jfreechart example source code file (SegmentedTimelineTests.java)
The jfreechart SegmentedTimelineTests.java source code
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------------
* SegmentedTimelineTests.java
* ----------------------------
* (C) Copyright 2003-2008, by Bill Kelemen and Contributors.
*
* Original Author: Bill Kelemen;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* Changes
* -------
* 24-May-2003 : Version 1 (BK);
* 07-Jan-2005 : Added test for hashCode() method (DG);
* 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
*
*/
package org.jfree.chart.axis.junit;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.text.Format;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Iterator;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.axis.SegmentedTimeline;
/**
* JUnit Tests for the {@link SegmentedTimeline} class.
*/
public class SegmentedTimelineTests extends TestCase {
/** These constants control test cycles in the validateXXXX methods. */
private static final int TEST_CYCLE_START = 0;
/** These constants control test cycles in the validateXXXX methods. */
private static final int TEST_CYCLE_END = 1000;
/** These constants control test cycles in the validateXXXX methods. */
private static final int TEST_CYCLE_INC = 55;
/** Number of ms in five years */
private static final long FIVE_YEARS = 5 * 365
* SegmentedTimeline.DAY_SEGMENT_SIZE;
/** Number format object for ms tests. */
private static final NumberFormat NUMBER_FORMAT
= NumberFormat.getNumberInstance();
/** Date format object for Monday through Friday tests. */
private static final SimpleDateFormat DATE_FORMAT;
/** Date format object 9:00 AM to 4:00 PM tests. */
private static final SimpleDateFormat DATE_TIME_FORMAT;
/** Some ms exceptions for ms testing. */
private static final String[] MS_EXCEPTIONS = {"0", "2", "4", "10", "15",
"16", "17", "18", "19", "20", "21", "22", "23", "24", "47", "58",
"100", "101"};
/** Some ms4 exceptions for ms testing. */
private static final String[] MS2_BASE_TIMELINE_EXCEPTIONS = {"0", "8",
"16", "24", "32", "40", "48", "56", "64", "72", "80", "88", "96",
"104", "112", "120", "128", "136"};
/** US non-trading dates in 2000 through 2002 to test exceptions. */
private static final String[] US_HOLIDAYS = {"2000-01-17", "2000-02-21",
"2000-04-21", "2000-05-29", "2000-07-04", "2000-09-04", "2000-11-23",
"2000-12-25", "2001-01-01", "2001-01-15", "2001-02-19", "2001-04-13",
"2001-05-28", "2001-07-04", "2001-09-03", "2001-09-11", "2001-09-12",
"2001-09-13", "2001-09-14", "2001-11-22", "2001-12-25", "2002-01-01",
"2002-01-21", "2002-02-18", "2002-03-29", "2002-05-27", "2002-07-04",
"2002-09-02", "2002-11-28", "2002-12-25"};
/** Some test exceptions for the fifteen min timeline. */
private static final String[] FIFTEEN_MIN_EXCEPTIONS = {
"2000-01-10 09:00:00", "2000-01-10 09:15:00", "2000-01-10 09:30:00",
"2000-01-10 09:45:00", "2000-01-10 10:00:00", "2000-01-10 10:15:00",
"2000-02-15 09:00:00", "2000-02-15 09:15:00", "2000-02-15 09:30:00",
"2000-02-15 09:45:00", "2000-02-15 10:00:00", "2000-02-15 10:15:00",
"2000-02-16 11:00:00", "2000-02-16 11:15:00", "2000-02-16 11:30:00",
"2000-02-16 11:45:00", "2000-02-16 12:00:00", "2000-02-16 12:15:00",
"2000-02-16 12:30:00", "2000-02-16 12:45:00", "2000-02-16 01:00:00",
"2000-02-16 01:15:00", "2000-02-16 01:30:00", "2000-02-16 01:45:00",
"2000-05-17 11:45:00", "2000-05-17 12:00:00", "2000-05-17 12:15:00",
"2000-05-17 12:30:00", "2000-05-17 12:45:00", "2000-05-17 01:00:00",
"2000-05-17 01:15:00", "2000-05-17 01:30:00", "2000-05-17 01:45:00",
"2000-05-17 02:00:00", "2000-05-17 02:15:00", "2000-05-17 02:30:00",
"2000-05-17 02:45:00", "2000-05-17 03:00:00", "2000-05-17 03:15:00",
"2000-05-17 03:30:00", "2000-05-17 03:45:00", "2000-05-17 04:00:00"};
/** Our 1-ms test timeline using 5 included and 2 excluded segments. */
private SegmentedTimeline msTimeline;
/**
* Our 1-ms test timeline (with baseTimeline) using 2 included and 2
* excluded segments.
