public void CopyToTest()
{
var destination = new KeyValuePair <string, int> [1];
testObject.CopyTo(destination, 0);
Assert.AreElementsEqual(destination, testObject);
}
public void TestDictionary()
{
// Default ctor.
var data = Enumerable.Range(1, 5).ToDictionary(x => x, x => x.ToString());
var dict = new ReadOnlyDictionary <int, string>(data);
Assert.AreEqual(5, dict.Count);
Assert.IsTrue(dict.IsReadOnly);
CollectionAssert.AreEqual(data, dict);
CollectionAssert.AreEqual(data.Keys, dict.Keys);
CollectionAssert.AreEqual(data.Values, dict.Values);
Assert.IsTrue(dict.GetEnumerator().MoveNext());
Assert.IsTrue(((IEnumerable)dict).GetEnumerator().MoveNext());
Assert.IsTrue(dict.ContainsKey(1));
Assert.IsTrue(dict.Contains(new KeyValuePair <int, string>(4, "4")));
Assert.AreEqual("3", dict[3]);
string val;
Assert.IsTrue(dict.TryGetValue(2, out val));
Assert.AreEqual("2", val);
var arr = new KeyValuePair <int, string> [5];
dict.CopyTo(arr, 0);
CollectionAssert.AreEqual(data, arr);
Assert.Throws <NotSupportedException>(() => dict.Add(1, "2"));
Assert.Throws <NotSupportedException>(() => dict.Add(new KeyValuePair <int, string>(1, "2")));
Assert.Throws <NotSupportedException>(() => dict.Clear());
Assert.Throws <NotSupportedException>(() => dict.Remove(1));
Assert.Throws <NotSupportedException>(() => dict.Remove(new KeyValuePair <int, string>(1, "2")));
}
public void CopyToTest2()
{
ICollection <KeyValuePair <string, string> > target = new ReadOnlyDictionary <string, string>(testDictionary);
KeyValuePair <string, string>[] data = new KeyValuePair <string, string> [target.Count];
target.CopyTo(data, 0);
// Need to Assertion statement to handle this type of argument
}
public void TestCopyTo_CopiesPairs()
{
ICollection <KeyValuePair <int, int> > dictionary = new ReadOnlyDictionary <int, int>(new Dictionary <int, int>()
{
{ 1, 2 }, { 2, 3 }
});
KeyValuePair <int, int>[] array = new KeyValuePair <int, int> [2];
dictionary.CopyTo(array, 0);
Assert.IsTrue(array.Contains(new KeyValuePair <int, int>(1, 2)), "The pair (1, 2) was not copied.");
Assert.IsTrue(array.Contains(new KeyValuePair <int, int>(2, 3)), "The pair (2, 3) was not copied.");
}
public void TestCopyToCopiesAllValues()
{
var dict = new Dictionary <int, string>()
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" }
};
IDictionary <int, string> toTest = new ReadOnlyDictionary <int, string>(dict);
Assert.IsTrue(toTest.IsReadOnly);
var copy = new KeyValuePair <int, string> [3];
toTest.CopyTo(copy, 0);
Assert.IsTrue(copy.OrderBy(kv => kv.Key).SequenceEqual(dict.OrderBy(kv => kv.Key)));
}
public void TestCopyToCopiesAllValuesIntoMiddleOfArray()
{
var dict = new Dictionary <int, string>()
{
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" }
};
IDictionary <int, string> toTest = new ReadOnlyDictionary <int, string>(dict);
Assert.IsTrue(toTest.IsReadOnly);
var copy = new KeyValuePair <int, string> [7];
toTest.CopyTo(copy, 2);
Assert.AreEqual(default(KeyValuePair <int, string>), copy[0]);
Assert.AreEqual(default(KeyValuePair <int, string>), copy[1]);
Assert.AreEqual(default(KeyValuePair <int, string>), copy[5]);
Assert.AreEqual(default(KeyValuePair <int, string>), copy[6]);
Assert.IsTrue(copy.Skip(2).Take(3).OrderBy(kv => kv.Key).SequenceEqual(dict.OrderBy(kv => kv.Key)));
}
public void TestReadOperations()
{
var dic = new ReadOnlyDictionary<string, string>(new Dictionary<string, string>() {
{"key1", "val1"},
{"key2", "val2"},
{"key3", "val3"},
});
Assert.AreEqual(3, dic.Count);
Assert.AreEqual("val1", dic["key1"]);
Assert.IsTrue(dic.Contains(new KeyValuePair<string, string>("key2", "val2")));
Assert.IsTrue(dic.ContainsKey("key3"));
foreach (var pair in dic) {
}
foreach (var key in dic.Keys) {
}
foreach (var val in dic.Values) {
}
var pairs = new KeyValuePair<string, string>[3];
dic.CopyTo(pairs, 0);
string outval = null;
Assert.IsTrue(dic.TryGetValue("key1", out outval));
Assert.AreEqual(outval, "val1");
}
public void ReadOnlyDictionary_Unit_CopyTo_Optimal()
{
IDictionary<String, String> dictionary = new Dictionary<String, String>() {
{ "Key1", "Value1" },
{ "Key2", "Value2" },
{ "Key3", "Value3" }
};
ReadOnlyDictionary<String, String> target = new ReadOnlyDictionary<String, String>(dictionary);
KeyValuePair<String, String>[] array = new KeyValuePair<String, String>[dictionary.Count];
Int32 arrayIndex = 0;
target.CopyTo(array, arrayIndex);
Assert.AreEqual(dictionary.Count, array.Length);
foreach (KeyValuePair<String, String> pair in array) {
Assert.IsTrue(dictionary.Contains(pair));
}
}
public void ReadOnlyDictionary_Unit_CopyTo_ArrayIsTooSmall()
{
IDictionary<String, String> dictionary = new Dictionary<String, String>() {
{ "Key1", "Value1" },
{ "Key2", "Value2" },
{ "Key3", "Value3" }
};
ReadOnlyDictionary<String, String> target = new ReadOnlyDictionary<String, String>(dictionary);
KeyValuePair<String, String>[] array = new KeyValuePair<String, String>[dictionary.Count - 2];
Int32 arrayIndex = 1;
target.CopyTo(array, arrayIndex);
}