1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8075548 27 * @summary Make sure that the format form of month names are produced when there are 28 * no stand-alone ones available. 29 */ 30 31 import java.text.*; 32 import java.util.*; 33 import static java.util.Calendar.*; 34 35 public class Bug8075548 { 36 static int errors = 0; 37 38 public static void main(String[] args) throws Throwable { 39 Date date = new SimpleDateFormat("yyyy-MM-dd", Locale.US).parse("2010-09-15"); 40 String[][] FORMAT_PAIRS = { 41 { "LLLL", "MMMM" }, 42 { "LLL", "MMM" } 43 }; 44 Locale[] LOCALES = { 45 Locale.ENGLISH, Locale.JAPANESE 46 }; 47 48 for (Locale locale : LOCALES) { 49 for (String[] formats : FORMAT_PAIRS) { 50 String el = new SimpleDateFormat(formats[0], locale).format(date); 51 String em = new SimpleDateFormat(formats[1], locale).format(date); 52 if (!el.equals(em)) { 53 errors++; 54 System.err.println(locale + ": " + 55 formats[0] + " -> " + el + ", " + 56 formats[1] + " -> " + em); 57 } 58 } 59 } 60 61 // Test Calendar.getDisplayName() and .getDisplayNames(). 62 for (Locale locale : LOCALES) { 63 testDisplayNames(locale, LONG_FORMAT, LONG_STANDALONE); 64 testDisplayNames(locale, SHORT_FORMAT, SHORT_STANDALONE); 65 testDisplayNames(locale, NARROW_FORMAT, NARROW_STANDALONE); 66 } 67 68 if (errors > 0) { 69 throw new RuntimeException("Failed"); 70 } 71 } 72 73 private static void testDisplayNames(Locale locale, int formatStyle, int standaloneStyle) { 74 Map<String, Integer> map = new HashMap<>(); 75 for (int month = JANUARY; month <= DECEMBER; month++) { 76 Calendar cal = new GregorianCalendar(2015, month, 1); 77 String format = cal.getDisplayName(MONTH, formatStyle, locale); 78 String standalone = cal.getDisplayName(MONTH, standaloneStyle, locale); 79 if (!format.equals(standalone)) { 80 System.err.println("Calendar.getDisplayName: " + (month+1) + 81 ", locale=" + locale + 82 ", format=" + format + ", standalone=" + standalone); 83 errors++; 84 } 85 if (standalone != null) { 86 map.put(standalone, month); 87 } 88 } 89 if (formatStyle == NARROW_FORMAT) { 90 // Narrow styles don't support unique names. 91 // (e.g., "J" for JANUARY, JUNE, and JULY) 92 return; 93 } 94 Calendar cal = new GregorianCalendar(2015, JANUARY, 1); 95 Map<String, Integer> mapStandalone = cal.getDisplayNames(MONTH, standaloneStyle, locale); 96 if (!map.equals(mapStandalone)) { 97 System.err.printf("Calendar.getDisplayNames: locale=%s%n map=%s%n mapStandalone=%s%n", 98 locale, map, mapStandalone); 99 errors++; 100 } 101 Map<String, Integer> mapAll = cal.getDisplayNames(MONTH, ALL_STYLES, locale); 102 if (!mapAll.entrySet().containsAll(map.entrySet())) { 103 System.err.printf("Calendar.getDisplayNames: locale=%s%n map=%s%n mapAll=%s%n", 104 locale, map, mapAll); 105 errors++; 106 } 107 } 108 }