/* * 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. */ import org.testng.annotations.Test; import static org.testng.Assert.assertEquals; /** * @author Robert Field */ @Test public class MethodReferenceTestKinds extends MethodReferenceTestKindsSup { interface S0 { String get(); } interface S1 { String get(MethodReferenceTestKinds x); } interface S2 { String get(MethodReferenceTestKinds x, MethodReferenceTestKinds y); } interface SXN0 { MethodReferenceTestKindsBase make(MethodReferenceTestKinds x); } interface SXN1 { MethodReferenceTestKindsBase make(MethodReferenceTestKinds x, String str); } interface SN0 { MethodReferenceTestKindsBase make(); } interface SN1 { MethodReferenceTestKindsBase make(String x); } class In extends MethodReferenceTestKindsBase { In(String val) { this.val = val; } In() { this("blank"); } } String instanceMethod0() { return "IM:0-" + this; } String instanceMethod1(MethodReferenceTestKinds x) { return "IM:1-" + this + x; } static String staticMethod0() { return "SM:0"; } static String staticMethod1(MethodReferenceTestKinds x) { return "SM:1-" + x; } MethodReferenceTestKinds(String val) { super(val); } MethodReferenceTestKinds() { super("blank"); } MethodReferenceTestKinds inst(String val) { return new MethodReferenceTestKinds(val); } public void testMRBound() { S0 var = this::instanceMethod0; assertEquals(var.get(), "IM:0-MethodReferenceTestKinds(blank)"); } public void testMRBoundArg() { S1 var = this::instanceMethod1; assertEquals(var.get(inst("arg")), "IM:1-MethodReferenceTestKinds(blank)MethodReferenceTestKinds(arg)"); } public void testMRUnbound() { S1 var = MethodReferenceTestKinds::instanceMethod0; assertEquals(var.get(inst("rcvr")), "IM:0-MethodReferenceTestKinds(rcvr)"); } public void testMRUnboundArg() { S2 var = MethodReferenceTestKinds::instanceMethod1; assertEquals(var.get(inst("rcvr"), inst("arg")), "IM:1-MethodReferenceTestKinds(rcvr)MethodReferenceTestKinds(arg)"); } public void testMRSuper() { S0 var = super::instanceMethod0; assertEquals(var.get(), "SIM:0-MethodReferenceTestKinds(blank)"); } public void testMRSuperArg() { S1 var = super::instanceMethod1; assertEquals(var.get(inst("arg")), "SIM:1-MethodReferenceTestKinds(blank)MethodReferenceTestKinds(arg)"); } public void testMRStatic() { S0 var = MethodReferenceTestKinds::staticMethod0; assertEquals(var.get(), "SM:0"); } public void testMRStaticArg() { S1 var = MethodReferenceTestKinds::staticMethod1; assertEquals(var.get(inst("arg")), "SM:1-MethodReferenceTestKinds(arg)"); } public void testMRTopLevel() { SN0 var = MethodReferenceTestKindsBase::new; assertEquals(var.make().toString(), "MethodReferenceTestKindsBase(blank)"); } public void testMRTopLevelArg() { SN1 var = MethodReferenceTestKindsBase::new; assertEquals(var.make("name").toString(), "MethodReferenceTestKindsBase(name)"); } /* unbound inner case not supported anymore (dropped by EG) public void testMRUnboundInner() { SXN0 var = MethodReferenceTestKinds.In::new; assertEquals(var.make(inst("out")).toString(), "In(blank)"); } public void testMRUnboundInnerArg() { SXN1 var = MethodReferenceTestKinds.In::new; assertEquals(var.make(inst("out"), "name").toString(), "In(name)"); } */ public void testMRImplicitInner() { SN0 var = MethodReferenceTestKinds.In::new; assertEquals(var.make().toString(), "In(blank)"); } public void testMRImplicitInnerArg() { SN1 var = MethodReferenceTestKinds.In::new; assertEquals(var.make("name").toString(), "In(name)"); } } class MethodReferenceTestKindsBase { String val = "unset"; public String toString() { return getClass().getSimpleName() + "(" + val + ")"; } MethodReferenceTestKindsBase(String val) { this.val = val; } MethodReferenceTestKindsBase() { this("blank"); } } class MethodReferenceTestKindsSup extends MethodReferenceTestKindsBase { String instanceMethod0() { return "SIM:0-" + this; } String instanceMethod1(MethodReferenceTestKinds x) { return "SIM:1-" + this + x; } MethodReferenceTestKindsSup(String val) { super(val); } }