public void Test_clear()
{
// Test for method void java.util.LinkedHashSet.clear()
var orgSet = new LinkedHashSet<object>(hs, EqualityComparer<object>.Default);
hs.Clear();
var i = orgSet.GetEnumerator();
assertEquals("Returned non-zero size after clear", 0, hs.Count);
while (i.MoveNext())
assertTrue("Failed to clear set", !hs.Contains(i.Current));
}
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());
}