*/
private SegmentedTimeline ms2Timeline;
/**
* Our 4-ms test base timeline for ms2Timeline using 1 included and 1
* excluded segments
*/
private SegmentedTimeline ms2BaseTimeline;
/** Our test Monday through Friday test timeline. */
private SegmentedTimeline mondayFridayTimeline;
/** Our 9:00 AM to 4:00 PM fifteen minute timeline. */
private SegmentedTimeline fifteenMinTimeline;
/** ms from 1970-01-01 to first monday after 2001-01-01. */
private Calendar monday;
/** ms from 1970-01-01 to 9 am first monday after 2001-01-01. */
private Calendar monday9am;
/** Static initialization block. */
static {
DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
DATE_FORMAT.setTimeZone(SegmentedTimeline.NO_DST_TIME_ZONE);
DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
DATE_TIME_FORMAT.setTimeZone(SegmentedTimeline.NO_DST_TIME_ZONE);
}
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(SegmentedTimelineTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public SegmentedTimelineTests(String name) {
super(name);
}
/**
* Sets up the fixture, for example, open a network connection.
* This method is called before a test is executed.
*
* @throws Exception if there is a problem.
*/
protected void setUp() throws Exception {
// setup our test timelines
//
// Legend for comments below:
// <spaces> = Segments included in the final timeline
// EE = Excluded segments via timeline rules
// xx = Exception segments inherited from base timeline exclusions
// 1-ms test timeline using 5 included and 2 excluded segments.
//
// timeline start time = 0
// |
// v
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ..
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+..
// | | | | | |EE|EE| | | | | |EE|EE| | | | | | |EE|EE| <-- msTimeline
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+..
// \_________ ________/ \_/
// \/ |
// segment group segment size = 1 ms
//
this.msTimeline = new SegmentedTimeline(1, 5, 2);
this.msTimeline.setStartTime(0);
// 4-ms test base timeline for ms2Timeline using 1 included and 1
// excluded segments
//
// timeline start time = 0
// |
// v
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// | | | | |EE|EE|EE|EE| | | | |EE|EE|EE|EE| | | | | <-- ms2BaseTimeline
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// \__________ _________/ \____ _____/
// \/ \/
// segment group segment size = 4 ms
//
this.ms2BaseTimeline = new SegmentedTimeline(4, 1, 1);
this.ms2BaseTimeline.setStartTime(0);
// 1-ms test timeline (with a baseTimeline) using 2 included and 2
// excluded segments centered inside each base segment
//
// The ms2Timeline without a base would look like this:
//
// timeline start time = 1
// |
// v
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// |EE| | |EE|EE| | |EE|EE| | |EE|EE| | |EE|EE| | |EE| <-- ms2Timeline
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// \____ _____/ \_/
// \/ |
// segment group segment size = 1 ms
//
// With the base timeline some originally included segments are now
// removed (see "xx" below):
//
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// |EE| | |EE|EE|xx|xx|EE|EE| | |EE|EE|xx|xx|EE|EE| | |EE| <-- ms2Timeline
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
// | | | | |EE|EE|EE|EE| | | | |EE|EE|EE|EE| | | | | <-- ms2BaseTimeline
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+...
//
this.ms2Timeline = new SegmentedTimeline(1, 2, 2);
this.ms2Timeline.setStartTime(1);
this.ms2Timeline.setBaseTimeline(this.ms2BaseTimeline);
// test monday though friday timeline
this.mondayFridayTimeline
= SegmentedTimeline.newMondayThroughFridayTimeline();
// test 9am-4pm Monday through Friday timeline
this.fifteenMinTimeline
= SegmentedTimeline.newFifteenMinuteTimeline();
// find first Monday after 2001-01-01
Calendar cal = new GregorianCalendar(
SegmentedTimeline.NO_DST_TIME_ZONE);
cal.set(2001, 0, 1, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
while (cal.get(Calendar.DAY_OF_WEEK) != Calendar.MONDAY) {
cal.add(Calendar.DATE, 1);
}
this.monday = (Calendar) cal.clone();
// calculate 9am on the first Monday after 2001-01-01
cal.add(Calendar.HOUR, 9);
this.monday9am = (Calendar) cal.clone();
}
/**
* Tears down the fixture, for example, close a network connection.
* This method is called after a test is executed.
*
* @throws Exception if there is a problem.
*/
protected void tearDown() throws Exception {
// does nothing
}
//////////////////////////////////////////////////////////////////////////
// test construction process
//////////////////////////////////////////////////////////////////////////
/**
* Tests that the new method that created the msTimeline segmented
* timeline did so correctly.
