下面列出了怎么用java.util.Locale.LanguageRange的API类实例代码及写法,或者点击链接到github查看源代码。
private static void test_filterTags() {
boolean error = false;
String ranges = "gti;q=0.2, gfx, kzj";
String tags = "de-DE, gti, he, nyc, mwj, vaj, ktr, dtp";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTags
= showLanguageTags(Locale.filterTags(priorityList, tagList));
String expectedTags = "mwj, vaj, ktr, dtp, gti, nyc";
if (!expectedTags.equals(actualTags)) {
error = true;
showErrorMessage("filterTags()",
ranges, tags, expectedTags, actualTags);
}
if (error) {
err = true;
System.out.println(" test_filterTags() failed.");
} else {
System.out.println(" test_filterTags() passed.");
}
}
private static void test_lookup() {
boolean error = false;
String ranges = "en;q=0.2, yam, rmx;q=0.9";
String tags = "de-DE, en, kwq, lmm";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocale
= Locale.lookup(priorityList, localeList).toLanguageTag();
String expectedLocale = "kwq";
if (!expectedLocale.equals(actualLocale)) {
error = true;
showErrorMessage("lookup()", ranges, tags, expectedLocale, actualLocale);
}
if (error) {
err = true;
System.out.println(" test_lookup() failed.");
} else {
System.out.println(" test_lookup() passed.");
}
}
private static void test_lookupTag() {
boolean error = false;
String ranges = "en, tsf;q=0.2";
String tags = "es, ja-JP, taj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTag = Locale.lookupTag(priorityList, tagList);
String expectedTag = "taj";
if (!expectedTag.equals(actualTag)) {
error = true;
showErrorMessage("lookupTag()", ranges, tags, expectedTag, actualTag);
}
if (error) {
err = true;
System.out.println(" test_lookupTag() failed.");
} else {
System.out.println(" test_lookupTag() passed.");
}
}
private static void test_filterTags() {
boolean error = false;
String ranges = "gti;q=0.2, gfx, kzj";
String tags = "de-DE, gti, he, nyc, mwj, vaj, ktr, dtp";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTags
= showLanguageTags(Locale.filterTags(priorityList, tagList));
String expectedTags = "mwj, vaj, ktr, dtp, gti, nyc";
if (!expectedTags.equals(actualTags)) {
error = true;
showErrorMessage("filterTags()",
ranges, tags, expectedTags, actualTags);
}
if (error) {
err = true;
System.out.println(" test_filterTags() failed.");
} else {
System.out.println(" test_filterTags() passed.");
}
}
private static void test_lookup() {
boolean error = false;
String ranges = "en;q=0.2, yam, rmx;q=0.9";
String tags = "de-DE, en, kwq, lmm";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocale
= Locale.lookup(priorityList, localeList).toLanguageTag();
String expectedLocale = "kwq";
if (!expectedLocale.equals(actualLocale)) {
error = true;
showErrorMessage("lookup()", ranges, tags, expectedLocale, actualLocale);
}
if (error) {
err = true;
System.out.println(" test_lookup() failed.");
} else {
System.out.println(" test_lookup() passed.");
}
}
private static void test_lookupTag() {
boolean error = false;
String ranges = "en, tsf;q=0.2";
String tags = "es, ja-JP, taj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTag = Locale.lookupTag(priorityList, tagList);
String expectedTag = "taj";
if (!expectedTag.equals(actualTag)) {
error = true;
showErrorMessage("lookupTag()", ranges, tags, expectedTag, actualTag);
}
if (error) {
err = true;
System.out.println(" test_lookupTag() failed.");
} else {
System.out.println(" test_lookupTag() passed.");
}
}
private static void test_filterTags() {
boolean error = false;
String ranges = "gti;q=0.2, gfx, kzj";
