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/*
* @test MultiReleaseJars
* @summary Test multi-release jar with AppCDS.
* @requires vm.cds
* @library /test/lib
* @modules jdk.jartool/sun.tools.jar
* @run main/othervm/timeout=2400 MultiReleaseJars
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.io.IOException;
import jdk.test.lib.process.OutputAnalyzer;
public class MultiReleaseJars {
static final int MAJOR_VERSION = Runtime.version().major();
static final String MAJOR_VERSION_STRING = String.valueOf(MAJOR_VERSION);
static String[] getMain() {
String[] sts = {
"package version;",
"public class Main {",
" public static void main(String[] args) {",
" Version version = new Version();",
" System.out.println(\"I am running on version \" + version.getVersion());",
" }",
"}"
};
return sts;
}
static String[] getVersion(int version) {
String[] sts = {
"package version;",
"public class Version {",
" public int getVersion(){ return " + version + "; }",
"}"
};
return sts;
}
static void writeFile(File file, String... contents) throws Exception {
if (contents == null) {
throw new java.lang.RuntimeException("No input for writing to file" + file);
}
try (
FileOutputStream fos = new FileOutputStream(file);
PrintStream ps = new PrintStream(fos)
) {
for (String str : contents) {
ps.println(str);
}
}
}
/* version.jar entries and files:
* META-INF/
* META-INF/MANIFEST.MF
* version/
* version/Main.class
* version/Version.class
* META-INF/versions/
* META-INF/versions/<major-version>/
* META-INF/versions/<major-version>/version/
* META-INF/versions/<major-version>/version/Version.class
*/
static void createClassFilesAndJar() throws Exception {
String tempDir = System.getProperty("test.classes");
File baseDir = new File(tempDir + File.separator + "base");
File vDir = new File(tempDir + File.separator + MAJOR_VERSION_STRING);
baseDir.mkdirs();
vDir.mkdirs();
File fileMain = TestCommon.getOutputSourceFile("Main.java");
writeFile(fileMain, getMain());
File fileVersion = TestCommon.getOutputSourceFile("Version.java");
writeFile(fileVersion, getVersion(7));
JarBuilder.compile(baseDir.getAbsolutePath(), fileVersion.getAbsolutePath(), "--release", "7");
JarBuilder.compile(baseDir.getAbsolutePath(), fileMain.getAbsolutePath(),
"-cp", baseDir.getAbsolutePath(), "--release", MAJOR_VERSION_STRING);
String[] meta = {
"Multi-Release: true",
"Main-Class: version.Main"
};
File metainf = new File(tempDir, "mf.txt");
writeFile(metainf, meta);
fileVersion = TestCommon.getOutputSourceFile("Version.java");
writeFile(fileVersion, getVersion(MAJOR_VERSION));
JarBuilder.compile(vDir.getAbsolutePath(), fileVersion.getAbsolutePath(), "--release", MAJOR_VERSION_STRING);
JarBuilder.build("version", baseDir, metainf.getAbsolutePath(),
"--release", MAJOR_VERSION_STRING, "-C", vDir.getAbsolutePath(), ".");
// the following jar file is for testing case-insensitive "Multi-Release"
// attibute name
String[] meta2 = {
"multi-Release: true",
"Main-Class: version.Main"
};
metainf = new File(tempDir, "mf2.txt");
writeFile(metainf, meta2);
JarBuilder.build("version2", baseDir, metainf.getAbsolutePath(),
"--release", MAJOR_VERSION_STRING, "-C", vDir.getAbsolutePath(), ".");
}
static void checkExecOutput(OutputAnalyzer output, String expectedOutput) throws Exception {
try {
TestCommon.checkExec(output, expectedOutput);
} catch (java.lang.RuntimeException re) {
String cause = re.getMessage();
if (!expectedOutput.equals(cause)) {
throw re;
}
}
}
public static void main(String... args) throws Exception {
// create version.jar which contains Main.class and Version.class.
