public async Task RunDoubleColumnSort()
{
var source = Helpers.CreateUnSortedTestData();
var transformSort = new TransformSort(source, new List <Sort> {
new Sort("GroupColumn"), new Sort("IntColumn")
});
Assert.Equal(6, transformSort.FieldCount);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 2);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 4);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 6);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 8);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 10);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 1);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 3);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 5);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 7);
Assert.True(await transformSort.ReadAsync());
Assert.True((int)transformSort["IntColumn"] == 9);
}
public async Task RunSingleColumnSort(string column, Sort.EDirection direction, string checkColumn)
{
var source = Helpers.CreateUnSortedTestData();
var transformSort = new TransformSort(source, new List <Sort> {
new Sort(column, direction)
});
var sortCount = 1;
Assert.Equal(6, transformSort.FieldCount);
while (await transformSort.ReadAsync())
{
Assert.Equal(sortCount, transformSort[checkColumn]);
sortCount++;
}
}
public async Task SortLargeTable()
{
var source = Helpers.CreateLargeTable(100000);
var transformSort = new TransformSort(source, new List <Sort> {
new Sort("random", Sort.EDirection.Ascending)
});
transformSort.SetInTransform(source);
var previousValue = "";
while (await transformSort.ReadAsync())
{
var value = (string)transformSort["random"];
Assert.True(String.Compare(previousValue, value) <= 0);
}
}