mirror of https://github.com/mongodb/mongo
96 lines
3.7 KiB
JavaScript
96 lines
3.7 KiB
JavaScript
// Confirm correctness of $mod evaluation in aggregation.
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load("jstests/aggregation/extras/utils.js"); // For assertErrorCode and testExpression.
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load('jstests/libs/sbe_assert_error_override.js'); // Override error-code-checking APIs.
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(function() {
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"use strict";
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var testDB = db.getSiblingDB("expression_mod");
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assert.commandWorked(testDB.dropDatabase());
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var coll = testDB.getCollection("test");
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//
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// Confirm different input numeric types are evaluated correctly.
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//
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// Aggregate checking various combinations of number types.
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// The $match portion ensures they are of the correct type as the shell turns the ints back to
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// doubles at the end so we can not check types with assert.
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coll.save({});
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var result = coll.aggregate({
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$project: {
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_id: 0,
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dub_dub: {$mod: [138.5, 3.0]},
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dub_int: {$mod: [138.5, NumberLong(3)]},
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dub_long: {$mod: [138.5, NumberInt(3)]},
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int_dub: {$mod: [NumberInt(8), 3.25]},
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int_dubint: {$mod: [NumberInt(8), 3.0]},
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int_int: {$mod: [NumberInt(8), NumberInt(3)]},
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int_long: {$mod: [NumberInt(8), NumberLong(3)]},
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long_dub: {$mod: [NumberLong(8), 3.25]},
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long_dubint: {$mod: [NumberLong(8), 3.0]},
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long_dublong: {$mod: [NumberLong(500000000000), 450000000000.0]},
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long_int: {$mod: [NumberLong(8), NumberInt(3)]},
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long_long: {$mod: [NumberLong(8), NumberLong(3)]},
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verylong_verylong: {$mod: [NumberLong(800000000000), NumberLong(300000000000)]}
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}
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},
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{
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$match: {
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// 1 is NumberDouble
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dub_dub: {$type: 1},
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dub_int: {$type: 1},
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dub_long: {$type: 1},
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int_dub: {$type: 1},
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// 16 is NumberInt
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int_dubint: {$type: 16},
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int_int: {$type: 16},
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// 18 is NumberLong
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int_long: {$type: 18},
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long_dub: {$type: 1},
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long_dubint: {$type: 18},
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long_dublong: {$type: 1},
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long_int: {$type: 18},
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long_long: {$type: 18},
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verylong_verylong: {$type: 18}
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}
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});
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// Correct answers (it is mainly the types that are important here).
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var expectedResult = [{
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dub_dub: 0.5,
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dub_int: 0.5,
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dub_long: 0.5,
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int_dub: 1.5,
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int_dubint: 2,
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int_int: 2,
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int_long: NumberLong(2),
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long_dub: 1.5,
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long_dubint: NumberLong(2),
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long_dublong: 50000000000,
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long_int: NumberLong(2),
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long_long: NumberLong(2),
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verylong_verylong: NumberLong(200000000000)
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}];
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assert.eq(result.toArray(), expectedResult, tojson(result));
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//
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// Confirm error cases.
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//
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// Confirm mod by 0 fails in an expected manner.
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assertErrorCode(coll, {$project: {a: {$mod: [10, 0 /*double*/]}}}, 16610);
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assertErrorCode(coll, {$project: {a: {$mod: [NumberInt(10), NumberInt(0)]}}}, 16610);
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assertErrorCode(coll, {$project: {a: {$mod: [NumberLong(10), NumberLong(0)]}}}, 16610);
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// Confirm expected behavior for NaN and Infinity values.
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testExpression(coll, {$mod: [10, NaN]}, NaN);
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testExpression(coll, {$mod: [10, Infinity]}, 10);
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testExpression(coll, {$mod: [10, -Infinity]}, 10);
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testExpression(coll, {$mod: [Infinity, 10]}, NaN);
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testExpression(coll, {$mod: [-Infinity, 10]}, NaN);
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testExpression(coll, {$mod: [NaN, 10]}, NaN);
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})();
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