public void Test_removeLjava_lang_Object()
{
// Test for method boolean
// java.util.LinkedHashSet.remove(java.lang.Object)
int size = hs.Count;
hs.Remove(new int?(98));
assertTrue("Failed to remove element", !hs.Contains(new int?(98)));
assertTrue("Failed to decrement set size", hs.Count == size - 1);
var s = new LinkedHashSet<object>();
s.Add(null);
assertTrue("Cannot handle null", s.Remove(null));
}
public void Test_InsertionOrder()
{
var set = new LinkedHashSet<string>(StringComparer.Ordinal);
set.Add("one");
set.Add("two");
set.Add("three");
var i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("two", i.Current);
assertTrue(i.MoveNext());
assertEquals("three", i.Current);
assertFalse(i.MoveNext());
set.UnionWith(new string[] { "four", "five", "six" });
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("two", i.Current);
assertTrue(i.MoveNext());
assertEquals("three", i.Current);
assertTrue(i.MoveNext());
assertEquals("four", i.Current);
assertTrue(i.MoveNext());
assertEquals("five", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertFalse(i.MoveNext());
set.ExceptWith(new string[] { "two", "four" });
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("three", i.Current);
assertTrue(i.MoveNext());
assertEquals("five", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertFalse(i.MoveNext());
set.UnionWith(new string[] { "two", "four" }); // Make sure these get added to the end
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("three", i.Current);
assertTrue(i.MoveNext());
assertEquals("five", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertTrue(i.MoveNext());
assertEquals("two", i.Current);
assertTrue(i.MoveNext());
assertEquals("four", i.Current);
assertFalse(i.MoveNext());
set.SymmetricExceptWith(new string[] { "seven", "nine", "three", "five", "eight" });
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertTrue(i.MoveNext());
assertEquals("two", i.Current);
assertTrue(i.MoveNext());
assertEquals("four", i.Current);
assertTrue(i.MoveNext());
assertEquals("seven", i.Current);
assertTrue(i.MoveNext());
assertEquals("nine", i.Current);
assertTrue(i.MoveNext());
assertEquals("eight", i.Current);
assertFalse(i.MoveNext());
set.Remove("two");
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertTrue(i.MoveNext());
assertEquals("four", i.Current);
assertTrue(i.MoveNext());
assertEquals("seven", i.Current);
assertTrue(i.MoveNext());
assertEquals("nine", i.Current);
assertTrue(i.MoveNext());
assertEquals("eight", i.Current);
assertFalse(i.MoveNext());
set.Add("two");
i = set.GetEnumerator();
assertTrue(i.MoveNext());
assertEquals("one", i.Current);
assertTrue(i.MoveNext());
assertEquals("six", i.Current);
assertTrue(i.MoveNext());
assertEquals("four", i.Current);
assertTrue(i.MoveNext());
assertEquals("seven", i.Current);
assertTrue(i.MoveNext());
assertEquals("nine", i.Current);
assertTrue(i.MoveNext());
assertEquals("eight", i.Current);
assertTrue(i.MoveNext());
assertEquals("two", i.Current);
assertFalse(i.MoveNext());
}