public static void Clear(int initialSetSize)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingSet = intGenerator.MakeNewTs(initialSetSize);
HashSet <int> theSet = new HashSet <int>();
foreach (var iteration in Benchmark.Iterations)
{
theSet.UnionWith(startingSet);
using (iteration.StartMeasurement())
theSet.Clear();
}
}
public static void TestIsProperSupersetEnum()
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(MaxStartSize);
int[] stuffToCheckProperSuperset = intGenerator.GenerateSelectionSubset(startingElements, InitialSetSize_small);
HashSet <int> theSet = new HashSet <int>();
theSet.UnionWith(startingElements);
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
theSet.IsProperSupersetOf(stuffToCheckProperSuperset);
}
}
public static void Union_NoOp(int startSize, int countToUnion)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(MaxStartSize);
int[] stuffToUnion = intGenerator.GenerateMixedSelection(startingElements, countToUnion);
HashSet <int> theSet = new HashSet <int>(startingElements);
theSet.UnionWith(stuffToUnion);
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
theSet.UnionWith(stuffToUnion);
}
}
public static void SymmetricExceptEnum(int startSize, int countToExcept)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(startSize);
int[] stuffToExcept = intGenerator.GenerateMixedSelection(startingElements, countToExcept);
HashSet <int> theSet = new HashSet <int>();
foreach (var iteration in Benchmark.Iterations)
{
theSet.UnionWith(startingElements);
using (iteration.StartMeasurement())
theSet.SymmetricExceptWith(stuffToExcept);
theSet.Clear();
}
}
public static void Remove(int initialSetSize, int countToRemove)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(initialSetSize);
int[] stuffToRemove = intGenerator.GenerateSelectionSubset(startingElements, countToRemove);
foreach (var iteration in Benchmark.Iterations)
{
HashSet <int> theSet = new HashSet <int>(startingElements);
using (iteration.StartMeasurement())
{
foreach (int thing in stuffToRemove)
{
theSet.Remove(thing);
}
}
}
}
public static void Contains_False(int initialSetSize, int countToCheck)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(initialSetSize);
int missingValue = InstanceCreators.IntGenerator_MaxValue + 1;
bool present;
foreach (var iteration in Benchmark.Iterations)
{
HashSet <int> theSet = new HashSet <int>(startingElements);
using (iteration.StartMeasurement())
{
for (int i = 0; i < countToCheck; i++)
{
present = theSet.Contains(missingValue);
}
}
}
}
public static void Contains_True(int initialSetSize, int countToCheck)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(initialSetSize);
int[] subsetToCheck = intGenerator.GenerateSelectionSubset(startingElements, countToCheck);
bool present;
foreach (var iteration in Benchmark.Iterations)
{
HashSet <int> theSet = new HashSet <int>(startingElements);
using (iteration.StartMeasurement())
{
foreach (int thing in subsetToCheck)
{
present = theSet.Contains(thing);
}
}
}
}
public static void TestIsProperSubsetHashSet()
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
int[] startingElements = intGenerator.MakeNewTs(InitialSetSize_small);
HashSet <int> theSet = new HashSet <int>();
theSet.UnionWith(startingElements);
// this makes perf as bad as possible; avoids fallout case based on count
int[] additionalStuffToAdd = intGenerator.MakeNewTs(Math.Max(0, InitialSetSize_small - theSet.Count));
HashSet <int> setToCheckSubset = new HashSet <int>(startingElements);
setToCheckSubset.UnionWith(additionalStuffToAdd);
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
theSet.IsProperSubsetOf(setToCheckSubset);
}
}
public static void Add(int initialSetSize, int countToAdd)
{
RandomTGenerator <int> intGenerator = new RandomTGenerator <int>(InstanceCreators.IntGenerator);
// n is varying start size of set
int[] startingElements = intGenerator.MakeNewTs(initialSetSize);
int[] stuffToAdd = intGenerator.MakeNewTs(countToAdd);
foreach (var iteration in Benchmark.Iterations)
{
HashSet <int> theSet = new HashSet <int>(startingElements);
using (iteration.StartMeasurement())
{
foreach (int thing in stuffToAdd)
{
theSet.Add(thing);
}
}
}
}