*/
public void testMsSegmentedTimeline() {
// verify attributes set during object construction
assertEquals(1, this.msTimeline.getSegmentSize());
assertEquals(0, this.msTimeline.getStartTime());
assertEquals(5, this.msTimeline.getSegmentsIncluded());
assertEquals(2, this.msTimeline.getSegmentsExcluded());
}
/**
* Tests that the new method that created the ms2Timeline segmented
* timeline did so correctly.
*/
public void testMs2SegmentedTimeline() {
// verify attributes set during object construction
assertEquals(1, this.ms2Timeline.getSegmentSize());
assertEquals(1, this.ms2Timeline.getStartTime());
assertEquals(2, this.ms2Timeline.getSegmentsIncluded());
assertEquals(2, this.ms2Timeline.getSegmentsExcluded());
assertEquals(this.ms2BaseTimeline, this.ms2Timeline.getBaseTimeline());
}
/**
* Tests that the factory method that creates Monday through Friday
* segmented timeline does so correctly.
*/
public void testMondayThroughFridaySegmentedTimeline() {
// verify attributes set during object construction
assertEquals(SegmentedTimeline.DAY_SEGMENT_SIZE,
this.mondayFridayTimeline.getSegmentSize());
assertEquals(SegmentedTimeline.FIRST_MONDAY_AFTER_1900,
this.mondayFridayTimeline.getStartTime());
assertEquals(5, this.mondayFridayTimeline.getSegmentsIncluded());
assertEquals(2, this.mondayFridayTimeline.getSegmentsExcluded());
}
/**
* Tests that the factory method that creates a 15-min 9:00 AM 4:00 PM
* segmented axis does so correctly.
*/
public void testFifteenMinSegmentedTimeline() {
assertEquals(SegmentedTimeline.FIFTEEN_MINUTE_SEGMENT_SIZE,
this.fifteenMinTimeline.getSegmentSize());
assertEquals(SegmentedTimeline.FIRST_MONDAY_AFTER_1900 + 36
* this.fifteenMinTimeline.getSegmentSize(),
this.fifteenMinTimeline.getStartTime());
assertEquals(28, this.fifteenMinTimeline.getSegmentsIncluded());
assertEquals(68, this.fifteenMinTimeline.getSegmentsExcluded());
}
//////////////////////////////////////////////////////////////////////////
// test one-segment and adjacent segments
//////////////////////////////////////////////////////////////////////////
/**
* Tests one segment of the ms timeline. Internal indices
* inside one segment as well as adjacent segments are verified.
*/
public void testMsSegment() {
verifyOneSegment(this.msTimeline);
}
/**
* Tests one segment of the ms timeline. Internal indices
* inside one segment as well as adjacent segments are verified.
*/
public void testMs2Segment() {
verifyOneSegment(this.ms2Timeline);
}
/**
* Tests one segment of the Monday through Friday timeline. Internal indices
* inside one segment as well as adjacent segments are verified.
*/
public void testMondayThroughFridaySegment() {
verifyOneSegment(this.mondayFridayTimeline);
}
/**
* Tests one segment of the Fifteen timeline. Internal indices
* inside one segment as well as adjacent segments are verified.
*/
public void testFifteenMinSegment() {
verifyOneSegment(this.fifteenMinTimeline);
}
/**
* Tests one segment of the Monday through Friday timeline. Internal indices
* inside one segment as well as adjacent segments are verified.
* @param timeline the timeline to use for verifications.
