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path: root/jstests/replsets/replset3.js
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var doTest = function (signal) {
    "use strict";
    // Test replica set step down

    // Replica set testing API
    // Create a new replica set test. Specify set name and the number of nodes you want.
    var replTest = new ReplSetTest({ name: 'testSet', nodes: 3 });

    // call startSet() to start each mongod in the replica set
    // this returns a list of nodes
    var nodes = replTest.startSet();

    // Call initiate() to send the replSetInitiate command
    // This will wait for initiation
    replTest.initiate();

    // Get master node
    var master = replTest.getMaster();

    // Write some data to master
    // NOTE: this test fails unless we write some data.
    master.getDB("foo").foo.insert({ a: 1 }, { writeConcern: { w: 3, wtimeout: 20000 }});

    var phase = 1;

    print(phase++);

    // Step down master.  Note: this may close our connection!
    try {
        master.getDB("admin").runCommand({ replSetStepDown: true, force: 1 });
    } catch (err) {
        print("caught: " + err + " on stepdown");
    }

    print(phase++);

    try {
        var new_master = replTest.getMaster();
    }
    catch (err) {
        throw ("Could not elect new master before timeout.");
    }

    print(phase++);

    assert(master != new_master, "Old master shouldn't be equal to new master.");

    print(phase++);

    // Make sure that slaves are still up
    var result = new_master.getDB("admin").runCommand({ replSetGetStatus: 1 });
    assert(result['ok'] == 1, "Could not verify that slaves were still up:" + result);

    print(phase++);

    var slaves = replTest.liveNodes.slaves;
    assert.soon(function () {
        try {
            var res = slaves[0].getDB("admin").runCommand({ replSetGetStatus: 1 });
        } catch (err) { }
        return res.myState == 2;
    }, "Slave 0 state not ready.");

    print(phase++);

    assert.soon(function () {
        try {
            var res = slaves[1].getDB("admin").runCommand({ replSetGetStatus: 1 });
        } catch (err) { }
        return res.myState == 2;
    }, "Slave 1 state not ready.");

    print("replset3.js SUCCESS");

    replTest.stopSet(15);
};

doTest( 15 );