public void ClearShouldDeleteAllKeysFromCache() { // Given const string key1 = "Clear_Key1"; const string key2 = "Clear_Key2"; const string key3 = "Clear_Key3"; const string value1 = "Clear_Value1"; const string value2 = "Clear_Value1"; const string value3 = "Clear_Value1"; // When _cache.Set(key1, value1); _cache.Set(key2, value2); _cache.Set(key3, value3); _cache.Clear(); var result1 = _cache.Contains(key1); var result2 = _cache.Contains(key2); var result3 = _cache.Contains(key3); // Then Assert.IsFalse(result1); Assert.IsFalse(result2); Assert.IsFalse(result3); }