241 lines
10 KiB
Java
241 lines
10 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 static com.google.common.truth.Truth.assertThat;
|
|
import static com.google.common.truth.Truth.assertWithMessage;
|
|
import static org.junit.Assert.fail;
|
|
|
|
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 java.io.IOException;
|
|
import java.text.DateFormat;
|
|
import java.text.SimpleDateFormat;
|
|
import java.util.Date;
|
|
import java.util.Locale;
|
|
import java.util.TimeZone;
|
|
import org.junit.Test;
|
|
|
|
/**
|
|
* A simple unit test for the {@link DefaultDateTypeAdapter} class.
|
|
*
|
|
* @author Joel Leitch
|
|
*/
|
|
@SuppressWarnings("JavaUtilDate")
|
|
public class DefaultDateTypeAdapterTest {
|
|
|
|
@Test
|
|
public void testFormattingInEnUs() {
|
|
assertFormattingAlwaysEmitsUsLocale(Locale.US);
|
|
}
|
|
|
|
@Test
|
|
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 {
|
|
// The patterns here attempt to accommodate minor date-time formatting differences between JDK
|
|
// versions. Ideally Gson would serialize in a way that is independent of the JDK version.
|
|
// Note: \h means "horizontal space", because some JDK versions use Narrow No Break Space
|
|
// (U+202F) before the AM or PM indication.
|
|
String utcFull = "(Coordinated Universal Time|UTC)";
|
|
assertFormatted("Jan 1, 1970,? 12:00:00\\hAM", 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("1/1/70,? 12:00\\hAM",
|
|
DateType.DATE.createAdapterFactory(DateFormat.SHORT, DateFormat.SHORT));
|
|
assertFormatted("Jan 1, 1970,? 12:00:00\\hAM",
|
|
DateType.DATE.createAdapterFactory(DateFormat.MEDIUM, DateFormat.MEDIUM));
|
|
assertFormatted("January 1, 1970(,| at)? 12:00:00\\hAM UTC",
|
|
DateType.DATE.createAdapterFactory(DateFormat.LONG, DateFormat.LONG));
|
|
assertFormatted("Thursday, January 1, 1970(,| at)? 12:00:00\\hAM " + utcFull,
|
|
DateType.DATE.createAdapterFactory(DateFormat.FULL, DateFormat.FULL));
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
@Test
|
|
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);
|
|
}
|
|
}
|
|
|
|
@Test
|
|
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);
|
|
}
|
|
}
|
|
|
|
@Test
|
|
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 {
|
|
assertFormatted("Dec 31, 1969,? 4:00:00\\hPM", DateType.DATE.createDefaultsAdapterFactory());
|
|
assertParsed("Dec 31, 1969 4:00:00 PM", DateType.DATE.createDefaultsAdapterFactory());
|
|
} finally {
|
|
TimeZone.setDefault(defaultTimeZone);
|
|
Locale.setDefault(defaultLocale);
|
|
}
|
|
}
|
|
|
|
@Test
|
|
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);
|
|
}
|
|
|
|
@Test
|
|
public void testDateSerialization() {
|
|
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);
|
|
assertThat(dateString).isEqualTo(toLiteral(formatter.format(currentDate)));
|
|
}
|
|
|
|
@Test
|
|
public void testDatePattern() {
|
|
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);
|
|
assertThat(dateString).isEqualTo(toLiteral(formatter.format(currentDate)));
|
|
}
|
|
|
|
@Test
|
|
public void testInvalidDatePattern() {
|
|
try {
|
|
DateType.DATE.createAdapterFactory("I am a bad Date pattern....");
|
|
fail("Invalid date pattern should fail.");
|
|
} catch (IllegalArgumentException expected) { }
|
|
}
|
|
|
|
@Test
|
|
public void testNullValue() throws Exception {
|
|
TypeAdapter<Date> adapter = dateAdapter(DateType.DATE.createDefaultsAdapterFactory());
|
|
assertThat(adapter.fromJson("null")).isNull();
|
|
assertThat(adapter.toJson(null)).isEqualTo("null");
|
|
}
|
|
|
|
@Test
|
|
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));
|
|
assertThat(adapter).isNotNull();
|
|
return adapter;
|
|
}
|
|
|
|
private static void assertFormatted(String formattedPattern, TypeAdapterFactory adapterFactory) {
|
|
TypeAdapter<Date> adapter = dateAdapter(adapterFactory);
|
|
String json = adapter.toJson(new Date(0));
|
|
assertThat(json).matches(toLiteral(formattedPattern));
|
|
}
|
|
|
|
@SuppressWarnings("UndefinedEquals")
|
|
private static void assertParsed(String date, TypeAdapterFactory adapterFactory) throws IOException {
|
|
TypeAdapter<Date> adapter = dateAdapter(adapterFactory);
|
|
assertWithMessage(date).that(adapter.fromJson(toLiteral(date))).isEqualTo(new Date(0));
|
|
assertWithMessage("ISO 8601").that(adapter.fromJson(toLiteral("1970-01-01T00:00:00Z"))).isEqualTo(new Date(0));
|
|
}
|
|
|
|
private static String toLiteral(String s) {
|
|
return '"' + s + '"';
|
|
}
|
|
}
|