153 lines
4.2 KiB
Java
153 lines
4.2 KiB
Java
/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8003639
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* @summary convert lambda testng tests to jtreg and add them
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* @run testng MethodReferenceTestFDCCE
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*/
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import org.testng.annotations.Test;
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import java.lang.reflect.Array;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.fail;
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/**
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* Method references and raw types.
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* @author Robert Field
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*/
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@Test
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@SuppressWarnings({"rawtypes", "unchecked"})
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public class MethodReferenceTestFDCCE {
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static void assertCCE(Throwable t) {
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assertEquals(t.getClass().getName(), "java.lang.ClassCastException");
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}
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interface Pred<T> { boolean accept(T x); }
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interface Ps { boolean accept(short x); }
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interface Oo { Object too(int x); }
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interface Reto<T> { T m(); }
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class A {}
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class B extends A {}
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static boolean isMinor(int x) {
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return x < 18;
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}
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static boolean tst(A x) {
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return true;
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}
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static Object otst(Object x) {
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return x;
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}
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static boolean stst(Short x) {
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return x < 18;
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}
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static short ritst() {
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return 123;
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}
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public void testMethodReferenceFDPrim1() {
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Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
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Pred p2 = p;
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assertTrue(p2.accept((Byte)(byte)15));
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}
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public void testMethodReferenceFDPrim2() {
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Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
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Pred p2 = p;
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assertTrue(p2.accept((byte)15));
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}
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public void testMethodReferenceFDPrimICCE() {
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Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
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Pred p2 = p;
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try {
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p2.accept(15); // should throw CCE
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fail("Exception should have been thrown");
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} catch (Throwable t) {
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assertCCE(t);
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}
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}
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public void testMethodReferenceFDPrimOCCE() {
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Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
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Pred p2 = p;
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try {
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p2.accept(new Object()); // should throw CCE
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fail("Exception should have been thrown");
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} catch (Throwable t) {
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assertCCE(t);
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}
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}
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public void testMethodReferenceFDRef() {
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Pred<B> p = MethodReferenceTestFDCCE::tst;
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Pred p2 = p;
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assertTrue(p2.accept(new B()));
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}
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public void testMethodReferenceFDRefCCE() {
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Pred<B> p = MethodReferenceTestFDCCE::tst;
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Pred p2 = p;
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try {
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p2.accept(new A()); // should throw CCE
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fail("Exception should have been thrown");
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} catch (Throwable t) {
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assertCCE(t);
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}
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}
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public void testMethodReferenceFDPrimPrim() {
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Ps p = MethodReferenceTestFDCCE::isMinor;
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assertTrue(p.accept((byte)15));
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}
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public void testMethodReferenceFDPrimBoxed() {
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Ps p = MethodReferenceTestFDCCE::stst;
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assertTrue(p.accept((byte)15));
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}
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public void testMethodReferenceFDPrimRef() {
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Oo p = MethodReferenceTestFDCCE::otst;
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assertEquals(p.too(15).getClass().getName(), "java.lang.Integer");
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}
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public void testMethodReferenceFDRet1() {
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Reto<Short> p = MethodReferenceTestFDCCE::ritst;
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assertEquals(p.m(), (Short)(short)123);
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}
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}
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