@import './functions';
@import 'true';

@include describe('extract-unit') {
  @include it('returns unit of measure for a given number') {
    $result: extract-unit(10em);

    @include assert-equal(extract-unit(10em), 1em);
    @include assert-equal(unit($result), 'em');
  }
}

@include describe('strip-unit') {
  @include it('returns number with no unit of measure') {
    $stripped: strip-unit(10em);

    @include assert-equal($stripped, 10);
    @include assert-true(unitless($stripped));
  }
}

@include describe('px-to-rem') {
  @include it('converts single px value to rem') {
    $result: px-to-rem(16px);

    @include assert-equal($result, 1rem);
  }

  @include it('converts multiple px values to rem') {
    $result: px-to-rem(16px 12px 16px 12px);

    @include assert-equal($result, 1rem 0.75rem 1rem 0.75rem);
  }

  @include it('does not convert non-px values') {
    $result: px-to-rem(16em 12px 16px 12px);

    @include assert-equal($result, 16em 0.75rem 1rem 0.75rem);
  }
}

@include describe('if-important') {
  @include it('returns `!important` if `$important` is `true`') {
    $result: if-important(true);

    @include assert-equal($result, '!important');
  }

  @include it('returns an empty string if `$important` is `false`') {
    $result: if-important(false);

    @include assert-equal($result, '');
  }
}