Test cases for Plurals.java

PluralsTest.java

package com.bitgrind.text;

import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;

import static org.junit.Assert.assertThat;

import static org.junit.Assume.assumeNotNull;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;

@RunWith(Theories.class)
public class PluralsTest {

  // @formatter:off
  @DataPoints
  public static String[][] tests = {
      {"sausage", "sausages"},
      {"status", "statuses"},
      {"ax", "axes"},
      {"octopus", "octopi"},
      {"virus", "viri"},
      {"crush", "crushes"},
      {"crutch", "crutches"},
      {"matrix", "matrices"},
      {"index", "indices"},
      {"mouse", "mice"},
      {"quiz", "quizzes"},
      {"mailman", "mailmen"},
      {"man", "men"},
      {"wolf", "wolves"},
      {"wife", "wives"},
      {"price", "prices"},
      {"slice", "slices"},
      {"day", "days"},
      {"sky", "skies"},
      {"salesperson", "salespeople"},
  }; 
  // @formatter:on

  @Theory
  public void testPluralize(String[] testCase) {
    assumeNotNull((Object[]) testCase);
    assertThat(Plurals.pluralize(testCase[0]), is(equalTo(testCase[1])));
  }

  @Theory
  public void testSingularize(String[] testCase) {
    assumeNotNull((Object[]) testCase);
    assertThat(Plurals.singularize(testCase[1]), is(equalTo(testCase[0])));
  }

}