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/*
* Copyright (c) 2015, 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.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.SimpleFormatter;
/**
* @test
* @bug 8072645
* @summary tests that LogRecord has nanos...
* @run main LogRecordWithNanos
* @author danielfuchs
*/
public class LogRecordWithNanos {
static final int MILLIS_IN_SECOND = 1000;
static final int NANOS_IN_MILLI = 1000_000;
static final int NANOS_IN_SECOND = 1000_000_000;
static final boolean verbose = false;
static final class TestAssertException extends RuntimeException {
TestAssertException(String msg) { super(msg); }
}
private static void assertEquals(long expected, long received, String msg) {
if (expected != received) {
throw new TestAssertException("Unexpected result for " + msg
+ ".\n\texpected: " + expected
+ "\n\tactual: " + received);
} else if (verbose) {
System.out.println("Got expected " + msg + ": " + received);
}
}
/**
* Serializes a log record, then deserializes it and check that both
* records match.
* @param record the log record to serialize & deserialize.
* @throws IOException Unexpected.
* @throws ClassNotFoundException Unexpected.
*/
public static void test(LogRecord record)
throws IOException, ClassNotFoundException {
// Format the given logRecord using the SimpleFormatter
SimpleFormatter formatter = new SimpleFormatter();
String str = formatter.format(record);
// Serialize the given LogRecord
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(record);
oos.flush();
oos.close();
// First checks that the log record can be deserialized
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
final LogRecord record2 = (LogRecord)ois.readObject();
assertEquals(record.getMillis(), record2.getMillis(), "getMillis()");
assertEquals(record.getInstant().getEpochSecond(),
record2.getInstant().getEpochSecond(),
"getInstant().getEpochSecond()");
assertEquals(record.getInstant().getNano(),
record2.getInstant().getNano(),
"getInstant().getNano()");
assertEquals(record.getInstant().toEpochMilli(),
record2.getInstant().toEpochMilli(),
"getInstant().toEpochMilli()");
assertEquals(record.getMillis(),
record.getInstant().toEpochMilli(),
"getMillis()/getInstant().toEpochMilli()");
assertEquals(record2.getMillis(),
record2.getInstant().toEpochMilli(),
"getMillis()/getInstant().toEpochMilli()");
assertEquals((record.getMillis()%MILLIS_IN_SECOND)*NANOS_IN_MILLI
+ (record.getInstant().getNano() % NANOS_IN_MILLI),
record.getInstant().getNano(),
"record.getMillis()%1000)*1000_000"
+ " + record.getInstant().getNano()%1000_000 / getInstant().getNano()");
assertEquals((record2.getMillis()%MILLIS_IN_SECOND)*NANOS_IN_MILLI
+ (record2.getInstant().getNano() % NANOS_IN_MILLI),
record2.getInstant().getNano(),
"record2.getMillis()%1000)*1000_000"
+ " + record2.getInstant().getNano()%1000_000 / getInstant().getNano()");
// Format the deserialized LogRecord using the SimpleFormatter, and
// check that the string representation obtained matches the string
// representation of the original LogRecord
String str2 = formatter.format(record2);
if (!str.equals(str2))
throw new RuntimeException("Unexpected values in deserialized object:"
+ "\n\tExpected: " + str
+ "\n\tRetrieved: "+str);
}
public static void main(String[] args) throws Exception {
int count=0;
for (int i=0; i<1000; i++) {
LogRecord record = new LogRecord(Level.INFO, "Java Version: {0}");
record.setLoggerName("test");
record.setParameters(new Object[] {System.getProperty("java.version")});
if (record.getInstant().getNano() % 1000_000 != 0) {
count++;
}
test(record);
}
if (count == 0) {
throw new RuntimeException("Expected at least one record to have nanos");
}
System.out.println(count + "/1000 records had nano adjustment.");
}
}
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