String tags = "de-DE, gti, he, nyc, mwj, vaj, ktr, dtp";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTags
= showLanguageTags(Locale.filterTags(priorityList, tagList));
String expectedTags = "mwj, vaj, ktr, dtp, gti, nyc";
if (!expectedTags.equals(actualTags)) {
error = true;
showErrorMessage("filterTags()",
ranges, tags, expectedTags, actualTags);
}
if (error) {
err = true;
System.out.println(" test_filterTags() failed.");
} else {
System.out.println(" test_filterTags() passed.");
}
}
private static void test_lookup() {
boolean error = false;
String ranges = "en;q=0.2, yam, rmx;q=0.9";
String tags = "de-DE, en, kwq, lmm";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocale
= Locale.lookup(priorityList, localeList).toLanguageTag();
String expectedLocale = "kwq";
if (!expectedLocale.equals(actualLocale)) {
error = true;
showErrorMessage("lookup()", ranges, tags, expectedLocale, actualLocale);
}
if (error) {
err = true;
System.out.println(" test_lookup() failed.");
} else {
System.out.println(" test_lookup() passed.");
}
}
private static void test_lookupTag() {
boolean error = false;
String ranges = "en, tsf;q=0.2";
String tags = "es, ja-JP, taj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTag = Locale.lookupTag(priorityList, tagList);
String expectedTag = "taj";
if (!expectedTag.equals(actualTag)) {
error = true;
showErrorMessage("lookupTag()", ranges, tags, expectedTag, actualTag);
}
if (error) {
err = true;
System.out.println(" test_lookupTag() failed.");
} else {
System.out.println(" test_lookupTag() passed.");
}
}
private static void testMapEquivalents() {
String ranges = "HI-IN";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
HashMap<String, List<String>> map = new LinkedHashMap<>();
List<String> equivalentList = new ArrayList<>();
equivalentList.add("HI");
equivalentList.add("HI-Deva");
map.put("HI", equivalentList);
List<LanguageRange> expected = new ArrayList<>();
expected.add(new LanguageRange("hi-in"));
expected.add(new LanguageRange("hi-deva-in"));
List<LanguageRange> got
= LanguageRange.mapEquivalents(priorityList, map);
if (!areEqual(expected, got)) {
System.err.println("testMapEquivalents() failed");
err = true;
}
}
private static boolean areEqual(List<LanguageRange> expected,
List<LanguageRange> got) {
boolean error = false;
if (expected.equals(got)) {
return !error;
}
List<LanguageRange> cloneExpected = new ArrayList<>(expected);
cloneExpected.removeAll(got);
if (!cloneExpected.isEmpty()) {
error = true;
System.err.println("Found missing range(s): " + cloneExpected);
}
// not creating the 'got' clone as the list will not be used after this
got.removeAll(expected);
if (!got.isEmpty()) {
error = true;
System.err.println("Found extra range(s): " + got);
}
return !error;
}
private static void test_filterTags() {
boolean error = false;
String ranges = "gti;q=0.2, gfx";
String tags = "de-DE, gti, he, nyc, mwj, vaj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTags
= showLanguageTags(Locale.filterTags(priorityList, tagList));
String expectedTags = "mwj, vaj, gti, nyc";
if (!expectedTags.equals(actualTags)) {
error = true;
showErrorMessage("filterTags()",
ranges, tags, expectedTags, actualTags);
}
if (error) {
err = true;
System.out.println(" test_filterTags() failed.");
} else {
System.out.println(" test_filterTags() passed.");
}
}
private static void test_lookup() {
boolean error = false;
String ranges = "en;q=0.2, yam, rmx;q=0.9";
String tags = "de-DE, en, kwq, lmm";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocale
