Play Framework/Scala example source code file (OptionTest.java)

This example Play Framework source code file (OptionTest.java) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Play Framework (and Scala) source code examples by using tags.

All credit for the original source code belongs to Play Framework; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Play Framework tags/keywords

charsequence, integer, lib, library, object, optiontest, play, play framework, string, test

The OptionTest.java Play Framework example source code

/*
 * Copyright (C) 2009-2013 Typesafe Inc. <http://www.typesafe.com>
 */
package play;

import org.junit.Test;

import play.libs.F;
import play.libs.F.Option;

import static org.fest.assertions.Assertions.assertThat;

// see http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html#toArray(T[])
public class OptionTest {

    @Test
    public void testSomeToArray() {
        F.Option<String> a = Option.Some("a");
        assertThat(a.toArray()).isEqualTo(new Object[]{"a"});
        assertThat(a.toArray(new String[]{})).isEqualTo(new String[]{"a"});
        assertThat(a.toArray(new CharSequence[]{})).isEqualTo(new String[]{"a"});
        String[] b = {null, "b", null , "c"};
        assertThat(a.toArray(b)).isEqualTo(new String[]{"a", null, null, null});
    }

    @Test
    public void testNoneToArray() {
        F.Option<String> a = Option.<String>None();
        assertThat(a.toArray()).isEqualTo(new Object[]{});
        assertThat(a.toArray(new String[]{})).isEqualTo(new String[]{});
        assertThat(a.toArray(new CharSequence[]{})).isEqualTo(new String[]{});
        String[] b = {null, "b", null , "c"};
        assertThat(a.toArray(b)).isEqualTo(new String[]{null, null, null, null});
    }

    @Test(expected=ArrayStoreException.class)
    public void throwArrayStoreException() {
        F.Option<String> a = Option.Some("a");
        a.toArray(new Integer[]{});
    }

}