*/
public void verifyOneSegment(SegmentedTimeline timeline) {
for (long testCycle = TEST_CYCLE_START; testCycle < TEST_CYCLE_END;
testCycle += TEST_CYCLE_INC) {
// get two consecutive segments for various tests
SegmentedTimeline.Segment segment1 = timeline.getSegment(
this.monday.getTime().getTime() + testCycle);
SegmentedTimeline.Segment segment2 = timeline.getSegment(
segment1.getSegmentEnd() + 1);
// verify segments are consecutive and correct
assertEquals(segment1.getSegmentNumber() + 1,
segment2.getSegmentNumber());
assertEquals(segment1.getSegmentEnd() + 1,
segment2.getSegmentStart());
assertEquals(segment1.getSegmentStart()
+ timeline.getSegmentSize() - 1, segment1.getSegmentEnd());
assertEquals(segment1.getSegmentStart() + timeline.getSegmentSize(),
segment2.getSegmentStart());
assertEquals(segment1.getSegmentEnd() + timeline.getSegmentSize(),
segment2.getSegmentEnd());
// verify various indices inside a segment are the same segment
long delta;
if (timeline.getSegmentSize() > 1000000) {
delta = timeline.getSegmentSize() / 10000;
}
else if (timeline.getSegmentSize() > 100000) {
delta = timeline.getSegmentSize() / 1000;
}
else if (timeline.getSegmentSize() > 10000) {
delta = timeline.getSegmentSize() / 100;
}
else if (timeline.getSegmentSize() > 1000) {
delta = timeline.getSegmentSize() / 10;
}
else if (timeline.getSegmentSize() > 100) {
delta = timeline.getSegmentSize() / 5;
}
else {
delta = 1;
}
long start = segment1.getSegmentStart() + delta;
long end = segment1.getSegmentStart()
+ timeline.getSegmentSize() - 1;
SegmentedTimeline.Segment lastSeg = timeline.getSegment(
segment1.getSegmentStart());
SegmentedTimeline.Segment seg;
for (long i = start; i < end; i += delta) {
seg = timeline.getSegment(i);
assertEquals(lastSeg.getSegmentNumber(),
seg.getSegmentNumber());
assertEquals(lastSeg.getSegmentStart(), seg.getSegmentStart());
assertEquals(lastSeg.getSegmentEnd(), seg.getSegmentEnd());
assertTrue(lastSeg.getMillisecond() < seg.getMillisecond());
lastSeg = seg;
}
// try next segment
seg = timeline.getSegment(end + 1);
assertEquals(segment2.getSegmentNumber(), seg.getSegmentNumber());
assertEquals(segment2.getSegmentStart(), seg.getSegmentStart());
assertEquals(segment2.getSegmentEnd(), seg.getSegmentEnd());
}
}
//////////////////////////////////////////////////////////////////////////
// test inc methods
//////////////////////////////////////////////////////////////////////////
/**
* Tests the inc methods on the msTimeline.
*/
public void testMsInc() {
verifyInc(this.msTimeline);
}
/**
* Tests the inc methods on the msTimeline.
*/
public void testMs2Inc() {
verifyInc(this.ms2Timeline);
}
/**
* Tests the inc methods on the Monday through Friday timeline.
*/
public void testMondayThroughFridayInc() {
verifyInc(this.mondayFridayTimeline);
}
/**
* Tests the inc methods on the Fifteen minute timeline.
*/
public void testFifteenMinInc() {
verifyInc(this.fifteenMinTimeline);
}
/**
* Tests the inc methods.
* @param timeline the timeline to use for verifications.
*/
public void verifyInc(SegmentedTimeline timeline) {
for (long testCycle = TEST_CYCLE_START; testCycle < TEST_CYCLE_END;
testCycle += TEST_CYCLE_INC) {
long m = timeline.getSegmentSize();
SegmentedTimeline.Segment segment = timeline.getSegment(testCycle);
SegmentedTimeline.Segment seg1 = segment.copy();
for (int i = 0; i < 1000; i++) {
// test inc() method
SegmentedTimeline.Segment seg2 = seg1.copy();
seg2.inc();
if ((seg1.getSegmentEnd() + 1) != seg2.getSegmentStart()) {
// logically consecutive segments non-physically consecutive
// (with non-contained time in between)
assertTrue(!timeline.containsDomainRange(
seg1.getSegmentEnd() + 1,
seg2.getSegmentStart() - 1));
assertEquals(0, (seg2.getSegmentStart()
- seg1.getSegmentStart()) % m);
assertEquals(0, (seg2.getSegmentEnd()
- seg1.getSegmentEnd()) % m);
assertEquals(0, (seg2.getMillisecond()
- seg1.getMillisecond()) % m);
}
else {
// physically consecutive
assertEquals(seg1.getSegmentStart() + m,
seg2.getSegmentStart());
assertEquals(seg1.getSegmentEnd() + m,
seg2.getSegmentEnd());
assertEquals(seg1.getMillisecond() + m,
seg2.getMillisecond());
}
// test inc(n) method
SegmentedTimeline.Segment seg3 = seg1.copy();
SegmentedTimeline.Segment seg4 = seg1.copy();
for (int j = 0; j < i; j++) {
seg3.inc();
}
seg4.inc(i);
assertEquals(seg3.getSegmentStart(), seg4.getSegmentStart());
assertEquals(seg3.getSegmentEnd(), seg4.getSegmentEnd());
assertEquals(seg3.getMillisecond(), seg4.getMillisecond());
// go to another segment to continue test
seg1.inc();
}
}
}
//////////////////////////////////////////////////////////////////////////
// main include and excluded segments
//////////////////////////////////////////////////////////////////////////
/**
* Tests that the msTimeline's included and excluded
* segments are being calculated correctly.
*/
public void testMsIncludedAndExcludedSegments() {
verifyIncludedAndExcludedSegments(this.msTimeline, 0);
}
/**
* Tests that the ms2Timeline's included and excluded
* segments are being calculated correctly.
