Changed folder structure of test classes and renamed some packages

test/zutil/struct/CircularBufferTest.java

@@ -0,0 +1,119 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Ziver Koc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package zutil.struct;
+
+import org.junit.Test;
+
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+
+/**
+ * Created by Ziver on 2015-09-22.
+ */
+public class CircularBufferTest {
+
+    @Test
+    public void addToEmpty() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(0);
+        try {
+            buff.add(10);
+            fail("IndexOutOfBoundsException was not thrown");
+        } catch (IndexOutOfBoundsException e) {}
+    }
+
+    @Test
+    public void addOneElement() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(1);
+        assertEquals(0, buff.size());
+        buff.add(10);
+        assertEquals(1, buff.size());
+        assertEquals((Integer) 10, buff.get(0));
+    }
+
+    @Test
+    public void addThreeElements() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(10);
+        buff.add(10);
+        buff.add(11);
+        buff.add(12);
+        assertEquals(3, buff.size());
+        assertEquals((Integer) 12, buff.get(0));
+        assertEquals((Integer) 11, buff.get(1));
+        assertEquals((Integer) 10, buff.get(2));
+    }
+
+    @Test
+    public void addOutOfRange() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(2);
+        buff.add(10);
+        buff.add(11);
+        buff.add(12);
+        assertEquals(2, buff.size());
+        assertEquals((Integer) 12, buff.get(0));
+        assertEquals((Integer) 11, buff.get(1));
+        try {
+            buff.get(2);
+            fail("IndexOutOfBoundsException was not thrown");
+        } catch (IndexOutOfBoundsException e) {}
+    }
+
+    @Test
+    public void iteratorEmpty() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(10);
+        Iterator<Integer> it = buff.iterator();
+
+        assert (!it.hasNext());
+        try {
+            it.next();
+            fail("NoSuchElementException was not thrown");
+        } catch (NoSuchElementException e) {}
+    }
+
+    @Test
+    public void iteratorThreeElements() {
+        CircularBuffer<Integer> buff = new CircularBuffer<Integer>(10);
+        buff.add(10);
+        buff.add(11);
+        buff.add(12);
+
+        Iterator<Integer> it = buff.iterator();
+        assert (it.hasNext());
+        assertEquals((Integer) 12, it.next());
+        assert (it.hasNext());
+        assertEquals((Integer) 11, it.next());
+        assert (it.hasNext());
+        assertEquals((Integer) 10, it.next());
+        assert (!it.hasNext());
+
+        try {
+            it.next();
+            fail("NoSuchElementException was not thrown");
+        } catch (NoSuchElementException e) {}
+    }
+}