blob: e76f5f8deb1facf5fefef208142f10eabcb33d09 [file] [log] [blame]
Christopher Ferrise1f7a632019-01-24 12:22:03 -08001/*
2 * Copyright (C) 2019 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#include <malloc.h>
18#include <stdint.h>
19
20#include <gtest/gtest.h>
21
22namespace unwindstack {
23
24void TestCheckForLeaks(void (*unwind_func)(void*), void* data) {
25 static constexpr size_t kNumLeakLoops = 200;
26 static constexpr size_t kMaxAllowedLeakBytes = 32 * 1024;
27
28 size_t first_allocated_bytes = 0;
29 size_t last_allocated_bytes = 0;
30 for (size_t i = 0; i < kNumLeakLoops; i++) {
31 unwind_func(data);
32
33 size_t allocated_bytes = mallinfo().uordblks;
34 if (first_allocated_bytes == 0) {
35 first_allocated_bytes = allocated_bytes;
36 } else if (last_allocated_bytes > first_allocated_bytes) {
37 // Check that the memory did not increase too much over the first loop.
38 ASSERT_LE(last_allocated_bytes - first_allocated_bytes, kMaxAllowedLeakBytes);
39 }
40 last_allocated_bytes = allocated_bytes;
41 }
42}
43
44} // namespace unwindstack