*/
public void testMs2IncludedAndExcludedSegments() {
verifyIncludedAndExcludedSegments(this.ms2Timeline, 1);
}
/**
* Tests that the Monday through Friday timeline's included and excluded
* segments are being calculated correctly. The test is performed starting
* on the first monday after 1/1/2000 and for five years.
*/
public void testMondayThroughFridayIncludedAndExcludedSegments() {
verifyIncludedAndExcludedSegments(this.mondayFridayTimeline,
this.monday.getTime().getTime());
}
/**
* Tests that the Fifteen-Min timeline's included and excluded
* segments are being calculated correctly. The test is performed starting
* on the first monday after 1/1/2000 and for five years.
*/
public void testFifteenMinIncludedAndExcludedSegments() {
verifyIncludedAndExcludedSegments(this.fifteenMinTimeline,
this.monday9am.getTime().getTime());
}
/**
* Tests that a timeline's included and excluded segments are being
* calculated correctly.
*
* @param timeline the timeline to verify
* @param n the first segment number to start verifying
*/
public void verifyIncludedAndExcludedSegments(SegmentedTimeline timeline,
long n) {
// clear any exceptions in this timeline
timeline.setExceptionSegments(new java.util.ArrayList());
// test some included and excluded segments
SegmentedTimeline.Segment segment = timeline.getSegment(n);
for (int i = 0; i < 1000; i++) {
int d = (i % timeline.getGroupSegmentCount());
if (d < timeline.getSegmentsIncluded()) {
// should be an included segment
assertTrue(segment.inIncludeSegments());
assertTrue(!segment.inExcludeSegments());
assertTrue(!segment.inExceptionSegments());
}
else {
// should be an excluded segment
assertTrue(!segment.inIncludeSegments());
assertTrue(segment.inExcludeSegments());
assertTrue(!segment.inExceptionSegments());
}
segment.inc();
}
}
//////////////////////////////////////////////////////////////////////////
// test exception segments
//////////////////////////////////////////////////////////////////////////
/**
* Tests methods related to exceptions methods in the msTimeline.
*
* @throws ParseException if there is a parsing error.
*/
public void testMsExceptionSegments() throws ParseException {
verifyExceptionSegments(this.msTimeline, MS_EXCEPTIONS, NUMBER_FORMAT);
}
/**
* Tests methods related to exceptions methods in the ms2BaseTimeline.
*
* @throws ParseException if there is a parsing error.
*/
public void testMs2BaseTimelineExceptionSegments() throws ParseException {
verifyExceptionSegments(this.ms2BaseTimeline,
MS2_BASE_TIMELINE_EXCEPTIONS, NUMBER_FORMAT);
}
/**
* Tests methods related to exceptions methods in the mondayFridayTimeline.
*
* @throws ParseException if there is a parsing error.
*/
public void testMondayThoughFridayExceptionSegments()
throws ParseException {
verifyExceptionSegments(this.mondayFridayTimeline,
US_HOLIDAYS, DATE_FORMAT);
}
/**
* Tests methods related to exceptions methods in the fifteenMinTimeline.
*
* @throws ParseException if there is a parsing error.
*/
public void testFifteenMinExceptionSegments() throws ParseException {
verifyExceptionSegments(this.fifteenMinTimeline,
FIFTEEN_MIN_EXCEPTIONS, DATE_TIME_FORMAT);
}
/**
* Tests methods related to adding exceptions.
*
* @param timeline the timeline to verify
* @param exceptionString array of Strings that represent the exceptions
* @param fmt Format object that can parse the exceptionString strings
*
* @throws ParseException if there is a parsing error.
*/
public void verifyExceptionSegments(SegmentedTimeline timeline,
String[] exceptionString,
Format fmt)
throws ParseException {
// fill in the exceptions
long[] exception = verifyFillInExceptions(timeline, exceptionString,
fmt);
int m = exception.length;
// verify list of exceptions
assertEquals(exception.length, timeline.getExceptionSegments().size());
SegmentedTimeline.Segment lastSegment = timeline.getSegment(
exception[m - 1]);
for (int i = 0; i < m; i++) {
SegmentedTimeline.Segment segment = timeline.getSegment(
exception[i]);
assertTrue(segment.inExceptionSegments());
// include current exception and last one
assertEquals(m - i, timeline.getExceptionSegmentCount(
segment.getSegmentStart(), lastSegment.getSegmentEnd()));
// exclude current exception and last one
assertEquals(Math.max(0, m - i - 2),
timeline.getExceptionSegmentCount(exception[i] + 1,
exception[m - 1] - 1));
}
}
//////////////////////////////////////////////////////////////////////////
// test timeline translations
//////////////////////////////////////////////////////////////////////////
/**
* Tests translations for 1-ms timeline
*
* @throws ParseException if there is a parsing error.