// Version.class has two versions: 8 and the current version.
createClassFilesAndJar();
String mainClass = "version.Main";
String loadInfo = "[class,load] version.Version source: shared objects file";
String appClasses[] = {"version/Main", "version/Version"};
String appJar = TestCommon.getTestJar("version.jar");
String appJar2 = TestCommon.getTestJar("version2.jar");
String enableMultiRelease = "-Djdk.util.jar.enableMultiRelease=true";
String jarVersion = null;
String expectedOutput = null;
// 1. default to highest version
// if META-INF/versions exists, no other commandline options like -Djdk.util.jar.version and
// -Djdk.util.jar.enableMultiRelease passed to vm
OutputAnalyzer output = TestCommon.dump(appJar, appClasses);
output.shouldContain("Loading classes to share: done.");
output.shouldHaveExitValue(0);
output = TestCommon.exec(appJar, mainClass);
checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
// 2. Test versions 7 and the current major version.
// -Djdk.util.jar.enableMultiRelease=true (or force), default is true.
// a) -Djdk.util.jar.version=7 does not exist in jar.
// It will fallback to the root version which is also 7 in this test.
// b) -Djdk.util.jar.version=MAJOR_VERSION exists in the jar.
for (int i : new int[] {7, MAJOR_VERSION}) {
jarVersion = "-Djdk.util.jar.version=" + i;
expectedOutput = "I am running on version " + i;
output = TestCommon.dump(appJar, appClasses, enableMultiRelease, jarVersion);
output.shouldContain("Loading classes to share: done.");
output.shouldHaveExitValue(0);
output = TestCommon.exec(appJar, mainClass);
checkExecOutput(output, expectedOutput);
}
// 3. For unsupported version, 5 and current major version + 1, the multiversion
// will be turned off, so it will use the default (root) version.
for (int i : new int[] {5, MAJOR_VERSION + 1}) {
jarVersion = "-Djdk.util.jar.version=" + i;
output = TestCommon.dump(appJar, appClasses, enableMultiRelease, jarVersion);
output.shouldHaveExitValue(0);
// With the fix for 8172218, multi-release jar is being handled in
// jdk corelib which doesn't emit the following warning message.
//output.shouldContain("JDK" + i + " is not supported in multiple version jars");
output = TestCommon.exec(appJar, mainClass);
if (i == 5)
checkExecOutput(output, "I am running on version 7");
else
checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
}
// 4. If explicitly disabled from command line for multiversion jar, it will use default
// version at root regardless multiversion versions exists.
// -Djdk.util.jar.enableMultiRelease=false (not 'true' or 'force')
for (int i = 6; i < MAJOR_VERSION + 1; i++) {
jarVersion = "-Djdk.util.jar.version=" + i;
output = TestCommon.dump(appJar, appClasses, "-Djdk.util.jar.enableMultiRelease=false", jarVersion);
output.shouldHaveExitValue(0);
output = TestCommon.exec(appJar, mainClass);
expectedOutput = "I am running on version 7";
checkExecOutput(output, expectedOutput);
}
// 5. Sanity test with -Xbootclasspath/a
// AppCDS behaves the same as the non-AppCDS case. A multi-release
// jar file in the -Xbootclasspath/a will be ignored.
output = TestCommon.dump(appJar, appClasses, "-Xbootclasspath/a:" + appJar, enableMultiRelease, jarVersion);
output.shouldContain("Loading classes to share: done.");
output.shouldHaveExitValue(0);
output = TestCommon.exec(appJar, "-Xbootclasspath/a:" + appJar, mainClass);
checkExecOutput(output, "I am running on version 7");
// 6. Sanity test case-insensitive "Multi-Release" attribute name
output = TestCommon.dump(appJar2, appClasses);
output.shouldContain("Loading classes to share: done.");
output.shouldHaveExitValue(0);
output = TestCommon.exec(appJar2, mainClass);
checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
}
}