public void WeakKeyDictionaryWithData_CopyToEndOfSufficientlyLargeKeyValuePairArray_Succeeds()
{
const int NumValuesToAdd = 20;
var keeperArounder = new List <KeyValuePair <string, int> >();
ICollection <KeyValuePair <string, int> > dictionary = new WeakKeyDictionary <string, int>();
for (int i = 0; i < NumValuesToAdd; ++i)
{
var entry = new KeyValuePair <string, int>(i.ToString(), i);
keeperArounder.Add(entry);
dictionary.Add(entry);
}
Assert.Equal(NumValuesToAdd, dictionary.Count);
var destination = new KeyValuePair <string, int> [50];
const int StartIndex = 30;
dictionary.CopyTo(destination, StartIndex);
for (int i = 0; i < NumValuesToAdd; ++i)
{
Assert.Equal(i.ToString(), destination[i + StartIndex].Key);
Assert.Equal(i, destination[i + StartIndex].Value);
}
}
public void WeakKeyDictionaryWithData_CopyToBeginningOfSufficientlyLargeKeyValuePairArray_Succeeds()
{
const int NumValuesToAdd = 4;
ICollection <KeyValuePair <string, int> > dictionary = new WeakKeyDictionary <string, int>();
for (int i = 0; i < NumValuesToAdd; ++i)
{
dictionary.Add(new KeyValuePair <string, int>(i.ToString(), i));
}
Assert.Equal(NumValuesToAdd, dictionary.Count);
var destination = new KeyValuePair <string, int> [50];
const int StartIndex = 0;
dictionary.CopyTo(destination, StartIndex);
}
public void WeakKeyDictionaryWithData_CopyToNullKeyValuePairArray_ThrowsArgumentNullException()
{
const int NumValuesToAdd = 10;
var keeperArounder = new List <KeyValuePair <string, int> >();
ICollection <KeyValuePair <string, int> > dictionary = new WeakKeyDictionary <string, int>();
for (int i = 0; i < NumValuesToAdd; ++i)
{
var entry = new KeyValuePair <string, int>(i.ToString(), i);
keeperArounder.Add(entry);
dictionary.Add(entry);
}
Assert.Equal(NumValuesToAdd, dictionary.Count);
Assert.Throws <ArgumentNullException>(() => dictionary.CopyTo(null, 0));
}
public void WeakKeyDictionaryWithData_CopyToKeyValuePairArrayWithIndexResultingInWritePastEndOfArray_ThrowsArgumentException()
{
const int NumValuesToAdd = 80;
var keeperArounder = new List <KeyValuePair <string, int> >();
ICollection <KeyValuePair <string, int> > dictionary = new WeakKeyDictionary <string, int>();
for (int i = 0; i < NumValuesToAdd; ++i)
{
var data = new KeyValuePair <string, int>(i.ToString(), i);
keeperArounder.Add(data);
dictionary.Add(data);
}
Assert.True(NumValuesToAdd >= dictionary.Count);
var destination = new KeyValuePair <string, int> [50];
Assert.Throws <ArgumentException>(() => dictionary.CopyTo(destination, 48));
}
public void WeakKeyDictionaryWithData_CopyToKeyValuePairArrayWithNegativeIndex_ThrowsArgumentOutOfRangeException()
{
const int NumValuesToAdd = 6;
var keeperArounder = new List <KeyValuePair <string, int> >();
ICollection <KeyValuePair <string, int> > dictionary = new WeakKeyDictionary <string, int>();
for (int i = 0; i < NumValuesToAdd; ++i)
{
var entry = new KeyValuePair <string, int>(i.ToString(), i);
keeperArounder.Add(entry);
dictionary.Add(entry);
}
Assert.Equal(NumValuesToAdd, dictionary.Count);
var destination = new KeyValuePair <string, int> [2];
Assert.Throws <ArgumentOutOfRangeException>(() => dictionary.CopyTo(destination, -1));
}