ICU-5888 added test of roundtrip failures
X-SVN-Rev: 22557
This commit is contained in:
Mark Davis
parent
d2eca4bd63
commit
70f1c626eb
195
icu4j/src/com/ibm/icu/dev/test/format/TimeZoneFormatTest.java
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195
icu4j/src/com/ibm/icu/dev/test/format/TimeZoneFormatTest.java
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//##header J2SE15
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/*
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*******************************************************************************
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* Copyright (C) 2007, Google and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*/
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package com.ibm.icu.dev.test.format;
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import com.ibm.icu.text.SimpleDateFormat;
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import com.ibm.icu.util.Calendar;
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import com.ibm.icu.util.SimpleTimeZone;
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import com.ibm.icu.util.TimeZone;
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import com.ibm.icu.util.ULocale;
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import java.io.PrintWriter;
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import java.text.ParsePosition;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.TreeSet;
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public class TimeZoneFormatTest extends com.ibm.icu.dev.test.TestFmwk {
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public static void main(String[] args) throws Exception {
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new TimeZoneFormatTest().run(args);
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}
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public void TestTimeZones() {
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int testCount = 0;
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// test all combinations of the following
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String[] testLocales = { "en", "fr", "zh" };
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// pick one winter time, one summer time
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Date[] testDates = { new Date(107, 1, 15), new Date(107, 6, 15) };
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String[] zoneFormats = { "z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV" };
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Set mustRoundTrip = new HashSet(Arrays.asList(new String[] { "v", "vvvv", "VVVV" }));
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String[] zones = TimeZone.getAvailableIDs();
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// common objects
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ParsePosition inoutPosition = new ParsePosition(0);
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TimeZone unknownZone = new SimpleTimeZone(-31415, "Etc/Unknown");
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Calendar outputCalendar = Calendar.getInstance();
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ZoneStatus status = new ZoneStatus();
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// set up equivalents
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// could be optimized, but not worth the effort
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Map equivalentZones = new HashMap();
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for (int zoneIndex = 0; zoneIndex < zones.length; ++zoneIndex) {
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String zone = zones[zoneIndex];
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Set equivalents = new HashSet();
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equivalents.add(zone);
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for (int i = 0; i < TimeZone.countEquivalentIDs(zone); ++i) {
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equivalents.add(TimeZone.getEquivalentID(zone, i));
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}
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equivalentZones.put(zone, equivalents);
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}
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for (int testLocaleIndex = 0; testLocaleIndex < testLocales.length; ++testLocaleIndex) {
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ULocale locale = new ULocale(testLocales[testLocaleIndex]);
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// prepare the zoneFormats for the locale
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List zoneFormatList = new ArrayList();
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for (String zoneFormat : zoneFormats) {
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat(zoneFormat, locale);
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try {
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// check once just to make sure the syntax is supported
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simpleDateFormat.format(testDates[0]);
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} catch (RuntimeException e) {
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errln("Unable to parse format: " + zoneFormat + "; " + e.getClass().getName() + ", " + e.getMessage());
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bumpCount(status.formatFailures, zoneFormat, zones.length * testDates.length);
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continue;
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}
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zoneFormatList.add(simpleDateFormat);
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}
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// loop over zones, formats, and test dates
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for (int zoneIndex = 0; zoneIndex < zones.length; ++zoneIndex) {
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TimeZone timezone = TimeZone.getTimeZone(zones[zoneIndex]);
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Set equivalents = (Set) equivalentZones.get(zones[zoneIndex]);
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for (Iterator formatIterator = zoneFormatList.iterator(); formatIterator.hasNext();) {
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SimpleDateFormat format = (SimpleDateFormat) formatIterator.next();
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format.setTimeZone(timezone);
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for (int dateIndex = 0; dateIndex < testDates.length; ++dateIndex) {
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++testCount;
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Date date = testDates[dateIndex];
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String formattedString = format.format(date);
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inoutPosition.setIndex(0);
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outputCalendar.setTimeZone(unknownZone);
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int badDstOffset = -123;
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int badZoneOffset = -2345;
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outputCalendar.set(Calendar.DST_OFFSET, badDstOffset);
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outputCalendar.set(Calendar.ZONE_OFFSET, badZoneOffset);
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format.parse(formattedString, outputCalendar, inoutPosition);
