6c12ded70d
* Rewrite the `testParsingDatesFormattedWithSystemLocale()`, Fix #2199 * Format the test * Format the code following Google Java Style Guide * Revert "Format the code following Google Java Style Guide" This reverts commit f5e2e16b290a4bed09ed7fcc162d4a2529fe4c38.
224 lines
9.7 KiB
Java
224 lines
9.7 KiB
Java
/*
|
|
* Copyright (C) 2008 Google Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.google.gson.internal.bind;
|
|
|
|
import java.io.IOException;
|
|
import java.text.DateFormat;
|
|
import java.text.SimpleDateFormat;
|
|
import java.util.Date;
|
|
import java.util.Locale;
|
|
import java.util.TimeZone;
|
|
import com.google.gson.Gson;
|
|
import com.google.gson.TypeAdapter;
|
|
import com.google.gson.TypeAdapterFactory;
|
|
import com.google.gson.internal.JavaVersion;
|
|
import com.google.gson.internal.bind.DefaultDateTypeAdapter.DateType;
|
|
import com.google.gson.reflect.TypeToken;
|
|
import junit.framework.TestCase;
|
|
|
|
/**
|
|
* A simple unit test for the {@link DefaultDateTypeAdapter} class.
|
|
*
|
|
* @author Joel Leitch
|
|
*/
|
|
public class DefaultDateTypeAdapterTest extends TestCase {
|
|
|
|
public void testFormattingInEnUs() {
|
|
assertFormattingAlwaysEmitsUsLocale(Locale.US);
|
|
}
|
|
|
|
public void testFormattingInFr() {
|
|
assertFormattingAlwaysEmitsUsLocale(Locale.FRANCE);
|
|
}
|
|
|
|
private void assertFormattingAlwaysEmitsUsLocale(Locale locale) {
|
|
TimeZone defaultTimeZone = TimeZone.getDefault();
|
|
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
|
|
Locale defaultLocale = Locale.getDefault();
|
|
Locale.setDefault(locale);
|
|
try {
|
|
String afterYearSep = JavaVersion.isJava9OrLater() ? ", " : " ";
|
|
String afterYearLongSep = JavaVersion.isJava9OrLater() ? " at " : " ";
|
|
String utcFull = JavaVersion.isJava9OrLater() ? "Coordinated Universal Time" : "UTC";
|
|
assertFormatted(String.format("Jan 1, 1970%s12:00:00 AM", afterYearSep),
|
|
DateType.DATE.createDefaultsAdapterFactory());
|
|
assertFormatted("1/1/70", DateType.DATE.createAdapterFactory(DateFormat.SHORT));
|
|
assertFormatted("Jan 1, 1970", DateType.DATE.createAdapterFactory(DateFormat.MEDIUM));
|
|
assertFormatted("January 1, 1970", DateType.DATE.createAdapterFactory(DateFormat.LONG));
|
|
assertFormatted(String.format("1/1/70%s12:00 AM", afterYearSep),
|
|
DateType.DATE.createAdapterFactory(DateFormat.SHORT, DateFormat.SHORT));
|
|
assertFormatted(String.format("Jan 1, 1970%s12:00:00 AM", afterYearSep),
|
|
DateType.DATE.createAdapterFactory(DateFormat.MEDIUM, DateFormat.MEDIUM));
|
|
assertFormatted(String.format("January 1, 1970%s12:00:00 AM UTC", afterYearLongSep),
|
|
DateType.DATE.createAdapterFactory(DateFormat.LONG, DateFormat.LONG));
|
|
assertFormatted(String.format("Thursday, January 1, 1970%s12:00:00 AM %s", afterYearLongSep, utcFull),
|
|
DateType.DATE.createAdapterFactory(DateFormat.FULL, DateFormat.FULL));
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
public void testParsingDatesFormattedWithSystemLocale() throws Exception {
|
|
TimeZone defaultTimeZone = TimeZone.getDefault();
|
|
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
|
|
Locale defaultLocale = Locale.getDefault();
|
|
Locale.setDefault(Locale.FRANCE);
|
|
try {
|
|
Date date = new Date(0);
|
|
assertParsed(
|
|
DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(date),
|
|
DateType.DATE.createDefaultsAdapterFactory());
|
|
assertParsed(
|
|
DateFormat.getDateInstance(DateFormat.SHORT).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.SHORT));
|
|
assertParsed(
|
|
DateFormat.getDateInstance(DateFormat.MEDIUM).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.MEDIUM));
|
|
assertParsed(
|
|
DateFormat.getDateInstance(DateFormat.LONG).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.LONG));
|
|
assertParsed(
|
|
DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.SHORT, DateFormat.SHORT));
|
|
assertParsed(
|
|
DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.MEDIUM, DateFormat.MEDIUM));
|
|
assertParsed(
|
|
DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.LONG, DateFormat.LONG));
|
|
assertParsed(
|
|
DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL).format(date),
|
|
DateType.DATE.createAdapterFactory(DateFormat.FULL, DateFormat.FULL));
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
public void testParsingDatesFormattedWithUsLocale() throws Exception {
|
|
TimeZone defaultTimeZone = TimeZone.getDefault();
|
|
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
|
|
Locale defaultLocale = Locale.getDefault();
|
|
