@mixin should($actual, $expect) {
  @if $bc-error {
    $expect: false !global;
  }

  $bc-asserts: $bc-asserts + 1 !global;

  $bc-actual: json-encode($bc-actual) !global;
  $bc-expect: json-encode($bc-expect) !global;

  @if not $expect {
    $bc-passing: false !global;
  }

  @if not $expect or $bc-setting-verbose {
    $status: " ✗";

    @if $bc-passing {
      $status: " ✔";
    }

    @if $bc-error-text {
      #{$status}:
        #{$bc-error-text}
        #{$bc-actual-text} #{$bc-actual}
        #{$bc-expect-text} #{$bc-expect};
    } @else {
      #{$status}:
        #{$bc-actual-text} #{$bc-actual}
        #{$bc-expect-text} #{$bc-expect};
    }
  }

  @if $bc-error-text {
    @if not index($bc-errors, $bc-error-text) {
      $bc-errors: append($bc-errors, $bc-error-text) !global;
    }
  }

  $bc-actual-text: null !global;
  $bc-expect-text: null !global;
  $bc-actual:      null !global;
  $bc-expect:      null !global;
  $bc-error-text:  null !global;
  $bc-error:      false !global;
}