Mercurial > hg > Members > kono > jpf-core
view src/tests/java8/DefaultMethodTest.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
---|---|
date | Fri, 23 Jan 2015 10:14:01 -0800 |
parents | |
children | 9fea3d8da9aa |
line wrap: on
line source
/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed under the * Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package java8; import gov.nasa.jpf.util.test.TestJPF; import gov.nasa.jpf.vm.Verify; import org.junit.Test; /** * regression test for Java 8 default methods */ public class DefaultMethodTest extends TestJPF { //------------------------------------------ non-ambiguous recursive lookup interface A1 { default int getValue(){ return 42; } } interface B1 extends A1 { // nothing } static class C1 implements A1 { // nothing } static class D1 extends C1 { // nothing } @Test public void testSingleMethod (){ if (verifyNoPropertyViolation()){ D1 o = new D1(); int result = o.getValue(); System.out.println(result); assertTrue (result == 42); } } //------------------------------------------ ambiguity resolution interface B2 { default int getValue(){ return 3; } } static class D2 implements A1, B2 { @Override public int getValue(){ return A1.super.getValue() + B2.super.getValue(); } } @Test public void testExplicitDelegation (){ if (verifyNoPropertyViolation()){ D2 o = new D2(); int result = o.getValue(); System.out.println(result); assertTrue (result == 45); } } // <2do> how to test IncompatibleClassChangeError without explicit classfile restore? }