jdk-24/test/hotspot/jtreg/vmTestbase/ExecDriver.java
Igor Ignatyev 6ff66db553 8242314: use reproducible random in vmTestbase shared code
Reviewed-by: kbarrett, lmesnik
2020-04-28 20:49:28 -07:00

214 lines
8.2 KiB
Java

/*
* Copyright (c) 2017, 2020, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Starts a new process to execute a command.
* <p>Usage: --java|--cmd|--launcher <arg>+
* <p>If {@code --cmd} flag is specified, the arguments are treated as
* a program to run and its arguments. Non-zero exit code of the created process
* will be reported as an {@link AssertionError}.
* <p>If {@code --java} flag is specified, the arguments are passed to {@code java}
* from JDK under test. If exit code doesn't equal to 0 or 95, {@link AssertionError}
* will be thrown.
* <p>If {@code --launcher} flag is specified, the arguments treated similar as
* for {@code --cmd}, but the started process will have the directory which
* contains {@code jvm.so} in dynamic library path, and {@code test.class.path}
* as CLASSPATH environment variable. Exit codes are checked as in
* {@code --java}, i.e. 0 or 95 means pass.
*/
public class ExecDriver {
// copied from jdk.test.lib.Utils.TEST_CLASS_PATH
private static final String TEST_CLASS_PATH = System.getProperty("test.class.path", ".");
// copied from jdk.test.lib.Utils.TEST_CLASS_PATH
private static final String TEST_JDK = System.getProperty("test.jdk");
public static void main(String[] args) throws IOException, InterruptedException {
boolean java = false;
boolean launcher = false;
String type = args[0];
switch (type) {
case "--java":
String[] oldArgs = args;
int count;
String libraryPath = System.getProperty("test.nativepath");
if (libraryPath != null && !libraryPath.isEmpty()) {
count = 4;
args = new String[args.length + 3];
args[3] = "-Djava.library.path=" + libraryPath;
} else {
count = 3;
args = new String[args.length + 2];
}
args[0] = javaBin();
args[1] = "-cp";
args[2] = TEST_CLASS_PATH;
System.arraycopy(oldArgs, 1, args, count, oldArgs.length - 1);
java = true;
break;
case "--launcher":
java = true;
launcher = true;
case "--cmd":
args = Arrays.copyOfRange(args, 1, args.length);
break;
default:
throw new Error("unknown type: " + type);
}
// adding 'test.vm.opts' and 'test.java.opts'
if (java) {
String[] oldArgs = args;
String[] testJavaOpts = getTestJavaOpts();
if (testJavaOpts.length > 0) {
args = new String[args.length + testJavaOpts.length];
// bin/java goes before options
args[0] = oldArgs[0];
// then external java options
System.arraycopy(testJavaOpts, 0, args, 1, testJavaOpts.length);
// and then options and args from a test
System.arraycopy(oldArgs, 1, args, 1 + testJavaOpts.length, oldArgs.length - 1);
}
}
String command = Arrays.toString(args);
System.out.println("exec " + command);
ProcessBuilder pb = new ProcessBuilder(args);
// adding jvm.so to library path
if (launcher) {
Path dir = Paths.get(TEST_JDK);
String value;
String name = sharedLibraryPathVariableName();
// if (jdk.test.lib.Platform.isWindows()) {
if (System.getProperty("os.name").toLowerCase().startsWith("win")) {
value = dir.resolve("bin")
.resolve(variant())
.toAbsolutePath()
.toString();
value += File.pathSeparator;
value += dir.resolve("bin")
.toAbsolutePath()
.toString();
} else {
value = dir.resolve("lib")
.resolve(variant())
.toAbsolutePath()
.toString();
}
System.out.println(" with " + name + " = " +
pb.environment()
.merge(name, value, (x, y) -> y + File.pathSeparator + x));
System.out.println(" with CLASSPATH = " +
pb.environment()
.put("CLASSPATH", TEST_CLASS_PATH));
}
Process p = pb.start();
// inheritIO does not work as expected for @run driver
new Thread(() -> copy(p.getInputStream(), System.out)).start();
new Thread(() -> copy(p.getErrorStream(), System.out)).start();
int exitCode = p.waitFor();
if (exitCode != 0 && (!java || exitCode != 95)) {
throw new AssertionError(command + " exit code is " + exitCode);
}
}
// copied from jdk.test.lib.Platform::sharedLibraryPathVariableName
private static String sharedLibraryPathVariableName() {
String osName = System.getProperty("os.name").toLowerCase();
if (osName.startsWith("win")) {
return "PATH";
} else if (osName.startsWith("mac")) {
return "DYLD_LIBRARY_PATH";
} else if (osName.startsWith("aix")) {
return "LIBPATH";
} else {
return "LD_LIBRARY_PATH";
}
}
// copied from jdk.test.lib.Utils::getTestJavaOpts()
private static String[] getTestJavaOpts() {
List<String> opts = new ArrayList<String>();
{
String v = System.getProperty("test.vm.opts", "").trim();
if (!v.isEmpty()) {
Collections.addAll(opts, v.split("\\s+"));
}
}
{
String v = System.getProperty("test.java.opts", "").trim();
if (!v.isEmpty()) {
Collections.addAll(opts, v.split("\\s+"));
}
}
return opts.toArray(new String[0]);
}
// copied jdk.test.lib.Platform::variant
private static String variant() {
String vmName = System.getProperty("java.vm.name");
if (vmName.endsWith(" Server VM")) {
return "server";
} else if (vmName.endsWith(" Client VM")) {
return "client";
} else if (vmName.endsWith(" Minimal VM")) {
return "minimal";
} else {
throw new Error("TESTBUG: unsuppported vm variant");
}
}
private static void copy(InputStream is, OutputStream os) {
byte[] buffer = new byte[1024];
int n;
try (InputStream close = is) {
while ((n = is.read(buffer)) != -1) {
os.write(buffer, 0, n);
}
os.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
private static String javaBin() {
return Paths.get(TEST_JDK)
.resolve("bin")
.resolve("java")
.toAbsolutePath()
.toString();
}
}