// Generalized test for testing Partitioner ForEach-loop results
private static void PartitionerForEachPLRTest(
Action <int, ParallelLoopState> body,
string desc,
bool excExpected,
bool shouldComplete,
bool shouldStop,
bool shouldBreak)
{
List <int> list = new List <int>();
for (int i = 0; i < 20; i++)
{
list.Add(i);
}
MyPartitioner <int> mp = new MyPartitioner <int>(list);
try
{
ParallelLoopResult plr =
Parallel.ForEach(mp, body);
Assert.False(excExpected);
Assert.Equal(shouldComplete, plr.IsCompleted);
Assert.Equal(shouldStop, plr.LowestBreakIteration == null);
Assert.Equal(shouldBreak, plr.LowestBreakIteration != null);
}
catch (AggregateException)
{
Assert.True(excExpected);
}
}
public static void PartitionerForEachPLRTests()
{
//
// Now try testing Partitionable, OrderablePartitionable
//
List <int> intlist = new List <int>();
for (int i = 0; i < 20; i++)
{
intlist.Add(i * i);
}
MyPartitioner <int> mp = new MyPartitioner <int>(intlist);
ParallelLoopResult plr =
Parallel.ForEach(mp, delegate(int item, ParallelLoopState ps)
{
if (item == 0)
{
ps.Stop();
}
});
PLRcheck(plr, "Partitioner-ForEach-Stop", false, null);
plr = Parallel.ForEach(mp, delegate(int item, ParallelLoopState ps) { });
PLRcheck(plr, "Partitioner-ForEach-Complete", true, null);
}
public static void TestStringInZipFeature_Custom_Partitioner()
{
// We prepared 15 sample zips (1.zip - 15.zip) with text files
// inside. Some of them contain the string 'test'.
DirectoryInfo path = Directory.GetParent(Path.GetDirectoryName(Path.GetDirectoryName(Directory.GetCurrentDirectory())));
List<ZipPackage> packages = new List<ZipPackage>();
for (int i = 1; i <= 15; i++)
packages.Add(new ZipPackage(string.Format("{0}\\zips\\{1}.zip", path, i)));
string str = "test";
// Select all files
List<FileInZip> filesInZips = (from zipPackage in packages
from file in zipPackage.Files
select file).ToList();
// Custom partitioner
MyPartitioner customPartitioner = new MyPartitioner(filesInZips);
// PLINQ
var query = (from file in customPartitioner.AsParallel()
where file.ContainsString(str)
select file).ToList();
Debug.WriteLine("Number of files containing '{0}': {1}", str, query.Count);
}
// Generalized test for testing Partitioner ForEach-loop results
private static void PartitionerForEachPLRTest(
Action <int, ParallelLoopState> body,
string desc,
bool excExpected,
bool shouldComplete,
bool shouldStop,
bool shouldBreak)
{
List <int> list = new List <int>();
for (int i = 0; i < 20; i++)
{
list.Add(i);
}
MyPartitioner <int> mp = new MyPartitioner <int>(list);
try
{
ParallelLoopResult plr =
Parallel.ForEach(mp, body);
if (excExpected)
{
Logger.LogInformation("PartitionerForEach-PLRTest -- {0}: > failed. Expected an exception.", desc);
}
else if ((plr.IsCompleted != shouldComplete) ||
(shouldStop && (plr.LowestBreakIteration != null)) ||
(shouldBreak && (plr.LowestBreakIteration == null)))
{
Logger.LogInformation("PartitionerForEach-PLRTest -- {0} > failed. Complete={1}, LBI={2}",
desc, plr.IsCompleted, plr.LowestBreakIteration);
}
}
catch (AggregateException e)
{
if (!excExpected)
{
Logger.LogInformation("PartitionerForEach-PLRTest -- {0} > failed -- unexpected exception from loop. Exception: {1}", desc, e);
}
}
}