*/
public void testMsTranslations() throws ParseException {
verifyFillInExceptions(this.msTimeline, MS_EXCEPTIONS, NUMBER_FORMAT);
verifyTranslations(this.msTimeline, 0);
}
/**
* Tests translations for the base timeline used for the ms2Timeline
*
* @throws ParseException if there is a parsing error.
*/
public void testMs2BaseTimelineTranslations() throws ParseException {
verifyFillInExceptions(this.ms2BaseTimeline,
MS2_BASE_TIMELINE_EXCEPTIONS, NUMBER_FORMAT);
verifyTranslations(this.ms2BaseTimeline, 0);
}
/**
* Tests translations for the Monday through Friday timeline
*
* @throws ParseException if there is a parsing error.
*/
public void testMs2Translations() throws ParseException {
fillInBaseTimelineExceptions(this.ms2Timeline,
MS2_BASE_TIMELINE_EXCEPTIONS, NUMBER_FORMAT);
fillInBaseTimelineExclusionsAsExceptions(this.ms2Timeline, 0, 5000);
verifyTranslations(this.ms2Timeline, 1);
}
/**
* Tests translations for the Monday through Friday timeline
*
* @throws ParseException if there is a parsing error.
*/
public void textMondayThroughFridayTranslations() throws ParseException {
verifyFillInExceptions(this.mondayFridayTimeline, US_HOLIDAYS,
DATE_FORMAT);
verifyTranslations(this.mondayFridayTimeline,
this.monday.getTime().getTime());
}
/**
* Tests translations for the Fifteen Min timeline
*
* @throws ParseException if there is a parsing error.
*/
public void testFifteenMinTranslations() throws ParseException {
verifyFillInExceptions(this.fifteenMinTimeline,
FIFTEEN_MIN_EXCEPTIONS, DATE_TIME_FORMAT);
fillInBaseTimelineExceptions(this.fifteenMinTimeline,
US_HOLIDAYS, DATE_FORMAT);
fillInBaseTimelineExclusionsAsExceptions(this.fifteenMinTimeline,
this.monday9am.getTime().getTime(),
this.monday9am.getTime().getTime() + FIVE_YEARS);
verifyTranslations(this.fifteenMinTimeline,
this.monday9am.getTime().getTime());
}
/**
* Tests translations between timelines.
*
* @param timeline the timeline to use for verifications.
* @param startTest ??.
*/
public void verifyTranslations(SegmentedTimeline timeline, long startTest) {
for (long testCycle = TEST_CYCLE_START; testCycle < TEST_CYCLE_END;
testCycle += TEST_CYCLE_INC) {
long millisecond = startTest + testCycle
* timeline.getSegmentSize();
SegmentedTimeline.Segment segment = timeline.getSegment(
millisecond);
for (int i = 0; i < 1000; i++) {
long translatedValue = timeline.toTimelineValue(
segment.getMillisecond());
long newValue = timeline.toMillisecond(translatedValue);
if (segment.inExcludeSegments()
|| segment.inExceptionSegments()) {
// the reverse transformed value will be in the start of the
// next non-excluded and non-exception segment
SegmentedTimeline.Segment tempSegment = segment.copy();
tempSegment.moveIndexToStart();
do {
tempSegment.inc();
}
while (!tempSegment.inIncludeSegments());
assertEquals(tempSegment.getMillisecond(), newValue);
}
else {
assertEquals(segment.getMillisecond(), newValue);
}
segment.inc();
}
}
}
//////////////////////////////////////////////////////////////////////////
// test serialization
//////////////////////////////////////////////////////////////////////////
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
verifySerialization(this.msTimeline);
verifySerialization(this.ms2Timeline);
verifySerialization(this.ms2BaseTimeline);
verifySerialization(SegmentedTimeline.newMondayThroughFridayTimeline());
verifySerialization(SegmentedTimeline.newFifteenMinuteTimeline());
}
/**
* Tests serialization of an instance.
* @param a1 The timeline to verify the serialization
*/
private void verifySerialization(SegmentedTimeline a1) {
SegmentedTimeline a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
a2 = (SegmentedTimeline) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(a1, a2);
}
/**
* Adds an array of exceptions to the timeline. The timeline exception list
* is first cleared.
* @param timeline The timeline where the exceptions will be stored
* @param exceptionString The exceptions to load
* @param fmt The date formatter to use to parse each exceptions[i] value
* @throws ParseException If there is any exception parsing each
* exceptions[i] value.
* @return An array of Dates[] containing each exception date.
