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AssertJ-DB - Rich and fluent assertions for testing with database

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/**
 * 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.
 *
 * Copyright 2012-2015 the original author or authors.
 */
package org.assertj.db.error;

import org.assertj.core.error.BasicErrorMessageFactory;
import org.assertj.core.error.ErrorMessageFactory;

/**
 * Creates an error message indicating that an assertion that verifies that a value is not null.
 * 
 * @author Régis Pouiller
 * 
 */
public class ShouldContainsOnlyNull extends BasicErrorMessageFactory {

  /**
   * Creates a new {@link ShouldContainsOnlyNull}.
   * 
   * @param index The index of value in the failed assertion.
   * @return the created {@code ErrorMessageFactory}.
   */
  public static ErrorMessageFactory shouldContainsOnlyNull(int index) {
    return new ShouldContainsOnlyNull(index);
  }

  /**
   * Constructor.
   * 
   * @param index The index of value in the failed assertion.
   */
  private ShouldContainsOnlyNull(int index) {
    super("\nExpecting to contain only null:\nbut contains not null at index: %s", index);
  }
}