rocksdb/table/cleanable_test.cc
Maysam Yabandeh d0ba8ec8f9 Revert "PinnableSlice"
Summary:
This reverts commit 54d94e9c2c.

The pull request was landed by mistake.
Closes https://github.com/facebook/rocksdb/pull/1755

Differential Revision: D4391678

Pulled By: maysamyabandeh

fbshipit-source-id: 36d5149
2017-01-08 14:24:12 -08:00

184 lines
4.2 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include <functional>
#include "port/port.h"
#include "port/stack_trace.h"
#include "rocksdb/iostats_context.h"
#include "rocksdb/perf_context.h"
#include "util/testharness.h"
#include "util/testutil.h"
namespace rocksdb {
class CleanableTest : public testing::Test {};
// Use this to keep track of the cleanups that were actually performed
void Multiplier(void* arg1, void* arg2) {
int* res = reinterpret_cast<int*>(arg1);
int* num = reinterpret_cast<int*>(arg2);
*res *= *num;
}
// the first Cleanup is on stack and the rest on heap, so test with both cases
TEST_F(CleanableTest, Register) {
int n2 = 2, n3 = 3;
int res = 1;
{ Cleanable c1; }
// ~Cleanable
ASSERT_EQ(1, res);
res = 1;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
}
// ~Cleanable
ASSERT_EQ(2, res);
res = 1;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.RegisterCleanup(Multiplier, &res, &n3); // res = 2 * 3;
}
// ~Cleanable
ASSERT_EQ(6, res);
}
// the first Cleanup is on stack and the rest on heap,
// so test all the combinations of them
TEST_F(CleanableTest, Delegation) {
int n2 = 2, n3 = 3, n5 = 5, n7 = 7;
int res = 1;
{
Cleanable c2;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.DelegateCleanupsTo(&c2);
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(2, res);
res = 1;
{
Cleanable c2;
{
Cleanable c1;
c1.DelegateCleanupsTo(&c2);
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(1, res);
res = 1;
{
Cleanable c2;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.RegisterCleanup(Multiplier, &res, &n3); // res = 2 * 3;
c1.DelegateCleanupsTo(&c2);
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(6, res);
res = 1;
{
Cleanable c2;
c2.RegisterCleanup(Multiplier, &res, &n5); // res = 5;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.RegisterCleanup(Multiplier, &res, &n3); // res = 2 * 3;
c1.DelegateCleanupsTo(&c2); // res = 2 * 3 * 5;
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(30, res);
res = 1;
{
Cleanable c2;
c2.RegisterCleanup(Multiplier, &res, &n5); // res = 5;
c2.RegisterCleanup(Multiplier, &res, &n7); // res = 5 * 7;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.RegisterCleanup(Multiplier, &res, &n3); // res = 2 * 3;
c1.DelegateCleanupsTo(&c2); // res = 2 * 3 * 5 * 7;
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(210, res);
res = 1;
{
Cleanable c2;
c2.RegisterCleanup(Multiplier, &res, &n5); // res = 5;
c2.RegisterCleanup(Multiplier, &res, &n7); // res = 5 * 7;
{
Cleanable c1;
c1.RegisterCleanup(Multiplier, &res, &n2); // res = 2;
c1.DelegateCleanupsTo(&c2); // res = 2 * 5 * 7;
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(70, res);
res = 1;
{
Cleanable c2;
c2.RegisterCleanup(Multiplier, &res, &n5); // res = 5;
c2.RegisterCleanup(Multiplier, &res, &n7); // res = 5 * 7;
{
Cleanable c1;
c1.DelegateCleanupsTo(&c2); // res = 5 * 7;
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(35, res);
res = 1;
{
Cleanable c2;
c2.RegisterCleanup(Multiplier, &res, &n5); // res = 5;
{
Cleanable c1;
c1.DelegateCleanupsTo(&c2); // res = 5;
}
// ~Cleanable
ASSERT_EQ(1, res);
}
// ~Cleanable
ASSERT_EQ(5, res);
}
} // namespace rocksdb
int main(int argc, char** argv) {
rocksdb::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}