75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.text.DecimalFormatSymbols;
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.Locale;
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import java.util.Locale.Builder;
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/**
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* TestUtils provides utility methods to get a locale-dependent attribute.
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* For example,
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* - whether or not a non-Gregorian calendar is used
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* - whether or not non-ASCII digits are used
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*
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* This class was developed to help testing for internationalization &
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* localization and is not versatile.
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*/
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public class TestUtils {
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/**
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* Returns true if the give locale uses Gregorian calendar.
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*/
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public static boolean usesGregorianCalendar(Locale locale) {
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return Calendar.getInstance(locale).getClass() == GregorianCalendar.class;
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}
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/**
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* Returns true if the given locale uses ASCII digits.
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*/
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public static boolean usesAsciiDigits(Locale locale) {
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return DecimalFormatSymbols.getInstance(locale).getZeroDigit() == '0';
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}
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/**
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* Returns true if the given locale has a special variant which is treated
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* as ill-formed in BCP 47.
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*
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* BCP 47 requires a variant subtag to be 5 to 8 alphanumerics or a
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* single numeric followed by 3 alphanumerics.
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* However, note that this methods doesn't check a variant so rigorously
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* because this is a utility method for testing. Intended special variants
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* are: JP, NY, and TH, which can be commonly provided by
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* Locale.getAvailableLocales().
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*
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*/
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public static boolean hasSpecialVariant(Locale locale) {
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String variant = locale.getVariant();
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return !variant.isEmpty()
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&& "JP".equals(variant) || "NY".equals(variant) || "TH".equals(variant);
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}
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}
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