public static void SelectMany_ResultSelector(Labeled <ParallelQuery <int> > labeled, int count, Labeled <Func <int, int, IEnumerable <int> > > expander, int expansion)
{
ParallelQuery <int> query = labeled.Item;
Func <int, int, IEnumerable <int> > expand = expander.Item;
int seen = 0;
foreach (var p in query.SelectMany(x => expand(x, expansion), (original, expanded) => KeyValuePair.Create(original, expanded)))
{
Assert.Equal(seen++, p.Value);
Assert.Equal(p.Key, p.Value / expansion);
}
Assert.Equal(count * expansion, seen);
}
public static void SelectMany_ResultSelector_NotPipelined(Labeled <ParallelQuery <int> > labeled, int count, Labeled <Func <int, int, IEnumerable <int> > > expander, int expansion)
{
ParallelQuery <int> query = labeled.Item;
Func <int, int, IEnumerable <int> > expand = expander.Item;
int seen = 0;
Assert.All(query.SelectMany(x => expand(x, expansion), (original, expanded) => KeyValuePair.Create(original, expanded)).ToList(),
p =>
{
Assert.Equal(seen++, p.Value);
Assert.Equal(p.Key, p.Value / expansion);
});
Assert.Equal(count * expansion, seen);
}
public static void SelectMany_Unordered_ResultSelector_NotPipelined(int count, Labeled <Func <int, int, IEnumerable <int> > > expander, int expansion)
{
Func <int, int, IEnumerable <int> > expand = expander.Item;
IntegerRangeSet seen = new IntegerRangeSet(0, count * expansion);
Assert.All(UnorderedSources.Default(count).SelectMany(x => expand(x, expansion), (original, expanded) => KeyValuePair.Create(original, expanded)).ToList(),
p =>
{
seen.Add(p.Value);
Assert.Equal(p.Key, p.Value / expansion);
});
seen.AssertComplete();
}