1/* 2 * Copyright (c) 2013, 2016, 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 4263768 4785453 27 * @summary Verify that the compiler does not crash when java.lang is not available 28 * @library /tools/lib 29 * @modules jdk.compiler/com.sun.tools.javac.api 30 * jdk.compiler/com.sun.tools.javac.main 31 * @build toolbox.ToolBox toolbox.JavacTask 32 * @run main NoJavaLangTest 33 */ 34 35import java.nio.file.*; 36 37import toolbox.JavacTask; 38import toolbox.Task; 39import toolbox.ToolBox; 40 41public class NoJavaLangTest { 42 43 private static final String noJavaLangSrc = 44 "public class NoJavaLang {\n" + 45 " private String s;\n" + 46 "\n" + 47 " public String s() {\n" + 48 " return s;\n" + 49 " }\n" + 50 "}"; 51 52 private static final String compilerErrorMessage = 53 "Fatal Error: Unable to find package java.lang in classpath or bootclasspath"; 54 55 public static void main(String[] args) throws Exception { 56 new NoJavaLangTest().run(); 57 } 58 59 final ToolBox tb = new ToolBox(); 60 61 void run() throws Exception { 62 testStandard(); 63 testBootClassPath(); 64 testModulePath(); 65 } 66 67 // sanity check, with java.lang available 68 void testStandard() { 69 new JavacTask(tb) 70 .sources(noJavaLangSrc) 71 .run(); 72 } 73 74 75 // test with bootclasspath, for as long as its around 76 void testBootClassPath() { 77 String[] bcpOpts = { "-Xlint:-options", "-source", "8", "-bootclasspath", ".", "-classpath", "." }; 78 test(bcpOpts, compilerErrorMessage); 79 } 80 81 // test with module path 82 void testModulePath() throws Exception { 83 // need to ensure there is an empty java.base to avoid different error message 84 Files.createDirectories(Paths.get("modules/java.base")); 85 new JavacTask(tb) 86 .sources("module java.base { }", 87 "package java.lang; public class Object {}") 88 .outdir("modules/java.base") 89 .run(); 90 91 Files.delete(Paths.get("modules", "java.base", "java", "lang", "Object.class")); 92 93 // ideally we'd have a better message for this case 94 String[] mpOpts = { "--system", "none", "--module-path", "modules" }; 95 test(mpOpts, compilerErrorMessage); 96 } 97 98 private void test(String[] options, String expect) { 99 System.err.println("Testing " + java.util.Arrays.toString(options)); 100 101 String out = new JavacTask(tb) 102 .options(options) 103 .sources(noJavaLangSrc) 104 .run(Task.Expect.FAIL, 3) 105 .writeAll() 106 .getOutput(Task.OutputKind.DIRECT); 107 108 if (!out.trim().equals(expect)) { 109 throw new AssertionError("javac generated error output is not correct"); 110 } 111 112 System.err.println("OK"); 113 } 114 115} 116