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package com.google.gson.internal.sql;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Locale;
import java.util.TimeZone;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.functional.DefaultTypeAdaptersTest;
import com.google.gson.internal.JavaVersion;
import junit.framework.TestCase;
public class SqlTypesGsonTest extends TestCase {
private Gson gson;
private TimeZone oldTimeZone;
private Locale oldLocale;
@Override
protected void setUp() throws Exception {
super.setUp();
this.oldTimeZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
this.oldLocale = Locale.getDefault();
Locale.setDefault(Locale.US);
gson = new Gson();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
TimeZone.setDefault(oldTimeZone);
Locale.setDefault(oldLocale);
}
public void testNullSerializationAndDeserialization() {
testNullSerializationAndDeserialization(Date.class);
testNullSerializationAndDeserialization(Time.class);
testNullSerializationAndDeserialization(Timestamp.class);
}
private void testNullSerializationAndDeserialization(Class<?> c) {
DefaultTypeAdaptersTest.testNullSerializationAndDeserialization(gson, c);
}
public void testDefaultSqlDateSerialization() {
java.sql.Date instant = new java.sql.Date(1259875082000L);
String json = gson.toJson(instant);
assertEquals("\"Dec 3, 2009\"", json);
}
public void testDefaultSqlDateDeserialization() {
String json = "'Dec 3, 2009'";
java.sql.Date extracted = gson.fromJson(json, java.sql.Date.class);
DefaultTypeAdaptersTest.assertEqualsDate(extracted, 2009, 11, 3);
}
// http://code.google.com/p/google-gson/issues/detail?id=230
public void testSqlDateSerialization() throws Exception {
TimeZone defaultTimeZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
Locale defaultLocale = Locale.getDefault();
Locale.setDefault(Locale.US);
try {
java.sql.Date sqlDate = new java.sql.Date(0L);
Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();
String json = gson.toJson(sqlDate, Timestamp.class);
assertEquals("\"1970-01-01\"", json);
assertEquals(0, gson.fromJson("\"1970-01-01\"", java.sql.Date.class).getTime());
} finally {
TimeZone.setDefault(defaultTimeZone);
Locale.setDefault(defaultLocale);
}
}
public void testDefaultSqlTimeSerialization() {
Time now = new Time(1259875082000L);
String json = gson.toJson(now);
assertEquals("\"01:18:02 PM\"", json);
}
public void testDefaultSqlTimeDeserialization() {
String json = "'1:18:02 PM'";
Time extracted = gson.fromJson(json, Time.class);
DefaultTypeAdaptersTest.assertEqualsTime(extracted, 13, 18, 2);
}
public void testDefaultSqlTimestampSerialization() {
Timestamp now = new java.sql.Timestamp(1259875082000L);
String json = gson.toJson(now);
if (JavaVersion.isJava9OrLater()) {
assertEquals("\"Dec 3, 2009, 1:18:02 PM\"", json);
} else {
assertEquals("\"Dec 3, 2009 1:18:02 PM\"", json);
}
}
public void testDefaultSqlTimestampDeserialization() {
String json = "'Dec 3, 2009 1:18:02 PM'";
Timestamp extracted = gson.fromJson(json, Timestamp.class);
DefaultTypeAdaptersTest.assertEqualsDate(extracted, 2009, 11, 3);
DefaultTypeAdaptersTest.assertEqualsTime(extracted, 13, 18, 2);
}
// http://code.google.com/p/google-gson/issues/detail?id=230
public void testTimestampSerialization() throws Exception {
TimeZone defaultTimeZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
Locale defaultLocale = Locale.getDefault();
Locale.setDefault(Locale.US);
try {
Timestamp timestamp = new Timestamp(0L);
Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();
String json = gson.toJson(timestamp, Timestamp.class);
assertEquals("\"1970-01-01\"", json);
assertEquals(0, gson.fromJson("\"1970-01-01\"", Timestamp.class).getTime());
} finally {
TimeZone.setDefault(defaultTimeZone);
Locale.setDefault(defaultLocale);
}
}
}
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