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- /*
- * Copyright 2014-present Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <folly/GLog.h>
- #include <folly/portability/GTest.h>
- #include <vector>
- TEST(LogEveryMs, basic) {
- std::vector<std::chrono::steady_clock::time_point> hist;
- while (hist.size() < 10) {
- FB_LOG_EVERY_MS(INFO, 10)
- << "test msg "
- << (hist.push_back(std::chrono::steady_clock::now()), hist.size());
- }
- bool atLeastOneIsGood = false;
- for (size_t i = 0; i < hist.size() - 1; ++i) {
- auto delta = hist[i + 1] - hist[i];
- if (delta > std::chrono::milliseconds(5) &&
- delta < std::chrono::milliseconds(15)) {
- atLeastOneIsGood = true;
- }
- }
- EXPECT_TRUE(atLeastOneIsGood);
- }
- TEST(LogEveryMs, zero) {
- int count = 0;
- for (int i = 0; i < 10; ++i) {
- FB_LOG_EVERY_MS(INFO, 0) << "test msg " << ++count;
- }
- EXPECT_EQ(10, count);
- }
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