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/*
 * Copyright 2015 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.testing;

import java.util.List;
import java.util.ListIterator;

import br.com.objectos.core.testing.Testable;

import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;

/**
 * @author [email protected] (Marcio Endo)
 */
class MatcherTestableList> extends TypeSafeMatcher> {

  private final List thisList;

  public MatcherTestableList(List thisList) {
    this.thisList = thisList;
  }

  @Override
  public void describeTo(Description description) {
    String msg = String.format("contents equalTo resource at '%s'", thisList);
    description.appendText(msg);
  }

  @Override
  protected boolean matchesSafely(List thatList) {
    if (thatList == thisList) {
      return true;
    }

    ListIterator thisIter = thisList.listIterator();
    ListIterator thatIter = thatList.listIterator();

    while (thisIter.hasNext() && thatIter.hasNext()) {
      T thisObj = thisIter.next();
      T thatObj = thatIter.next();
      if (!(thisObj == null ? thatObj == null : thisObj.isEqual(thatObj))) {
        return false;
      }
    }

    return !(thisIter.hasNext() || thatIter.hasNext());
  }

}