Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.4)
// Compass (v1.0.0.alpha.18)
// ----

/**
 * Sass test runner in a tweet
 */

@mixin expect($a, $b) {
  #{if($a == $b, Passed, Failed)} {
    Expected: $a to equal $b;
  }
}

@include expect(1, 1);
@include expect((1, 2, 3), (1, 2, 3));

SassMeister-output.css

/**
 * Sass test runner in a tweet
 */
Passed {
  Expected: 1 to equal 1;
}

Passed {
  Expected: 1, 2, 3 to equal 1, 2, 3;
}