public void BracketsTests()
{
var p = new BigIntegerRPNParser().Parse("(2)");
Assert.AreEqual("2", p.ToString());
p = new BigIntegerRPNParser().Parse("((((2))))");
Assert.AreEqual("2", p.ToString());
p = new BigIntegerRPNParser().Parse("((-((2))))");
Assert.AreEqual("-2", p.ToString());
p = new BigIntegerRPNParser().Parse("-(-(-((2))))");
Assert.AreEqual("-2", p.ToString());
p = new BigIntegerRPNParser().Parse("(((((2) + (2)))))");
Assert.AreEqual("4", p.ToString());
}
public void ManySimpleTests()
{
var p = new BigIntegerRPNParser().Parse("2 * -2");
Assert.AreEqual("-4", p.ToString());
p = new BigIntegerRPNParser().Parse("2 * -2");
Assert.AreEqual("-4", p.ToString());
p = new BigIntegerRPNParser().Parse("2 + 2 * 2");
Assert.AreEqual("6", p.ToString());
p = new BigIntegerRPNParser().Parse("(2 + 2) * 2");
Assert.AreEqual("8", p.ToString());
p = new BigIntegerRPNParser().Parse("(-2 + 2) * 2");
Assert.AreEqual("0", p.ToString());
p = new BigIntegerRPNParser().Parse("8 * 3 % 5");
Assert.AreEqual("4", p.ToString());
p = new BigIntegerRPNParser().Parse("(2 / 3) * 7 + ((5 - 7) * (21 % (11/3)))");
Assert.AreEqual("0", p.ToString());
//p = new BigIntegerRPNParser().Parse("2 + --2");
//Assert.AreEqual("4", p.ToString());
}
public void EmptyString()
{
var p = new BigIntegerRPNParser().Parse("");
Assert.AreEqual("0", p.ToString());
}
public void M2_m_M2()
{
var p = new BigIntegerRPNParser().Parse("-2 * -2");
Assert.AreEqual("4", p.ToString());
}
public void P2_p_P2()
{
var p = new BigIntegerRPNParser().Parse("2 + 2");
Assert.AreEqual("4", p.ToString());
}
public void M5()
{
var p = new BigIntegerRPNParser().Parse("-5");
Assert.AreEqual("-5", p.ToString());
}