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/*-
* Public Domain 2014-present MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "src/component/op_tracker.cpp"
#include "src/main/test.h"
using namespace test_harness;
/*
* This test performs cursor traversal operations next() and prev() on a collection with both
* bounded and normal cursors. The performance of both cursors are tracked and the average time
* taken is added to the perf file. The test traverses all keys in the collection.
*/
class bounded_cursor_perf : public test {
public:
bounded_cursor_perf(const test_args &args) : test(args)
{
init_tracking();
}
static void
set_bounds(scoped_cursor &cursor)
{
cursor->set_key(cursor.get(), std::string(1, ('0' - 1)).c_str());
cursor->bound(cursor.get(), "bound=lower");
cursor->set_key(cursor.get(), std::string(1, ('9' + 1)).c_str());
cursor->bound(cursor.get(), "bound=upper");
}
void
read_operation(thread_context *tc) override final
{
/* This test will only work with one read thread. */
testutil_assert(tc->thread_count == 1);
/*
* Each read operation performs next() and prev() calls with both normal cursors and bounded
* cursors.
*/
int range_ret_next, range_ret_prev, ret_next, ret_prev;
/* Initialize the op trackers. */
op_tracker bounded_next("bounded_next", test::_args.test_name);
op_tracker default_next("default_next", test::_args.test_name);
op_tracker bounded_prev("bounded_prev", test::_args.test_name);
op_tracker default_prev("default_prev", test::_args.test_name);
/* Get the collection to work on. */
testutil_assert(tc->collection_count == 1);
collection &coll = tc->db.get_collection(0);
/* Opening the cursors. */
scoped_cursor next_cursor = tc->session.open_scoped_cursor(coll.name);
scoped_cursor next_range_cursor = tc->session.open_scoped_cursor(coll.name);
scoped_cursor prev_cursor = tc->session.open_scoped_cursor(coll.name);
scoped_cursor prev_range_cursor = tc->session.open_scoped_cursor(coll.name);
/*
* The keys in the collection are contiguous from 0 -> key_count -1. Applying the range
* cursor bounds outside of the key range for the purpose of this test.
*/
set_bounds(next_range_cursor);
set_bounds(prev_range_cursor);
while (tc->running()) {
while (ret_next != WT_NOTFOUND && ret_prev != WT_NOTFOUND && tc->running()) {
range_ret_next = bounded_next.track([&next_range_cursor]() -> int {
return next_range_cursor->next(next_range_cursor.get());
});
ret_next = default_next.track(
[&next_cursor]() -> int { return next_cursor->next(next_cursor.get()); });
range_ret_prev = bounded_prev.track([&prev_range_cursor]() -> int {
return prev_range_cursor->prev(prev_range_cursor.get());
});
ret_prev = default_prev.track(
[&prev_cursor]() -> int { return prev_cursor->prev(prev_cursor.get()); });
testutil_assert((ret_next == 0 || ret_next == WT_NOTFOUND) &&
(ret_prev == 0 || ret_prev == WT_NOTFOUND));
testutil_assert((range_ret_prev == 0 || range_ret_prev == WT_NOTFOUND) &&
(range_ret_next == 0 || range_ret_next == WT_NOTFOUND));
}
set_bounds(next_range_cursor);
set_bounds(prev_range_cursor);
}
}
};
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