4750064828
8214547: Add SourceVersion.RELEASE_14 8214548: Add source 14 and target 14 to javac 8214549: Bump maximum recognized class file version to 58 for JDK 14 Reviewed-by: jjg, mikael, erikj, jlahoda, dholmes
490 lines
17 KiB
Java
490 lines
17 KiB
Java
/*
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* Copyright (c) 2014, 2019, 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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/*
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* @test
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* @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546 8188870 8173382 8173382 8193290 8205619 8028563
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* @summary Check interpretation of -target and -source options
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* @modules java.compiler
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* jdk.compiler
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* @run main Versions
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*/
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import java.io.*;
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import java.nio.*;
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import java.nio.channels.*;
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import javax.tools.JavaCompiler;
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import javax.tools.ToolProvider;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import java.util.List;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Set;
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import java.util.function.BiConsumer;
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/*
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* If not explicitly specified the latest source and latest target
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* values are the defaults. If explicitly specified, the target value
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* has to be greater than or equal to the source value.
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*/
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public class Versions {
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protected JavaCompiler javacompiler;
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protected int failedCases;
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public Versions() throws IOException {
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javacompiler = ToolProvider.getSystemJavaCompiler();
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genSourceFiles();
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failedCases = 0;
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}
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public static void main(String... args) throws IOException {
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Versions versions = new Versions();
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versions.run();
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}
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public static final Set<String> RETIRED_SOURCES =
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Set.of("1.2", "1.3", "1.4", "1.5", "1.6");
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public static final Set<String> VALID_SOURCES =
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Set.of("1.7", "1.8", "1.9", "1.10", "11", "12", "13", "14");
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public static final String LATEST_MAJOR_VERSION = "58.0";
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static enum SourceTarget {
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SEVEN(true, "51.0", "7", Versions::checksrc17),
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EIGHT(true, "52.0", "8", Versions::checksrc18),
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NINE(true, "53.0", "9", Versions::checksrc19),
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TEN(true, "54.0", "10", Versions::checksrc110),
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ELEVEN(false, "55.0", "11", Versions::checksrc111),
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TWELVE(false, "56.0", "12", Versions::checksrc112),
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THIRTEEN(false, "57.0", "13", Versions::checksrc113),
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FOURTEEN(false, "58.0", "14", Versions::checksrc114);
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private final boolean dotOne;
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private final String classFileVer;
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private final String target;
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private final BiConsumer<Versions, String[]> checker;
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private SourceTarget(boolean dotOne, String classFileVer, String target,
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BiConsumer<Versions, String[]> checker) {
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this.dotOne = dotOne;
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this.classFileVer = classFileVer;
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this.target = target;
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this.checker = checker;
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}
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public void checksrc(Versions version, String... args) {
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checker.accept(version, args);
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}
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public boolean dotOne() {
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return dotOne;
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}
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public String classFileVer() {
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return classFileVer;
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}
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public String target() {
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return target;
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}
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}
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void run() {
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String TC = "";
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System.out.println("Version.java: Starting");
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check(LATEST_MAJOR_VERSION);
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for (String source : VALID_SOURCES) {
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check(LATEST_MAJOR_VERSION, "-source " + source);
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}
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// Verify that a -source value less than a -target value is
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// accepted and that the resulting class files are dependent
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// on the target setting alone.
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SourceTarget[] sourceTargets = SourceTarget.values();
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for (int i = 0; i < sourceTargets.length; i++) {
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SourceTarget st = sourceTargets[i];
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String classFileVer = st.classFileVer();
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String target = st.target();
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boolean dotOne = st.dotOne();
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check_source_target(dotOne, classFileVer, target, target);
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for (int j = i; j > 0; j--) {
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String source = sourceTargets[j].target();
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check_source_target(dotOne, classFileVer, source, target);
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}
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}
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// Verify acceptance of different combinations of -source N,
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// -target M; N <= M
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for (int i = 0; i < sourceTargets.length; i++) {
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SourceTarget st = sourceTargets[i];
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st.checksrc(this, "-source " + st.target());
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st.checksrc(this, "-source " + st.target(), "-target " + st.target());
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if (st.dotOne()) {
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st.checksrc(this, "-source 1." + st.target());
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st.checksrc(this, "-source 1." + st.target(), "-target 1." + st.target());
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}
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if (i == sourceTargets.length) {
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// Can use -target without -source setting only for
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// most recent target since the most recent source is
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// the default.
