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/*
* Copyright (c) 2012, 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 8003639
* @summary convert lambda testng tests to jtreg and add them
* @run testng MethodReferenceTestFDCCE
*/
import org.testng.annotations.Test;
import java.lang.reflect.Array;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
/**
* Method references and raw types.
* @author Robert Field
*/
@Test
@SuppressWarnings({"rawtypes", "unchecked"})
public class MethodReferenceTestFDCCE {
static void assertCCE(Throwable t) {
assertEquals(t.getClass().getName(), "java.lang.ClassCastException");
}
interface Pred<T> { boolean accept(T x); }
interface Ps { boolean accept(short x); }
interface Oo { Object too(int x); }
interface Reto<T> { T m(); }
class A {}
class B extends A {}
static boolean isMinor(int x) {
return x < 18;
}
static boolean tst(A x) {
return true;
}
static Object otst(Object x) {
return x;
}
static boolean stst(Short x) {
return x < 18;
}
static short ritst() {
return 123;
}
public void testMethodReferenceFDPrim1() {
Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
Pred p2 = p;
assertTrue(p2.accept((Byte)(byte)15));
}
public void testMethodReferenceFDPrim2() {
Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
Pred p2 = p;
assertTrue(p2.accept((byte)15));
}
public void testMethodReferenceFDPrimICCE() {
Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
Pred p2 = p;
try {
p2.accept(15); // should throw CCE
fail("Exception should have been thrown");
} catch (Throwable t) {
assertCCE(t);
}
}
public void testMethodReferenceFDPrimOCCE() {
Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
Pred p2 = p;
try {
p2.accept(new Object()); // should throw CCE
fail("Exception should have been thrown");
} catch (Throwable t) {
assertCCE(t);
}
}
public void testMethodReferenceFDRef() {
Pred<B> p = MethodReferenceTestFDCCE::tst;
Pred p2 = p;
assertTrue(p2.accept(new B()));
}
public void testMethodReferenceFDRefCCE() {
Pred<B> p = MethodReferenceTestFDCCE::tst;
Pred p2 = p;
try {
p2.accept(new A()); // should throw CCE
fail("Exception should have been thrown");
} catch (Throwable t) {
assertCCE(t);
}
}
public void testMethodReferenceFDPrimPrim() {
Ps p = MethodReferenceTestFDCCE::isMinor;
assertTrue(p.accept((byte)15));
}
public void testMethodReferenceFDPrimBoxed() {
Ps p = MethodReferenceTestFDCCE::stst;
assertTrue(p.accept((byte)15));
}
public void testMethodReferenceFDPrimRef() {
Oo p = MethodReferenceTestFDCCE::otst;
assertEquals(p.too(15).getClass().getName(), "java.lang.Integer");
}
public void testMethodReferenceFDRet1() {
Reto<Short> p = MethodReferenceTestFDCCE::ritst;
assertEquals(p.m(), (Short)(short)123);
}
}
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