text: import { assert } from 'chai';
  
  import { MinStack } from './index';
  
  describe('MinStack', function() {
    it ('always true', () => {
      assert.equal(true, true);
    });
  
    it ('test', () => {
      var minStack = new MinStack();
      minStack.push(-2);
      minStack.push(0);
      minStack.push(-3);
      assert.equal(minStack.getMin(), -3);
      minStack.pop();
      assert.equal(minStack.top(), 0);
      assert.equal(minStack.getMin(), -2);
    });
  });
  