/*
* Copyright ( c ) 2010 , 2018 , 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 6917288
* @ summary Unnamed nested class is not generated
* @ modules jdk . compiler
*/
import java.io.*;
import java.util.*;
public class T6917288 {
// refers to kind of reference to an anon inner class that may be generated
enum Kind { NONE, FALSE , TRUE , ALWAYS };
public static void main(String... args) throws Exception {
new T6917288().run();
}
void run() throws Exception {
for (Kind k: Kind.values()) {
test(k);
}
if (errors > 0 )
throw new Exception(errors + " errors occurred" );
}
/**
* Run a test case for Kind k .
*/
void test(Kind k) throws Exception {
System.err.println("Test " + (++count) + ": " + k);
File testDir = new File("test" + count);
File srcDir = new File(testDir, "src" );
srcDir.mkdirs();
File classesDir = new File(testDir, "classes" );
classesDir.mkdirs();
List<String> opts = new ArrayList<String>();
opts.add("-d" );
opts.add(classesDir.getPath());
File f = writeFile(srcDir, k);
int rc = compile(opts, f);
if (rc != 0 ) {
error("compilation failed: rc=" + rc);
return ;
}
switch (k) {
case ALWAYS:
case TRUE :
check(classesDir, "Test.class" , "Test$Inner.class" , "Test$1.class" );
break ;
default :
check(classesDir, "Test.class" , "Test$Inner.class" );
}
}
/**
* Compile files with given options .
* Display any output from compiler , and return javac return code .
*/
int compile(List<String> opts, File... files) {
List<String> args = new ArrayList<String>();
args.addAll(opts);
for (File f: files)
args.add(f.getPath());
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
pw.close();
String out = sw.toString();
if (out.length() > 0 )
System.err.println(out);
return rc;
}
/**
* Check that a directory contains the expected files .
*/
void check(File dir, String... paths) {
Set<String> found = new TreeSet<String>(Arrays.asList(dir.list()));
Set<String> expect = new TreeSet<String>(Arrays.asList(paths));
if (found.equals(expect))
return ;
for (String f: found) {
if (!expect.contains(f))
error("Unexpected file found: " + f);
}
for (String e: expect) {
if (!found.contains(e))
error("Expected file not found: " + e);
}
}
/**
* Write source file for test case k .
*/
File writeFile(File dir, Kind k) throws Exception {
StringBuilder sb = new StringBuilder();
sb.append("public class Test {\n" );
sb.append(" private Inner inner;\n" );
// generate different cases of an anon inner class
if (k != Kind.NONE) {
sb.append(" private void m() {\n" );
sb.append(" " );
switch (k) {
case FALSE : case TRUE :
sb.append("if (" + k.toString().toLowerCase() + ") " );
}
sb.append("new Runnable() { public void run() { } };\n" );
sb.append(" }\n" );
}
sb.append(" private void init() {\n" );
sb.append(" inner = new Inner();\n" );
sb.append(" }\n" );
sb.append("\n" );
sb.append(" private static class Inner {\n" );
sb.append(" private Inner() {\n" );
sb.append(" }\n" );
sb.append(" }\n" );
sb.append("}\n" );
File f = new File(dir, "Test.java" );
FileWriter w = new FileWriter(f);
w.write(sb.toString());
w.close();
return f;
}
/**
* Record an error message .
*/
void error(String msg) {
System.err.println(msg);
errors++;
}
int count;
int errors;
}
Messung V0.5 in Prozent C=94 H=94 G=93
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-11)
¤
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