public UInt64 GetUInt64()
{
UInt64 x = Entry.BytesToULong(Buffer, CurrentGetPos);
CurrentGetPos += 8;
return(x);
}
public static void DbFunctions_ABS()
{
DbFunctionTools tools = new DbFunctionTools();
Random rnd = new Random();
//Int32.
{
Console.WriteLine("Testing DbFunctions.ABS(Int32)...");
int input = rnd.Next(Int32.MinValue, Int32.MaxValue);
DbValue valInput = tools.AllocValue(input);
List <DbValue> args = new List <DbValue>();
args.Add(valInput);
DbFunctionArguments fargs = new DbFunctionArguments(args);
DbValue valOutput = DbFunctions.ABS(tools, fargs);
ByteSlice bs = valOutput.Eval();
int output = tools.GetInt(bs);
int expected = Math.Abs(input);
if (expected != output)
{
throw new Exception("DbFunctions.ABS(Int32) has failed. Expected result: " + expected.ToString() + ", but received: " + output.ToString());
}
else
{
Console.WriteLine("Expected results received.");
}
}
//Int64.
{
Console.WriteLine("Testing DbFunctions.ABS(Int64)...");
long input = DateTime.Now.Ticks - 1;
if (input % 2 == 0)
{
input = input * -1L;
}
DbValue valInput = tools.AllocValue(input);
List <DbValue> args = new List <DbValue>();
args.Add(valInput);
DbFunctionArguments fargs = new DbFunctionArguments(args);
DbValue valOutput = DbFunctions.ABS(tools, fargs);
ByteSlice bs = valOutput.Eval();
byte[] buf = bs.ToBytes();
long output = Entry.ToInt64(Entry.BytesToULong(buf, 1));
long expected = Math.Abs(input);
if (expected != output)
{
throw new Exception("DbFunctions.ABS(Int64) has failed. Expected result: " + expected.ToString() + ", but received: " + output.ToString());
}
else
{
Console.WriteLine("Expected results received.");
}
}
//Double.
{
Console.WriteLine("Testing DbFunctions.ABS(Double)...");
double input = rnd.NextDouble();
if (input < 0.5)
{
input = input * -1d;
}
List <DbValue> args = new List <DbValue>();
args.Add(tools.AllocValue(input));
DbFunctionArguments fargs = new DbFunctionArguments(args);
DbValue valOutput = DbFunctions.ABS(tools, fargs);
ByteSlice bs = valOutput.Eval();
byte[] buf = bs.ToBytes();
double output = Entry.BytesToDouble(buf, 1);
double expected = Math.Abs(input);
if (expected != output)
{
throw new Exception("DbFunctions.ABS(Double) has failed. Expected result: " + expected.ToString() + ", but received: " + output.ToString());
}
else
{
Console.WriteLine("Expected results received.");
}
}
}
