1 /* 2 * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8331462 27 * @summary [lworld] javac is setting the ACC_STRICT flag for value-based classes 28 * @library /tools/lib 29 * @modules 30 * jdk.compiler/com.sun.tools.javac.code 31 * jdk.compiler/com.sun.tools.javac.util 32 * jdk.compiler/com.sun.tools.javac.api 33 * jdk.compiler/com.sun.tools.javac.file 34 * jdk.compiler/com.sun.tools.javac.main 35 * @build toolbox.ToolBox toolbox.JavacTask 36 * @run main ValueBasedFlagsTest 37 */ 38 39 import java.lang.classfile.ClassFile; 40 import java.nio.file.Path; 41 import java.nio.file.Paths; 42 43 import com.sun.tools.javac.code.Flags; 44 import com.sun.tools.javac.util.Assert; 45 46 import toolbox.TestRunner; 47 import toolbox.ToolBox; 48 import toolbox.JavacTask; 49 import toolbox.Task; 50 51 public class ValueBasedFlagsTest extends TestRunner { 52 ToolBox tb = new ToolBox(); 53 54 public ValueBasedFlagsTest() { 55 super(System.err); 56 } 57 58 protected void runTests() throws Exception { 59 runTests(m -> new Object[] { Paths.get(m.getName()) }); 60 } 61 62 Path[] findJavaFiles(Path... paths) throws Exception { 63 return tb.findJavaFiles(paths); 64 } 65 66 public static void main(String... args) throws Exception { 67 new ValueBasedFlagsTest().runTests(); 68 } 69 70 @Test 71 public void testValueBased(Path base) throws Exception { 72 Path src = base.resolve("src"); 73 tb.writeJavaFiles(src, 74 """ 75 package java.lang; 76 @jdk.internal.ValueBased 77 final class ValueBasedTest {} 78 """); 79 Path classes = base.resolve("classes"); 80 tb.createDirectories(classes); 81 82 new toolbox.JavacTask(tb) 83 .options("--patch-module", "java.base=" + src.toString(), 84 "--enable-preview", "-source", Integer.toString(Runtime.version().feature())) 85 .outdir(classes) 86 .files(findJavaFiles(src)) 87 .run() 88 .writeAll(); 89 Path classFilePath = classes.resolve("java", "lang", "ValueBasedTest.class"); 90 var classFile = ClassFile.of().parse(classFilePath); 91 Assert.check((classFile.flags().flagsMask() & Flags.ACC_STRICT) == 0); 92 } 93 }