*/
private long[] verifyFillInExceptions(SegmentedTimeline timeline,
String[] exceptionString,
Format fmt) throws ParseException {
// make sure there are no exceptions
timeline.setExceptionSegments(new java.util.ArrayList());
assertEquals(0, timeline.getExceptionSegments().size());
// add our exceptions and store locally in ArrayList of Longs
ArrayList exceptionList = new ArrayList();
for (int i = 0; i < exceptionString.length; i++) {
long e;
if (fmt instanceof NumberFormat) {
e = ((NumberFormat) fmt).parse(exceptionString[i]).longValue();
}
else {
e = timeline.getTime(((SimpleDateFormat) fmt)
.parse(exceptionString[i]));
}
// only add an exception if it is currently an included segment
SegmentedTimeline.Segment segment = timeline.getSegment(e);
if (segment.inIncludeSegments()) {
timeline.addException(e);
exceptionList.add(new Long(e));
assertEquals(exceptionList.size(),
timeline.getExceptionSegments().size());
assertTrue(segment.inExceptionSegments());
}
}
// make array of exceptions
long[] exception = new long[exceptionList.size()];
int i = 0;
for (Iterator iter = exceptionList.iterator(); iter.hasNext();) {
Long l = (Long) iter.next();
exception[i++] = l.longValue();
}
return (exception);
}
/**
* Adds an array of exceptions relative to the base timeline.
*
* @param timeline The timeline where the exceptions will be stored
* @param exceptionString The exceptions to load
* @param fmt The date formatter to use to parse each exceptions[i] value
* @throws ParseException If there is any exception parsing each
* exceptions[i] value.
*/
private void fillInBaseTimelineExceptions(SegmentedTimeline timeline,
String[] exceptionString,
Format fmt) throws ParseException {
SegmentedTimeline baseTimeline = timeline.getBaseTimeline();
for (int i = 0; i < exceptionString.length; i++) {
long e;
if (fmt instanceof NumberFormat) {
e = ((NumberFormat) fmt).parse(exceptionString[i]).longValue();
}
else {
e = timeline.getTime(((SimpleDateFormat) fmt)
.parse(exceptionString[i]));
}
timeline.addBaseTimelineException(e);
// verify all timeline segments included in the
// baseTimeline.segment are now exceptions
SegmentedTimeline.Segment segment1 = baseTimeline.getSegment(e);
for (SegmentedTimeline.Segment segment2
= timeline.getSegment(segment1.getSegmentStart());
segment2.getSegmentStart() <= segment1.getSegmentEnd();
segment2.inc()) {
if (!segment2.inExcludeSegments()) {
assertTrue(segment2.inExceptionSegments());
}
}
}
}
/**
* Adds new exceptions to a timeline. The exceptions are the excluded
* segments from its base timeline.
*
* @param timeline the timeline.
* @param from the start.
* @param to the end.
*/
private void fillInBaseTimelineExclusionsAsExceptions(
SegmentedTimeline timeline, long from, long to) {
// add the base timeline exclusions as timeline's esceptions
timeline.addBaseTimelineExclusions(from, to);
// validate base timeline exclusions added as timeline's esceptions
for (SegmentedTimeline.Segment segment1 = timeline.getBaseTimeline()
.getSegment(from);
segment1.getSegmentStart() <= to;
segment1.inc()) {
if (segment1.inExcludeSegments()) {
// verify all timeline segments included in the
// baseTimeline.segment are now exceptions
for (SegmentedTimeline.Segment segment2 = timeline.getSegment(
segment1.getSegmentStart());
segment2.getSegmentStart() <= segment1.getSegmentEnd();
segment2.inc()) {
if (!segment2.inExcludeSegments()) {
assertTrue(segment2.inExceptionSegments());
}
}
}
}
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
SegmentedTimeline l2 = null;
try {
l2 = (SegmentedTimeline) l1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(l1 != l2);
assertTrue(l1.getClass() == l2.getClass());
assertTrue(l1.equals(l2));
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
SegmentedTimeline l2 = new SegmentedTimeline(1000, 5, 2);
assertTrue(l1.equals(l2));
l1 = new SegmentedTimeline(1000, 5, 2);
l2 = new SegmentedTimeline(1001, 5, 2);
assertFalse(l1.equals(l2));
l1 = new SegmentedTimeline(1000, 5, 2);
l2 = new SegmentedTimeline(1000, 4, 2);
assertFalse(l1.equals(l2));
l1 = new SegmentedTimeline(1000, 5, 2);
l2 = new SegmentedTimeline(1000, 5, 1);
assertFalse(l1.equals(l2));
l1 = new SegmentedTimeline(1000, 5, 2);
l2 = new SegmentedTimeline(1000, 5, 2);
// start time...
l1.setStartTime(1234L);
assertFalse(l1.equals(l2));
l2.setStartTime(1234L);
assertTrue(l1.equals(l2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
SegmentedTimeline l2 = new SegmentedTimeline(1000, 5, 2);
assertTrue(l1.equals(l2));
int h1 = l1.hashCode();
int h2 = l2.hashCode();
assertEquals(h1, h2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization2() {
SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
SegmentedTimeline l2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(l1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
l2 = (SegmentedTimeline) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
boolean b = l1.equals(l2);
assertTrue(b);
}
//////////////////////////////////////////////////////////////////////////
// utility methods
//////////////////////////////////////////////////////////////////////////
/**
* Tests a basic segmented timeline.
