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