| /* |
| * Copyright (c) 2017, 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 8174073 |
| * @summary NPE caused by link reference to class |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * @library /tools/lib |
| * @build toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox |
| * @run main NPEDuplicateClassNamesTest |
| */ |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import toolbox.JavacTask; |
| import toolbox.Task; |
| import toolbox.TestRunner; |
| import toolbox.ToolBox; |
| |
| public class NPEDuplicateClassNamesTest extends TestRunner { |
| |
| public static void main(String... args) throws Exception { |
| NPEDuplicateClassNamesTest t = new NPEDuplicateClassNamesTest(); |
| t.runTests(); |
| } |
| |
| private final ToolBox tb = new ToolBox(); |
| private final String class1 = |
| "package com;\n" + |
| "/***/\n" + |
| "public class MyClass {}"; |
| private final String class2 = |
| "package com;\n" + |
| "/**\n" + |
| " * The following link tag causes a NullPointerException: {@link Requirements}. \n" + |
| " */\n" + |
| "public class MyClass {}"; |
| |
| NPEDuplicateClassNamesTest() throws IOException { |
| super(System.err); |
| } |
| |
| @Test |
| public void testDuplicateClassNames() throws IOException { |
| Path src = Paths.get("src"); |
| Path one = src.resolve("one"); |
| Path two = src.resolve("two"); |
| Path classes = Paths.get("classes"); |
| Files.createDirectories(classes); |
| tb.writeJavaFiles(one, class1); |
| tb.writeJavaFiles(two, class2); |
| |
| List<String> expected = Arrays.asList( |
| "MyClass.java:5:8: compiler.err.duplicate.class: com.MyClass", |
| "MyClass.java:3:65: compiler.err.proc.messager: reference not found", |
| "2 errors"); |
| List<String> output = new JavacTask(tb) |
| .outdir(classes) |
| .options("-XDrawDiagnostics", "-Xdoclint:all", "-XDdev") |
| .files(tb.findJavaFiles(src)) |
| .run(Task.Expect.FAIL) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| if (!Objects.equals(output, expected)) { |
| throw new IllegalStateException("incorrect output; actual=" + output + "; expected=" + expected); |
| } |
| } |
| } |