test/jdk/java/util/Calendar/SupplementalJapaneseEraTest.java
changeset 47216 71c04702a3d5
parent 47030 d548b7a9ba3e
child 50478 2e3f73b616c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/Calendar/SupplementalJapaneseEraTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.text.SimpleDateFormat;
+import java.time.chrono.JapaneseChronology;
+import java.time.chrono.JapaneseDate;
+import java.time.chrono.JapaneseEra;
+import java.time.format.DateTimeFormatter;
+import java.time.format.TextStyle;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import static java.util.GregorianCalendar.*;
+import java.util.Locale;
+import java.util.TimeZone;
+
+/*
+ * Usage:
+ *   java SupplementalJapaneseEraTest <flag>
+ *    <flag>
+ *      -s   prints start time for a test era
+ *      -e   prints the English name of the last predefined era
+ *
+ *   java -Djdk.calendar.japanese.supplemental.era=... SupplementalJapaneseEraTest <flag>
+ *      -t   executes tests with a valid property value
+ *      -b <eraname>
+ *           executes tests with an invalid property value
+ *           <eraname> must be the output with -e
+ */
+
+public class SupplementalJapaneseEraTest {
+    private static final Locale WAREKI_LOCALE = Locale.forLanguageTag("ja-JP-u-ca-japanese");
+    private static final String NEW_ERA_NAME = "NewEra";
+    private static final String NEW_ERA_ABBR = "N.E.";
+    private static int errors = 0;
+
+    public static void main(String[] args) {
+        // args[0] is a flag.
+        switch (args[0]) {
+        case "-s":
+            // print the start time of the new era for testing
+            Calendar cal = new Calendar.Builder()
+                .setCalendarType("japanese")
+                .setTimeZone(TimeZone.getTimeZone("GMT"))
+                .setDate(200, FEBRUARY, 11)
+                .build();
+            System.out.println(cal.getTimeInMillis());
+            break;
+
+        case "-e":
+            // print the current era name in English
+            Calendar jcal = new Calendar.Builder()
+                .setCalendarType("japanese")
+                .setFields(YEAR, 1, DAY_OF_YEAR, 1)
+                .build();
+            System.out.println(jcal.getDisplayName(ERA, LONG, Locale.US));
+            break;
+
+        case "-t":
+            // test with a valid property value
+            testProperty();
+            break;
+
+        case "-b":
+            // test with an invalid property value
+            // args[1] is the current era name given by -e.
+            testValidation(args[1].replace("\r", "")); // remove any CR for Cygwin
+            break;
+        }
+        if (errors != 0) {
+            throw new RuntimeException("test failed");
+        }
+    }
+
+    private static void testProperty() {
+        Calendar jcal = new Calendar.Builder()
+            .setCalendarType("japanese")
+            .setFields(YEAR, 1, DAY_OF_YEAR, 1)
+            .build();
+        Date firstDayOfEra = jcal.getTime();
+
+        jcal.set(ERA, jcal.get(ERA) - 1); // previous era
+        jcal.set(YEAR, 1);
+        jcal.set(DAY_OF_YEAR, 1);
+        Calendar cal = new GregorianCalendar();
+        cal.setTimeInMillis(jcal.getTimeInMillis());
+        cal.add(YEAR, 199);
+        int year = cal.get(YEAR);
+
+        SimpleDateFormat sdf;
+        String expected, got;
+
+        // test long era name
+        sdf = new SimpleDateFormat("GGGG y-MM-dd", WAREKI_LOCALE);
+        got = sdf.format(firstDayOfEra);
+        expected = NEW_ERA_NAME + " 1-02-11";
+        if (!expected.equals(got)) {
+            System.err.printf("GGGG y-MM-dd: got=\"%s\", expected=\"%s\"%n", got, expected);
+            errors++;
+        }
+
+        // test era abbreviation
+        sdf = new SimpleDateFormat("G y-MM-dd", WAREKI_LOCALE);
+        got = sdf.format(firstDayOfEra);
+        expected = NEW_ERA_ABBR+" 1-02-11";
+        if (!expected.equals(got)) {
+            System.err.printf("G y-MM-dd: got=\"%s\", expected=\"%s\"%n", got, expected);
+            errors++;
+        }
+
+        // confirm the gregorian year
+        sdf = new SimpleDateFormat("y", Locale.US);
+        int y = Integer.parseInt(sdf.format(firstDayOfEra));
+        if (y != year) {
+            System.err.printf("Gregorian year: got=%d, expected=%d%n", y, year);
+            errors++;
+        }
+
+        // test java.time.chrono.JapaneseEra
+        JapaneseDate jdate = JapaneseDate.of(year, 2, 11);
+        got = jdate.toString();
+        expected = "Japanese " + NEW_ERA_NAME + " 1-02-11";
+        if (!expected.equals(got)) {
+            System.err.printf("JapaneseDate: got=\"%s\", expected=\"%s\"%n", got, expected);
+            errors++;
+        }
+        JapaneseEra jera = jdate.getEra();
+        got = jera.getDisplayName(TextStyle.FULL, Locale.US);
+        if (!NEW_ERA_NAME.equals(got)) {
+            System.err.printf("JapaneseEra (FULL): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_NAME);
+            errors++;
+        }
+        got = jera.getDisplayName(TextStyle.SHORT, Locale.US);
+        if (!NEW_ERA_NAME.equals(got)) {
+            System.err.printf("JapaneseEra (SHORT): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_NAME);
+            errors++;
+        }
+        got = jera.getDisplayName(TextStyle.NARROW, Locale.US);
+        if (!NEW_ERA_ABBR.equals(got)) {
+            System.err.printf("JapaneseEra (NARROW): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_ABBR);
+            errors++;
+        }
+        got = jera.getDisplayName(TextStyle.NARROW_STANDALONE, Locale.US);
+        if (!NEW_ERA_ABBR.equals(got)) {
+            System.err.printf("JapaneseEra (NARROW_STANDALONE): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_ABBR);
+            errors++;
+        }
+
+        // test full/short/narrow names with java.time.format
+        got = DateTimeFormatter
+            .ofPattern("GGGG G GGGGG")
+            .withLocale(Locale.US)
+            .withChronology(JapaneseChronology.INSTANCE)
+            .format(jdate);
+        expected = NEW_ERA_NAME + " " + NEW_ERA_NAME + " " + NEW_ERA_ABBR;
+        if (!expected.equals(got)) {
+            System.err.printf("java.time formatter full/short/narrow names: got=\"%s\", expected=\"%s\"%n", got, expected);
+            errors++;
+        }
+    }
+
+    private static void testValidation(String eraName) {
+        Calendar jcal = new Calendar.Builder()
+            .setCalendarType("japanese")
+            .setFields(YEAR, 1, DAY_OF_YEAR, 1)
+            .build();
+        if (!jcal.getDisplayName(ERA, LONG, Locale.US).equals(eraName)) {
+            errors++;
+            String prop = System.getProperty("jdk.calendar.japanese.supplemental.era");
+            System.err.println("Era changed with invalid property: " + prop);
+        }
+    }
+}