Author: julien(a)jboss.com Date: 2007-02-17 17:34:22 -0500 (Sat, 17 Feb 2007) New Revision: 6328 Added: trunk/format/src/main/org/jboss/portal/format/util/ListBrowser.java trunk/format/src/main/org/jboss/portal/test/format/ListBrowserTestCase.java Modified: trunk/format/build.xml Log: range browser util Modified: trunk/format/build.xml =================================================================== --- trunk/format/build.xml 2007-02-16 23:29:59 UTC (rev 6327) +++ trunk/format/build.xml 2007-02-17 22:34:22 UTC (rev 6328) @@ -228,9 +228,16 @@ <target name="tests" depends="compile"> <execute-tests> + <x-sysproperty> +<!-- + <jvmarg value="-Xdebug"/> + <jvmarg value="-Xrunjdwp:transport=dt_socket,address=8787,server=y,suspend=y"/> +--> + </x-sysproperty> <x-test> <test todir="${test.reports}" name="org.jboss.portal.test.format.BBCodeHTML2HTMLTestCase"/> <test todir="${test.reports}" name="org.jboss.portal.test.format.BBCodeHTML2TextTestCase"/> + <test todir="${test.reports}" name="org.jboss.portal.test.format.ListBrowserTestCase"/> </x-test> <x-classpath> <pathelement location="${build.classes}"/> Added: trunk/format/src/main/org/jboss/portal/format/util/ListBrowser.java =================================================================== --- trunk/format/src/main/org/jboss/portal/format/util/ListBrowser.java (rev 0) +++ trunk/format/src/main/org/jboss/portal/format/util/ListBrowser.java 2007-02-17 22:34:22 UTC (rev 6328) @@ -0,0 +1,229 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ +package org.jboss.portal.format.util; + +/** + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class ListBrowser +{ + + /** . */ + private State state; + + /** . */ + private Range leftRange; + + /** . */ + private Range middleRange; + + /** . */ + private Range rightRange; + + public ListBrowser(int from, int to, int width, int index) + { + updateState(new State(from, to, width, index)); + } + + public int getFrom() + { + return state.from; + } + + public void setFrom(int from) + { + updateState(new State(from, state.to, state.width, state.index)); + } + + public int getTo() + { + return state.to; + } + + public void setTo(int to) + { + updateState(new State(state.from, to, state.width, state.index)); + } + + public int getWidth() + { + return state.width; + } + + public void setWidth(int width) + { + updateState(new State(state.from, state.to, width, state.index)); + } + + public int getIndex() + { + return state.index; + } + + public void setIndex(int index) + { + updateState(new State(state.from, state.to, state.width, index)); + } + + private void updateState(State state) + { + this.state = state; + + // + compute(); + } + + private void compute() + { + leftRange = middleRange = rightRange = null; + + // + if (state.to - state.from <= state.width * 3) + { + middleRange = new Range(state.from, state.to); + } + else + { + int leftTo = state.from + state.width; + int rightFrom = state.to - state.width; + int middleFrom = state.index - (state.width - 1) / 2; + int middleTo = middleFrom + state.width; + + // + if (middleFrom <= leftTo) + { + if (middleTo > leftTo) + { + leftRange = new Range(state.from, middleTo); + } + else + { + leftRange = new Range(state.from, leftTo); + } + rightRange = new Range(rightFrom, state.to); + } + else if (middleTo >= rightFrom) + { + if (middleFrom < rightFrom) + { + rightRange = new Range(middleFrom, state.to); + } + else + { + rightRange = new Range(rightFrom, state.to); + } + leftRange = new Range(state.from, leftTo); + } + else + { + leftRange = new Range(state.from, leftTo); + middleRange = new Range(middleFrom, middleTo); + rightRange = new Range(rightFrom, state.to); + } + } + } + + public Range getLeftRange() + { + return leftRange; + } + + public Range getMiddleRange() + { + return middleRange; + } + + public Range getRightRange() + { + return rightRange; + } + + public static class Range + { + + /** . */ + private final int from; + + /** . */ + private final int to; + + public Range(int from, int to) + { + this.from = from; + this.to = to; + } + + public int getFrom() + { + return from; + } + + public int getTo() + { + return to; + } + } + + private static class State + { + + /** Lower inclusive bound. */ + private final int from; + + /** Upper exclusive bound. */ + private final int to; + + /** . */ + private final int width; + + /** . */ + private final int index; + + public State(int from, int to, int width, int index) + { + if (from > to) + { + throw new IllegalArgumentException(); + } + if (index < from) + { + throw new IllegalArgumentException(); + } + if (index >= to) + { + throw new IllegalArgumentException(); + } + if (width < 1) + { + throw new IllegalArgumentException(); + } + + // + this.from = from; + this.to = to; + this.width = Math.min(width, to - from); + this.index = index; + } + } +} Added: trunk/format/src/main/org/jboss/portal/test/format/ListBrowserTestCase.java =================================================================== --- trunk/format/src/main/org/jboss/portal/test/format/ListBrowserTestCase.java (rev 0) +++ trunk/format/src/main/org/jboss/portal/test/format/ListBrowserTestCase.java 2007-02-17 22:34:22 UTC (rev 6328) @@ -0,0 +1,733 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2006, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ +package org.jboss.portal.test.format; + +import junit.framework.TestCase; +import org.jboss.portal.format.util.ListBrowser; + +/** + * @author <a href="mailto:julien@jboss.org">Julien Viet</a> + * @version $Revision: 1.1 $ + */ +public class ListBrowserTestCase extends TestCase +{ + + public void test_3_11() + { + ListBrowser model = new ListBrowser(0, 11, 3, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(4, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(5, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(4); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(6, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(5); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNotNull(middleRange); + assertEquals(4, middleRange.getFrom()); + assertEquals(7, middleRange.getTo()); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(6); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(7); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(8); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(9); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + + // + model.setIndex(10); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(8, rightRange.getFrom()); + assertEquals(11, rightRange.getTo()); + } + + public void test_3_10() + { + ListBrowser model = new ListBrowser(0, 10, 3, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(4, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(5, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(4); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(6, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(5); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(6); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(7); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(8); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + + // + model.setIndex(9); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(7, rightRange.getFrom()); + assertEquals(10, rightRange.getTo()); + } + + public void test_3_inf_10() + { + for (int j = 1;j < 10;j++) + { + for (int i = 0;i < j;i++) + { + ListBrowser model = new ListBrowser(0, j, 3, i); + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + String msg = "testing with i=" +i + " j=" + j; + assertNull(msg, leftRange); + assertNotNull(msg, middleRange); + assertEquals(msg, 0, middleRange.getFrom()); + assertEquals(msg, j, middleRange.getTo()); + assertNull(msg, rightRange); + } + } + } + + public void test_2_8() + { + ListBrowser model = new ListBrowser(0, 8, 2, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(4, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNotNull(middleRange); + assertEquals(3, middleRange.getFrom()); + assertEquals(5, middleRange.getTo()); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(4); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(5); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(6); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + + // + model.setIndex(7); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(6, rightRange.getFrom()); + assertEquals(8, rightRange.getTo()); + } + + public void test_2_7() + { + ListBrowser model = new ListBrowser(0, 7, 2, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(3, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(4, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(3, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(4); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(5); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + + // + model.setIndex(6); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(5, rightRange.getFrom()); + assertEquals(7, rightRange.getTo()); + } + + public void test_2_inf_7() + { + for (int j = 1;j < 7;j++) + { + for (int i = 0;i < j;i++) + { + ListBrowser model = new ListBrowser(0, j, 2, i); + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + String msg = "testing with i=" +i + " j=" + j; + assertNull(msg, leftRange); + assertNotNull(msg, middleRange); + assertEquals(msg, 0, middleRange.getFrom()); + assertEquals(msg, j, middleRange.getTo()); + assertNull(msg, rightRange); + } + } + } + + public void test_1_5() + { + ListBrowser model = new ListBrowser(0, 5, 1, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(5, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(5, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNotNull(middleRange); + assertEquals(2, middleRange.getFrom()); + assertEquals(3, middleRange.getTo()); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(5, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(3, rightRange.getFrom()); + assertEquals(5, rightRange.getTo()); + + // + model.setIndex(4); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(4, rightRange.getFrom()); + assertEquals(5, rightRange.getTo()); + } + + public void test_1_4() + { + ListBrowser model = new ListBrowser(0, 4, 1, 0); + + // + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(3, rightRange.getFrom()); + assertEquals(4, rightRange.getTo()); + + // + model.setIndex(1); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(2, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(3, rightRange.getFrom()); + assertEquals(4, rightRange.getTo()); + + // + model.setIndex(2); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(2, rightRange.getFrom()); + assertEquals(4, rightRange.getTo()); + + // + model.setIndex(3); + leftRange = model.getLeftRange(); + middleRange = model.getMiddleRange(); + rightRange = model.getRightRange(); + assertNotNull(leftRange); + assertEquals(0, leftRange.getFrom()); + assertEquals(1, leftRange.getTo()); + assertNull(middleRange); + assertNotNull(rightRange); + assertEquals(3, rightRange.getFrom()); + assertEquals(4, rightRange.getTo()); + } + + public void test_1_inf_4() + { + for (int j = 1;j < 4;j++) + { + for (int i = 0;i < j;i++) + { + ListBrowser model = new ListBrowser(0, j, 1, i); + ListBrowser.Range leftRange = model.getLeftRange(); + ListBrowser.Range middleRange = model.getMiddleRange(); + ListBrowser.Range rightRange = model.getRightRange(); + String msg = "testing with i=" +i + " j=" + j; + assertNull(msg, leftRange); + assertNotNull(msg, middleRange); + assertEquals(msg, 0, middleRange.getFrom()); + assertEquals(msg, j, middleRange.getTo()); + assertNull(msg, rightRange); + } + } + } + + public void testThrowIAE() + { + contructionFail(0, 0, 1, 0); + + // + contructionFail(0, 1, 1, -1); + contructionFail(0, 1, 1, 2); + + // + contructionFail(0, 1, 0, 0); + } + + private void contructionFail(int from, int to, int width, int index) + { + try + { + new ListBrowser(from, to, width, index); + fail("Was expecting failure for from=" + from + "to=" + to + " width=" + width + " index=" + index); + } + catch (IllegalArgumentException expected) + { + } + } +}