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/*
*
* Copyright 2018 gRPC authors.
*
* 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 <grpc/impl/codegen/port_platform.h>
#include "src/cpp/server/load_reporter/get_cpu_stats.h"
#include <gtest/gtest.h>
#include <grpc/grpc.h>
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
namespace grpc {
namespace testing {
namespace {
TEST(GetCpuStatsTest, ReadOnce) { grpc::load_reporter::GetCpuStatsImpl(); }
TEST(GetCpuStatsTest, BusyNoLargerThanTotal) {
auto p = grpc::load_reporter::GetCpuStatsImpl();
uint64_t busy = p.first;
uint64_t total = p.second;
ASSERT_LE(busy, total);
}
TEST(GetCpuStatsTest, Ascending) {
const size_t kRuns = 100;
auto prev = grpc::load_reporter::GetCpuStatsImpl();
for (size_t i = 0; i < kRuns; ++i) {
auto cur = grpc::load_reporter::GetCpuStatsImpl();
ASSERT_LE(prev.first, cur.first);
ASSERT_LE(prev.second, cur.second);
prev = cur;
}
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(&argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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