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/**
* Validates that the planCacheSize parameter is set correctly at startup and runtime.
*/
(function() {
"use strict";
const paramName = "planCacheSize";
const paramStartValue = "711MB";
let mongod = MongoRunner.runMongod({setParameter: `${paramName}=${paramStartValue}`});
let adminDb = mongod.getDB("admin");
function validatePlanCacheSize(paramValue) {
let result = adminDb.runCommand({getParameter: 1, [paramName]: 1});
assert.commandWorked(result);
assert.eq(result[paramName], paramValue);
}
function setPlanCacheSize(paramValue, errorCode) {
let result = adminDb.runCommand({setParameter: 1, [paramName]: paramValue});
assert.commandWorked(result);
}
function setPlanCacheSizeThrows(paramValue, errorCode) {
let result = adminDb.runCommand({setParameter: 1, [paramName]: paramValue});
assert.commandFailedWithCode(result, errorCode);
}
// Validates that the parameter is set correctly at startup.
validatePlanCacheSize(paramStartValue);
// Validates that the parameter is set correctly in runtime.
const paramCorrectValue = "10%";
setPlanCacheSize(paramCorrectValue);
validatePlanCacheSize(paramCorrectValue);
// Validates that an incorrect value is not accepted.
const paramIncorrectValue = "100KB";
setPlanCacheSizeThrows(paramIncorrectValue, 6007012);
validatePlanCacheSize(paramCorrectValue);
MongoRunner.stopMongod(mongod);
})();
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