xref: /external/guava/guava-testlib/src/com/google/common/collect/testing/testers/Platform.java

/*
 * Copyright (C) 2009 The Guava Authors
 *
 * 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 com.google.common.collect.testing.testers;

import java.lang.reflect.Method;

/**
 * This class is emulated in GWT.
 *
 * @author Hayward Chan
 */
class Platform {

  /**
   * Delegate to {@link Class#getMethod(String, Class[])}.  Not
   * usable in GWT.
   */
  static Method getMethod(Class<?> clazz, String methodName) {
    try {
      return clazz.getMethod(methodName);
    } catch (NoSuchMethodException e) {
      throw new RuntimeException(e);
    }
  }

  /**
   * Format the template with args, only supports the placeholder
   * {@code %s}.
   */
  static String format(String template, Object... args) {
    return String.format(template, args);
  }

  /** See {@link ListListIteratorTester} */
  static int listListIteratorTesterNumIterations() {
    return 4;
  }

  /** See {@link CollectionIteratorTester} */
  static int collectionIteratorTesterNumIterations() {
    return 5;
  }
}