mirror of https://github.com/mongodb/mongo
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
// @tags: [requires_getmore, requires_fastcount]
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/**
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* Inserts documents with an indexed nested document field, progressively increasing the nesting
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* depth until the key is too large to index. This tests that we support at least the minimum
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* supported BSON nesting depth, as well as maintaining index consistency.
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*/
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(function() {
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"use strict";
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function makeNestObj(depth) {
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if (depth == 1) {
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return {a: 1};
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} else {
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return {a: makeNestObj(depth - 1)};
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}
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}
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let collection = db.objNestTest;
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collection.drop();
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assert.commandWorked(collection.ensureIndex({a: 1}));
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const kMaxDocumentDepthSoftLimit = 100;
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const kJavaScriptMaxDepthLimit = 150;
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let level;
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for (level = 1; level < kJavaScriptMaxDepthLimit - 3; level++) {
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let object = makeNestObj(level);
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let res = db.runCommand({insert: collection.getName(), documents: [makeNestObj(level)]});
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if (!res.ok) {
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assert.commandFailedWithCode(
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res, 17280, "Expected insertion to fail only because key is too large to index");
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break;
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}
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}
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assert.gt(level,
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kMaxDocumentDepthSoftLimit,
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"Unable to insert a document nested with " + level +
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" levels, which is less than the supported limit of " + kMaxDocumentDepthSoftLimit);
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assert.eq(collection.count(),
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collection.find().hint({a: 1}).itcount(),
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"Number of documents in collection does not match number of entries in index");
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}());
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