--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/applications/jcstress/TestGenerator.java Wed Apr 19 16:33:37 2017 -0700
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+package applications.jcstress;
+
+import jdk.test.lib.Utils;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Calendar;
+import java.util.EnumSet;
+import java.util.function.Predicate;
+
+
+/**
+ * @notest THIS IS NOT A TEST.
+ * This is a test generator, should be run only when jcstress is changed
+ *
+ * @library /test/lib /
+ * @run main applications.jcstress.TestGenerator
+ */
+
+/**
+ * Use jcstress test suite to generate jtreg tests in 'test.src' or current
+ * directory. Used version is defined in JcstressRunner class.
+ *
+ * Each generated jtreg test file will contain several tests. Subdirectories are
+ * used to allow running all tests from a file using command line. 'copy',
+ * 'acqrel', 'fences', 'atomicity', 'seqcst.sync', 'seqcst.volatiles' and
+ * 'other' tests will be generated.
+ *
+ * This generator depends on testlibrary, therefore it should be compiled and
+ * added to classpath. One can replace @notest by @test in jtreg test
+ * description above to run this class with jtreg.
+ *
+ * @see <a href=https://wiki.openjdk.java.net/display/CodeTools/jcstress>jcstress</a>
+ */
+public class TestGenerator {
+ private static final String COPYRIGHT;
+ static {
+ String years;
+ final int firstYear = 2017;
+ int currentYear = Calendar.getInstance().get(Calendar.YEAR);
+ if (firstYear < currentYear) {
+ years = String.format("%d, %d", firstYear, currentYear);
+ } else {
+ years = "" + firstYear;
+ }
+ COPYRIGHT = String.format("/*\n" +
+ " * Copyright (c) %s, Oracle and/or its affiliates. All rights reserved.\n" +
+ " * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.\n" +
+ " *\n" +
+ " * This code is free software; you can redistribute it and/or modify it\n" +
+ " * under the terms of the GNU General Public License version 2 only, as\n" +
+ " * published by the Free Software Foundation.\n" +
+ " *\n" +
+ " * This code is distributed in the hope that it will be useful, but WITHOUT\n" +
+ " * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\n" +
+ " * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n" +
+ " * version 2 for more details (a copy is included in the LICENSE file that\n" +
+ " * accompanied this code).\n" +
+ " *\n" +
+ " * You should have received a copy of the GNU General Public License version\n" +
+ " * 2 along with this work; if not, write to the Free Software Foundation,\n" +
+ " * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n" +
+ " *\n" +
+ " * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA\n" +
+ " * or visit www.oracle.com if you need additional information or have any\n" +
+ " * questions.\n" +
+ " */\n\n", years);
+ }
+
+ private static enum JcstressGroup {
+ MEMEFFECTS("memeffects"),
+ COPY("copy"),
+ ACQREL("acqrel"),
+ FENCES("fences"),
+ ATOMICITY("atomicity"),
+ SEQCST_SYNC("seqcst.sync"),
+ SEQCST_VOLATILES("seqcst.volatiles"),
+ OTHER("other", JcstressGroup.otherFilter());
+
+ private final String groupName;
+ private final Predicate<String> filter;
+
+ private JcstressGroup(String groupName, Predicate<String> filter) {
+ this.groupName = groupName;
+ this.filter = filter;
+ }
+
+ private JcstressGroup(String groupName) {
+ this(groupName, JcstressGroup.nameFilter(groupName));
+ }
+
+ private static Predicate<String> nameFilter(String group) {
+ return s -> s.startsWith("org.openjdk.jcstress.tests." + group + ".");
+ }
+
+ private static Predicate<String> otherFilter() {
+ return (s) -> {
+ for (JcstressGroup g : EnumSet.complementOf(EnumSet.of(OTHER))) {
+ if (g.filter.test(s)) {
+ return false;
+ }
+ }
+ return true;
+ };
+ }
+ }
+
+ public static String DESC_FORMAT = "\n"
+ + "/**\n"
+ + " * @test %1$s\n"
+ + " * @library /test/lib /\n"
+ + " * @run driver " + JcstressRunner.class.getName()
+ // verbose output
+ + " -v"
+ // test mode preset
+ + " -m default"
+ // test name
+ + " -t %1$s\n"
+ + " */\n";
+
+ public static void main(String[] args) {
+ Path path = JcstressRunner.pathToArtifact();
+ Path output;
+ try {
+ output = Files.createTempFile("jcstress", ".out");
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+ "-jar",
+ path.toAbsolutePath().toString(),
+ "-l");
+ pb.redirectOutput(output.toFile());
+ new OutputAnalyzer(pb.start()).shouldHaveExitValue(0);
+ } catch (Exception e) {
+ throw new Error("Can not get list of tests", e);
+ }
+ for (JcstressGroup group : JcstressGroup.values()) {
+ try {
+ try (BufferedReader reader = Files.newBufferedReader(output)) {
+ // skip first 4 lines: name, -{80}, revision and empty line
+ for (int i = 0; i < 4; ++i) {
+ reader.readLine();
+ }
+ new TestGenerator(group).generate(reader);
+ }
+ } catch (IOException e) {
+ throw new Error("Generating tests for " + group.name()
+ + " has failed", e);
+ }
+ }
+ output.toFile().delete();
+ }
+
+ private final JcstressGroup group;
+
+ private TestGenerator(JcstressGroup group) {
+ this.group = group;
+ }
+
+ private void generate(BufferedReader reader) throws IOException {
+ // array is needed to change value inside a lambda
+ long[] count = {0L};
+ String root = Utils.TEST_SRC;
+ Path testFile = Paths.get(root)
+ .resolve(group.groupName)
+ .resolve("Test.java");
+ File testDir = testFile.getParent().toFile();
+ if (!testDir.mkdirs() && !testDir.exists()) {
+ throw new Error("Can not create directories for "
+ + testFile.toString());
+ }
+
+ try (PrintStream ps = new PrintStream(testFile.toFile())) {
+ ps.print(COPYRIGHT);
+ ps.printf("/* DO NOT MODIFY THIS FILE. GENERATED BY %s */\n",
+ getClass().getName());
+
+ reader.lines()
+ .filter(group.filter)
+ .forEach(s -> {
+ count[0]++;
+ ps.printf(DESC_FORMAT, s);
+ });
+ ps.print('\n');
+ }
+ System.out.printf("%d tests generated in %s%n",
+ count[0], group.groupName);
+ }
+}
+