public void TestTableAddRemoveAndSetColumn()
{
Table table = MakeTableWithOneColumnOfTwoIntArrays(10);
Array nonEqualLengthIntArray = ColumnTests.MakeIntArray(10);
Field field1 = new Field.Builder().Name("f1").DataType(Int32Type.Default).Build();
Column nonEqualLengthColumn = new Column(field1, new[] { nonEqualLengthIntArray });
Assert.Throws <ArgumentException>(() => table.InsertColumn(-1, nonEqualLengthColumn));
Assert.Throws <ArgumentException>(() => table.InsertColumn(1, nonEqualLengthColumn));
Array equalLengthIntArray = ColumnTests.MakeIntArray(20);
Field field2 = new Field.Builder().Name("f2").DataType(Int32Type.Default).Build();
Column equalLengthColumn = new Column(field2, new[] { equalLengthIntArray });
Column existingColumn = table.Column(0);
Table newTable = table.InsertColumn(0, equalLengthColumn);
Assert.Equal(2, newTable.ColumnCount);
Assert.True(newTable.Column(0) == equalLengthColumn);
Assert.True(newTable.Column(1) == existingColumn);
newTable = newTable.RemoveColumn(1);
Assert.Equal(1, newTable.ColumnCount);
Assert.True(newTable.Column(0) == equalLengthColumn);
newTable = table.SetColumn(0, existingColumn);
Assert.True(newTable.Column(0) == existingColumn);
}
public static Table MakeTableWithOneColumnOfTwoIntArrays(int lengthOfEachArray)
{
Array intArray = ColumnTests.MakeIntArray(lengthOfEachArray);
Array intArrayCopy = ColumnTests.MakeIntArray(lengthOfEachArray);
Field field = new Field.Builder().Name("f0").DataType(Int32Type.Default).Build();
Schema s0 = new Schema.Builder().Field(field).Build();
Column column = new Column(field, new List <Array> {
intArray, intArrayCopy
});
Table table = new Table(s0, new List <Column> {
column
});
return(table);
}
