gistfile1.cs

[Test]
public void Dictionary_enumerates_from_oldest_to_latest()
{
	var expected1 = new[] { 1, 2, 4, 3 };

	var dictionary1 = new Dictionary<int, object>();
	foreach (var key in expected1)
	{
		dictionary1[key] = new object();
	}
	var index = 0;
	foreach (KeyValuePair<int, object> keyValuePair in dictionary1)
	{
		Assert.AreEqual(expected1[index], keyValuePair.Key);
		index++;
	}


	var expected2 = new[] { 4, 1, 2, 3 };

	var dictionary2 = new Dictionary<int, object>();
	foreach (var key in expected2)
	{
		dictionary2[key] = new object();
	}

	index = 0;
	foreach (KeyValuePair<int, object> keyValuePair in dictionary2)
	{
		Assert.AreEqual(expected2[index], keyValuePair.Key);
		index++;
	}
}