be/test/runtime/memory/mem_tracker_test.cpp

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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#include <gtest/gtest-message.h>
#include <gtest/gtest-test-part.h>

#include <memory>

#include "gtest/gtest_pred_impl.h"
#include "runtime/memory/mem_tracker_limiter.h"

namespace doris {

TEST(MemTrackerTest, SingleTrackerNoLimit) {
    auto t = MemTrackerLimiter::create_shared(MemTrackerLimiter::Type::GLOBAL, "UT");
    EXPECT_FALSE(t->limit() >= 0);
    t->consume(10);
    EXPECT_EQ(t->consumption(), 10);
    t->consume(10);
    EXPECT_EQ(t->consumption(), 20);
    t->release(15);
    EXPECT_EQ(t->consumption(), 5);
    t->release(5);
}

TEST(MemTrackerTest, SingleTrackerWithLimit) {
    auto t = std::make_unique<MemTrackerLimiter>(MemTrackerLimiter::Type::GLOBAL, "limit tracker",
                                                 11);
    t->consume(10);
    EXPECT_EQ(t->consumption(), 10);
    t->consume(10);
    EXPECT_EQ(t->consumption(), 20);
    t->release(15);
    EXPECT_EQ(t->consumption(), 5);
    t->release(5);
}

} // end namespace doris