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Common test module for all other modules

There is a newer version: 0.14

package com.github.gv2011.testutil;

/*-
 * #%L
 * util-test
 * %%
 * Copyright (C) 2016 - 2017 Vinz (https://github.com/gv2011)
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

import static org.hamcrest.core.IsEqual.equalTo;

import java.util.Map;

import org.hamcrest.Factory;
import org.hamcrest.FeatureMatcher;
import org.hamcrest.Matcher;

final class IsMapWithSize extends FeatureMatcher, Integer> {
  private IsMapWithSize(final Matcher sizeMatcher) {
    super(sizeMatcher, "a map with size", "map size");
  }

  @Override
  protected Integer featureValueOf(final Map actual) {
    return actual.size();
  }

  @Factory
  public static  Matcher> hasSize(final Matcher sizeMatcher) {
    return new IsMapWithSize<>(sizeMatcher);
  }


  @Factory
  public static  Matcher> hasSize(final int size) {
    final Matcher matcher = equalTo(size);
    return IsMapWithSize.hasSize(matcher);
  }

}