rocksdb/util/iostats_context_test.cc
Yi Wu 2568985ab3 IOStatsContext::ToString() add option to exclude zero counters
Summary: similar to D52809 add option to exclude zero counters.

Test Plan:
[yiwu@dev4504.prn1 ~/rocksdb] ./iostats_context_test
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from IOStatsContextTest
[ RUN      ] IOStatsContextTest.ToString
[       OK ] IOStatsContextTest.ToString (0 ms)
[----------] 1 test from IOStatsContextTest (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (0 ms total)
[  PASSED  ] 1 test.

Reviewers: anthony, yhchiang, andrewkr, IslamAbdelRahman, kradhakrishnan, sdong

Reviewed By: sdong

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D54591
2016-02-23 10:26:24 -08:00

30 lines
986 B
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 "rocksdb/iostats_context.h"
#include "util/testharness.h"
namespace rocksdb {
TEST(IOStatsContextTest, ToString) {
iostats_context.Reset();
iostats_context.bytes_read = 12345;
std::string zero_included = iostats_context.ToString();
ASSERT_NE(std::string::npos, zero_included.find("= 0"));
ASSERT_NE(std::string::npos, zero_included.find("= 12345"));
std::string zero_excluded = iostats_context.ToString(true);
ASSERT_EQ(std::string::npos, zero_excluded.find("= 0"));
ASSERT_NE(std::string::npos, zero_excluded.find("= 12345"));
}
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}