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st.checksrc(this, "-target " + st.target());
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if (!st.classFileVer().equals(LATEST_MAJOR_VERSION)) {
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throw new RuntimeException(st +
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"does not have class file version" +
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LATEST_MAJOR_VERSION);
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}
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}
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}
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// Verify that -source N -target (N-1) is rejected
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for (int i = 1 /* Skip zeroth value */; i < sourceTargets.length; i++) {
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fail("-source " + sourceTargets[i].target(),
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"-target " + sourceTargets[i-1].target(),
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"Base.java");
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}
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// Previously supported source/target values
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for (String source : RETIRED_SOURCES) {
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fail("-source " + source, "-target " + source, "Base.java");
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}
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if (failedCases > 0) {
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System.err.println("failedCases = " + String.valueOf(failedCases));
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throw new Error("Test failed");
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}
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}
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protected void printargs(String fname,String... args) {
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System.out.printf("test: %s", fname);
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for (String onearg : args) {
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System.out.printf(" %s", onearg);
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}
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System.out.printf("\n", fname);
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}
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protected void check_source_target(boolean dotOne, String... args) {
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printargs("check_source_target", args);
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check_target(dotOne, args[0], args[1], args[2]);
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if (dotOne) {
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check_target(dotOne, args[0], "1." + args[1], args[2]);
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}
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}
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protected void check_target(boolean dotOne, String... args) {
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check(args[0], "-source " + args[1], "-target " + args[2]);
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if (dotOne) {
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check(args[0], "-source " + args[1], "-target 1." + args[2]);
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}
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}
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protected void check(String major, String... args) {
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printargs("check", args);
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List<String> jcargs = new ArrayList<>();
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jcargs.add("-Xlint:-options");
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// add in args conforming to List requrements of JavaCompiler
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for (String onearg : args) {
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String[] fields = onearg.split(" ");
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for (String onefield : fields) {
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jcargs.add(onefield);
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}
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}
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boolean creturn = compile("Base.java", jcargs);
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if (!creturn) {
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// compilation errors note and return.. assume no class file
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System.err.println("check: Compilation Failed");
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System.err.println("\t classVersion:\t" + major);
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System.err.println("\t arguments:\t" + jcargs);
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failedCases++;
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} else if (!checkClassFileVersion("Base.class", major)) {
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failedCases++;
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}
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}
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protected void checksrc17(String... args) {
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printargs("checksrc17", args);
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int asize = args.length;
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String[] newargs = new String[asize+1];
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System.arraycopy(args, 0, newargs,0 , asize);
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newargs[asize] = "New17.java";
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pass(newargs);
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newargs[asize] = "New18.java";
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fail(newargs);
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}
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protected void checksrc18(String... args) {
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printargs("checksrc18", args);
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int asize = args.length;
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String[] newargs = new String[asize+1];
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System.arraycopy(args, 0, newargs,0 , asize);
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newargs[asize] = "New17.java";
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pass(newargs);
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newargs[asize] = "New18.java";
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pass(newargs);
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newargs[asize] = "New110.java";
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fail(newargs);
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}
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protected void checksrc19(String... args) {
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printargs("checksrc19", args);
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checksrc18(args);
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}
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protected void checksrc110(String... args) {
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printargs("checksrc110", args);
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int asize = args.length;
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String[] newargs = new String[asize+1];
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System.arraycopy(args, 0, newargs,0 , asize);
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newargs[asize] = "New17.java";
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pass(newargs);
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newargs[asize] = "New18.java";
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pass(newargs);
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newargs[asize] = "New110.java";
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pass(newargs);
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}
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protected void checksrc111(String... args) {
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printargs("checksrc111", args);
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int asize = args.length;
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String[] newargs = new String[asize+1];
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System.arraycopy(args, 0, newargs,0 , asize);
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newargs[asize] = "New17.java";
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pass(newargs);
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newargs[asize] = "New18.java";
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pass(newargs);
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newargs[asize] = "New110.java";
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pass(newargs);
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newargs[asize] = "New111.java";
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pass(newargs);
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}
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protected void checksrc112(String... args) {
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printargs("checksrc112", args);
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checksrc111(args);
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}
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protected void checksrc113(String... args) {
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printargs("checksrc113", args);
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checksrc111(args);
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}
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protected void checksrc114(String... args) {
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printargs("checksrc114", args);
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checksrc111(args);
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}
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protected void pass(String... args) {
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printargs("pass", args);
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List<String> jcargs = new ArrayList<String>();
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jcargs.add("-Xlint:-options");
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// add in args conforming to List requrements of JavaCompiler
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for (String onearg : args) {
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String[] fields = onearg.split(" ");
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for (String onefield : fields) {
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jcargs.add(onefield);
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}
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}
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// empty list is error
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if (jcargs.isEmpty()) {
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System.err.println("error: test error in pass() - No arguments");
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System.err.println("\t arguments:\t" + jcargs);
