| /* |
| * Copyright (c) 2011, 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 7031005 |
| * @summary javap prints "extends java.lang.Object" |
| * @modules jdk.jdeps/com.sun.tools.javap |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.net.URI; |
| import java.util.Arrays; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaCompiler.CompilationTask; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.StandardLocation; |
| import javax.tools.ToolProvider; |
| |
| public class TestSuperclass { |
| enum ClassKind { |
| CLASS("class"), |
| INTERFACE("interface"); |
| ClassKind(String keyword) { |
| this.keyword = keyword; |
| } |
| final String keyword; |
| } |
| |
| enum GenericKind { |
| NO(""), |
| YES("<T>"); |
| GenericKind(String typarams) { |
| this.typarams = typarams; |
| } |
| final String typarams; |
| } |
| |
| enum SuperKind { |
| NONE(null), |
| SUPER("Super"); |
| SuperKind(String name) { |
| this.name = name; |
| } |
| String extend() { |
| return (name == null) ? "" : "extends " + name; |
| } |
| String decl(ClassKind ck) { |
| return (name == null) ? "" : ck.keyword + " " + name + " { }"; |
| } |
| final String name; |
| } |
| |
| public static void main(String... args) throws Exception { |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) { |
| int errors = 0; |
| |
| for (ClassKind ck: ClassKind.values()) { |
| for (GenericKind gk: GenericKind.values()) { |
| for (SuperKind sk: SuperKind.values()) { |
| errors += new TestSuperclass(ck, gk, sk).run(comp, fm); |
| } |
| } |
| } |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors found"); |
| } |
| } |
| |
| final ClassKind ck; |
| final GenericKind gk; |
| final SuperKind sk; |
| |
| TestSuperclass(ClassKind ck, GenericKind gk, SuperKind sk) { |
| this.ck = ck; |
| this.gk = gk; |
| this.sk = sk; |
| } |
| |
| int run(JavaCompiler comp, StandardJavaFileManager fm) throws IOException { |
| System.err.println("test: ck:" + ck + " gk:" + gk + " sk:" + sk); |
| File testDir = new File(ck + "-" + gk + "-" + sk); |
| testDir.mkdirs(); |
| fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(testDir)); |
| |
| JavaSource js = new JavaSource(); |
| System.err.println(js.getCharContent(false)); |
| CompilationTask t = comp.getTask(null, fm, null, null, null, Arrays.asList(js)); |
| if (!t.call()) |
| throw new Error("compilation failed"); |
| |
| File testClass = new File(testDir, "Test.class"); |
| String out = javap(testClass); |
| |
| // Extract class sig from first line of Java source |
| String expect = js.source.replaceAll("(?s)^(.* Test[^{]+?) *\\{.*", "$1"); |
| |
| // Extract class sig from line from javap output |
| String found = out.replaceAll("(?s).*\n(.* Test[^{]+?) *\\{.*", "$1"); |
| |
| checkEqual("class signature", expect, found); |
| |
| return errors; |
| } |
| |
| String javap(File file) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| String[] args = { file.getPath() }; |
| int rc = com.sun.tools.javap.Main.run(args, pw); |
| pw.close(); |
| String out = sw.toString(); |
| if (!out.isEmpty()) |
| System.err.println(out); |
| if (rc != 0) |
| throw new Error("javap failed: rc=" + rc); |
| return out; |
| } |
| |
| void checkEqual(String label, String expect, String found) { |
| if (!expect.equals(found)) |
| error("Unexpected " + label + " found: '" + found + "', expected: '" + expect + "'"); |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| int errors; |
| |
| class JavaSource extends SimpleJavaFileObject { |
| static final String template = |
| "#CK Test#GK #EK { }\n" |
| + "#SK\n"; |
| final String source; |
| |
| public JavaSource() { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| source = template |
| .replace("#CK", ck.keyword) |
| .replace("#GK", gk.typarams) |
| .replace("#EK", sk.extend()) |
| .replace("#SK", sk.decl(ck)); |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| } |
| |
| } |