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      1 /*
      2  * Copyright (C) 2008 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 android.test;
     18 
     19 import java.lang.annotation.Retention;
     20 import java.lang.annotation.RetentionPolicy;
     21 import java.lang.annotation.Target;
     22 import java.lang.annotation.ElementType;
     23 
     24 /**
     25  * This annotation can be used on an {@link android.test.InstrumentationTestCase}'s
     26  * test methods. When the annotation is present, the test method is re-executed if
     27  * the test fails. The total number of executions is specified by the tolerance and
     28  * defaults to 1.
     29  */
     30 @Target(ElementType.METHOD)
     31 @Retention(RetentionPolicy.RUNTIME)
     32 public @interface FlakyTest {
     33     /**
     34      * Indicates how many times a test can run and fail before being reported
     35      * as a failed test. If the tolerance factor is less than 1, the test runs
     36      * only once.
     37      *
     38      * @return The total number of allowed run, the default is 1.
     39      */
     40     int tolerance() default 1;
     41 }
     42