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// // now check for errors
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// if (pos.getIndex() != formatted.length()) {
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// // we failed to parse everything
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// errln(status.getPrefix(locale, timezone, format, formatted)
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// + ", but can't parse it at all!");
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// continue; // don't bother with other tests
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// }
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// we must not get "Etc/Unknown" -- that would mean
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// that we didn't really get the timezone, and the old value was left
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TimeZone parsedZone = outputCalendar.getTimeZone();
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// parsedZone.getID().equals(unknownZone.getID())
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if (outputCalendar.get(Calendar.DST_OFFSET) == badDstOffset
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|| outputCalendar.get(Calendar.ZONE_OFFSET) == badZoneOffset) {
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errln(status.getPrefix(locale, timezone, format, formattedString)
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+ ", but when parsed, the zone isn't retrieved.");
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continue; // don't bother with other tests
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}
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if (mustRoundTrip.contains(format.toPattern())) {
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// also make sure that we roundtrip when we must
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if (parsedZone.getID().equals(unknownZone.getID())) {
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errln(status.getPrefix(locale, timezone, format, formattedString)
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+ ", but when parsed, got no zone.");
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continue; // don't bother with other tests
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}
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if (!equivalents.contains(parsedZone.getID())) {
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// also make sure that we roundtrip when we must
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errln(status.getPrefix(locale, timezone, format, formattedString)
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+ ", but when parsed, a non-equivalent zone is retrieved: "
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+ parsedZone.getID()
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+ "; equivalents are: " + equivalents);
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continue; // don't bother with other tests
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}
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}
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status.succeed(locale, timezone, format);
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}
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}
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}
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}
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logln("total tests: " + testCount);
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status.log(getLogPrintWriter());
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}
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static class ZoneStatus {
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Map localeFailures = new TreeMap();
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Map formatFailures = new TreeMap();
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Map zoneFailures = new TreeMap();
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Map localeOk = new TreeMap();
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Map formatOk = new TreeMap();
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Map zoneOk = new TreeMap();
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private String getPrefix(ULocale locale, TimeZone timezone,
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SimpleDateFormat format, String formatted) {
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bumpCount(localeFailures, locale.toString(), 1);
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bumpCount(formatFailures, format.toPattern(), 1);
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bumpCount(zoneFailures, timezone.getID(), 1);
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return locale + ": Created \"" + formatted + "\" with \"" + format.toPattern()
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+ "\" and " + timezone.getID();
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}
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void succeed(ULocale locale, TimeZone timezone, SimpleDateFormat format) {
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bumpCount(localeOk, locale.toString(), 1);
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bumpCount(formatOk, format.toPattern(), 1);
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bumpCount(zoneOk, timezone.getID(), 1);
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}
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void log(PrintWriter out) {
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writeCounts(out, "Locales", localeFailures, localeOk);
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writeCounts(out, "Formats", formatFailures, formatOk);
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writeCounts(out, "Zones", zoneFailures, zoneOk);
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}
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private void writeCounts(PrintWriter out, String title, Map fail, Map ok) {
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out.println("Succeed/Fail for types: " + title);
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Set all = new TreeSet();
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all.addAll(fail.keySet());
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all.addAll(ok.keySet());
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for (Iterator it = all.iterator(); it.hasNext();) {
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Object key = it.next();
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Object failCount = fail.get(key);
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Object okCount = ok.get(key);
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out.println("\t" + key + ":\tok:\t" + (okCount == null ? "0" : okCount) + "\tfail: " + (failCount == null ? "0" : failCount) );
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}
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}
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}
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static void bumpCount(Map map, Object key, int delta) {
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Integer count = (Integer) map.get(key);
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map.put(key, new Integer(count == null ? delta : count.intValue() + delta));
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}
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}
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