HashQueueTest added. Close #29

hipster-core/src/test/java/es/usc/citius/lab/hipster/collection/HashQueueTest.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2013 Centro de Investigación en Tecnoloxías da Información (CITIUS), University of Santiago de Compostela (USC).
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+package es.usc.citius.lab.hipster.collection;
+
+
+import org.junit.Test;
+
+import java.util.Iterator;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+
+
+public class HashQueueTest {
+    @Test
+    public void testOffer() throws Exception {
+        HashQueue<String> queue = new HashQueue<String>();
+        queue.offer("element");
+        assertEquals(1, queue.size());
+    }
+
+    @Test
+    public void testPoll() throws Exception {
+        HashQueue<String> queue = new HashQueue<String>();
+        queue.offer("element");
+        assertEquals("element", queue.poll());
+        assertEquals(0, queue.size());
+    }
+
+    @Test
+    public void testPeek() throws Exception {
+        HashQueue<String> queue = new HashQueue<String>();
+        queue.offer("element");
+        assertEquals("element", queue.peek());
+        assertEquals(1, queue.size());
+    }
+
+    @Test
+    public void testIterator() throws Exception {
+        HashQueue<String> queue = new HashQueue<String>();
+        String[] elements = new String[]{"element-1","element-2","element-3"};
+        queue.offer(elements[0]);
+        queue.offer(elements[1]);
+        queue.offer(elements[2]);
+        Iterator<String> it = queue.iterator();
+        assertTrue(it.hasNext());
+        int i=0;
+        while(it.hasNext()){
+            assertEquals(elements[i++],it.next());
+        }
+        assertEquals(3, queue.size());
+    }
+
+    @Test
+    public void testContains() throws Exception {
+        HashQueue<String> queue = new HashQueue<String>();
+        String[] elements = new String[]{"element-1","element-2","element-3"};
+        queue.offer(elements[0]);
+        queue.offer(elements[1]);
+        queue.offer(elements[2]);
+        assertTrue(queue.contains("element-1"));
+        assertTrue(queue.contains("element-2"));
+        assertTrue(queue.contains("element-3"));
+    }
+}