tests for fixedsizesortedset

src/test/java/com/commafeed/backend/FixedSizeSortedSetTest.java

@@ -0,0 +1,94 @@
+package com.commafeed.backend;
+
+import java.util.Comparator;
+
+import org.apache.commons.lang.ObjectUtils;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class FixedSizeSortedSetTest {
+
+	private FixedSizeSortedSet<String> set;
+	private static Comparator<String> COMP = new Comparator<String>() {
+		@Override
+		public int compare(String o1, String o2) {
+			return ObjectUtils.compare(o1, o2);
+		}
+	};
+
+	@Before
+	public void init() {
+		set = new FixedSizeSortedSet<String>(3, COMP);
+	}
+
+	@Test
+	public void testSimpleAdd() {
+		set.add("0");
+		set.add("1");
+		set.add("2");
+
+		Assert.assertEquals("0", set.asList().get(0));
+		Assert.assertEquals("1", set.asList().get(1));
+		Assert.assertEquals("2", set.asList().get(2));
+	}
+
+	@Test
+	public void testIsFull() {
+		set.add("0");
+		set.add("1");
+
+		Assert.assertFalse(set.isFull());
+		set.add("2");
+		Assert.assertTrue(set.isFull());
+	}
+
+	@Test
+	public void testOrder() {
+		set.add("2");
+		set.add("1");
+		set.add("0");
+
+		Assert.assertEquals("0", set.asList().get(0));
+		Assert.assertEquals("1", set.asList().get(1));
+		Assert.assertEquals("2", set.asList().get(2));
+	}
+
+	@Test
+	public void testEviction() {
+		set.add("7");
+		set.add("8");
+		set.add("9");
+
+		set.add("0");
+		set.add("1");
+		set.add("2");
+
+		Assert.assertEquals("0", set.asList().get(0));
+		Assert.assertEquals("1", set.asList().get(1));
+		Assert.assertEquals("2", set.asList().get(2));
+	}
+
+	@Test
+	public void testCapacity() {
+		set.add("0");
+		set.add("1");
+		set.add("2");
+		set.add("3");
+
+		Assert.assertEquals(3, set.asList().size());
+	}
+
+	@Test
+	public void testLast() {
+		set.add("0");
+		set.add("1");
+		set.add("2");
+
+		Assert.assertEquals("2", set.last());
+
+		set.add("3");
+
+		Assert.assertEquals("2", set.last());
+	}
+}