public void GetSortRules_English()
{
var locale = new Locale("en-US");
var tailoredRules = Collator.GetCollationRules(locale);
var collationRules = Collator.GetCollationRules(locale, UColRuleOption.UCOL_FULL_RULES);
Assert.IsEmpty(tailoredRules);
Assert.IsNotNullOrEmpty(collationRules);
}
public void GetSortRules_Serbian()
{
if (string.CompareOrdinal(Wrapper.IcuVersion, "55.1") < 0)
{
Assert.Ignore("This test requires ICU 55 or higher");
}
const string rules = "[reorder Cyrl][suppressContractions [Ии]]";
const string language = "sr";
var locale = new Locale(language);
var collationRules = Collator.GetCollationRules(locale);
var collationRules2 = Collator.GetCollationRules(language);
Assert.AreEqual(rules, collationRules);
Assert.AreEqual(collationRules, collationRules2);
}
public virtual void TestCustomRules()
{
// It is possible not to have the collator rules for a specific
// country, fallback to the language if that is the case.
var possiblelocales = new[] { new Locale("de-DE"), new Locale("de") };
var allRules = RuleBasedCollator.GetAvailableCollationLocales();
var localeToUse = possiblelocales.FirstOrDefault(locl => allRules.Contains(locl.Id));
Assert.True(localeToUse != default, "Should have found a matching collation locale given the two locales to use.");
const string DIN5007_2_tailorings = "& ae , a\u0308 & AE , A\u0308" + "& oe , o\u0308 & OE , O\u0308" + "& ue , u\u0308 & UE , u\u0308";
var collationRules = Collator.GetCollationRules(localeToUse.Id);
Assert.IsNotNull(collationRules, $"Rules should have been fetched for {localeToUse.Id}");
string tailoredRules = collationRules + DIN5007_2_tailorings;
RuleBasedCollator tailoredCollator = new RuleBasedCollator(tailoredRules);
// at this point, you would save these tailoredRules to a file,
// and use the custom parameter.
string germanUmlaut = "Töne";
string germanOE = "Toene";
IDictionary <string, string> args = new Dictionary <string, string>();
args["custom"] = "rules.txt";
args["strength"] = "primary";
#pragma warning disable 612, 618
CollationKeyFilterFactory factory = new CollationKeyFilterFactory(args);
#pragma warning restore 612, 618
factory.Inform(new StringMockResourceLoader(tailoredRules));
TokenStream tsUmlaut = factory.Create(new MockTokenizer(new StringReader(germanUmlaut), MockTokenizer.KEYWORD, false));
TokenStream tsOE = factory.Create(new MockTokenizer(new StringReader(germanOE), MockTokenizer.KEYWORD, false));
AssertCollatesToSame(tsUmlaut, tsOE);
}