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Add lots of tests for bug 33071 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131839 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2005-01-22 00:47:49 +00:00
parent 33e4e28a60
commit 46d73eac81
1 changed files with 171 additions and 1 deletions
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172
src/test/org/apache/commons/collections/buffer/TestCircularFifoBuffer.java
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@ -25,6 +25,7 @@ import java.util.Iterator;
import java.util.List;
import junit.framework.Test;
import junit.textui.TestRunner;
import org.apache.commons.collections.Buffer;
import org.apache.commons.collections.BufferUnderflowException;
@ -34,7 +35,7 @@ import org.apache.commons.collections.collection.AbstractTestCollection;
/**
* Test cases for CircularFifoBuffer.
*
* @version $Revision: 1.5 $ $Date: 2004/10/16 22:23:41 $
* @version $Revision: 1.6 $ $Date: 2005/01/22 00:47:49 $
*
* @author Stephen Colebourne
*/
@ -48,6 +49,10 @@ public class TestCircularFifoBuffer extends AbstractTestCollection {
return BulkTest.makeSuite(TestCircularFifoBuffer.class);
}
public static void main(String args[]) {
TestRunner.run(TestCircularFifoBuffer.class);
}
//-----------------------------------------------------------------------
/**
* Runs through the regular verifications, but also verifies that
@ -198,6 +203,171 @@ public class TestCircularFifoBuffer extends AbstractTestCollection {
fail();
}
public void testRemoveError1() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5");
assertEquals("[1, 2, 3, 4, 5]", fifo.toString());
fifo.remove("3");
assertEquals("[1, 2, 4, 5]", fifo.toString());
fifo.remove("4");
assertEquals("[1, 2, 5]", fifo.toString());
}
public void testRemoveError2() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5");
fifo.add("6");
assertEquals(5, fifo.size());
assertEquals("[2, 3, 4, 5, 6]", fifo.toString());
fifo.remove("3");
assertEquals("[2, 4, 5, 6]", fifo.toString());
fifo.remove("4");
assertEquals("[2, 5, 6]", fifo.toString());
}
public void testRemoveError3() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5");
assertEquals("[1, 2, 3, 4, 5]", fifo.toString());
fifo.remove("3");
assertEquals("[1, 2, 4, 5]", fifo.toString());
fifo.add("6");
fifo.add("7");
assertEquals("[2, 4, 5, 6, 7]", fifo.toString());
fifo.remove("4");
assertEquals("[2, 5, 6, 7]", fifo.toString());
}
public void testRemoveError4() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
assertEquals("[3, 4, 5, 6, 7]", fifo.toString());
fifo.remove("4"); // remove element in middle of array, after start
assertEquals("[3, 5, 6, 7]", fifo.toString());
}
public void testRemoveError5() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
assertEquals("[3, 4, 5, 6, 7]", fifo.toString());
fifo.remove("5"); // remove element at last pos in array
assertEquals("[3, 4, 6, 7]", fifo.toString());
}
public void testRemoveError6() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
assertEquals("[3, 4, 5, 6, 7]", fifo.toString());
fifo.remove("6"); // remove element at position zero in array
assertEquals("[3, 4, 5, 7]", fifo.toString());
}
public void testRemoveError7() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
assertEquals("[3, 4, 5, 6, 7]", fifo.toString());
fifo.remove("7"); // remove element at position one in array
assertEquals("[3, 4, 5, 6]", fifo.toString());
}
public void testRemoveError8() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
fifo.add("8"); // end=3
assertEquals("[4, 5, 6, 7, 8]", fifo.toString());
fifo.remove("7"); // remove element at position one in array, need to shift 8
assertEquals("[4, 5, 6, 8]", fifo.toString());
}
public void testRemoveError9() throws Exception {
// based on bug 33071
CircularFifoBuffer fifo = new CircularFifoBuffer(5);
fifo.add("1");
fifo.add("2");
fifo.add("3");
fifo.add("4");
fifo.add("5"); // end=0
fifo.add("6"); // end=1
fifo.add("7"); // end=2
fifo.add("8"); // end=3
assertEquals("[4, 5, 6, 7, 8]", fifo.toString());
fifo.remove("8"); // remove element at position two in array
assertEquals("[4, 5, 6, 7]", fifo.toString());
}
//-----------------------------------------------------------------------
public void testRepeatedSerialization() throws Exception {
// bug 31433
CircularFifoBuffer b = new CircularFifoBuffer(2);