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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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.
* @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;
}
}
}