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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/datastore/buffer_stats.h>
#include <vespa/vespalib/datastore/memory_stats.h>
#include <vespa/vespalib/gtest/gtest.h>
using namespace vespalib::datastore;
TEST(BufferStatsTest, buffer_stats_to_memory_stats)
{
InternalBufferStats buf;
buf.set_alloc_entries(17);
buf.pushed_back(7);
buf.set_dead_entries(5);
buf.set_hold_entries(3);
buf.inc_extra_used_bytes(13);
buf.inc_extra_hold_bytes(11);
MemoryStats mem;
constexpr size_t es = 8;
buf.add_to_mem_stats(es, mem);
EXPECT_EQ(17, mem._alloc_entries);
EXPECT_EQ(7, mem._used_entries);
EXPECT_EQ(5, mem._dead_entries);
EXPECT_EQ(3, mem._hold_entries);
EXPECT_EQ(17 * es + 13, mem._allocBytes);
EXPECT_EQ(7 * es + 13, mem._usedBytes);
EXPECT_EQ(5 * es, mem._deadBytes);
EXPECT_EQ(3 * es + 11, mem._holdBytes);
}
GTEST_MAIN_RUN_ALL_TESTS()
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