public IAnalysisSet Union(IEnumerable <AnalysisProxy> items, out bool wasChanged)
{
AnalysisHashSet otherHc = items as AnalysisHashSet;
if (otherHc != null)
{
bool anyChanged = false;
if (otherHc._count != 0)
{
// do a fast copy from the other hash set...
for (int i = 0; i < otherHc._buckets.Length; i++)
{
var key = otherHc._buckets[i].Key;
if (key != null && key != AnalysisDictionaryRemovedValue.Instance)
{
anyChanged |= AddOne(key);
}
}
}
wasChanged = anyChanged;
return(this);
}
// some other set, copy it the slow way...
wasChanged = false;
foreach (var item in items)
{
wasChanged |= AddOne(item);
}
return(this);
}
public IAnalysisSet Clone()
{
var buckets = new Bucket[_buckets.Length];
for (int i = 0; i < buckets.Length; i++)
{
buckets[i] = _buckets[i];
}
var res = new AnalysisHashSet(Comparer);
res._buckets = buckets;
res._count = _count;
return(res);
}
public void HashSet() {
var projectEntry = CreateProjectEntry();
List<AnalysisProxy> values = new List<AnalysisProxy>();
for (int i = 0; i < 10; i++) {
values.Add(new TestAnalysisValue(projectEntry).Proxy);
}
var set = new AnalysisHashSet();
for (int i = 0; i < values.Count; i++) {
Assert.IsFalse(set.Contains(values[i]));
Assert.AreEqual(set, set.Add(values[i]));
Assert.AreEqual(i + 1, set.Count);
Assert.IsTrue(set.Contains(values[i]));
for (int j = 0; j <= i; j++) {
Assert.AreEqual(set, set.Add(values[j]));
Assert.AreEqual(i + 1, set.Count);
}
}
foreach (var enumMaker in EnumMaker) {
set = new AnalysisHashSet();
for (int i = 0; i < values.Count; i++) {
Assert.IsFalse(set.Contains(values[i]));
Assert.AreEqual(set, set.Union(enumMaker(values[i])));
Assert.AreEqual(i + 1, set.Count);
Assert.IsTrue(set.Contains(values[i]));
for (int j = 0; j <= i; j++) {
Assert.AreEqual(set, set.Union(enumMaker(values[j])));
Assert.AreEqual(i + 1, set.Count);
}
}
}
set = new AnalysisHashSet();
for (int i = 0; i < values.Count; i++) {
Assert.IsFalse(set.Contains(values[i]));
bool wasChanged;
Assert.AreEqual(set, set.Add(values[i], out wasChanged));
Assert.AreEqual(true, wasChanged);
Assert.AreEqual(i + 1, set.Count);
Assert.IsTrue(set.Contains(values[i]));
for (int j = 0; j <= i; j++) {
Assert.AreEqual(set, set.Add(values[j], out wasChanged));
Assert.IsFalse(wasChanged);
Assert.AreEqual(i + 1, set.Count);
}
}
foreach (var enumMaker in EnumMaker) {
set = new AnalysisHashSet();
for (int i = 0; i < values.Count; i++) {
Assert.IsFalse(set.Contains(values[i]));
bool wasChanged;
Assert.AreEqual(set, set.Union(enumMaker(values[i]), out wasChanged));
Assert.IsTrue(wasChanged);
Assert.AreEqual(i + 1, set.Count);
for (int j = 0; j <= i; j++) {
Assert.AreEqual(set, set.Union(enumMaker(values[j]), out wasChanged));
Assert.IsFalse(wasChanged);
Assert.AreEqual(i + 1, set.Count);
}
}
}
}
public IAnalysisSet Union(IEnumerable <AnalysisProxy> items, out bool wasChanged)
{
AnalysisProxy ns;
if (items == null)
{
wasChanged = false;
return(this);
}
else if ((ns = items as AnalysisProxy) != null)
{
return(Add(ns, out wasChanged));
}
else
{
int count = items.Count();
if (Value1.IsAlive)
{
if (!items.Contains(Value1))
{
count++;
}
}
if (Value2.IsAlive)
{
if (!items.Contains(Value2))
{
count++;
}
}
switch (count)
{
case 0:
wasChanged = false;
return(AnalysisSetEmptyObject.Instance);
case 1:
if (Value1.IsAlive)
{
wasChanged = false;
return(Value1);
}
else if (Value2.IsAlive)
{
wasChanged = false;
return(Value2);
}
wasChanged = true;
return(items.First());
case 2:
AnalysisProxy first = null;
if (Value1.IsAlive)
{
first = Value1;
}
if (Value2.IsAlive)
{
if (first == null)
{
first = Value2;
}
else
{
// items is empty...
wasChanged = false;
return(this);
}
}
if (first == null)
{
// Value1 & Value2 are gone
wasChanged = true;
return(new AnalysisSetTwoObject(items));
}
// Value1 or Value2 is gone...
if (!items.First().IsAlive)
{
// and so is the 1 item we have...
wasChanged = false;
return(first);
}
wasChanged = true;
return(new AnalysisSetTwoObject(first, items.First()));
default:
var res = new AnalysisHashSet();
if (Value1.IsAlive)
{
res.Add(Value1);
}
if (Value2.IsAlive)
{
res.Add(Value2);
}
res.Union(items, out wasChanged);
return(res);
}
}
}
public IAnalysisSet Clone() {
var buckets = new Bucket[_buckets.Length];
for (int i = 0; i < buckets.Length; i++) {
buckets[i] = _buckets[i];
}
var res = new AnalysisHashSet(Comparer);
res._buckets = buckets;
res._count = _count;
return res;
}
