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* Copyright ( c ) 2014 , 2015 , 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
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/**
* @ test
* @ bug 8067437
* @ summary Verify Multiple JRE version support has been removed .
* @ modules jdk . compiler
* jdk . zipfs
* @ build TestHelper
* @ run main MultipleJRERemoved
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.util.*;
import java.util.jar.Attributes;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.zip.ZipEntry;
public class MultipleJRERemoved extends TestHelper {
public static final String VERSION_JAR = "version.jar" ;
public static final String PRINT_VERSION_CLASS = "PrintVersion" ;
private final File javaFile = new File(PRINT_VERSION_CLASS + ".java" );
private final File clsFile = new File(PRINT_VERSION_CLASS + ".class" );
private MultipleJRERemoved() {
}
/**
* @ param args the command line arguments
* @ throws java . io . FileNotFoundException
*/
public static void main(String[] args) throws Exception {
MultipleJRERemoved a = new MultipleJRERemoved();
a.run(args);
}
/**
* Check all combinations of flags : " - version : " , " - jre - restrict - search " , " - jre - no - restrict - search " . Test expects to see errors .
*/
@Test
public void allFlagCombinations() throws IOException {
final Pattern newLine = Pattern.compile("\n" );
createJar(Collections.emptyMap());
for (Flag flag1 : Flag.values()) {
for (Flag flag2 : Flag.values()) {
for (Flag flag3 : Flag.values()) {
List<Flag> flags = Stream.of(flag1, flag2, flag3)
.filter(f -> !Flag.EMPTY.equals(f))
.collect(Collectors.toList());
if (flags.size() == 0 ) continue ;
List<String> flagValues = flags.stream()
.map(Flag::value)
.collect(Collectors.toList());
List<String> errorMessages = flags.stream()
.map(Flag::errorMessage)
.flatMap(newLine::splitAsStream)
.collect(Collectors.toList());
List<String> jarCmd = new ArrayList<>();
jarCmd.add(javaCmd);
jarCmd.addAll(flagValues);
jarCmd.add("-jar" );
jarCmd.add("version.jar" );
check(jarCmd, errorMessages);
List<String> cmd = new ArrayList<>();
cmd.add(javaCmd);
cmd.addAll(flagValues);
cmd.add(PRINT_VERSION_CLASS);
check(cmd, errorMessages);
}
}
}
}
private void check(List<String> cmd, List<String> errorMessages) {
TestResult tr = doExec(cmd.toArray(new String[cmd.size()]));
tr.checkNegative();
tr.isNotZeroOutput();
errorMessages.forEach(tr::contains);
if (!tr.testStatus) {
System.out.println(tr);
throw new RuntimeException("test case: failed\n" + cmd);
}
}
/**
* Verifies that java - help output doesn ' t contain information about " mJRE " flags .
*/
@Test
public void javaHelp() {
TestResult tr = doExec(javaCmd, "-help" );
tr.checkPositive();
tr.isNotZeroOutput();
tr.notContains("-version:<value>" );
tr.notContains("-jre-restrict-search" );
tr.notContains("-jre-no-restrict-search" );
tr.notContains("-no-jre-restrict-search" ); //it's not a typo in flag name.
if (!tr.testStatus) {
System.out.println(tr);
throw new RuntimeException("Failed. java -help output contains obsolete flags.\n" );
}
}
/**
* Verifies that java - jar version . jar output ignores " mJRE " manifest directives .
*/
@Test
public void manifestDirectives() throws IOException {
Map<String, String> manifest = new TreeMap<>();
manifest.put("JRE-Version" , "1.8" );
manifest.put("JRE-Restrict-Search" , "1.8" );
createJar(manifest);
TestResult tr = doExec(javaCmd, "-jar" , VERSION_JAR);
tr.checkPositive();
tr.contains(System.getProperty("java.version" ));
if (!tr.testStatus) {
System.out.println(tr);
throw new RuntimeException("Failed.\n" );
}
}
private void emitFile() throws IOException {
List<String> scr = new ArrayList<>();
scr.add("public class PrintVersion {" );
scr.add(" public static void main(String... args) {" );
scr.add(" System.out.println(System.getProperty(\" java.version\"));" );
scr.add(" }" );
scr.add("}" );
createFile(javaFile, scr);
compile(javaFile.getName());
}
private void createJar(Map<String, String> manifestAttributes) throws IOException {
emitFile();
Manifest manifest = new Manifest();
final Attributes mainAttributes = manifest.getMainAttributes();
mainAttributes.putValue("Manifest-Version" , "1.0" );
mainAttributes.putValue("Main-Class" , PRINT_VERSION_CLASS);
manifestAttributes.forEach(mainAttributes::putValue);
try (JarOutputStream jar = new JarOutputStream(new FileOutputStream(VERSION_JAR), manifest)) {
jar.putNextEntry(new ZipEntry(PRINT_VERSION_CLASS + ".class" ));
jar.write(Files.readAllBytes(clsFile.toPath()));
jar.closeEntry();
} finally {
javaFile.delete ();
}
}
private enum Flag {
EMPTY("" , "" ),
VERSION("-version:1.9" , "Error: Specifying an alternate JDK/JRE version is no longer supported.\n" +
"The use of the flag '-version:' is no longer valid.\n" +
"Please download and execute the appropriate version." ),
JRE_RESTRICT_SEARCH("-jre-restrict-search" , "Error: Specifying an alternate JDK/JRE is no longer supported.\n" +
"The related flags -jre-restrict-search | -jre-no-restrict-search are also no longer valid." ),
JRE_NO_RESTRICT_SEARCH("-jre-no-restrict-search" , "Error: Specifying an alternate JDK/JRE is no longer supported.\n" +
"The related flags -jre-restrict-search | -jre-no-restrict-search are also no longer valid." );
private final String flag;
private final String errorMessage;
Flag(String flag, String errorMessage) {
this .flag = flag;
this .errorMessage = errorMessage;
}
String value() {
return flag;
}
String errorMessage() {
return errorMessage;
}
}
}
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