diff a/test/langtools/tools/javac/reflect/BridgeTest.java b/test/langtools/tools/javac/reflect/BridgeTest.java --- /dev/null +++ b/test/langtools/tools/javac/reflect/BridgeTest.java @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2026, 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 java.lang.reflect.Method; + import java.util.Arrays; + import jdk.incubator.code.Reflect; + +/* + * @test + * @summary Verify reflected bridge generation + * @modules jdk.incubator.code + * @build BridgeTest + * @build CodeReflectionTester + * @run main BridgeTest + * @run main CodeReflectionTester BridgeTest$StringValue + */ +public class BridgeTest { + + interface Value { + T value(); + } + + static final class StringValue implements Value { + @Override + @Reflect + @IR(""" + func @"value" (%0 : java.type:"BridgeTest$StringValue")java.type:"java.lang.String" -> { + %1 : java.type:"java.lang.String" = constant @"string value"; + return %1; + }; + """) + public String value() { + return "string value"; + } + } + + public static void main(String[] args) throws Exception { + var val = new StringValue().value(); + if (!"string value".equals(val)) { + throw new AssertionError("Unexpected bridge invocation result: " + val); + } + Method bridge = Arrays.stream(StringValue.class.getDeclaredMethods()) + .filter(Method::isBridge) + .findFirst() + .orElseThrow(); + if (bridge.getReturnType() != Object.class) { + throw new AssertionError("Unexpected bridge return type: " + bridge.getReturnType()); + } + } +}