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46 lines
1.5 KiB
46 lines
1.5 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <malloc.h>
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#include <stdint.h>
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#include <gtest/gtest.h>
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namespace unwindstack {
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void TestCheckForLeaks(void (*unwind_func)(void*), void* data) {
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static constexpr size_t kNumLeakLoops = 200;
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static constexpr size_t kMaxAllowedLeakBytes = 32 * 1024;
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size_t first_allocated_bytes = 0;
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size_t last_allocated_bytes = 0;
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for (size_t i = 0; i < kNumLeakLoops; i++) {
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unwind_func(data);
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size_t allocated_bytes = mallinfo().uordblks;
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if (first_allocated_bytes == 0) {
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first_allocated_bytes = allocated_bytes;
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} else if (last_allocated_bytes > first_allocated_bytes) {
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// Check that the memory did not increase too much over the first loop.
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ASSERT_LE(last_allocated_bytes - first_allocated_bytes, kMaxAllowedLeakBytes)
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<< "Failed on loop " << i + 1;
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}
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last_allocated_bytes = allocated_bytes;
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}
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}
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} // namespace unwindstack
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