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// SERVER-42756 Test that commutative arithmetic operations with special arguments doesn't violate
// commutativity.
// @tags: [
// sbe_incompatible,
// ]
(function() {
"use strict";
const coll = db[jsTest.name()];
coll.drop();
const numbers = [1.0, NumberInt("1"), NumberLong("1"), NumberDecimal("1.0")];
const specials = [{val: NaN, path: "$nan"}, {val: Infinity, path: "$inf"}];
assert.commandWorked(coll.insert({inf: Infinity, nan: NaN}));
["$multiply", "$add", "$sum"].forEach((op) => {
(function testCommutativityWithConstArguments() {
specials.forEach((special) => {
numbers.forEach((num) => {
const expected = [
{a: (num instanceof NumberDecimal ? NumberDecimal(special.val) : special.val)}
];
assert.eq(expected,
coll.aggregate([{$project: {a: {[op]: [special.val, num]}, _id: 0}}])
.toArray());
assert.eq(expected,
coll.aggregate([{$project: {a: {[op]: [num, special.val]}, _id: 0}}])
.toArray());
});
});
})();
(function testCommutativityWithNonConstArgument() {
specials.forEach((special) => {
numbers.forEach((num) => {
const expected = [
{a: (num instanceof NumberDecimal ? NumberDecimal(special.val) : special.val)}
];
assert.eq(expected,
coll.aggregate([{$project: {a: {[op]: [special.path, num]}, _id: 0}}])
.toArray());
assert.eq(expected,
coll.aggregate([{$project: {a: {[op]: [num, special.path]}, _id: 0}}])
.toArray());
});
});
})();
});
})();
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