static void TestObjective()
{
Console.WriteLine("Running TestObjective");
Solver solver = new Solver("TestObjective", Solver.CLP_LINEAR_PROGRAMMING);
Variable x = solver.MakeNumVar(0.0, 100.0, "x");
Variable y = solver.MakeNumVar(0.0, 100.0, "y");
solver.Maximize(x);
CheckDoubleEq(0.0, solver.Objective().Offset(), "test1");
CheckDoubleEq(1.0, solver.Objective().GetCoefficient(x), "test2");
Check(solver.Objective().Maximization(), "test3");
solver.Minimize(-x - 2 * y + 3);
CheckDoubleEq(3.0, solver.Objective().Offset(), "test4");
CheckDoubleEq(-1.0, solver.Objective().GetCoefficient(x), "test5");
CheckDoubleEq(-2.0, solver.Objective().GetCoefficient(y), "test6");
Check(solver.Objective().Minimization(), "test7");
}