99 lines
3.2 KiB
Java
99 lines
3.2 KiB
Java
/*
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* Copyright (C) 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.typeadapters;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Locale;
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import java.util.TimeZone;
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import org.junit.Test;
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@SuppressWarnings("JavaUtilDate")
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public final class UtcDateTypeAdapterTest {
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private final Gson gson =
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new GsonBuilder().registerTypeAdapter(Date.class, new UtcDateTypeAdapter()).create();
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@Test
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public void testLocalTimeZone() {
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Date expected = new Date();
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String json = gson.toJson(expected);
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Date actual = gson.fromJson(json, Date.class);
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assertEquals(expected.getTime(), actual.getTime());
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}
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@Test
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public void testDifferentTimeZones() {
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for (String timeZone : TimeZone.getAvailableIDs()) {
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone(timeZone));
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Date expected = cal.getTime();
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String json = gson.toJson(expected);
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// System.out.println(json + ": " + timeZone);
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Date actual = gson.fromJson(json, Date.class);
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assertEquals(expected.getTime(), actual.getTime());
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}
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}
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/**
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* JDK 1.7 introduced support for XXX format to indicate UTC date. But Android is older JDK. We
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* want to make sure that this date is parseable in Android.
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*/
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@Test
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public void testUtcDatesOnJdkBefore1_7() {
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Gson gson =
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new GsonBuilder().registerTypeAdapter(Date.class, new UtcDateTypeAdapter()).create();
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Date unused = gson.fromJson("'2014-12-05T04:00:00.000Z'", Date.class);
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}
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@Test
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public void testUtcWithJdk7Default() {
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Date expected = new Date();
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SimpleDateFormat iso8601Format =
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new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX", Locale.US);
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iso8601Format.setTimeZone(TimeZone.getTimeZone("UTC"));
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String expectedJson = "\"" + iso8601Format.format(expected) + "\"";
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String actualJson = gson.toJson(expected);
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assertEquals(expectedJson, actualJson);
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Date actual = gson.fromJson(expectedJson, Date.class);
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assertEquals(expected.getTime(), actual.getTime());
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}
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@Test
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public void testNullDateSerialization() {
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String json = gson.toJson(null, Date.class);
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assertEquals("null", json);
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}
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@Test
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public void testWellFormedParseException() {
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try {
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gson.fromJson("2017-06-20T14:32:30", Date.class);
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fail("No exception");
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} catch (JsonParseException exe) {
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assertEquals(
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"java.text.ParseException: Failed to parse date ['2017-06-20T14']: 2017-06-20T14",
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exe.getMessage());
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}
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}
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}
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