1 /*
2  * Copyright (C) 2018 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.testing.shadows;
18 
19 import dalvik.system.CloseGuard;
20 
21 import org.robolectric.annotation.Implements;
22 
23 @Implements(CloseGuard.class)
24 public class ShadowCloseGuard {
25     private static final Reporter REPORTER = new Reporter();
26 
hasReported()27     public static boolean hasReported() {
28         return REPORTER.mReports > 0;
29     }
30 
setUp()31     public static void setUp() {
32         // Can't do this in static {} block because shadow initialization is part of real class
33         // initialization and it happens right in the beginning. When the shadow is being
34         // initialized the class hasn't been initialized yet and it will be after the shadow. So,
35         // REPORTER field (inside CloseGuard) will be assigned *after* setReporter() is called.
36         CloseGuard.setReporter(REPORTER);
37         REPORTER.mReports = 0;
38     }
39 
40     private static class Reporter implements CloseGuard.Reporter {
41         private int mReports = 0;
42 
43         @Override
report(String message, Throwable allocationSite)44         public void report(String message, Throwable allocationSite) {
45             mReports += 1;
46         }
47 
48         @Override
report(String message)49         public void report(String message) {
50             mReports += 1;
51         }
52     }
53 }
54