/* Test that snapshot reads on capped collections are not allowed.
 *
 * @tags: [requires_majority_read_concern, requires_replication]
 */
(function() {
"use strict";

const replSet = new ReplSetTest({nodes: 1});

replSet.startSet();
replSet.initiate();

const collName = "coll";
const primary = replSet.getPrimary();
const primaryDB = primary.getDB('test');

assert.commandWorked(primaryDB.createCollection(collName, {capped: true, size: 32, max: 1}));

// Non-transaction snapshot reads on capped collections are not allowed.
assert.commandFailedWithCode(
    primaryDB.runCommand({find: collName, readConcern: {level: "snapshot"}}),
    ErrorCodes.SnapshotUnavailable);
assert.commandFailedWithCode(
    primaryDB.runCommand(
        {aggregate: collName, pipeline: [], cursor: {}, readConcern: {level: "snapshot"}}),
    ErrorCodes.SnapshotUnavailable);
assert.commandFailedWithCode(
    primaryDB.runCommand({distinct: collName, key: "_id", readConcern: {level: "snapshot"}}),
    ErrorCodes.SnapshotUnavailable);

replSet.stopSet();
})();