implement Iterator in Inlist.List

+ reverse(), append()

vtm-tests/test/org/oscim/utils/pool/InlistTest.java

@@ -0,0 +1,86 @@
+package org.oscim.utils.pool;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.oscim.utils.pool.Inlist.List;
+
+public class InlistTest {
+
+	@Test
+	public void shouldWork() {
+		List<Thing> list = new List<Thing>();
+
+		list.reverse();
+		assertNull(list.pop());
+
+		list.push(new Thing(1));
+		list.push(new Thing(2));
+		list.push(new Thing(3));
+		list.push(new Thing(4));
+		list.push(new Thing(5));
+
+		/* iterate items */
+		int i = 5;
+		for (Thing it : list)
+			assertEquals(it.value, i--);
+
+		assertEquals(i, 0);
+
+		/* iterate with insertion order */
+		list.reverse();
+		i = 1;
+		for (Thing it : list)
+			assertEquals(it.value, i++);
+
+		assertEquals(i, 6);
+
+		list.reverse();
+
+		List<Thing> list2 = new List<Thing>();
+
+		/* pop list and append to list2 */
+		for (int j = 5; j > 0; j--) {
+			Thing t = list.pop();
+			assertEquals(t.value, j);
+			Assert.assertNull(t.next);
+
+			list2.append(t);
+		}
+
+		/* check nothing to iterate */
+		for (Thing t : list)
+			assert (t == null && t != null);
+
+		assertNull(list.pop());
+		assertNull(list.head());
+
+		list.push(new Thing(6));
+
+		/* move items from list2 to list */
+		list.appendList(list2.clear());
+
+		assertNull(list2.head());
+		assertNull(list2.pop());
+
+		list.reverse();
+
+		list.push(new Thing(0));
+		i = 0;
+		for (Thing t : list)
+			assertEquals(t.value, i++);
+
+		assertEquals(i, 7);
+	}
+
+	static class Thing extends Inlist<Thing> {
+		final int value;
+
+		public Thing(int val) {
+			value = val;
+		}
+	};
+
+}