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
17package com.android.server.testing.shadows;
18
19import dalvik.system.CloseGuard;
20
21import org.robolectric.annotation.Implements;
22
23@Implements(CloseGuard.class)
24public class ShadowCloseGuard {
25    private static final Reporter REPORTER = new Reporter();
26
27    public static boolean hasReported() {
28        return REPORTER.mReports > 0;
29    }
30
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
44        public void report(String message, Throwable allocationSite) {
45            mReports += 1;
46        }
47    }
48}
49