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/*
* @test
* @summary Testing use of UseAppCDS flag
* @requires vm.cds
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* jdk.jartool/sun.tools.jar
* @build UseAppCDS_Test
* @run main UseAppCDS
*/
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.util.ArrayList;
import java.util.List;
import java.io.*;
public class UseAppCDS {
// Class UseAppCDS_Test is loaded by the App loader
static final String TEST_OUT = "UseAppCDS_Test.main--executed";
private static final String TESTJAR = "./test.jar";
private static final String TESTNAME = "UseAppCDS_Test";
private static final String TESTCLASS = TESTNAME + ".class";
private static final String CLASSES_DIR = System.getProperty("test.classes", ".");
private static final String CLASSLIST_FILE = "./UseAppCDS.classlist";
private static final String ARCHIVE_FILE = "./shared.jsa";
private static final String BOOTCLASS = "java.lang.Class";
public static void main(String[] args) throws Exception {
// First create a jar file for the application "test" class
JDKToolLauncher jar = JDKToolLauncher.create("jar")
.addToolArg("-cf")
.addToolArg(TESTJAR)
.addToolArg("-C")
.addToolArg(CLASSES_DIR)
.addToolArg(TESTCLASS);
ProcessBuilder pb = new ProcessBuilder(jar.getCommand());
TestCommon.executeAndLog(pb, "jar01").shouldHaveExitValue(0);
pb = new ProcessBuilder(jar.getCommand());
TestCommon.executeAndLog(pb, "jar02").shouldHaveExitValue(0);
// In all tests the BOOTCLASS should be loaded/dumped/used
// Test 1: No AppCDS - dumping loaded classes excludes the "test" classes
dumpLoadedClasses(false, new String[] { BOOTCLASS },
new String[] { TESTNAME });
// Test 2: AppCDS - dumping loaded classes includes "test" classes
dumpLoadedClasses(true, new String[] { BOOTCLASS, TESTNAME },
new String[0]);
// Next tests rely on the classlist we just dumped
// Test 3: No AppCDS - "test" classes in classlist ignored when dumping
dumpArchive(false, new String[] { BOOTCLASS },
new String[] { TESTNAME});
// Test 4: AppCDS - "test" classes in classlist are dumped
dumpArchive(true, new String[] { BOOTCLASS, TESTNAME },
new String[0]);
// Next tests rely on the archive we just dumped
// Test 5: No AppCDS - Using archive containing "test" classes ignores them
useArchive(false, new String[] { BOOTCLASS },
new String[] { TESTNAME });
// Test 6: AppCDS - Using archive containing "test" classes loads them
useArchive(true, new String[] { BOOTCLASS, TESTNAME },
new String[0]);
}
public static List<String> toClassNames(String filename) throws IOException {
ArrayList<String> classes = new ArrayList<>();
try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filename)))) {
for (; ; ) {
String line = br.readLine();
if (line == null) {
break;
}
classes.add(line.replaceAll("/", "."));
}
}
return classes;
}
static void dumpLoadedClasses(boolean useAppCDS, String[] expectedClasses,
String[] unexpectedClasses) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
TestCommon.makeCommandLineForAppCDS(
"-XX:DumpLoadedClassList=" + CLASSLIST_FILE,
"-cp",
TESTJAR,
useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
TESTNAME,
TEST_OUT));
OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-loaded-classes")
.shouldHaveExitValue(0).shouldContain(TEST_OUT);
List<String> dumpedClasses = toClassNames(CLASSLIST_FILE);
for (String clazz : expectedClasses) {
if (!dumpedClasses.contains(clazz)) {
throw new RuntimeException(clazz + " missing in " +
CLASSLIST_FILE);
}
}
for (String clazz : unexpectedClasses) {
if (dumpedClasses.contains(clazz)) {
throw new RuntimeException("Unexpectedly found " + clazz +
" in " + CLASSLIST_FILE);
}
}
}
static void dumpArchive(boolean useAppCDS, String[] expectedClasses,
String[] unexpectedClasses) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
TestCommon.makeCommandLineForAppCDS(
useAppCDS ? "-XX:-UnlockDiagnosticVMOptions" :
"-XX:+UnlockDiagnosticVMOptions",
"-cp",
TESTJAR,
useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
"-XX:SharedClassListFile=" + CLASSLIST_FILE,
"-XX:SharedArchiveFile=" + ARCHIVE_FILE,
"-Xlog:cds",
"-Xshare:dump"));
OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-archive")
.shouldHaveExitValue(0);
for (String clazz : expectedClasses) {
String failed = "Preload Warning: Cannot find " + clazz;
output.shouldNotContain(failed);
}
for (String clazz : unexpectedClasses) {
String failed = "Preload Warning: Cannot find " + clazz;
output.shouldContain(failed);
}
}
static void useArchive(boolean useAppCDS, String[] expectedClasses,
String[] unexpectedClasses) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
TestCommon.makeCommandLineForAppCDS(
useAppCDS ? "-XX:-UnlockDiagnosticVMOptions" :
"-XX:+UnlockDiagnosticVMOptions",
"-cp",
TESTJAR,
useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
"-XX:SharedArchiveFile=" + ARCHIVE_FILE,
"-verbose:class",
"-Xshare:on",
TESTNAME,
TEST_OUT));
OutputAnalyzer output = TestCommon.executeAndLog(pb, "use-archive");
if (CDSTestUtils.isUnableToMap(output))
System.out.println("Unable to map: test case skipped");
else
output.shouldHaveExitValue(0).shouldContain(TEST_OUT);
// Quote the class name in the regex as it may contain $
String prefix = ".class,load. ";
String archive_suffix = ".*source: shared objects file.*";
String jar_suffix = ".*source: .*\\.jar";
for (String clazz : expectedClasses) {
String pattern = prefix + clazz + archive_suffix;
try {
output.shouldMatch(pattern);
} catch (Exception e) {
TestCommon.checkCommonExecExceptions(output, e);
}
}
for (String clazz : unexpectedClasses) {
String pattern = prefix + clazz + archive_suffix;
try {
output.shouldNotMatch(pattern);
} catch (Exception e) {
TestCommon.checkCommonExecExceptions(output, e);
}
pattern = prefix + clazz + jar_suffix;
try {
output.shouldMatch(pattern);
} catch (Exception e) {
TestCommon.checkCommonExecExceptions(output, e);
}
}
}
}