private void test() {
for (TestCaseData testCase : TestCaseData.values()) {
System.out.println(testCase);
OutputAnalyzer oa;
try {
oa =
ProcessTools.executeTestJvmAllArgs(
"-XX:+UnlockExperimentalVMOptions",
"-XX:+EnableJVMCI",
"-Xbootclasspath/a:.",
DebugOutputTest.Worker.class.getName(),
testCase.name());
} catch (Throwable e) {
e.printStackTrace();
throw new Error("Problems running child process", e);
}
if (testCase.expectedException != null) {
oa.shouldHaveExitValue(1);
oa.shouldContain(testCase.expectedException.getName());
} else {
oa.shouldHaveExitValue(0);
oa.shouldContain(new String(testCase.getExpected()));
}
}
}
/** Compile two module definitions used by the test, jdk.test and jdk.translet. */
public static void main(String[] args) throws Exception {
boolean compiled;
// Compile module jdk.test declaration
compiled = CompilerUtils.compile(SRC_DIR.resolve("jdk.test"), MODS_DIR.resolve("jdk.test"));
if (!compiled) {
throw new RuntimeException("Test failed to compile module jdk.test");
}
// Compile module jdk.translet declaration
compiled =
CompilerUtils.compile(
SRC_DIR.resolve("jdk.translet"),
MODS_DIR.resolve("jdk.translet"),
"--add-exports=jdk.test/test=jdk.translet",
"-p",
MODS_DIR.toString());
if (!compiled) {
throw new RuntimeException("Test failed to compile module jdk.translet");
}
// Sanity check that the test, jdk.test/test/MainGC.java,
// correctly walks module jdk.test's reads list and package
// test's, defined to module jdk.translet, export list at
// GC safepoints.
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(
"-Xlog:modules=trace", "-p", MODS_DIR.toString(), "-m", "jdk.test/test.MainGC");
OutputAnalyzer oa = new OutputAnalyzer(pb.start());
oa.shouldContain("package test defined in module jdk.test, exports list being walked")
.shouldContain("module jdk.test reads list being walked")
.shouldHaveExitValue(0);
}
private static void verifyCodeHeapNotExists(ProcessBuilder pb, String... heapNames)
throws Exception {
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
for (String name : heapNames) {
out.shouldNotContain(name);
}
}
private static void verifySegmentedCodeCache(ProcessBuilder pb, boolean enabled)
throws Exception {
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
if (enabled) {
try {
// Non-nmethod code heap should be always available with the segmented code cache
out.shouldContain(NON_METHOD);
} catch (RuntimeException e) {
// Check if TieredCompilation is disabled (in a client VM)
if (!out.getOutput().contains("-XX:+TieredCompilation not supported in this VM")) {
// Code cache is not segmented
throw new RuntimeException("No code cache segmentation.");
}
}
} else {
out.shouldNotContain(NON_METHOD);
}
}
public void run(CommandExecutor executor) throws ClassNotFoundException {
// create a classloader and load our special class
dummyloader = new DummyClassLoader();
Class<?> c = Class.forName("TestClass", true, dummyloader);
if (c.getClassLoader() != dummyloader) {
Assert.fail("TestClass defined by wrong classloader: " + c.getClassLoader());
}
OutputAnalyzer output = executor.execute("VM.classloader_stats");
Iterator<String> lines = output.asLines().iterator();
while (lines.hasNext()) {
String line = lines.next();
Matcher m = clLine.matcher(line);
if (m.matches()) {
// verify that DummyClassLoader has loaded 1 class and 1 anonymous class
if (m.group(4).equals("ClassLoaderStatsTest$DummyClassLoader")) {
System.out.println("line: " + line);
if (!m.group(1).equals("1")) {
Assert.fail("Should have loaded 1 class: " + line);
}
checkPositiveInt(m.group(2));
checkPositiveInt(m.group(3));
String next = lines.next();
System.out.println("next: " + next);
Matcher m1 = anonLine.matcher(next);
m1.matches();
if (!m1.group(1).equals("1")) {
Assert.fail("Should have loaded 1 anonymous class, but found : " + m1.group(1));
}
checkPositiveInt(m1.group(2));
checkPositiveInt(m1.group(3));
}
}
}
}
private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output) {
output.shouldHaveExitValue(0); // test should run succesfully
output.shouldContain("new_active_workers");
}
private static void failsWith(ProcessBuilder pb, String message) throws Exception {
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldContain(message);
out.shouldHaveExitValue(1);
}
public static void runTest(String test, String result) throws Throwable {
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder("-cp", testsrc + File.separator + "test.jar", test);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("java.lang.ClassFormatError: Multiple " + result);
}
public static void main(String args[]) throws Exception {
is_64_bit_system = (Platform.is64bit());
OutputAnalyzer output;
whiteBox = WhiteBox.getWhiteBox();
// Grab my own PID
String pid = Long.toString(ProcessTools.getProcessId());
ProcessBuilder pb = new ProcessBuilder();
AllocThread[] alloc_threads = new AllocThread[256];
ReleaseThread[] release_threads = new ReleaseThread[64];
int index;
// Create many allocation threads
for (index = 0; index < alloc_threads.length; index++) {
alloc_threads[index] = new AllocThread();
}
// Fewer release threads
for (index = 0; index < release_threads.length; index++) {
release_threads[index] = new ReleaseThread();
}
if (is_64_bit_system()) {
sleep_wait(2 * 60 * 1000);
} else {
sleep_wait(60 * 1000);
}
// pause the stress test
phase = TestPhase.pause;
while (pause_count.intValue() < alloc_threads.length + release_threads.length) {
sleep_wait(10);
}
long mallocd_total_in_KB = (mallocd_total + K / 2) / K;
// Now check if the result from NMT matches the total memory allocated.
String expected_test_summary =
"Test (reserved=" + mallocd_total_in_KB + "KB, committed=" + mallocd_total_in_KB + "KB)";
// Run 'jcmd <pid> VM.native_memory summary'
pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
output = new OutputAnalyzer(pb.start());
output.shouldContain(expected_test_summary);
// Release all allocated memory
phase = TestPhase.release;
synchronized (mallocd_memory) {
mallocd_memory.notifyAll();
}
// Join all threads
for (index = 0; index < alloc_threads.length; index++) {
try {
alloc_threads[index].join();
} catch (InterruptedException e) {
}
}
for (index = 0; index < release_threads.length; index++) {
try {
release_threads[index].join();
} catch (InterruptedException e) {
}
}
// All test memory allocated should be released
output = new OutputAnalyzer(pb.start());
output.shouldNotContain("Test (reserved=");
// Verify that tracking level has not been downgraded
pb.command(
new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "statistics"});
output = new OutputAnalyzer(pb.start());
output.shouldNotContain("Tracking level has been downgraded due to lack of resources");
}