public void ComputeAreaTest()
{
var res = MatrixProblems.ComputeArea(-3, 0, 3, 4, 0, -1, 9, 2);
Assert.AreEqual(45, res);
res = MatrixProblems.ComputeArea(-2, -2, 2, 2, 3, 3, 4, 4);
Assert.AreEqual(17, res);
res = MatrixProblems.ComputeArea(-1500000001, 0, -1500000000, 1, 1500000000, 0, 1500000001, 1);
Assert.AreEqual(2, res);
}