= Locale.lookup(priorityList, localeList).toLanguageTag();
String expectedLocale = "kwq";
if (!expectedLocale.equals(actualLocale)) {
error = true;
showErrorMessage("lookup()", ranges, tags, expectedLocale, actualLocale);
}
if (error) {
err = true;
System.out.println(" test_lookup() failed.");
} else {
System.out.println(" test_lookup() passed.");
}
}
private static void test_lookupTag() {
boolean error = false;
String ranges = "en, tsf;q=0.2";
String tags = "es, ja-JP, taj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTag = Locale.lookupTag(priorityList, tagList);
String expectedTag = "taj";
if (!expectedTag.equals(actualTag)) {
error = true;
showErrorMessage("lookupTag()", ranges, tags, expectedTag, actualTag);
}
if (error) {
err = true;
System.out.println(" test_lookupTag() failed.");
} else {
System.out.println(" test_lookupTag() passed.");
}
}
private static void test_filterTags() {
boolean error = false;
String ranges = "gti;q=0.2, gfx, kzj";
String tags = "de-DE, gti, he, nyc, mwj, vaj, ktr, dtp";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTags
= showLanguageTags(Locale.filterTags(priorityList, tagList));
String expectedTags = "mwj, vaj, ktr, dtp, gti, nyc";
if (!expectedTags.equals(actualTags)) {
error = true;
showErrorMessage("filterTags()",
ranges, tags, expectedTags, actualTags);
}
if (error) {
err = true;
System.out.println(" test_filterTags() failed.");
} else {
System.out.println(" test_filterTags() passed.");
}
}
private static void test_lookup() {
boolean error = false;
String ranges = "en;q=0.2, yam, rmx;q=0.9";
String tags = "de-DE, en, kwq, lmm";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
String actualLocale
= Locale.lookup(priorityList, localeList).toLanguageTag();
String expectedLocale = "kwq";
if (!expectedLocale.equals(actualLocale)) {
error = true;
showErrorMessage("lookup()", ranges, tags, expectedLocale, actualLocale);
}
if (error) {
err = true;
System.out.println(" test_lookup() failed.");
} else {
System.out.println(" test_lookup() passed.");
}
}
private static void test_lookupTag() {
boolean error = false;
String ranges = "en, tsf;q=0.2";
String tags = "es, ja-JP, taj";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<String> tagList = generateLanguageTags(tags);
String actualTag = Locale.lookupTag(priorityList, tagList);
String expectedTag = "taj";
if (!expectedTag.equals(actualTag)) {
error = true;
showErrorMessage("lookupTag()", ranges, tags, expectedTag, actualTag);
}
if (error) {
err = true;
System.out.println(" test_lookupTag() failed.");
} else {
System.out.println(" test_lookupTag() passed.");
}
}
@Override
public Locale resolve(LocaleResolverContext context) {
Optional<List<LanguageRange>> localePriorities = getAcceptableLanguages();
if (!localePriorities.isPresent()) {
return context.getDefaultLocale();
}
List<Locale> resolvedLocales = Locale.filter(localePriorities.get(), context.getSupportedLocales());
if (resolvedLocales.size() > 0) {
return resolvedLocales.get(0);
}
return context.getDefaultLocale();
}
private Optional<List<LanguageRange>> getAcceptableLanguages() {
HttpHeaders httpHeaders = ResteasyContext.getContextData(HttpHeaders.class);
if (httpHeaders != null) {
List<String> acceptLanguageList = httpHeaders.getRequestHeader("Accept-Language");
if (acceptLanguageList != null && !acceptLanguageList.isEmpty()) {
return Optional.of(LanguageRange.parse(acceptLanguageList.get(0)));
}
}
return Optional.empty();
}
private static void testParse() {
