INNER CODE UNIT · Rust

test_bits

ZenGo-X/curv · src/arithmetic/mod.rs:128

    fn test_bits() {
        let n = BigInt::from(0b1011001);
        let expectations = vec![true, false, true, true, false, false, true];

        for (i, expect) in expectations.into_iter().enumerate() {
            let i = 7 - i - 1;
            assert_eq!(n.test_bit(i), expect, "testing {} bit", i)
        }
    }

    #[test]
    fn test_setting_bit() {
        let mut n = BigInt::zero();

        n.set_bit(4, true);
        assert_eq!(n, BigInt::from(0b10000));
        n.set_bit(1, true);
        assert_eq!(n, BigInt::from(0b10010));

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