public static void IDictionaryItemTests()
{
KeyValuePair <int, string>[] expectedArr = new KeyValuePair <int, string>[] {
new KeyValuePair <int, string>(1, "one")
};
DummyDictionary <int, string> dummyExpectedDict = new DummyDictionary <int, string>(expectedArr);
IDictionary dictionary = new ReadOnlyDictionary <int, string>(dummyExpectedDict);
Assert.Null(dictionary[2]);
}
public static void TryGetValueTests()
{
KeyValuePair <int, string>[] expectedArr = new KeyValuePair <int, string>[] {
new KeyValuePair <int, string>(1, "one"),
new KeyValuePair <int, string>(2, "two"),
new KeyValuePair <int, string>(3, "three"),
new KeyValuePair <int, string>(4, "four"),
new KeyValuePair <int, string>(5, "five")
};
DummyDictionary <int, string> dummyExpectedDict = new DummyDictionary <int, string>(expectedArr);
ReadOnlyDictionary <int, string> dictionary = new ReadOnlyDictionary <int, string>(dummyExpectedDict);
IReadOnlyDictionary_T_Test <int, string> helper = new IReadOnlyDictionary_T_Test <int, string>(dictionary, expectedArr, s_generateItemFunc);
helper.TryGetValue_Tests();
}
public static void CtorTests()
{
KeyValuePair <int, string>[] expectedArr = new KeyValuePair <int, string>[] {
new KeyValuePair <int, string>(1, "one"),
new KeyValuePair <int, string>(2, "two"),
new KeyValuePair <int, string>(3, "three"),
new KeyValuePair <int, string>(4, "four"),
new KeyValuePair <int, string>(5, "five")
};
DummyDictionary <int, string> dummyExpectedDict = new DummyDictionary <int, string>(expectedArr);
ReadOnlyDictionary <int, string> dictionary = new ReadOnlyDictionary <int, string>(dummyExpectedDict);
IReadOnlyDictionary_T_Test <int, string> helper = new IReadOnlyDictionary_T_Test <int, string>(dictionary, expectedArr, s_generateItemFunc);
helper.InitialItems_Tests();
IDictionary <int, string> dictAsIDictionary = dictionary;
Assert.True(dictAsIDictionary.IsReadOnly, "ReadonlyDictionary Should be readonly");
}
public static void CannotModifyDictionaryTests_Negative()
{
KeyValuePair <int, string>[] expectedArr = new KeyValuePair <int, string>[] {
new KeyValuePair <int, string>(1, "one"),
new KeyValuePair <int, string>(2, "two"),
new KeyValuePair <int, string>(3, "three"),
new KeyValuePair <int, string>(4, "four"),
new KeyValuePair <int, string>(5, "five")
};
DummyDictionary <int, string> dummyExpectedDict = new DummyDictionary <int, string>(expectedArr);
ReadOnlyDictionary <int, string> dictionary = new ReadOnlyDictionary <int, string>(dummyExpectedDict);
IReadOnlyDictionary_T_Test <int, string> helper = new IReadOnlyDictionary_T_Test <int, string>();
IDictionary <int, string> dictAsIDictionary = dictionary;
Assert.Throws <NotSupportedException>(() => dictAsIDictionary.Add(new KeyValuePair <int, string>(7, "seven")));
Assert.Throws <NotSupportedException>(() => dictAsIDictionary.Add(7, "seven"));
Assert.Throws <NotSupportedException>(() => dictAsIDictionary.Remove(new KeyValuePair <int, string>(1, "one")));
Assert.Throws <NotSupportedException>(() => dictAsIDictionary.Remove(1));
Assert.Throws <NotSupportedException>(() => dictAsIDictionary.Clear());
helper.VerifyCollection(dictionary, expectedArr); //verifying that the collection has not changed.
}