String ranges = "HI-Deva, ja-hIrA-JP, RKI";
try {
LanguageRange.parse(ranges);
} catch (Exception ex) {
System.err.println("[testParse() failed on range string: "
+ ranges + "] due to "+ex);
err = true;
}
}
private static void testFilter(FilteringMode mode) {
String ranges = "hi-IN, itc-Ital";
String tags = "hi-IN, itc-Ital";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> tagList = generateLocales(tags);
String actualLocales = showLocales(Locale.filter(priorityList, tagList, mode));
String expectedLocales = "hi-IN, itc-Ital";
if (!expectedLocales.equals(actualLocales)) {
System.err.println("testFilter(" + mode + ") failed on language ranges:"
+ " [" + ranges + "] and language tags: [" + tags + "]");
err = true;
}
}
private static void testLookup() {
boolean error = false;
String ranges = "hi-IN, itc-Ital";
String tags = "hi-IN, itc-Ital";
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> localeList = generateLocales(tags);
Locale actualLocale
= Locale.lookup(priorityList, localeList);
String actualLocaleString = "";
if (actualLocale != null) {
actualLocaleString = actualLocale.toLanguageTag();
} else {
error = true;
}
String expectedLocale = "hi-IN";
if (!expectedLocale.equals(actualLocaleString)) {
error = true;
}
if (error) {
System.err.println("testLookup() failed on language ranges:"
+ " [" + ranges + "] and language tags: [" + tags + "]");
err = true;
}
}
public static void main(String[] args) {
LanguageRange lr1 = new LanguageRange("ja", 1.0);
LanguageRange lr2 = new LanguageRange("fr", 0.0);
if (!lr1.toString().equals("ja") ||
!lr2.toString().equals("fr;q=0.0")) {
throw new RuntimeException("LanguageRange.toString() returned an unexpected result.");
}
}
public static List<String> getAcceptedLocaleNameOrderedByPriority(String acceptLanguageHeader) {
if(acceptLanguageHeader == null) {
return Collections.emptyList();
}
return LanguageRange.parse(acceptLanguageHeader)
.stream()
.map(l -> Locale.forLanguageTag(l.getRange()).getLanguage())
.distinct()
.collect(Collectors.toList());
}
public static List<String> getAcceptedLocaleNameOrderedByPriority(String acceptLanguageHeader) {
if(acceptLanguageHeader == null) {
return Collections.emptyList();
}
return LanguageRange.parse(acceptLanguageHeader)
.stream()
.map(l -> Locale.forLanguageTag(l.getRange()).getLanguage())
.distinct()
.collect(Collectors.toList());
}
@Override
public Locale resolve(RoutingContext context, List<Locale> availableLocales) {
String accept = context.request().getHeader(ACCEPT_LANGUAGE.toString());
if (accept == null) {
return null;
}
List<LanguageRange> ranges = LanguageRange.parse(accept);
if (ranges.isEmpty()) {
return null;
}
return Locale.lookup(ranges, availableLocales);
}
@Override
public GatewayFilter apply(Config config) {
return (exchange, chain) -> {
return client.get()
.uri(config.getLanguageServiceEndpoint())
.exchange()
.flatMap(response -> {
return (response.statusCode()
.is2xxSuccessful()) ? response.bodyToMono(String.class) : Mono.just(config.getDefaultLanguage());
})
.map(LanguageRange::parse)
.map(range -> {
exchange.getRequest()
.mutate()
.headers(h -> h.setAcceptLanguage(range));
String allOutgoingRequestLanguages = exchange.getRequest()
.getHeaders()
.getAcceptLanguage()
.stream()
.map(r -> r.getRange())
.collect(Collectors.joining(","));
logger.info("Chain Request output - Request contains Accept-Language header: " + allOutgoingRequestLanguages);
return exchange;
})
.flatMap(chain::filter);
};
}
private static void test_parse() {
