public void StringGeneratorAddValuesTest() { var generator = new StringGenerator(); generator.AddValues(FIRST_NAMES_1); generator.AddValues(FIRST_NAMES_2); for (var i = 0; i < 10; i++) { var value = generator.NextValue(); Assert.IsFalse(string.IsNullOrEmpty(value)); Assert.IsTrue(FIRST_NAMES_1.Contains(value) || FIRST_NAMES_2.Contains(value)); } }