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/*
* Copyright (c) 2019, 2020, 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.
*/
/*
* @test
* @bug 8246774
* @summary superclass fields in the stream should be discarded
* @library /test/lib
* @modules jdk.compiler
* @compile AssignableFrom.java Point.java DefaultValues.java SuperStreamFields.java
* @run testng SuperStreamFieldsTest
*/
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static java.lang.System.out;
import static org.testng.Assert.assertEquals;
/**
* Tests that superclass fields in the stream are discarded.
*/
public class SuperStreamFieldsTest extends AbstractTest {
@DataProvider(name = "plainInstances")
public Object[][] plainInstances() {
return new Object[][] {
new Object[] { newPlainSuperStreamFields("cat", new int[] { 1 }, 1) },
new Object[] { newPlainSuperStreamFields("dog", new int[] { 2, 3 }, 4) },
new Object[] { newPlainSuperStreamFields("rat", new int[] { 5, 6 }, 7) },
};
}
/** Serializes non-record (plain) instance, deserializes as a record. */
@Test(dataProvider = "plainInstances")
public void testPlainToRecord(SuperStreamFields objToSerialize) throws Exception {
assert !objToSerialize.getClass().isRecord();
out.println("serialize : " + objToSerialize);
byte[] bytes = serialize(objToSerialize);
SuperStreamFields objDeserialized = deserializeAsRecord(bytes);
assert objDeserialized.getClass().isRecord();
out.println("deserialized: " + objDeserialized);
assertEquals(objToSerialize.str(), objDeserialized.str());
assertEquals(objToSerialize.x(), objDeserialized.x());
assertEquals(objToSerialize.y(), objDeserialized.y());
}
@DataProvider(name = "recordInstances")
public Object[][] recordInstances() {
return new Object[][] {
new Object[] { newRecordSuperStreamFields("goat", new int[] { 56 }, 66) },
new Object[] { newRecordSuperStreamFields("rabbit", new int[] { 22, 75 }, 77) },
new Object[] { newRecordSuperStreamFields("mouse", new int[] { 12, 18 }, 88) },
};
}
/** Serializes record instance, deserializes as non-record (plain). */
@Test(dataProvider = "recordInstances")
public void testRecordToPlain(SuperStreamFields objToSerialize) throws Exception {
assert objToSerialize.getClass().isRecord();
out.println("serialize : " + objToSerialize);
byte[] bytes = serialize(objToSerialize);
SuperStreamFields objDeserialized = deserializeAsPlain(bytes);
assert !objDeserialized.getClass().isRecord();
out.println("deserialized: " + objDeserialized);
assertEquals(objToSerialize.str(), objDeserialized.str());
assertEquals(objToSerialize.x(), objDeserialized.x());
assertEquals(objToSerialize.y(), objDeserialized.y());
}
static SuperStreamFields newPlainSuperStreamFields(String str, int[] x, int y) {
try {
Class<?> c = Class.forName("SuperStreamFieldsImpl", true, plainLoader);
var obj = (SuperStreamFields) c.getConstructor(String.class, int[].class, int.class)
.newInstance(str, x, y);
assert !obj.getClass().isRecord();
return obj;
} catch (ReflectiveOperationException e) {
throw new AssertionError(e);
}
}
static SuperStreamFields newRecordSuperStreamFields(String str, int[] x, int y) {
try {
Class<?> c = Class.forName("SuperStreamFieldsImpl", true, recordLoader);
var obj = (SuperStreamFields) c.getConstructor(String.class, int[].class, int.class)
.newInstance(str, x, y);
assert obj.getClass().isRecord();
return obj;
} catch (ReflectiveOperationException e) {
throw new AssertionError(e);
}
}
}
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