ShoppingStepdefs.java

package cucumber.examples.java.calculator;

import cucumber.api.java.en.Given;
import cucumber.api.java.en.Then;
import cucumber.api.java.en.When;

import java.util.List;

import static org.junit.Assert.assertEquals;

public class ShoppingStepdefs {
  private RpnCalculator calc = new RpnCalculator();

  @When("^test test fake (\\d)$")
  public void test_test_fake(int amount) {
    calc.push(amount);
    calc.push("-");
  }

  @Then("^test test fake test$")
  public void test_test_fake_test(int change) {
    assertEquals(-calc.value().intValue(), change);
  }

  public static class Grocery {
    public String name;
    public int price;
  }
}