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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 Test for subtype stream field value assign-ability
* @library /test/lib
* @modules jdk.compiler
* @compile AssignableFrom.java Point.java
* DefaultValues.java SuperStreamFields.java
* @run testng AssignableFromTest
*/
import java.math.BigDecimal;
import java.math.BigInteger;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static java.lang.System.out;
import static org.testng.Assert.assertEquals;
/**
* Basic test to check that stream field values that are not the exact
* declared param/field type, but assignable to a declared supertype,
* are bound/assigned correctly.
*/
public class AssignableFromTest extends AbstractTest {
@DataProvider(name = "plainInstances")
public Object[][] plainInstances() {
return new Object[][] {
new Object[] { newPlainAssignableFrom(Byte.valueOf((byte)11)) },
new Object[] { newPlainAssignableFrom(Short.valueOf((short)22)) },
new Object[] { newPlainAssignableFrom(Integer.valueOf(33)) },
new Object[] { newPlainAssignableFrom(Long.valueOf(44)) },
new Object[] { newPlainAssignableFrom(BigDecimal.valueOf(55)) },
new Object[] { newPlainAssignableFrom(BigInteger.valueOf(66)) },
};
}
/** Serialize non-record (plain) instances, deserialize as a record. */
@Test(dataProvider = "plainInstances")
public void testPlainToRecord(AssignableFrom objToSerialize) throws Exception {
assert !objToSerialize.getClass().isRecord();
out.println("serialize : " + objToSerialize);
byte[] bytes = serialize(objToSerialize);
AssignableFrom objDeserialized = deserializeAsRecord(bytes);
assert objDeserialized.getClass().isRecord();
out.println("deserialized: " + objDeserialized);
assertEquals(objToSerialize.number(), objDeserialized.number());
assertEquals(objDeserialized.number(), objToSerialize.number());
assertEquals(objDeserialized.number().getClass(), objDeserialized.number().getClass());
}
@DataProvider(name = "recordInstances")
public Object[][] recordInstances() {
return new Object[][] {
new Object[] { newRecordAssignableFrom(Byte.valueOf((byte)21)) },
new Object[] { newRecordAssignableFrom(Short.valueOf((short)32)) },
new Object[] { newRecordAssignableFrom(Integer.valueOf(43)) },
new Object[] { newRecordAssignableFrom(Long.valueOf(54)) },
new Object[] { newRecordAssignableFrom(BigDecimal.valueOf(65)) },
new Object[] { newRecordAssignableFrom(BigInteger.valueOf(76)) },
};
}
/** Serialize record instances, deserialize as non-record (plain). */
@Test(dataProvider = "recordInstances")
public void testRecordToPlain(AssignableFrom objToSerialize) throws Exception {
assert objToSerialize.getClass().isRecord();
out.println("serialize : " + objToSerialize);
byte[] bytes = serialize(objToSerialize);
AssignableFrom objDeserialized = deserializeAsPlain(bytes);
assert !objDeserialized.getClass().isRecord();
out.println("deserialized: " + objDeserialized);
assertEquals(objToSerialize.number(), objDeserialized.number());
assertEquals(objDeserialized.number(), objToSerialize.number());
assertEquals(objDeserialized.number().getClass(), objDeserialized.number().getClass());
}
static AssignableFrom newPlainAssignableFrom(Number number) {
try {
Class<?> c = Class.forName("AssignableFromImpl", true, plainLoader);
var obj = (AssignableFrom) c.getConstructor(Number.class).newInstance(number);
assert !obj.getClass().isRecord();
return obj;
} catch (ReflectiveOperationException e) {
throw new AssertionError(e);
}
}
static AssignableFrom newRecordAssignableFrom(Number number) {
try {
Class<?> c = Class.forName("AssignableFromImpl", true, recordLoader);
var obj = (AssignableFrom) c.getConstructor(Number.class).newInstance(number);
assert obj.getClass().isRecord();
return obj;
} catch (ReflectiveOperationException e) {
throw new AssertionError(e);
}
}
}
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