OptionalsTest.java

package io.dropwizard.util;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class OptionalsTest {
    @Test
    public void testFromGuavaOptional() throws Exception {
        assertFalse(Optionals.fromGuavaOptional(com.google.common.base.Optional.absent()).isPresent());
        assertTrue(Optionals.fromGuavaOptional(com.google.common.base.Optional.of("Foo")).isPresent());
        assertEquals(
            java.util.Optional.of("Foo"),
            Optionals.fromGuavaOptional(com.google.common.base.Optional.of("Foo"))
        );
    }

    @Test
    public void testToGuavaOptional() throws Exception {
        assertFalse(Optionals.toGuavaOptional(java.util.Optional.empty()).isPresent());
        assertTrue(Optionals.toGuavaOptional(java.util.Optional.of("Foo")).isPresent());
        assertEquals(
            com.google.common.base.Optional.of("Foo"),
            Optionals.toGuavaOptional(java.util.Optional.of("Foo"))
        );
    }
}