boolean error = false;
String str = "Accept-Language: aam, adp, aue, bcg, cqu, ema,"
+ " en-gb-oed, gti, kdz, koj, kwq, kxe, lii, lmm, mtm, ngv,"
+ " oyb, phr, pub, suj, taj;q=0.9, ar-hyw;q=0.8, yug;q=0.5, gfx;q=0.4";
ArrayList<LanguageRange> expected = new ArrayList<>();
expected.add(new LanguageRange("aam", 1.0));
expected.add(new LanguageRange("aas", 1.0));
expected.add(new LanguageRange("adp", 1.0));
expected.add(new LanguageRange("dz", 1.0));
expected.add(new LanguageRange("aue", 1.0));
expected.add(new LanguageRange("ktz", 1.0));
expected.add(new LanguageRange("bcg", 1.0));
expected.add(new LanguageRange("bgm", 1.0));
expected.add(new LanguageRange("cqu", 1.0));
expected.add(new LanguageRange("quh", 1.0));
expected.add(new LanguageRange("ema", 1.0));
expected.add(new LanguageRange("uok", 1.0));
expected.add(new LanguageRange("en-gb-oed", 1.0));
expected.add(new LanguageRange("en-gb-oxendict", 1.0));
expected.add(new LanguageRange("gti", 1.0));
expected.add(new LanguageRange("nyc", 1.0));
expected.add(new LanguageRange("kdz", 1.0));
expected.add(new LanguageRange("ncp", 1.0));
expected.add(new LanguageRange("koj", 1.0));
expected.add(new LanguageRange("kwv", 1.0));
expected.add(new LanguageRange("kwq", 1.0));
expected.add(new LanguageRange("yam", 1.0));
expected.add(new LanguageRange("kxe", 1.0));
expected.add(new LanguageRange("tvd", 1.0));
expected.add(new LanguageRange("lii", 1.0));
expected.add(new LanguageRange("raq", 1.0));
expected.add(new LanguageRange("lmm", 1.0));
expected.add(new LanguageRange("rmx", 1.0));
expected.add(new LanguageRange("mtm", 1.0));
expected.add(new LanguageRange("ymt", 1.0));
expected.add(new LanguageRange("ngv", 1.0));
expected.add(new LanguageRange("nnx", 1.0));
expected.add(new LanguageRange("oyb", 1.0));
expected.add(new LanguageRange("thx", 1.0));
expected.add(new LanguageRange("skk", 1.0));
expected.add(new LanguageRange("jeg", 1.0));
expected.add(new LanguageRange("phr", 1.0));
expected.add(new LanguageRange("pmu", 1.0));
expected.add(new LanguageRange("pub", 1.0));
expected.add(new LanguageRange("puz", 1.0));
expected.add(new LanguageRange("suj", 1.0));
expected.add(new LanguageRange("xsj", 1.0));
expected.add(new LanguageRange("taj", 0.9));
expected.add(new LanguageRange("tsf", 0.9));
expected.add(new LanguageRange("ar-hyw", 0.8));
expected.add(new LanguageRange("yug", 0.5));
expected.add(new LanguageRange("yuu", 0.5));
expected.add(new LanguageRange("gfx", 0.4));
expected.add(new LanguageRange("oun", 0.4));
expected.add(new LanguageRange("mwj", 0.4));
expected.add(new LanguageRange("vaj", 0.4));
List<LanguageRange> got = LanguageRange.parse(str);
if (!areEqual(expected, got)) {
error = true;
System.err.println(" language parse() test failed.");
}
if (error) {
err = true;
System.err.println(" test_parse() failed.");
} else {
System.out.println(" test_parse() passed.");
}
}
private static void test_filter() {
boolean error = false;
String ranges = "mtm-RU, en-gb-oed, coy, ar-HY";
String tags = "de-DE, en, mtm-RU, ymt-RU, en-gb-oxendict, ja-JP, pij, nts, ar-arevela";
FilteringMode mode = EXTENDED_FILTERING;
List<LanguageRange> priorityList = LanguageRange.parse(ranges);
List<Locale> tagList = generateLocales(tags);
String actualLocales
= showLocales(Locale.filter(priorityList, tagList, mode));
String expectedLocales = "mtm-RU, ymt-RU, en-GB-oxendict, nts, pij";
if (!expectedLocales.equals(actualLocales)) {
error = true;
showErrorMessage("#1 filter(" + mode + ")",
ranges, tags, expectedLocales, actualLocales);
