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// Index bounds generation tests for MaxKey values.
// @tags: [requires_non_retryable_writes, assumes_unsharded_collection]
(function() {
"use strict";
load("jstests/libs/analyze_plan.js"); // For assertCoveredQueryAndCount.
const coll = db.index_bounds_maxkey;
coll.drop();
assert.commandWorked(coll.createIndex({a: 1}));
assert.writeOK(coll.insert({a: MaxKey}));
// Test that queries involving comparison operators with MaxKey are covered.
const proj = {
a: 1,
_id: 0
};
assertCoveredQueryAndCount({collection: coll, query: {a: {$gt: MaxKey}}, project: proj, count: 0});
assertCoveredQueryAndCount({collection: coll, query: {a: {$gte: MaxKey}}, project: proj, count: 1});
assertCoveredQueryAndCount({collection: coll, query: {a: {$lt: MaxKey}}, project: proj, count: 0});
assertCoveredQueryAndCount({collection: coll, query: {a: {$lte: MaxKey}}, project: proj, count: 1});
// Test that all documents are considered less than MaxKey, regardless of the presence of
// the queried field 'a'.
coll.remove({});
assert.writeOK(coll.insert({a: "string"}));
assert.writeOK(coll.insert({a: {b: 1}}));
assert.writeOK(coll.insert({}));
assertCoveredQueryAndCount({collection: coll, query: {a: {$gt: MaxKey}}, project: proj, count: 0});
assertCoveredQueryAndCount({collection: coll, query: {a: {$gte: MaxKey}}, project: proj, count: 0});
assertCoveredQueryAndCount({collection: coll, query: {a: {$lt: MaxKey}}, project: proj, count: 3});
assertCoveredQueryAndCount({collection: coll, query: {a: {$lte: MaxKey}}, project: proj, count: 3});
})();
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