public void TestComputations()
{
DataFrame df = MakeDataFrameWithAllColumnTypes(10);
df["Int"][0] = -10;
Assert.Equal(-10, df["Int"][0]);
df["Int"].Abs();
Assert.Equal(10, df["Int"][0]);
Assert.Throws <NotSupportedException>(() => df["Byte"].All());
Assert.Throws <NotSupportedException>(() => df["Byte"].Any());
Assert.Throws <NotSupportedException>(() => df["Char"].All());
Assert.Throws <NotSupportedException>(() => df["Char"].Any());
Assert.Throws <NotSupportedException>(() => df["Decimal"].All());
Assert.Throws <NotSupportedException>(() => df["Decimal"].Any());
Assert.Throws <NotSupportedException>(() => df["Double"].All());
Assert.Throws <NotSupportedException>(() => df["Double"].Any());
Assert.Throws <NotSupportedException>(() => df["Float"].All());
Assert.Throws <NotSupportedException>(() => df["Float"].Any());
Assert.Throws <NotSupportedException>(() => df["Int"].All());
Assert.Throws <NotSupportedException>(() => df["Int"].Any());
Assert.Throws <NotSupportedException>(() => df["Long"].All());
Assert.Throws <NotSupportedException>(() => df["Long"].Any());
Assert.Throws <NotSupportedException>(() => df["Sbyte"].All());
Assert.Throws <NotSupportedException>(() => df["Sbyte"].Any());
Assert.Throws <NotSupportedException>(() => df["Short"].All());
Assert.Throws <NotSupportedException>(() => df["Short"].Any());
Assert.Throws <NotSupportedException>(() => df["Uint"].All());
Assert.Throws <NotSupportedException>(() => df["Uint"].Any());
Assert.Throws <NotSupportedException>(() => df["Ulong"].All());
Assert.Throws <NotSupportedException>(() => df["Ulong"].Any());
Assert.Throws <NotSupportedException>(() => df["Ushort"].All());
Assert.Throws <NotSupportedException>(() => df["Ushort"].Any());
bool any = df["Bool"].Any();
bool all = df["Bool"].All();
Assert.True(any);
Assert.False(all);
// Test the computation results
df["Double"][0] = 100.0;
df["Double"].CumulativeMax();
Assert.Equal(100.0, df["Double"][9]);
df["Float"][0] = -10.0f;
df["Float"].CumulativeMin();
Assert.Equal(-10.0f, df["Float"][9]);
df["Uint"].CumulativeProduct();
Assert.Equal((uint)0, df["Uint"][9]);
df["Ushort"].CumulativeSum();
Assert.Equal((ushort)45, df["Ushort"][9]);
Assert.Equal(100.0, df["Double"].Max());
Assert.Equal(-10.0f, df["Float"].Min());
Assert.Equal((uint)0, df["Uint"].Product());
Assert.Equal((ushort)165, df["Ushort"].Sum());
df["Double"][0] = 100.1;
Assert.Equal(100.1, df["Double"][0]);
df["Double"].Round();
Assert.Equal(100.0, df["Double"][0]);
// Test that none of the numeric column types throw
for (int i = 0; i < df.ColumnCount; i++)
{
BaseColumn column = df.Column(i);
if (column.DataType == typeof(bool))
{
Assert.Throws <NotSupportedException>(() => column.CumulativeMax());
Assert.Throws <NotSupportedException>(() => column.CumulativeMin());
Assert.Throws <NotSupportedException>(() => column.CumulativeProduct());
Assert.Throws <NotSupportedException>(() => column.CumulativeSum());
Assert.Throws <NotSupportedException>(() => column.Max());
Assert.Throws <NotSupportedException>(() => column.Min());
Assert.Throws <NotSupportedException>(() => column.Product());
Assert.Throws <NotSupportedException>(() => column.Sum());
continue;
}
else if (column.DataType == typeof(string))
{
Assert.Throws <NotImplementedException>(() => column.CumulativeMax());
Assert.Throws <NotImplementedException>(() => column.CumulativeMin());
Assert.Throws <NotImplementedException>(() => column.CumulativeProduct());
Assert.Throws <NotImplementedException>(() => column.CumulativeSum());
Assert.Throws <NotImplementedException>(() => column.Max());
Assert.Throws <NotImplementedException>(() => column.Min());
Assert.Throws <NotImplementedException>(() => column.Product());
Assert.Throws <NotImplementedException>(() => column.Sum());
continue;
}
column.CumulativeMax();
column.CumulativeMin();
column.CumulativeProduct();
column.CumulativeSum();
column.Max();
column.Min();
column.Product();
column.Sum();
}
}
public object Sum()
{
return(_column0.Sum());
}
