public void AppendDecimal(int count)
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(14, 10));
// Act
decimal?[] testData = new decimal?[count];
for (int i = 0; i < count; i++)
{
if (i == count - 2)
{
builder.AppendNull();
testData[i] = null;
continue;
}
decimal rnd = i * (decimal)Math.Round(new Random().NextDouble(), 10);
testData[i] = rnd;
builder.Append(rnd);
}
// Assert
var array = builder.Build();
Assert.Equal(count, array.Length);
for (int i = 0; i < count; i++)
{
Assert.Equal(testData[i], array.GetValue(i));
}
}
public void Visit(Decimal128Type type)
{
Decimal128Array.Builder resultBuilder = new Decimal128Array.Builder(type).Reserve(_baseDataTotalElementCount);
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
Decimal128Array.Builder builder = new Decimal128Array.Builder(type).Reserve(dataList.Count);
foreach (decimal?value in dataList)
{
if (value.HasValue)
{
builder.Append(value.Value);
resultBuilder.Append(value.Value);
}
else
{
builder.AppendNull();
resultBuilder.AppendNull();
}
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
public void Visit(Decimal128Type type)
{
var builder = new Decimal128Array.Builder(type).Reserve(Length);
for (var i = 0; i < Length; i++)
{
builder.Append((decimal)i / Length);
}
Array = builder.Build();
}
public void SetNull()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(24, 8))
.Resize(1);
// Act
builder.Set(0, 50.123456M);
builder.SetNull(0);
// Assert
var array = builder.Build();
Assert.Null(array.GetValue(0));
}
public void AppendClearAppendDecimal()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(24, 8));
// Act
builder.Append(1);
builder.Clear();
builder.Append(10);
// Assert
var array = builder.Build();
Assert.Equal(10, array.GetValue(0));
}
public void HasExpectedResultOrThrows(decimal d, int precision, int scale, bool shouldThrow)
{
var builder = new Decimal128Array.Builder(new Decimal128Type(precision, scale));
if (shouldThrow)
{
Assert.Throws <OverflowException>(() => builder.Append(d));
}
else
{
builder.Append(d);
var result = builder.Build(new TestMemoryAllocator());
Assert.Equal(d, result.GetValue(0));
}
}
public void AppendLargeDecimal()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(26, 2));
decimal large = 999999999999909999999999.80M;
// Act
builder.Append(large);
builder.Append(-large);
// Assert
var array = builder.Build();
Assert.Equal(large, array.GetValue(0));
Assert.Equal(-large, array.GetValue(1));
}
public void SwapNull()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(24, 8));
// Act
builder.Append(123.456M);
builder.AppendNull();
builder.Swap(0, 1);
// Assert
var array = builder.Build();
Assert.Null(array.GetValue(0));
Assert.Equal(123.456M, array.GetValue(1));
}
public void AppendFractionalDecimal()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(26, 20));
decimal fraction = 0.99999999999990999992M;
// Act
builder.Append(fraction);
builder.Append(-fraction);
// Assert
var array = builder.Build();
Assert.Equal(fraction, array.GetValue(0));
Assert.Equal(-fraction, array.GetValue(1));
}
public void AppendThenGetGivesNull()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(8, 2));
// Act
builder = builder.AppendNull();
builder = builder.AppendNull();
builder = builder.AppendNull();
// Assert
var array = builder.Build();
Assert.Equal(3, array.Length);
Assert.Equal(array.Data.Buffers[1].Length, array.ByteWidth * 3);
Assert.Null(array.GetValue(0));
Assert.Null(array.GetValue(1));
Assert.Null(array.GetValue(2));
}
public void AppendRangeDecimal()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(24, 8));
var range = new decimal[] { 2.123M, 1.5984M, -0.0000001M, 9878987987987987.1235407M };
// Act
builder.AppendRange(range);
builder.AppendNull();
// Assert
var array = builder.Build();
for (int i = 0; i < range.Length; i++)
{
Assert.Equal(range[i], array.GetValue(i));
}
Assert.Null(array.GetValue(range.Length));
}
public IArrowArray BuildArray()
{
return(_builder.Build());
}