46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
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#![allow(non_snake_case)]
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macro_rules! test {
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($($name:ident($value:expr, $expected:expr))*) => {
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$(
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#[test]
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fn $name() {
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let mut buffer = itoa::Buffer::new();
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let s = buffer.format($value);
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assert_eq!(s, $expected);
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}
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)*
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}
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}
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test! {
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test_u64_0(0u64, "0")
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test_u64_half(u64::from(u32::MAX), "4294967295")
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test_u64_max(u64::MAX, "18446744073709551615")
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test_i64_min(i64::MIN, "-9223372036854775808")
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test_i16_0(0i16, "0")
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test_i16_min(i16::MIN, "-32768")
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test_u128_0(0u128, "0")
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test_u128_max(u128::MAX, "340282366920938463463374607431768211455")
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test_i128_min(i128::MIN, "-170141183460469231731687303715884105728")
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test_i128_max(i128::MAX, "170141183460469231731687303715884105727")
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}
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#[test]
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fn test_max_str_len() {
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use itoa::Integer as _;
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assert_eq!(i8::MAX_STR_LEN, 4);
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assert_eq!(u8::MAX_STR_LEN, 3);
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assert_eq!(i16::MAX_STR_LEN, 6);
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assert_eq!(u16::MAX_STR_LEN, 5);
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assert_eq!(i32::MAX_STR_LEN, 11);
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assert_eq!(u32::MAX_STR_LEN, 10);
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assert_eq!(i64::MAX_STR_LEN, 20);
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assert_eq!(u64::MAX_STR_LEN, 20);
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assert_eq!(i128::MAX_STR_LEN, 40);
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assert_eq!(u128::MAX_STR_LEN, 39);
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}
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