public void Abs()
{
BigDecimal big = BigDecimal.Parse("-1234");
BigDecimal bigabs = big.Abs();
Assert.IsTrue(bigabs.ToString().Equals("1234"), "the absolute value of -1234 is not 1234");
big = new BigDecimal(BigInteger.Parse("2345"), 2);
bigabs = big.Abs();
Assert.IsTrue(bigabs.ToString().Equals("23.45"), "the absolute value of 23.45 is not 23.45");
}
public void MathContextConstruction()
{
String a = "-12380945E+61";
BigDecimal aNumber = BigDecimal.Parse(a);
int precision = 6;
RoundingMode rm = RoundingMode.HalfDown;
MathContext mcIntRm = new MathContext(precision, rm);
MathContext mcStr = MathContext.Parse("precision=6 roundingMode=HALFDOWN");
MathContext mcInt = new MathContext(precision);
BigDecimal res = aNumber.Abs(mcInt);
Assert.AreEqual(res, BigDecimal.Parse("1.23809E+68"), "MathContext Constructor with int precision failed");
Assert.AreEqual(mcIntRm, mcStr, "Equal MathContexts are not Equal ");
Assert.AreEqual(mcInt.Equals(mcStr), false, "Different MathContext are reported as Equal ");
Assert.AreEqual(mcIntRm.GetHashCode(), mcStr.GetHashCode(), "Equal MathContexts have different hashcodes ");
Assert.AreEqual(mcIntRm.ToString(), "precision=6 roundingMode=HalfDown",
"MathContext.ToString() returning incorrect value");
}