public void TestProcess()
{
string expr = ".1 + 28 / 7 * (45 + (3 - .8))";
Processor p = new StringProcessor();
double expected = 188.9;
Assert.AreEqual(expected, p.Process(expr));
expr = "1 + 1 - 5 * (.7 / 2 - 4)";
expected = 20.25;
Assert.AreEqual(expected, p.Process(expr));
expr = "10/-.5 + 100 * (25 - 5)";
expected = 1980;
Assert.AreEqual(expected, p.Process(expr));
}
