private static void SubtestTwoLongs(long i, long j)
{
// convert to strings
System.String a = NumberTools.LongToString(i);
System.String b = NumberTools.LongToString(j);
// are they the right length?
Assert.AreEqual(NumberTools.STR_SIZE, a.Length);
Assert.AreEqual(NumberTools.STR_SIZE, b.Length);
// are they the right order?
if (i < j)
{
Assert.IsTrue(String.CompareOrdinal(a, b) < 0);
}
else if (i > j)
{
Assert.IsTrue(String.CompareOrdinal(a, b) > 0);
}
else
{
Assert.AreEqual(a, b);
}
// can we convert them back to longs?
long i2 = NumberTools.StringToLong(a);
long j2 = NumberTools.StringToLong(b);
Assert.AreEqual(i, i2);
Assert.AreEqual(j, j2);
}
public virtual void TestMin()
{
// make sure the constants convert to their equivelents
Assert.AreEqual(System.Int64.MinValue, NumberTools.StringToLong(NumberTools.MIN_STRING_VALUE));
Assert.AreEqual(NumberTools.MIN_STRING_VALUE, NumberTools.LongToString(System.Int64.MinValue));
// test near MIN, too
for (long l = System.Int64.MinValue; l < System.Int64.MinValue + 10000; l++)
{
SubtestTwoLongs(l, l + 1);
}
}
public virtual void TestMax()
{
// make sure the constants convert to their equivelents
Assert.AreEqual(System.Int64.MaxValue, NumberTools.StringToLong(NumberTools.MAX_STRING_VALUE));
Assert.AreEqual(NumberTools.MAX_STRING_VALUE, NumberTools.LongToString(System.Int64.MaxValue));
// test near MAX, too
for (long l = System.Int64.MaxValue; l > System.Int64.MaxValue - 10000; l--)
{
SubtestTwoLongs(l, l - 1);
}
}