public void Should_be_able_to_add_to_a_new_cache()
{
RandomCache cache = new RandomCache(10);
string key = "key1";
string value = "value1";
cache.Add(key, value);
cache.Exists(key).ShouldBeTrue();
}
private static void RunOneTest(Dictionary<string, int> testResults)
{
RandomCache cache = new RandomCache(3);
cache.Add("key1", "value1");
cache.Add("key2", "value2");
cache.Add("key3", "value3");
// the fourth add should cause one of the first three items to be removed. Spec isn't clear
// whether removing a random item could include the item just added. I decided it should not.
cache.Add("key4", "value4");
updateTestResults(testResults, cache, "key1");
updateTestResults(testResults, cache, "key2");
updateTestResults(testResults, cache, "key3");
}
public void adding_duplicate_keys_should_replace_value()
{
RandomCache cache = new RandomCache(10);
string key = "key1";
string value = "value1";
cache.Add(key, value);
cache.Exists(key).ShouldBeTrue();
cache.Get(key).ShouldEqual(value);
value = "some new value";
cache.Add(key, value);
cache.Get(key).ShouldEqual(value);
}
private static void updateTestResults(Dictionary<string, int> testResults, RandomCache cache, string key)
{
if (!cache.Exists(key))
{
testResults[key] += 1;
}
}