// Unit Tests
// ==========


// Convert Length
// --------------
@include test-module('convert-units [function]') {
  @include test('No conversion for equal units') {
    @include assert-equal(
      convert-units(6em, 'em'),
      6em,
      'Return length directly when from- and to- units match.');
  }

  @include test('Convert px to em') {
    @include assert-equal(
      convert-units(16px, 'em'),
      1em,
      'Returns em length from px input.');
  }

  @include test('Convert px to %') {
    @include assert-equal(
      convert-units(16px, '%', $to-context: 1600px),
      1%,
      'Returns % conversion from px.');
  }

  @include test('Convert em to %') {
    @include assert-equal(
      convert-units(1.35em, '%', $to-context: 600px),
      3.6%,
      'Returns % conversion from em.');
  }

  @include test('Convert px to ex') {
    @include assert-equal(
      convert-units(16px, 'ex'),
      2ex,
      'Returns ex conversion from px.');
  }

  @include test('Convert % to px') {
    @include assert-equal(
      convert-units(150%, 'px', 18px),
      27px,
      'Returns px conversion from %.');
  }

  @include test('Convert px to rem') {
    @include assert-equal(
      convert-units(1px, 'rem'),
      0.0625rem,
      'Returns rem conversion from px.');
  }

  @include test('Convert em to mm') {
    @include assert-equal(
      convert-units(2em, 'mm', 18px),
      9.525mm,
      'Returns mm conversion from em.');
  }

  @include test('Convert rem to px') {
    @include assert-equal(
      convert-units(1rem, 'px'),
      16px,
      'Returns px conversion from rem.');
  }
}