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public class _ListIntSet extends TestCase { public void test_basic() { ListIntSet set = new ListIntSet(); assertEquals(0, set.elements()); set.add(31); set.add(0); set.add(1);
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assertTrue(set.has(0)); assertTrue(set.has(1)); assertTrue(set.has(31)); assertEquals(3, set.elements()); assertFalse(set.has(2)); assertFalse(set.has(7)); assertFalse(set.has(30)); }