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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy 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,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.server.wifi;
     18 
     19 import java.lang.annotation.Annotation;
     20 import java.lang.reflect.Method;
     21 
     22 /**
     23  * Generial Utilities for Wifi tests
     24  */
     25 public class WifiTestUtil {
     26 
     27     /**
     28      * Walk up the stack and find the first method annotated with @Test
     29      * Note: this will evaluate all overloads with the method name for the @Test annotation
     30      */
     31     public static String getTestMethod() {
     32         StackTraceElement[] stack = Thread.currentThread().getStackTrace();
     33         for (StackTraceElement e : stack) {
     34             if (e.isNativeMethod()) {
     35                 continue;
     36             }
     37             Class clazz;
     38             try {
     39                 clazz = Class.forName(e.getClassName());
     40             } catch (ClassNotFoundException ex) {
     41                 throw new RuntimeException("Could not find class from stack", ex);
     42             }
     43             Method[] methods = clazz.getDeclaredMethods();
     44             for (Method method : methods) {
     45                 if (method.getName().equals(e.getMethodName())) {
     46                     Annotation[] annotations = method.getDeclaredAnnotations();
     47                     for (Annotation annotation : annotations) {
     48                         if (annotation.annotationType().equals(org.junit.Test.class)) {
     49                             return e.getClassName() + "#" + e.getMethodName();
     50                         }
     51                     }
     52                 }
     53             }
     54         }
     55         throw new RuntimeException("Could not find a test method in the stack");
     56     }
     57 }
     58