97             map.Remove("b");  in AddPreservesInsertionOrder()
216             Assert.IsFalse(map.Remove("missing"));  in Remove_Key()
218             Assert.IsTrue(map.Remove("foo"));  in Remove_Key()
220             Assert.Throws<ArgumentNullException>(() => map.Remove(null));  in Remove_Key()
230             Assert.IsFalse(collection.Remove(NewKeyValuePair("wrong key", "bar")));  in Remove_Pair()
232             Assert.IsFalse(collection.Remove(NewKeyValuePair("foo", "wrong value")));  in Remove_Pair()
234             Assert.IsTrue(collection.Remove(NewKeyValuePair("foo", "bar")));  in Remove_Pair()
236 …Assert.Throws<ArgumentException>(() => collection.Remove(new KeyValuePair<string, string>(null, ""…  in Remove_Pair()
341             dictionary.Remove("a");  in IDictionary_Remove()
343             dictionary.Remove(5);  in IDictionary_Remove()
345             dictionary.Remove(new DictionaryEntry("x", "y"));  in IDictionary_Remove()
347             dictionary.Remove("x");  in IDictionary_Remove()
349             Assert.Throws<ArgumentNullException>(() => dictionary.Remove(null));  in IDictionary_Remove()
458             Assert.Throws<NotSupportedException>(() => keys.Remove("a"));  in ViewsAreReadOnly()