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      1 /*
      2  * Copyright (C) 2009 The Guava Authors
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License.  You may obtain a copy
      6  * of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.google.common.collect.testing.testers;
     18 
     19 import java.lang.reflect.Method;
     20 
     21 /**
     22  * This class is emulated in GWT.
     23  *
     24  * @author Hayward Chan
     25  */
     26 class Platform {
     27 
     28   /**
     29    * Delegate to {@link Class#getMethod(String, Class[])}.  Not
     30    * usable in GWT.
     31    */
     32   static Method getMethod(Class<?> clazz, String methodName) {
     33     try {
     34       return clazz.getMethod(methodName);
     35     } catch (NoSuchMethodException e) {
     36       throw new RuntimeException(e);
     37     }
     38   }
     39 
     40   /**
     41    * Format the template with args, only supports the placeholder
     42    * {@code %s}.
     43    */
     44   static String format(String template, Object... args) {
     45     return String.format(template, args);
     46   }
     47 
     48   /** See {@link ListListIteratorTester} */
     49   static int listListIteratorTesterNumIterations() {
     50     return 4;
     51   }
     52 
     53   /** See {@link CollectionIteratorTester} */
     54   static int collectionIteratorTesterNumIterations() {
     55     return 5;
     56   }
     57 }
     58