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// @tags: [
// requires_non_retryable_writes,
// ]
// Test query empty array SERVER-2258
t = db.jstests_arrayfind4;
t.drop();
t.save({a: []});
t.ensureIndex({a: 1});
assert.eq(1, t.find({a: []}).hint({$natural: 1}).itcount());
assert.eq(1, t.find({a: []}).hint({a: 1}).itcount());
assert.eq(1, t.find({a: {$in: [[]]}}).hint({$natural: 1}).itcount());
assert.eq(1, t.find({a: {$in: [[]]}}).hint({a: 1}).itcount());
t.remove({});
t.save({a: [[]]});
assert.eq(1, t.find({a: []}).hint({$natural: 1}).itcount());
assert.eq(1, t.find({a: []}).hint({a: 1}).itcount());
assert.eq(1, t.find({a: {$in: [[]]}}).hint({$natural: 1}).itcount());
assert.eq(1, t.find({a: {$in: [[]]}}).hint({a: 1}).itcount());
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