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// @tags: [requires_non_retryable_writes]
// Check that $all matching null is consistent with $in - SERVER-3820
t = db.jstests_all3;
t.drop();
t.save({});
assert.eq(1, t.count({foo: {$in: [null]}}));
assert.eq(1, t.count({foo: {$all: [null]}}));
assert.eq(0, t.count({foo: {$not: {$all: [null]}}}));
assert.eq(0, t.count({foo: {$not: {$in: [null]}}}));
t.remove({});
t.save({foo: 1});
assert.eq(0, t.count({foo: {$in: [null]}}));
assert.eq(0, t.count({foo: {$all: [null]}}));
assert.eq(1, t.count({foo: {$not: {$in: [null]}}}));
assert.eq(1, t.count({foo: {$not: {$all: [null]}}}));
t.remove({});
t.save({foo: [0, 1]});
assert.eq(1, t.count({foo: {$in: [[0, 1]]}}));
assert.eq(1, t.count({foo: {$all: [[0, 1]]}}));
t.remove({});
t.save({foo: []});
assert.eq(1, t.count({foo: {$in: [[]]}}));
assert.eq(1, t.count({foo: {$all: [[]]}}));
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