com.bigdata.io.writecache

Class TestRWWriteCacheService

java.lang.Object

junit.framework.Assert

junit.framework.TestCase

junit.framework.TestCase2

com.bigdata.io.TestCase3

com.bigdata.io.writecache.TestRWWriteCacheService

All Implemented Interfaces:

junit.framework.Test

public class TestRWWriteCacheService
extends TestCase3

Test suite for the WriteCacheService using scattered writes on a backing file.

Version:

$Id: TestWriteCacheService.java 2866 2010-05-18 18:36:35Z thompsonbry $

Author:

Bryan Thompson

Nested Class Summary

Nested classes/interfaces inherited from class junit.framework.TestCase2

TestCase2.MyProperties, TestCase2.RandomType

Field Summary

Fields

Modifier and Type	Field and Description
protected Random	r A random number generated - the seed is NOT fixed.

Fields inherited from class junit.framework.TestCase2

_randomType, log

Constructor Summary

Constructors

Constructor and Description
TestRWWriteCacheService()
TestRWWriteCacheService(String name)

Method Summary

Methods

Modifier and Type	Method and Description
ByteBuffer	getRandomData() Returns random data that will fit in N bytes.
ByteBuffer	getRandomData(int nbytes) Returns random data that will fit in nbytes.
protected void	setUp()
protected void	tearDown()
void	test_simpleDataRWService()
void	test_simpleRWService()
void	test_stressDataRWService()
void	testCompactingCopy() Test simple compaction of WriteCache
void	testFullCompactingCopy()
void	testSingleCompactingCopy()
void	testStressCompactingCopy() 1) Creates five WriteCaches and writes until four full.

Methods inherited from class com.bigdata.io.TestCase3

assertCondition, assertCondition, assertEquals, assertEquals, getBytes, getPort, getRandomData

Methods inherited from class junit.framework.TestCase2

assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEqualsWithinUlps, assertSameArray, assertSameArray, assertSameBigDecimal, assertSameBigDecimal, assertSameBigInteger, assertSameBigInteger, assertSameIterator, assertSameIterator, assertSameIteratorAnyOrder, assertSameIteratorAnyOrder, assertSameValue, assertSameValue, assertZeroUlps, assertZeroUlps, fail, getInnerCause, getNormalInt, getProjectBuildPath, getProperties, getRandomObject, getRandomObject, getRandomOrder, getRandomString, getTestInputStream, getTestResource, getTestResource, getUlps, getUlps, isDEBUG, isDEBUG, isINFO, isINFO, isInnerCause, logProperties

Methods inherited from class junit.framework.TestCase

assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertFalse, assertFalse, assertNotNull, assertNotNull, assertNotSame, assertNotSame, assertNull, assertNull, assertSame, assertSame, assertTrue, assertTrue, countTestCases, createResult, fail, fail, failNotEquals, failNotSame, failSame, format, getName, run, run, runBare, runTest, setName, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

r

protected final Random r

A random number generated - the seed is NOT fixed.

Constructor Detail

TestRWWriteCacheService

public TestRWWriteCacheService()

TestRWWriteCacheService

public TestRWWriteCacheService(String name)

Parameters:

name -

Method Detail

setUp

protected void setUp()
              throws Exception

Overrides:

setUp in class TestCase3

Throws:

Exception

tearDown

protected void tearDown()
                 throws Exception

Overrides:

tearDown in class TestCase3

Throws:

Exception

test_simpleRWService

public void test_simpleRWService()
                          throws IOException,
                                 InterruptedException

Throws:

IOException

InterruptedException

test_simpleDataRWService

public void test_simpleDataRWService()
                              throws IOException

Throws:

IOException

test_stressDataRWService

public void test_stressDataRWService()
                              throws InterruptedException,
                                     IOException

Throws:

InterruptedException

IOException

getRandomData

public ByteBuffer getRandomData()

Returns random data that will fit in N bytes. N is chosen randomly in 1:256.

Returns:

A new ByteBuffer wrapping a new byte[] of random length and having random contents.

getRandomData

public ByteBuffer getRandomData(int nbytes)

Returns random data that will fit in nbytes.

Overrides:

getRandomData in class TestCase3

Returns:

A new ByteBuffer wrapping a new byte[] having random contents.

testCompactingCopy

public void testCompactingCopy()
                        throws InterruptedException

Test simple compaction of WriteCache

Throws:

InterruptedException

testFullCompactingCopy

public void testFullCompactingCopy()
                            throws InterruptedException

Throws:

InterruptedException

testSingleCompactingCopy

public void testSingleCompactingCopy()
                              throws InterruptedException

Throws:

InterruptedException

testStressCompactingCopy

public void testStressCompactingCopy()
                              throws InterruptedException

1) Creates five WriteCaches and writes until four full. 2) Randomly removes half the writes. 3) The compacts into final and newly emptied caches.

Throws:

InterruptedException