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/**
* This tests the behavior of changing the default write concern to the implicit default if there is
* no CWWC.
* @tags: [
* ]
*/
(function() {
'use strict';
jsTestLog("Test PSS configuration will set defaultWC to majority.");
let replTest = new ReplSetTest({name: 'default_wc_majority', nodes: 3});
replTest.startSet();
replTest.initiate();
let primary = replTest.getPrimary();
let res = assert.commandWorked(primary.adminCommand({getDefaultRWConcern: 1}));
assert(res.hasOwnProperty("defaultWriteConcern"));
assert.eq({w: "majority", wtimeout: 0}, res.defaultWriteConcern, tojson(res));
replTest.stopSet();
jsTestLog("Test PSA configuration will set defaultWC to {w:1}.");
replTest = new ReplSetTest({name: 'default_wc_w_1', nodes: [{}, {}, {arbiter: true}]});
replTest.startSet();
replTest.initiate();
primary = replTest.getPrimary();
res = assert.commandWorked(primary.adminCommand({getDefaultRWConcern: 1}));
assert(!res.hasOwnProperty("defaultWriteConcern"));
replTest.stopSet();
})();
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