cranpose-ui-layout 0.1.172

Layout contracts & policies for Cranpose
Documentation 
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use super::{ceil_to_px, round_to_px};

#[test]
fn rounding_a_length_to_a_pixel_sends_an_exact_half_up_the_way_kotlin_does() {
    assert_eq!(round_to_px(0.25, 2.0), 0.5);
    assert_eq!(round_to_px(-0.25, 2.0), 0.0);
    assert_eq!((-0.5f32).round(), -1.0);
    assert_eq!(round_to_px(0.3, 0.0), 0.3);
    assert!(round_to_px(f32::NAN, 2.0).is_nan());
}

#[test]
fn ceiling_a_length_to_a_pixel_takes_the_next_whole_pixel_up() {
    assert_eq!(ceil_to_px(15.1, 2.0), 15.5);
    assert_eq!(ceil_to_px(15.5, 2.0), 15.5);
    assert_eq!(ceil_to_px(-0.25, 2.0), 0.0);
    assert_eq!(ceil_to_px(0.3, 0.0), 0.3);
    assert_eq!(ceil_to_px(f32::INFINITY, 2.0), f32::INFINITY);
}