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// Tests for $multiply aggregation expression.
(function() {
"use strict";
load("jstests/aggregation/extras/utils.js"); // For assertErrorCode().
load("jstests/libs/sbe_assert_error_override.js"); // Override error-code-checking APIs.
const coll = db.jstests_aggregation_multiply;
coll.drop();
const binaryTestCases = [
// Test various argument types pairs.
{document: {left: NumberInt(10), right: NumberInt(2)}, expected: NumberInt(20)},
{document: {left: NumberInt(10), right: 2.55}, expected: 25.5},
{document: {left: NumberInt(10), right: NumberLong("2")}, expected: NumberLong("20")},
{
document: {left: NumberInt(10), right: NumberDecimal("2.55")},
expected: NumberDecimal("25.50")
},
{document: {left: NumberInt(10), right: null}, expected: null},
{document: {left: 12.5, right: NumberInt(10)}, expected: 125},
{document: {left: 12.5, right: 2.5}, expected: 31.25},
{document: {left: 12.5, right: NumberLong("5")}, expected: 62.5},
{
document: {left: 12.5, right: NumberDecimal("2.5")},
expected: NumberDecimal("31.25000000000000")
},
{document: {left: 12.5, right: null}, expected: null},
{document: {left: NumberLong("10"), right: NumberInt(2)}, expected: NumberLong("20")},
{document: {left: NumberLong("10"), right: 2.55}, expected: 25.5},
{document: {left: NumberLong("10"), right: NumberLong("2")}, expected: NumberLong("20")},
{
document: {left: NumberLong("10"), right: NumberDecimal("2.55")},
expected: NumberDecimal("25.50")
},
{document: {left: NumberLong("10"), right: null}, expected: null},
{
document: {left: NumberDecimal("12.5"), right: NumberInt(10)},
expected: NumberDecimal("125.0")
},
{
document: {left: NumberDecimal("12.5"), right: 2.5},
expected: NumberDecimal("31.250000000000000")
},
{
document: {left: NumberDecimal("12.5"), right: NumberLong("5")},
expected: NumberDecimal("62.5")
},
{
document: {left: NumberDecimal("12.5"), right: NumberDecimal("2.5")},
expected: NumberDecimal("31.25")
},
{document: {left: NumberDecimal("12.5"), right: null}, expected: null},
{document: {left: null, right: NumberInt(2)}, expected: null},
{document: {left: null, right: 2.55}, expected: null},
{document: {left: null, right: NumberLong("2")}, expected: null},
{document: {left: null, right: NumberDecimal("2.55")}, expected: null},
{document: {left: null, right: null}, expected: null}
];
binaryTestCases.forEach(function(testCase) {
assert.commandWorked(coll.insert(testCase.document));
const result =
coll.aggregate({$project: {computed: {$multiply: ["$left", "$right"]}}}).toArray();
assert.eq(result.length, 1);
assert.eq(result[0].computed, testCase.expected);
assert(coll.drop());
});
const nAryTestCases = [
{
values: [
NumberInt(1),
NumberInt(2),
NumberInt(3),
NumberInt(4),
NumberInt(5),
NumberInt(6),
NumberInt(7),
NumberInt(8),
NumberInt(9),
NumberInt(10)
],
expected: NumberInt(3628800)
},
{values: [1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5], expected: 13427061.1083984375},
{
values: [
NumberLong(1),
NumberLong(2),
NumberLong(3),
NumberLong(4),
NumberLong(5),
NumberLong(6),
NumberLong(7),
NumberLong(8),
NumberLong(9),
NumberLong(10)
],
expected: NumberLong(3628800)
},
{
values: [
NumberDecimal("1.5"),
NumberDecimal("2.5"),
NumberDecimal("3.5"),
NumberDecimal("4.5"),
NumberDecimal("5.5"),
NumberDecimal("6.5"),
NumberDecimal("7.5"),
NumberDecimal("8.5"),
NumberDecimal("9.5"),
NumberDecimal("10.5")
],
expected: NumberDecimal("13427061.1083984375")
},
{values: [null, 2, 3, 4, 5, 6, 7, 8, 9, 10], expected: null},
{values: [1, 2, 3, 4, 5, null, 7, 8, 9, 10], expected: null},
{values: [1, 2, 3, 4, 5, 6, 7, 8, 9, null], expected: null},
];
nAryTestCases.forEach(function(testCase) {
const document = testCase.values.reduce((doc, val, idx) => {
doc["a" + idx] = val;
return doc;
}, {});
const multiplyArguments = Array.from({length: testCase.values.length}, (_, idx) => "$a" + idx);
assert.commandWorked(coll.insert(document));
const result = coll.aggregate({$project: {computed: {$multiply: multiplyArguments}}}).toArray();
assert.eq(result.length, 1);
assert.eq(result[0].computed, testCase.expected);
assert(coll.drop());
});
// Test error codes on incorrect use of $multiply.
const errorTestCases = [
{document: {left: 1, right: "not a number"}, errorCode: 16555},
{document: {left: "not a number", right: 1}, errorCode: 16555},
];
errorTestCases.forEach(function(testCase) {
assert.commandWorked(coll.insert(testCase.document));
assertErrorCode(
coll, {$project: {computed: {$multiply: ["$left", "$right"]}}}, testCase.errorCode);
assert(coll.drop());
});
}());
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