Locale.setDefault(Locale.US);
|
|
try {
|
|
assertParsed("Jan 1, 1970 0:00:00 AM", DateType.DATE.createDefaultsAdapterFactory());
|
|
assertParsed("1/1/70", DateType.DATE.createAdapterFactory(DateFormat.SHORT));
|
|
assertParsed("Jan 1, 1970", DateType.DATE.createAdapterFactory(DateFormat.MEDIUM));
|
|
assertParsed("January 1, 1970", DateType.DATE.createAdapterFactory(DateFormat.LONG));
|
|
assertParsed("1/1/70 0:00 AM",
|
|
DateType.DATE.createAdapterFactory(DateFormat.SHORT, DateFormat.SHORT));
|
|
assertParsed("Jan 1, 1970 0:00:00 AM",
|
|
DateType.DATE.createAdapterFactory(DateFormat.MEDIUM, DateFormat.MEDIUM));
|
|
assertParsed("January 1, 1970 0:00:00 AM UTC",
|
|
DateType.DATE.createAdapterFactory(DateFormat.LONG, DateFormat.LONG));
|
|
assertParsed("Thursday, January 1, 1970 0:00:00 AM UTC",
|
|
DateType.DATE.createAdapterFactory(DateFormat.FULL, DateFormat.FULL));
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
public void testFormatUsesDefaultTimezone() throws Exception {
|
|
TimeZone defaultTimeZone = TimeZone.getDefault();
|
|
TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
|
|
Locale defaultLocale = Locale.getDefault();
|
|
Locale.setDefault(Locale.US);
|
|
try {
|
|
String afterYearSep = JavaVersion.isJava9OrLater() ? ", " : " ";
|
|
assertFormatted(String.format("Dec 31, 1969%s4:00:00 PM", afterYearSep),
|
|
DateType.DATE.createDefaultsAdapterFactory());
|
|
assertParsed("Dec 31, 1969 4:00:00 PM", DateType.DATE.createDefaultsAdapterFactory());
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
public void testDateDeserializationISO8601() throws Exception {
|
|
TypeAdapterFactory adapterFactory = DateType.DATE.createDefaultsAdapterFactory();
|
|
assertParsed("1970-01-01T00:00:00.000Z", adapterFactory);
|
|
assertParsed("1970-01-01T00:00Z", adapterFactory);
|
|
assertParsed("1970-01-01T00:00:00+00:00", adapterFactory);
|
|
assertParsed("1970-01-01T01:00:00+01:00", adapterFactory);
|
|
assertParsed("1970-01-01T01:00:00+01", adapterFactory);
|
|
}
|
|
|
|
public void testDateSerialization() throws Exception {
|
|
int dateStyle = DateFormat.LONG;
|
|
TypeAdapter<Date> dateTypeAdapter = dateAdapter(DateType.DATE.createAdapterFactory(dateStyle));
|
|
DateFormat formatter = DateFormat.getDateInstance(dateStyle, Locale.US);
|
|
Date currentDate = new Date();
|
|
|
|
String dateString = dateTypeAdapter.toJson(currentDate);
|
|
assertEquals(toLiteral(formatter.format(currentDate)), dateString);
|
|
}
|
|
|
|
public void testDatePattern() throws Exception {
|
|
String pattern = "yyyy-MM-dd";
|
|
TypeAdapter<Date> dateTypeAdapter = dateAdapter(DateType.DATE.createAdapterFactory(pattern));
|
|
DateFormat formatter = new SimpleDateFormat(pattern);
|
|
Date currentDate = new Date();
|
|
|
|
String dateString = dateTypeAdapter.toJson(currentDate);
|
|
assertEquals(toLiteral(formatter.format(currentDate)), dateString);
|
|
}
|
|
|
|
public void testInvalidDatePattern() throws Exception {
|
|
try {
|
|
DateType.DATE.createAdapterFactory("I am a bad Date pattern....");
|
|
fail("Invalid date pattern should fail.");
|
|
} catch (IllegalArgumentException expected) { }
|
|
}
|
|
|
|
public void testNullValue() throws Exception {
|
|
TypeAdapter<Date> adapter = dateAdapter(DateType.DATE.createDefaultsAdapterFactory());
|
|
assertNull(adapter.fromJson("null"));
|
|
assertEquals("null", adapter.toJson(null));
|
|
}
|
|
|
|
public void testUnexpectedToken() throws Exception {
|
|
try {
|
|
TypeAdapter<Date> adapter = dateAdapter(DateType.DATE.createDefaultsAdapterFactory());
|
|
adapter.fromJson("{}");
|
|
fail("Unexpected token should fail.");
|
|
} catch (IllegalStateException expected) { }
|
|
}
|
|
|
|
private static TypeAdapter<Date> dateAdapter(TypeAdapterFactory adapterFactory) {
|
|
TypeAdapter<Date> adapter = adapterFactory.create(new Gson(), TypeToken.get(Date.class));
|
|
assertNotNull(adapter);
|
|
return adapter;
|
|
}
|
|
|
|
private static void assertFormatted(String formatted, TypeAdapterFactory adapterFactory) {
|
|
TypeAdapter<Date> adapter = dateAdapter(adapterFactory);
|
|
assertEquals(toLiteral(formatted), adapter.toJson(new Date(0)));
|
|
}
|
|
|
|
private static void assertParsed(String date, TypeAdapterFactory adapterFactory) throws IOException {
|
|
TypeAdapter<Date> adapter = dateAdapter(adapterFactory);
|
|
assertEquals(date, new Date(0), adapter.fromJson(toLiteral(date)));
|
|
assertEquals("ISO 8601", new Date(0), adapter.fromJson(toLiteral("1970-01-01T00:00:00Z")));
|
|
}
|
|
|
|
private static String toLiteral(String s) {
|
|
return '"' + s + '"';
|
|
}
|
|
}
|