diff -r abc3eaccba73 -r 864dafc5ab7a test/tools/javac/T8019486/WrongLVTForLambdaTest.java --- a/test/tools/javac/T8019486/WrongLVTForLambdaTest.java Wed Oct 23 23:02:17 2013 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* - * Copyright (c) 2013, 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. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * 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 8019486 - * @summary javac, generates erroneous LVT for a test case with lambda code - * @library /tools/javac/lib - * @build ToolBox - * @run main WrongLVTForLambdaTest - */ - -import java.io.File; -import java.nio.file.Paths; - -import com.sun.tools.classfile.ClassFile; -import com.sun.tools.classfile.Code_attribute; -import com.sun.tools.classfile.LineNumberTable_attribute; -import com.sun.tools.classfile.Method; -import com.sun.tools.javac.util.Assert; - -public class WrongLVTForLambdaTest { - - static final String testSource = - /* 01 */ "import java.util.List;\n" + - /* 02 */ "import java.util.Arrays;\n" + - /* 03 */ "import java.util.stream.Collectors;\n" + - /* 04 */ "\n" + - /* 05 */ "public class Foo {\n" + - /* 06 */ " void bar(int value) {\n" + - /* 07 */ " final List numbers = Arrays.asList(1, 2, 3);\n" + - /* 08 */ " final List numbersPlusOne = \n" + - /* 09 */ " numbers.stream().map(number -> number / 1).collect(Collectors.toList());\n" + - /* 10 */ " }\n" + - /* 11 */ "}"; - - static final int[][] expectedLNT = { - // {line-number, start-pc}, - {9, 0}, //number -> number / 1 - }; - - public static void main(String[] args) throws Exception { - new WrongLVTForLambdaTest().run(); - } - - void run() throws Exception { - compileTestClass(); - checkClassFile(new File(Paths.get(System.getProperty("user.dir"), - "Foo.class").toUri())); - } - - void compileTestClass() throws Exception { - ToolBox.JavaToolArgs javacSuccessArgs = - new ToolBox.JavaToolArgs().setSources(testSource); - ToolBox.javac(javacSuccessArgs); - } - - void checkClassFile(final File cfile) throws Exception { - ClassFile classFile = ClassFile.read(cfile); - int methodsFound = 0; - for (Method method : classFile.methods) { - if (method.getName(classFile.constant_pool).startsWith("lambda$")) { - ++methodsFound; - Code_attribute code = (Code_attribute) method.attributes.get("Code"); - LineNumberTable_attribute lnt = - (LineNumberTable_attribute) code.attributes.get("LineNumberTable"); - Assert.check(lnt.line_number_table_length == expectedLNT.length, - "The LineNumberTable found has a length different to the expected one"); - int i = 0; - for (LineNumberTable_attribute.Entry entry: lnt.line_number_table) { - Assert.check(entry.line_number == expectedLNT[i][0] && - entry.start_pc == expectedLNT[i][1], - "LNT entry at pos " + i + " differ from expected." + - "Found " + entry.line_number + ":" + entry.start_pc + - ". Expected " + expectedLNT[i][0] + ":" + expectedLNT[i][1]); - i++; - } - } - } - Assert.check(methodsFound == 1, "Expected to find one lambda method, found " + methodsFound); - } - - void error(String msg) { - throw new AssertionError(msg); - } - -}