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+/*
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+ * Copyright (c) 2006-2008 Chris Smith, Shane Mc Cormack, Gregory Holmes
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ * SOFTWARE.
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+ */
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+
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+package com.dmdirc.util;
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+
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+import org.junit.Test;
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+import static org.junit.Assert.*;
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+
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+public class RollingListTest extends junit.framework.TestCase {
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+
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+ @Test
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+ public void testIsEmpty() {
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+ final RollingList<String> rl = new RollingList<String>(1);
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+ assertTrue(rl.isEmpty());
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+ assertTrue(rl.getList().isEmpty());
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+
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+ rl.add("Foo");
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+ assertFalse(rl.isEmpty());
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+ assertFalse(rl.getList().isEmpty());
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+ }
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+
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+ @Test
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+ public void testRolling() {
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+ final RollingList<String> rl = new RollingList<String>(1);
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+
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+ rl.add("Foo");
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+ rl.add("Bar");
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+ rl.add("Baz");
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+
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+ assertEquals("Baz", rl.get(0));
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+ assertEquals(1, rl.getList().size());
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+ assertFalse(rl.contains("Bar"));
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+ }
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+
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+ @Test
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+ public void testClear() {
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+ final RollingList<String> rl = new RollingList<String>(3);
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+
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+ rl.add("Foo");
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+ rl.add("Bar");
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+ rl.add("Baz");
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+ rl.clear();
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+
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+ assertTrue(rl.isEmpty());
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+ assertTrue(rl.getList().isEmpty());
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+ }
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+
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+ @Test
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+ public void testPositions() {
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+ final RollingList<String> rl = new RollingList<String>(3);
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+
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+ rl.add("Foo");
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+ rl.add("Bar");
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+ rl.add("Baz");
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+
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+ assertEquals(0, rl.getPosition());
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+
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+ rl.seekToEnd();
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+ assertEquals(3, rl.getPosition());
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+
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+ rl.seekToStart();
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+ assertEquals(0, rl.getPosition());
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+ }
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+
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+ @Test
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+ public void testPrevNext() {
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+ final RollingList<String> rl = new RollingList<String>(3);
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+
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+ rl.add("Foo");
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+ rl.add("Bar");
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+ rl.add("Baz");
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+
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+ assertEquals("Bar", rl.getNext());
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+ assertEquals("Baz", rl.getNext());
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+ assertFalse(rl.hasNext());
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+ assertTrue(rl.hasPrevious());
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+
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+ assertEquals("Bar", rl.getPrevious());
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+ assertEquals("Foo", rl.getPrevious());
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+ assertFalse(rl.hasPrevious());
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+ assertTrue(rl.hasNext());
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+ }
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+
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+ @Test
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+ public void testEmpty() {
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+ final RollingList<String> rl = new RollingList<String>(1, "Meep");
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+ rl.add("Foo");
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+
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+ assertEquals("Meep", rl.getNext());
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+ assertFalse(rl.hasNext());
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+
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+ rl.add("Bar");
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+
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+ // The position moves when adding
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+ assertTrue(rl.hasNext());
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+ assertFalse(rl.hasPrevious());
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+ assertEquals("Meep", rl.getNext());
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+ assertEquals("Bar", rl.getPrevious());
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+ }
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+
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+}
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