Test_IFilter_To_sink()
{
IStream< int > stream = Stream.Create( 1, 2, 3, 999, 999 );
IFilter< int, int > f;
ISink< int > sink;
ICollection< int > c = new List< int >();
Print( "Basic behaviour" );
c.Clear();
f = Filter.Create< int, int >( DoubleUp3FilterIterator );
sink = f.To( c.AsSink() );
while( sink.TryPush( stream.Pull() ) );
Assert(
c.SequenceEqual(
new int[] { 1, 1, 2, 2, 3, 3 } ) );
Print( "Immediate empty to sink on connect" );
c.Clear();
f = Filter.Create< int, int >( DoubleUp3FilterIterator );
f.Give( 1 );
sink = f.To( c.AsSink() );
Assert(
c.SequenceEqual(
new int[] { 1, 1 } ) );
}
Test_TextLineSplitter()
{
Print( "Pull" );
Assert(
"\nline1\nline2\rline3\r\nline4\r\rline6\n\nline8\nline9"
.AsStream()
.To( new TextLineSplitter() )
.SequenceEqual(
Stream.Create(
"", "line1", "line2", "line3", "line4", "", "line6", "",
"line8", "line9" ) ) );
Print( "Push" );
var lines = new List< string >();
var sink =
new TextLineSplitter()
.To( lines.AsSink() );
"\nline1\nline2\rline3\r\nline4\r\rline6\n\nline8\nline9"
.AsStream()
.EmptyTo( sink );
sink.Dispose();
Assert(
lines
.AsStream()
.SequenceEqual(
Stream.Create(
"", "line1", "line2", "line3", "line4", "", "line6", "",
"line8", "line9" ) ) );
}
Test_SystemCollection_AsSink()
{
IEnumerable< int > from = new int[] { 1, 2, 3 };
ICollection< int > to = new List< int >();
from.AsStream().EmptyTo(
to.AsSink() );
Assert( to.SequenceEqual( from ) );
}