generic-vec 0.1.2

a vector implementation that can be used in `no_std` envioronments
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// use std::string::ToString;

#[test]
fn drain() {
    let output = mockalloc::record_allocs(|| {
        new_vec!(mut vec, max(8));

        vec.extend([0, 1, 2, 3, 4, 5, 6, 7].iter().map(|x| S!(x)));

        assert_eq!(vec, S!([0, 1, 2, 3, 4, 5, 6, 7]));

        vec.drain(4..7);

        assert_eq!(vec, S!([0, 1, 2, 3, 7]));

        assert!(vec.drain(1..3).rev().eq([2, 1].iter().map(|x| S!(x))));

        assert_eq!(vec, S!([0, 3, 7]));
    });

    assert_eq!(output.mem_allocated(), output.mem_freed() + leak!(drain));
}

#[test]
fn drain_filter() {
    let output = mockalloc::record_allocs(|| {
        new_vec!(mut vec, max(8));

        vec.extend(
            ["0", "00", "000", "0000", "00000", "000000", "0000000", "00000000"]
                .iter()
                .map(|x| S!(x)),
        );

        vec.drain_filter(.., |x| x.len() % 2 == 0);

        assert_eq!(vec, S!(["0", "000", "00000", "0000000",]));

        assert!(vec.drain_filter(.., |x| x.len() % 3 == 0).eq(Some(S!("000"))));

        assert_eq!(vec, S!(["0", "00000", "0000000",]));
    });

    assert_eq!(output.mem_allocated(), output.mem_freed() + leak!(drain_filter));
}