//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void allSatisfy()
internal virtual void AllSatisfy()
{
_set.addAll(1, 2, 3, 100, 200, 300);
assertTrue(_set.allSatisfy(x => x < 1000));
assertFalse(_set.allSatisfy(x => x % 2 == 0));
}