// SERVER-4615:  Ensure hostInfo() command returns expected results on each platform

assert.commandWorked( db.hostInfo() );
var hostinfo = db.hostInfo();

// test for os-specific fields
if (hostinfo.os.type == "Windows") {
    assert.neq( hostinfo.os.name, "" || null, "Missing Windows os name" );
    assert.neq( hostinfo.os.version, "" || null, "Missing Windows version" );

} else if (hostinfo.os.type == "Linux") {
    assert.neq( hostinfo.os.name, "" || null, "Missing Linux os/distro name" );
    assert.neq( hostinfo.os.version, "" || null, "Missing Lindows version" );

} else if (hostinfo.os.type == "Darwin") {
    assert.neq( hostinfo.os.name, "" || null, "Missing Darwin os name" );
    assert.neq( hostinfo.os.version, "" || null, "Missing Darwin version" );

} else if (hostinfo.os.type == "BSD") {
    assert.neq( hostinfo.os.name, "" || null, "Missing FreeBSD os name" );
    assert.neq( hostinfo.os.version, "" || null, "Missing FreeBSD version" );
}

// comment out this block for systems which have not implemented hostinfo.  
if (hostinfo.os.type != "") {
    assert.neq( hostinfo.system.hostname, "" || null, "Missing Hostname" );
    assert.neq( hostinfo.system.currentTime, "" || null, "Missing Current Time" );
    assert.neq( hostinfo.system.cpuAddrSize, "" || null || 0, "Missing CPU Address Size" );
    assert.neq( hostinfo.system.memSizeMB, "" || null, "Missing Memory Size" );
    assert.neq( hostinfo.system.numCores, "" || null || 0, "Missing Number of Cores" );
    assert.neq( hostinfo.system.cpuArch, "" || null, "Missing CPU Architecture" );
    assert.neq( hostinfo.system.numaEnabled, "" || null, "Missing NUMA flag" );
}