//[Theory]
//[InlineData(null)]
//[InlineData(typeof(CustomEqualityComparerDummyRefType))]
public async Task DictionaryDevConcurrentAccessDetection_ReferenceTypeKey(Type comparerType)
{
IEqualityComparer <DummyRefType> customComparer = null;
DictionaryDev <DummyRefType, DummyRefType> dic = comparerType == null ?
new DictionaryDev <DummyRefType, DummyRefType>() :
new DictionaryDev <DummyRefType, DummyRefType>((customComparer = (IEqualityComparer <DummyRefType>)Activator.CreateInstance(comparerType)));
var keyValueSample = new DummyRefType()
{
Value = 1
};
dic.Add(keyValueSample, keyValueSample);
await DictionaryDevConcurrentAccessDetection(dic,
typeof(DummyRefType).IsValueType,
customComparer,
d => d.Add(keyValueSample, keyValueSample),
d => { var v = d[keyValueSample]; },
d => d.Remove(keyValueSample),
d => d.Remove(keyValueSample, out DummyRefType value),
d => d.RemoveAll(kvp => true)
);
}
private async Task DictionaryDevConcurrentAccessDetection <TKey, TValue>(DictionaryDev <TKey, TValue> dictionary, bool isValueType, object comparer, Action <DictionaryDev <TKey, TValue> > add, Action <DictionaryDev <TKey, TValue> > get, Action <DictionaryDev <TKey, TValue> > remove, Action <DictionaryDev <TKey, TValue> > removeOutParam, Action <DictionaryDev <TKey, TValue> > removeAll)
{
Task task = Task.Factory.StartNew(() =>
{
// Get the DictionaryDev into a corrupted state, as if it had been corrupted by concurrent access.
// We this deterministically by clearing the _entries array using reflection;
// this means that every Entry struct has a 'next' field of zero, which causes the infinite loop
// that we want DictionaryDev to break out of
FieldInfo entriesType = dictionary.GetType().GetField("_entries", BindingFlags.NonPublic | BindingFlags.Instance);
Array entriesInstance = (Array)entriesType.GetValue(dictionary);
//Array entryArray = (Array)Activator.CreateInstance(entriesInstance.GetType(), new object[] { entriesInstance.Length });
//entriesType.SetValue(dictionary, entryArray);
var entryType = entriesType.GetValue(dictionary).GetType().GetElementType();
var nextField = entryType.GetField("next");
int firstNext = 0;
for (int index = 0; index < entriesInstance.Length; index += 1)
{
//int next = (int)nextField.GetValue(entriesInstance.GetValue(index));
//if (next!=0)
//{
// if (firstNext==0)
// {
// firstNext=next;
// }
// else
// {
// nextField.SetValue(entriesInstance.GetValue(index), firstNext);
// }
//}
nextField.SetValue(entriesInstance.GetValue(index), 0);
}
//Assert.Equal(comparer, dictionary.GetType().GetField("_comparer", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(dictionary));
//Assert.Equal(isValueType, dictionary.GetType().GetGenericArguments()[0].IsValueType);
//Assert.Equal("ThrowInvalidOperationException_ConcurrentOperationsNotSupported", Assert.Throws<InvalidOperationException>(() => add(dictionary)).TargetSite.Name);
//Assert.Equal("ThrowInvalidOperationException_ConcurrentOperationsNotSupported", Assert.Throws<InvalidOperationException>(() => get(dictionary)).TargetSite.Name);
//Assert.Equal("ThrowInvalidOperationException_ConcurrentOperationsNotSupported", Assert.Throws<InvalidOperationException>(() => remove(dictionary)).TargetSite.Name);
//Assert.Equal("ThrowInvalidOperationException_ConcurrentOperationsNotSupported", Assert.Throws<InvalidOperationException>(() => removeOutParam(dictionary)).TargetSite.Name);
Assert.Equal("ThrowInvalidOperationException_ConcurrentOperationsNotSupported", Assert.Throws <InvalidOperationException>(() => removeAll(dictionary)).TargetSite.Name);
}, TaskCreationOptions.LongRunning);
// If DictionaryDev regresses, we do not want to hang here indefinitely
Assert.True((await Task.WhenAny(task, Task.Delay(TimeSpan.FromSeconds(60))) == task) && task.IsCompletedSuccessfully);
}
public void Setup()
{
keys = new int[10000];
values = new object[keys.Length];
for (int index = 0; index < keys.Length; index += 1)
{
keys[index] = index;
values[index] = new object();
}
devDict = new DictionaryDev <int, object>(keys.Length);
refDict = new DictionaryRef <int, object>(keys.Length);
//for (int index = 0; index<keys.Length; index+=1)
//{
// devDict.Add(keys[index], values[index]);
// refDict.Add(keys[index], values[index]);
//}
}
//[Theory]
//[InlineData(null)]
//[InlineData(typeof(CustomEqualityComparerInt32ValueType))]
public async Task DictionaryDevConcurrentAccessDetection_ValueTypeKey(Type comparerType)
{
IEqualityComparer <int> customComparer = null;
DictionaryDev <int, int> dic = comparerType == null ?
new DictionaryDev <int, int>() :
new DictionaryDev <int, int>((customComparer = (IEqualityComparer <int>)Activator.CreateInstance(comparerType)));
dic.Add(1, 1);
dic.Add(4, 2);
await DictionaryDevConcurrentAccessDetection(dic,
typeof(int).IsValueType,
customComparer,
d => d.Add(1, 1),
d => { var v = d[1]; },
d => d.Remove(1),
d => d.Remove(1, out int value),
d => d.RemoveAll(kvp => true)
);
}