package ch.akuhn.util;
import static org.junit.Assert.assertEquals;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import org.junit.Test;
public class DefaultsTest {
@Test(expected = InvocationTargetException.class)
public void cannotInstantiate() throws Exception {
Constructor<Defaults> init = Defaults.class.getDeclaredConstructor();
init.setAccessible(true);
init.newInstance();
}
@Test
public void testInteger() {
Integer n = 23;
assertEquals(23, Defaults.to(n, 42));
}
@Test
public void testNull() {
String answer = null;
assertEquals("A", Defaults.to(answer, "A"));
}
@Test
public void testNullInteger() {
Integer n = null;
assertEquals(42, Defaults.to(n, 42));
}
@Test
public void testValue() {
String answer = "B";
assertEquals("B", Defaults.to(answer, "A"));
}
}