}
ranges = "phr-*-IN, ja-JP";
tags = "en, pmu-Guru-IN, ja-Latn-JP, iw";
mode = EXTENDED_FILTERING;
priorityList = LanguageRange.parse(ranges);
tagList = generateLocales(tags);
actualLocales = showLocales(Locale.filter(priorityList, tagList, mode));
expectedLocales = "pmu-Guru-IN, ja-Latn-JP";
if (!expectedLocales.equals(actualLocales)) {
error = true;
showErrorMessage("#2 filter(" + mode + ")",
ranges, tags, expectedLocales, actualLocales);
}
if (error) {
err = true;
System.out.println(" test_filter() failed.");
} else {
System.out.println(" test_filter() passed.");
}
}
private static void test_parse() {
boolean error = false;
String str = "Accept-Language: aam, adp, aue, bcg, cqu, ema,"
+ " en-gb-oed, gti, kdz, koj, kwq, kxe, lii, lmm, mtm, ngv,"
+ " oyb, phr, pub, suj, taj;q=0.9, ar-hyw;q=0.8, yug;q=0.5, gfx;q=0.4";
ArrayList<LanguageRange> expected = new ArrayList<>();
expected.add(new LanguageRange("aam", 1.0));
expected.add(new LanguageRange("aas", 1.0));
expected.add(new LanguageRange("adp", 1.0));
expected.add(new LanguageRange("dz", 1.0));
expected.add(new LanguageRange("aue", 1.0));
expected.add(new LanguageRange("ktz", 1.0));
expected.add(new LanguageRange("bcg", 1.0));
expected.add(new LanguageRange("bgm", 1.0));
expected.add(new LanguageRange("cqu", 1.0));
expected.add(new LanguageRange("quh", 1.0));
expected.add(new LanguageRange("ema", 1.0));
expected.add(new LanguageRange("uok", 1.0));
expected.add(new LanguageRange("en-gb-oed", 1.0));
expected.add(new LanguageRange("en-gb-oxendict", 1.0));
expected.add(new LanguageRange("gti", 1.0));
expected.add(new LanguageRange("nyc", 1.0));
expected.add(new LanguageRange("kdz", 1.0));
expected.add(new LanguageRange("ncp", 1.0));
expected.add(new LanguageRange("koj", 1.0));
expected.add(new LanguageRange("kwv", 1.0));
expected.add(new LanguageRange("kwq", 1.0));
expected.add(new LanguageRange("yam", 1.0));
expected.add(new LanguageRange("kxe", 1.0));
expected.add(new LanguageRange("tvd", 1.0));
expected.add(new LanguageRange("lii", 1.0));
expected.add(new LanguageRange("raq", 1.0));
expected.add(new LanguageRange("lmm", 1.0));
expected.add(new LanguageRange("rmx", 1.0));
expected.add(new LanguageRange("mtm", 1.0));
expected.add(new LanguageRange("ymt", 1.0));
expected.add(new LanguageRange("ngv", 1.0));
expected.add(new LanguageRange("nnx", 1.0));
expected.add(new LanguageRange("oyb", 1.0));
expected.add(new LanguageRange("thx", 1.0));
expected.add(new LanguageRange("skk", 1.0));
expected.add(new LanguageRange("jeg", 1.0));
expected.add(new LanguageRange("phr", 1.0));
expected.add(new LanguageRange("pmu", 1.0));
expected.add(new LanguageRange("pub", 1.0));
expected.add(new LanguageRange("puz", 1.0));
expected.add(new LanguageRange("suj", 1.0));
expected.add(new LanguageRange("xsj", 1.0));
expected.add(new LanguageRange("taj", 0.9));
expected.add(new LanguageRange("tsf", 0.9));
expected.add(new LanguageRange("ar-hyw", 0.8));
expected.add(new LanguageRange("yug", 0.5));
expected.add(new LanguageRange("yuu", 0.5));
expected.add(new LanguageRange("gfx", 0.4));
expected.add(new LanguageRange("oun", 0.4));
expected.add(new LanguageRange("mwj", 0.4));
expected.add(new LanguageRange("vaj", 0.4));
List<LanguageRange> got = LanguageRange.parse(str);
if (!areEqual(expected, got)) {
error = true;
System.err.println(" language parse() test failed.");
}
if (error) {
err = true;
System.err.println(" test_parse() failed.");
} else {
System.out.println(" test_parse() passed.");
}
}