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#include <unordered_map>
#include <vector>
#include <gtest/gtest.h>
#include <cputimeinstate.h>
namespace android {
namespace bpf {
using std::vector;
TEST(TimeInStateTest, SingleUid) {
vector<vector<uint64_t>> times;
ASSERT_TRUE(getUidCpuFreqTimes(0, ×));
EXPECT_FALSE(times.empty());
}
TEST(TimeInStateTest, AllUid) {
vector<size_t> sizes;
std::unordered_map<uint32_t, vector<vector<uint64_t>>> map;
ASSERT_TRUE(getUidsCpuFreqTimes(&map));
ASSERT_FALSE(map.empty());
auto firstEntry = map.begin()->second;
for (const auto &subEntry : firstEntry) sizes.emplace_back(subEntry.size());
for (const auto &vec : map) {
ASSERT_EQ(vec.second.size(), sizes.size());
for (size_t i = 0; i < vec.second.size(); ++i) ASSERT_EQ(vec.second[i].size(), sizes[i]);
}
}
TEST(TimeInStateTest, RemoveUid) {
vector<vector<uint64_t>> times, times2;
ASSERT_TRUE(getUidCpuFreqTimes(0, ×));
ASSERT_FALSE(times.empty());
uint64_t sum = 0;
for (size_t i = 0; i < times.size(); ++i) {
for (auto x : times[i]) sum += x;
}
ASSERT_GT(sum, (uint64_t)0);
ASSERT_TRUE(clearUidCpuFreqTimes(0));
ASSERT_TRUE(getUidCpuFreqTimes(0, ×2));
ASSERT_EQ(times2.size(), times.size());
for (size_t i = 0; i < times.size(); ++i) {
ASSERT_EQ(times2[i].size(), times[i].size());
for (size_t j = 0; j < times[i].size(); ++j) ASSERT_LE(times2[i][j], times[i][j]);
}
}
} // namespace bpf
} // namespace android
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