.
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assert!(custom.to_string(9).is_err());
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}
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