/*
 * Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jboss.errai.ui.client.local.spi;

import org.junit.Test;

import java.util.HashSet;
import java.util.Set;

import static org.junit.Assert.*;

/**
 * @author edewit@redhat.com
 * @author Christian Sadilek <csadilek@redhat.com>
 */
public class DictionaryTest {

  public static final String WELCOME_KEY = "welcome";
  public static final String NL = "nl";
  public static final String CH = "ch";

  @Test
  public void shouldBeAbleToInsertAndRetrieveValuesFromDictionary() {
    // given
    Dictionary dictionary = new Dictionary();

    // when
    dictionary.put(NL, WELCOME_KEY, "Goedendag");
    dictionary.put(CH, WELCOME_KEY, "Grüezi wohl");


    // then
    assertEquals("Goedendag", dictionary.get(NL).get(WELCOME_KEY));
    assertEquals("Grüezi wohl", dictionary.get(CH).get(WELCOME_KEY));

    assertNotNull(dictionary.get("ru"));
    assertTrue(dictionary.get("ru").isEmpty());

    final Set<String> treeSet = new HashSet<String>();
    treeSet.add(NL);
    treeSet.add(CH);
    assertEquals(treeSet, dictionary.getSupportedLocals());
  }
  
  /**
   * It was crucial for performance reasons to not return a
   * defensive copy from {@link Dictionary#get(String)}. Some
   * applications started up 5 times faster after removing the
   * copying. 
   */
  @Test
  public void shouldNotReturnDefensiveCopy() {
    // given
    Dictionary dictionary = new Dictionary();
    dictionary.put(NL, WELCOME_KEY, "Goedendag");

    // when
    dictionary.get(NL).put("try to", "break");

    // then
    assertEquals(2, dictionary.get(NL).size());
  }
}