| /* |
| * Copyright (c) 2016, 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 8144168 8148432 |
| * @summary No type annotations generated for nested lambdas |
| * @library /tools/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.jdeps/com.sun.tools.javap |
| * @build ToolBox |
| * @run compile -g NestedLambdasCastedTest.java |
| * @run main NestedLambdasCastedTest |
| */ |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Target; |
| |
| public class NestedLambdasCastedTest { |
| |
| // Expected output can't be directly encoded into NestedLambdasCastedTest !!! |
| static class ExpectedOutputHolder { |
| public String [] outputs = { |
| "public static strictfp void main(java.lang.String[])", |
| "private static strictfp void lambda$main$3();", |
| "private static strictfp void lambda$main$2();", |
| "private static strictfp void lambda$main$1();", |
| "private static strictfp void lambda$main$0();", |
| "0: #63(#64=s#65): CAST, offset=5, type_index=0", |
| "0: #63(#64=s#70): CAST, offset=5, type_index=0", |
| "0: #63(#64=s#73): CAST, offset=5, type_index=0", |
| "0: #63(#64=s#76): CAST, offset=5, type_index=0" |
| }; |
| } |
| |
| @Target(ElementType.TYPE_USE) |
| public @interface TA { |
| String value() default ""; |
| }; |
| |
| public static strictfp void main(String args[]) throws Exception { |
| Runnable one = (@TA("1") Runnable) () -> { |
| Runnable two = (@TA("2") Runnable) () -> { |
| Runnable three = (@TA("3") Runnable) () -> { |
| Runnable four = (@TA("4") Runnable) () -> { |
| }; |
| }; |
| }; |
| }; |
| ToolBox tb = new ToolBox(); |
| Path classPath = Paths.get(ToolBox.testClasses, "NestedLambdasCastedTest.class"); |
| String javapOut = tb.new JavapTask() |
| .options("-v", "-p") |
| .classes(classPath.toString()) |
| .run() |
| .getOutput(ToolBox.OutputKind.DIRECT); |
| ExpectedOutputHolder holder = new ExpectedOutputHolder(); |
| for (String s : holder.outputs) { |
| if (!javapOut.contains(s)) |
| throw new AssertionError("Expected type annotation on LOCAL_VARIABLE missing"); |
| } |
| } |
| } |