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failedCases++;
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return;
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}
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// the last argument is the filename *.java
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String filename = jcargs.get(jcargs.size() - 1);
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jcargs.remove(jcargs.size() - 1);
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boolean creturn = compile(filename, jcargs);
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// expect a compilation failure, failure if otherwise
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if (!creturn) {
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System.err.println("pass: Compilation erroneously failed");
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System.err.println("\t arguments:\t" + jcargs);
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System.err.println("\t file :\t" + filename);
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failedCases++;
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}
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}
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protected void fail(String... args) {
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printargs("fail", args);
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List<String> jcargs = new ArrayList<String>();
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jcargs.add("-Xlint:-options");
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// add in args conforming to List requrements of JavaCompiler
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for (String onearg : args) {
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String[] fields = onearg.split(" ");
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for (String onefield : fields) {
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jcargs.add(onefield);
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}
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}
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// empty list is error
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if (jcargs.isEmpty()) {
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System.err.println("error: test error in fail()- No arguments");
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System.err.println("\t arguments:\t" + jcargs);
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failedCases++;
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return;
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}
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// the last argument is the filename *.java
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String filename = jcargs.get(jcargs.size() - 1);
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jcargs.remove(jcargs.size() - 1);
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boolean creturn = compile(filename, jcargs);
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// expect a compilation failure, failure if otherwise
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if (creturn) {
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System.err.println("fail: Compilation erroneously succeeded");
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System.err.println("\t arguments:\t" + jcargs);
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System.err.println("\t file :\t" + filename);
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failedCases++;
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}
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}
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protected boolean compile(String sourceFile, List<String>options) {
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JavaCompiler.CompilationTask jctask;
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try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) {
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Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile);
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jctask = javacompiler.getTask(
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null, // Writer
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fm, // JavaFileManager
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null, // DiagnosticListener
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options, // Iterable<String>
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null, // Iterable<String> classes
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files); // Iterable<? extends JavaFileObject>
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try {
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return jctask.call();
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} catch (IllegalStateException e) {
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System.err.println(e);
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return false;
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}
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} catch (IOException e) {
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throw new Error(e);
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}
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}
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protected void writeSourceFile(String fileName, String body) throws IOException{
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try (Writer fw = new FileWriter(fileName)) {
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fw.write(body);
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}
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}
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protected void genSourceFiles() throws IOException{
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/* Create a file that executes with all supported versions. */
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writeSourceFile("Base.java","public class Base { }\n");
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/*
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* Create a file with a new feature in 1.7, not in 1.6 : "<>"
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*/
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writeSourceFile("New17.java",
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"import java.util.List;\n" +
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"import java.util.ArrayList;\n" +
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"class New17 { List<String> s = new ArrayList<>(); }\n"
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);
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/*
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* Create a file with a new feature in 1.8, not in 1.7 : lambda
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*/
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writeSourceFile("New18.java",
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"public class New18 { \n" +
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" void m() { \n" +
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" new Thread(() -> { }); \n" +
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" } \n" +
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"} \n"
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);
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/*
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* Create a file with a new feature in 1.10, not in 1.9 : var
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*/
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writeSourceFile("New110.java",
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"public class New110 { \n" +
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" void m() { \n" +
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" var tmp = new Thread(() -> { }); \n" +
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" } \n" +
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"} \n"
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);
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/*
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* Create a file with a new feature in 11, not in 10 : var for lambda parameters
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*/
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writeSourceFile("New111.java",
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"public class New111 { \n" +
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" static java.util.function.Function<String,String> f = (var x) -> x.substring(0);\n" +
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" void m(String name) { \n" +
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" var tmp = new Thread(() -> { }, f.apply(name)); \n" +
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" } \n" +
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"} \n"
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);
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}
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protected boolean checkClassFileVersion
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(String filename,String classVersionNumber) {
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ByteBuffer bb = ByteBuffer.allocate(1024);
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try (FileChannel fc = new FileInputStream(filename).getChannel()) {
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bb.clear();
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if (fc.read(bb) < 0)
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throw new IOException("Could not read from file : " + filename);
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bb.flip();
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int minor = bb.getShort(4);
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int major = bb.getShort(6);
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String fileVersion = major + "." + minor;
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if (fileVersion.equals(classVersionNumber)) {
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return true;
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} else {
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System.err.println("checkClassFileVersion : Failed");
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System.err.println("\tclassfile version mismatch");
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System.err.println("\texpected : " + classVersionNumber);
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System.err.println("\tfound : " + fileVersion);
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return false;
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}
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}
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catch (IOException e) {
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System.err.println("checkClassFileVersion : Failed");
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System.err.println("\terror :\t" + e.getMessage());
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System.err.println("\tfile:\tfilename");
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}
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return false;
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}
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}
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