public static void TestNullComparer()
{
AssertDefaultComparerBehavior(new ConcurrentDictionary <EqualityApiSpy, int>((IEqualityComparer <EqualityApiSpy>)null));
AssertDefaultComparerBehavior(new ConcurrentDictionary <EqualityApiSpy, int>(new[] { new KeyValuePair <EqualityApiSpy, int>(new EqualityApiSpy(), 1) }, null));
AssertDefaultComparerBehavior(new ConcurrentDictionary <EqualityApiSpy, int>(1, new[] { new KeyValuePair <EqualityApiSpy, int>(new EqualityApiSpy(), 1) }, null));
AssertDefaultComparerBehavior(new ConcurrentDictionary <EqualityApiSpy, int>(1, 1, null));
void AssertDefaultComparerBehavior(ConcurrentDictionary <EqualityApiSpy, int> dictionary)
{
var spyKey = new EqualityApiSpy();
Assert.True(dictionary.TryAdd(spyKey, 1));
Assert.False(dictionary.TryAdd(spyKey, 1));
Assert.False(spyKey.ObjectApiUsed);
Assert.True(spyKey.IEquatableApiUsed);
}
}
public static void TestNullComparer()
{
AssertDefaultComparerBehavior(new LurchTable <EqualityApiSpy, int>((IEqualityComparer <EqualityApiSpy>)null));
AssertDefaultComparerBehavior(new LurchTable <EqualityApiSpy, int>(new[] { new KeyValuePair <EqualityApiSpy, int>(new EqualityApiSpy(), 1) }, null));
AssertDefaultComparerBehavior(new LurchTable <EqualityApiSpy, int>(/*1,*/ new[] { new KeyValuePair <EqualityApiSpy, int>(new EqualityApiSpy(), 1) }, null));
AssertDefaultComparerBehavior(new LurchTable <EqualityApiSpy, int>(/*1,*/ 1, LurchTableOrder.None, (IEqualityComparer <EqualityApiSpy>)null));
void AssertDefaultComparerBehavior(LurchTable <EqualityApiSpy, int> dictionary)
{
var spyKey = new EqualityApiSpy();
Assert.True(dictionary.TryAdd(spyKey, 1));
Assert.False(dictionary.TryAdd(spyKey, 1));
Assert.False(spyKey.ObjectApiUsed);
Assert.True(spyKey.IEquatableApiUsed);
}
}