public void Remove_Key()
{
var map = new MapField <string, string>();
map.Add("foo", "bar");
Assert.AreEqual(1, map.Count);
Assert.IsFalse(map.Remove("missing"));
Assert.AreEqual(1, map.Count);
Assert.IsTrue(map.Remove("foo"));
Assert.AreEqual(0, map.Count);
Assert.Throws <ArgumentNullException>(() => map.Remove(null));
}
public void EqualityHandlesNullValues()
{
var map1 = new MapField <string, ForeignMessage>();
map1.Add("a", new ForeignMessage {
C = 10
});
map1.Add("b", null);
var map2 = new MapField <string, ForeignMessage>();
map2.Add("a", new ForeignMessage {
C = 10
});
map2.Add("b", null);
EqualityTester.AssertEquality(map1, map2);
// Check the null value isn't ignored entirely...
Assert.IsTrue(map1.Remove("b"));
EqualityTester.AssertInequality(map1, map2);
map1.Add("b", new ForeignMessage());
EqualityTester.AssertInequality(map1, map2);
map1["b"] = null;
EqualityTester.AssertEquality(map1, map2);
}
public void AddPreservesInsertionOrder()
{
var map = new MapField <string, string>();
map.Add("a", "v1");
map.Add("b", "v2");
map.Add("c", "v3");
map.Remove("b");
map.Add("d", "v4");
CollectionAssert.AreEqual(new[] { "a", "c", "d" }, map.Keys);
CollectionAssert.AreEqual(new[] { "v1", "v3", "v4" }, map.Values);
}