// Tests that the validate command can be interrupted by enabling the maxTimeAlwaysTimeOut
// failpoint. This should cause validate() to fail with an ExceededTimeLimit error.

'use strict';

(function() {
    var t = db.validate_interrupt;
    t.drop();

    var bulk = t.initializeUnorderedBulkOp();

    var i;
    for (i = 0; i < 1000; i++) {
        bulk.insert({a: i});
    }
    assert.writeOK(bulk.execute());

    function setTimeoutFailPoint(mode) {
        var res = db.adminCommand({configureFailPoint: 'maxTimeAlwaysTimeOut', mode: mode});
        assert.commandWorked(res);
    }

    setTimeoutFailPoint('alwaysOn');
    var res = t.runCommand({validate: t.getName(), full: true, maxTimeMS: 1});
    setTimeoutFailPoint('off');

    // Sanity check to make sure the failpoint is turned off.
    assert.commandWorked(t.runCommand({validate: t.getName(), full: true}));

    if (res.ok === 0) {
        assert.eq(res.code,
                  ErrorCodes.ExceededTimeLimit,
                  'validate command did not time out:\n' + tojson(res));
    } else {
        // validate() should only succeed if it EBUSY'd. See SERVER-23131.
        var numWarnings = res.warnings.length;
        // validate() could EBUSY when verifying the index and/or the RecordStore, so EBUSY could
        // appear once or twice.
        assert((numWarnings === 1) || (numWarnings === 2),
               'Expected 1 or 2 validation warnings:\n' + tojson(res));
        assert(res.warnings[0].includes('EBUSY'), 'Expected an EBUSY warning:\n' + tojson(res));
        if (numWarnings === 2) {
            assert(res.warnings[1].includes('EBUSY'), 'Expected an EBUSY warning:\n' + tojson(res));
        }
    }
})();