graycoreio/daffodil

@use 'true' as *;
@use 'luminance';

@include describe('luminance') {
    @include it('should return 0 for black') {
        @include assert-equal(luminance.daff-luminance(#000000), 0);
    }

    @include it('should return 1 for white') {
        @include assert-equal(luminance.daff-luminance(#fff), 1);
    }

    @include it('should return 0.2126 for pure red') {
        @include assert-equal(luminance.daff-luminance(#ff0000), 0.2126);
    }

    @include it('should return 0.7152 for pure green') {
        @include assert-equal(luminance.daff-luminance(#00ff00), 0.7152);
    }

    @include it('should return 0.0722 for pure blue') {
        @include assert-equal(luminance.daff-luminance(#0000ff), 0.0722);
    }
}