*/
public void testBasicSegmentedTimeline() {
SegmentedTimeline stl = new SegmentedTimeline(10, 2, 3);
stl.setStartTime(946684800000L); // 1-Jan-2000
assertFalse(stl.containsDomainValue(946684799999L));
assertTrue(stl.containsDomainValue(946684800000L));
assertTrue(stl.containsDomainValue(946684800019L));
assertFalse(stl.containsDomainValue(946684800020L));
assertFalse(stl.containsDomainValue(946684800049L));
assertTrue(stl.containsDomainValue(946684800050L));
assertTrue(stl.containsDomainValue(946684800069L));
assertFalse(stl.containsDomainValue(946684800070L));
assertFalse(stl.containsDomainValue(946684800099L));
assertTrue(stl.containsDomainValue(946684800100L));
assertEquals(0, stl.toTimelineValue(946684800000L));
assertEquals(19, stl.toTimelineValue(946684800019L));
assertEquals(20, stl.toTimelineValue(946684800020L));
assertEquals(20, stl.toTimelineValue(946684800049L));
assertEquals(20, stl.toTimelineValue(946684800050L));
assertEquals(39, stl.toTimelineValue(946684800069L));
assertEquals(40, stl.toTimelineValue(946684800070L));
assertEquals(40, stl.toTimelineValue(946684800099L));
assertEquals(40, stl.toTimelineValue(946684800100L));
assertEquals(946684800000L, stl.toMillisecond(0));
assertEquals(946684800019L, stl.toMillisecond(19));
assertEquals(946684800050L, stl.toMillisecond(20));
assertEquals(946684800069L, stl.toMillisecond(39));
assertEquals(946684800100L, stl.toMillisecond(40));
}
/**
* Tests a basic time line with one exception.
*/
public void testSegmentedTimelineWithException1() {
SegmentedTimeline stl = new SegmentedTimeline(10, 2, 3);
stl.setStartTime(946684800000L); // 1-Jan-2000
stl.addException(946684800050L);
assertFalse(stl.containsDomainValue(946684799999L));
assertTrue(stl.containsDomainValue(946684800000L));
assertTrue(stl.containsDomainValue(946684800019L));
assertFalse(stl.containsDomainValue(946684800020L));
assertFalse(stl.containsDomainValue(946684800049L));
assertFalse(stl.containsDomainValue(946684800050L));
assertFalse(stl.containsDomainValue(946684800059L));
assertTrue(stl.containsDomainValue(946684800060L));
assertTrue(stl.containsDomainValue(946684800069L));
assertFalse(stl.containsDomainValue(946684800070L));
assertFalse(stl.containsDomainValue(946684800099L));
assertTrue(stl.containsDomainValue(946684800100L));
//long v = stl.toTimelineValue(946684800020L);
assertEquals(0, stl.toTimelineValue(946684800000L));
assertEquals(19, stl.toTimelineValue(946684800019L));
assertEquals(20, stl.toTimelineValue(946684800020L));
assertEquals(20, stl.toTimelineValue(946684800049L));
assertEquals(20, stl.toTimelineValue(946684800050L));
assertEquals(29, stl.toTimelineValue(946684800069L));
assertEquals(30, stl.toTimelineValue(946684800070L));
assertEquals(30, stl.toTimelineValue(946684800099L));
assertEquals(30, stl.toTimelineValue(946684800100L));
assertEquals(946684800000L, stl.toMillisecond(0));
assertEquals(946684800019L, stl.toMillisecond(19));
assertEquals(946684800060L, stl.toMillisecond(20));
assertEquals(946684800069L, stl.toMillisecond(29));
assertEquals(946684800100L, stl.toMillisecond(30));
}
//////////////////////////////////////////////////////////////////////////
// main method only for debug
//////////////////////////////////////////////////////////////////////////
/**
* Only use to debug JUnit suite.
*
* @param args ignored.
*
* @throws Exception if there is some problem.
*/
public static void main(String[] args) throws Exception {
SegmentedTimelineTests test = new SegmentedTimelineTests("Test");
test.setUp();
test.testMondayThoughFridayExceptionSegments();
test.tearDown();
}
}
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