31d3e41810
Summary: Allow `std::move(pinnable_slice)`. Closes https://github.com/facebook/rocksdb/pull/2997 Differential Revision: D6036782 Pulled By: yiwu-arbug fbshipit-source-id: 583fb0419a97e437ff530f4305822341cd3381fa
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "port/stack_trace.h"
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#include "rocksdb/slice.h"
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#include "util/testharness.h"
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namespace rocksdb {
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class SliceTest : public testing::Test {};
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namespace {
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void BumpCounter(void* arg1, void* arg2) {
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(*reinterpret_cast<int*>(arg1))++;
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}
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} // anonymous namespace
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TEST_F(SliceTest, PinnableSliceMoveConstruct) {
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for (int i = 0; i < 3; i++) {
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int orig_cleanup = 0;
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int moved_cleanup = 0;
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PinnableSlice* s1 = nullptr;
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std::string external_storage;
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switch (i) {
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case 0:
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s1 = new PinnableSlice();
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*(s1->GetSelf()) = "foo";
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s1->PinSelf();
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s1->RegisterCleanup(BumpCounter, &moved_cleanup, nullptr);
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break;
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case 1:
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s1 = new PinnableSlice(&external_storage);
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*(s1->GetSelf()) = "foo";
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s1->PinSelf();
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s1->RegisterCleanup(BumpCounter, &moved_cleanup, nullptr);
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break;
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case 2:
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s1 = new PinnableSlice();
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s1->PinSlice("foo", BumpCounter, &moved_cleanup, nullptr);
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break;
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}
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ASSERT_EQ("foo", s1->ToString());
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PinnableSlice* s2 = new PinnableSlice();
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s2->PinSelf("bar");
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ASSERT_EQ("bar", s2->ToString());
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s2->RegisterCleanup(BumpCounter, &orig_cleanup, nullptr);
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*s2 = std::move(*s1);
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ASSERT_EQ("foo", s2->ToString());
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ASSERT_EQ(1, orig_cleanup);
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ASSERT_EQ(0, moved_cleanup);
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delete s1;
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// ASAN will check if it will access storage of s1, which is deleted.
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ASSERT_EQ("foo", s2->ToString());
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ASSERT_EQ(1, orig_cleanup);
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ASSERT_EQ(0, moved_cleanup);
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delete s2;
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ASSERT_EQ(1, orig_cleanup);
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ASSERT_EQ(1, moved_cleanup);
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}
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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rocksdb::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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