/**
 * Tests that the telemetry store can be resized if it is configured, and cannot be resized if it is
 * disabled.
 */
(function() {
"use strict";

load("jstests/libs/feature_flag_util.js");

if (FeatureFlagUtil.isEnabled(db, "Telemetry")) {
    function testTelemetrySetting(paramName, paramValue) {
        // The feature flag is enabled - make sure the telemetry store can be configured.
        const original = assert.commandWorked(db.adminCommand({getParameter: 1, [paramName]: 1}));
        assert(original.hasOwnProperty(paramName), original);
        const originalValue = original[paramName];
        try {
            assert.doesNotThrow(() => db.adminCommand({setParameter: 1, [paramName]: paramValue}));
            // Other tests verify that changing the parameter actually affects the behavior.
        } finally {
            assert.doesNotThrow(() =>
                                    db.adminCommand({setParameter: 1, [paramName]: originalValue}));
        }
    }
    testTelemetrySetting("internalQueryConfigureTelemetryCacheSize", "2MB");
    testTelemetrySetting("internalQueryStatsSamplingRate", 2147483647);
} else {
    // The feature flag is disabled - make sure the telemetry store *cannot* be configured.
    assert.commandFailedWithCode(
        db.adminCommand({setParameter: 1, internalQueryConfigureTelemetryCacheSize: '2MB'}),
        7373500);
    assert.commandFailedWithCode(
        db.adminCommand({setParameter: 1, internalQueryStatsSamplingRate: 2147483647}), 7506200);
}
}());