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path: root/jstests/aggregation/expressions/indexof_array.js
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// In SERVER-8951, $indexOfArray was introduced. In this file, we test the correctness and error
// cases of the expression.
load("jstests/aggregation/extras/utils.js");  // For assertErrorCode and testExpression.

(function() {
"use strict";

var coll = db.indexofarray;
coll.drop();

// Insert a dummy document to ensure something flows through the pipeline.
assert.commandWorked(coll.insert({}));

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2]}, 1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 4]}, -1);

testExpression(coll, {$indexOfArray: [[1, 2, 3, 2, 1], 2, 2]}, 3);

testExpression(coll, {$indexOfArray: [[1, 2, 3, 4, 5], 4, 0, 3]}, -1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 1]}, 1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 0, 10]}, 1);

testExpression(coll, {$indexOfArray: [[1, 2, 3, 2, 1, 2, 3], 2, 2, 4]}, 3);

testExpression(coll, {$indexOfArray: [null, 2]}, null);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 3]}, -1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 3, 1]}, -1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 3, 3]}, -1);

testExpression(coll, {$indexOfArray: [[1, 2, 3], 2, 3, 5]}, -1);

testExpression(coll, {$indexOfArray: [[], 1]}, -1);

var pipeline = {
    $project: {
        output: {
            $indexOfArray: ["string", "s"],
        }
    }
};
assertErrorCode(coll, pipeline, 40090);

pipeline = {
    $project: {output: {$indexOfArray: [[1, 2, 3], 2, "bad"]}}
};
assertErrorCode(coll, pipeline, 40096);

pipeline = {
    $project: {output: {$indexOfArray: [[1, 2, 3], 2, 0, "bad"]}}
};
assertErrorCode(coll, pipeline, 40096);

pipeline = {
    $project: {output: {$indexOfArray: [[1, 2, 3], 2, -1]}}
};
assertErrorCode(coll, pipeline, 40097);

pipeline = {
    $project: {output: {$indexOfArray: [[1, 2, 3], 2, 1, -1]}}
};
assertErrorCode(coll, pipeline, 40097);
}());