--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/versions/Versions.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,378 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+/*
+ * @test
+ * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546
+ * @summary Check interpretation of -target and -source options
+ * @modules java.compiler
+ * jdk.compiler
+ * @run main Versions
+ */
+
+import java.io.*;
+import java.nio.*;
+import java.nio.channels.*;
+
+import javax.tools.JavaCompiler;
+import javax.tools.ToolProvider;
+import javax.tools.JavaFileObject;
+import javax.tools.StandardJavaFileManager;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+
+public class Versions {
+
+ protected JavaCompiler javacompiler;
+ protected int failedCases;
+
+ public Versions() throws IOException {
+ javacompiler = ToolProvider.getSystemJavaCompiler();
+ genSourceFiles();
+ failedCases = 0;
+ }
+
+ public static void main(String... args) throws IOException {
+ Versions versions = new Versions();
+ versions.run();
+ }
+
+ void run() {
+
+ String TC = "";
+ System.out.println("Version.java: Starting");
+
+ check("53.0");
+ check("53.0", "-source 1.6");
+ check("53.0", "-source 1.7");
+ check("53.0", "-source 1.8");
+ check("53.0", "-source 1.9");
+ check("53.0", "-source 1.10");
+
+ check_source_target("50.0", "6", "6");
+ check_source_target("51.0", "6", "7");
+ check_source_target("51.0", "7", "7");
+ check_source_target("52.0", "6", "8");
+ check_source_target("52.0", "7", "8");
+ check_source_target("52.0", "8", "8");
+ check_source_target("53.0", "6", "9");
+ check_source_target("53.0", "7", "9");
+ check_source_target("53.0", "8", "9");
+ check_source_target("53.0", "9", "9");
+ check_source_target("53.0", "10", "10");
+
+ checksrc16("-source 1.6");
+ checksrc16("-source 6");
+ checksrc16("-source 1.6", "-target 1.6");
+ checksrc16("-source 6", "-target 6");
+ checksrc17("-source 1.7");
+ checksrc17("-source 7");
+ checksrc17("-source 1.7", "-target 1.7");
+ checksrc17("-source 7", "-target 7");
+ checksrc18("-source 1.8");
+ checksrc18("-source 8");
+ checksrc18("-source 1.8", "-target 1.8");
+ checksrc18("-source 8", "-target 8");
+ checksrc19("-source 1.9");
+ checksrc19("-source 9");
+ checksrc19("-source 1.9", "-target 1.9");
+ checksrc19("-source 9", "-target 9");
+
+ checksrc110();
+ checksrc110("-source 1.10");
+ checksrc110("-source 10");
+ checksrc110("-source 1.10", "-target 1.10");
+ checksrc110("-source 10", "-target 10");
+ checksrc110("-target 1.10");
+ checksrc110("-target 10");
+
+ fail("-source 7", "-target 1.6", "Base.java");
+ fail("-source 8", "-target 1.6", "Base.java");
+ fail("-source 8", "-target 1.7", "Base.java");
+ fail("-source 9", "-target 1.7", "Base.java");
+ fail("-source 9", "-target 1.8", "Base.java");
+ fail("-source 10", "-target 1.7", "Base.java");
+ fail("-source 10", "-target 1.8", "Base.java");
+
+ fail("-source 1.5", "-target 1.5", "Base.java");
+ fail("-source 1.4", "-target 1.4", "Base.java");
+ fail("-source 1.3", "-target 1.3", "Base.java");
+ fail("-source 1.2", "-target 1.2", "Base.java");
+
+ if (failedCases > 0) {
+ System.err.println("failedCases = " + String.valueOf(failedCases));
+ throw new Error("Test failed");
+ }
+
+ }
+
+ protected void printargs(String fname,String... args) {
+ System.out.printf("test: %s", fname);
+ for (String onearg : args) {
+ System.out.printf(" %s", onearg);
+ }
+ System.out.printf("\n", fname);
+ }
+
+ protected void check_source_target(String... args) {
+ printargs("check_source_target", args);
+ check_target(args[0], args[1], args[2]);
+ check_target(args[0], "1." + args[1], args[2]);
+ }
+
+ protected void check_target(String... args) {
+ check(args[0], "-source " + args[1], "-target " + args[2]);
+ check(args[0], "-source " + args[1], "-target 1." + args[2]);
+ }
+
+ protected void check(String major, String... args) {
+ printargs("check", args);
+ List<String> jcargs = new ArrayList<String>();
+ jcargs.add("-Xlint:-options");
+
+ // add in args conforming to List requrements of JavaCompiler
+ for (String onearg : args) {
+ String[] fields = onearg.split(" ");
+ for (String onefield : fields) {
+ jcargs.add(onefield);
+ }
+ }
+
+ boolean creturn = compile("Base.java", jcargs);
+ if (!creturn) {
+ // compilation errors note and return.. assume no class file
+ System.err.println("check: Compilation Failed");
+ System.err.println("\t classVersion:\t" + major);
+ System.err.println("\t arguments:\t" + jcargs);
+ failedCases++;
+
+ } else if (!checkClassFileVersion("Base.class", major)) {
+ failedCases++;
+ }
+ }
+
+ protected void checksrc16(String... args) {
+ printargs("checksrc16", args);
+ int asize = args.length;
+ String[] newargs = new String[asize + 1];
+ System.arraycopy(args, 0, newargs, 0, asize);
+ newargs[asize] = "Base.java";
+ pass(newargs);
+ newargs[asize] = "New17.java";
+ fail(newargs);
+ }
+
+ protected void checksrc17(String... args) {
+ printargs("checksrc17", args);
+ int asize = args.length;
+ String[] newargs = new String[asize+1];
+ System.arraycopy(args, 0, newargs,0 , asize);
+ newargs[asize] = "New17.java";
+ pass(newargs);
+ newargs[asize] = "New18.java";
+ fail(newargs);
+ }
+
+ protected void checksrc18(String... args) {
+ printargs("checksrc18", args);
+ int asize = args.length;
+ String[] newargs = new String[asize+1];
+ System.arraycopy(args, 0, newargs,0 , asize);
+ newargs[asize] = "New17.java";
+ pass(newargs);
+ newargs[asize] = "New18.java";
+ pass(newargs);
+ }
+
+ protected void checksrc19(String... args) {
+ printargs("checksrc19", args);
+ checksrc18(args);
+ }
+
+ protected void checksrc110(String... args) {
+ printargs("checksrc110", args);
+ checksrc19(args);
+ }
+
+ protected void pass(String... args) {
+ printargs("pass", args);
+
+ List<String> jcargs = new ArrayList<String>();
+ jcargs.add("-Xlint:-options");
+
+ // add in args conforming to List requrements of JavaCompiler
+ for (String onearg : args) {
+ String[] fields = onearg.split(" ");
+ for (String onefield : fields) {
+ jcargs.add(onefield);
+ }
+ }
+
+ // empty list is error
+ if (jcargs.isEmpty()) {
+ System.err.println("error: test error in pass() - No arguments");
+ System.err.println("\t arguments:\t" + jcargs);
+ failedCases++;
+ return;
+ }
+
+ // the last argument is the filename *.java
+ String filename = jcargs.get(jcargs.size() - 1);
+ jcargs.remove(jcargs.size() - 1);
+
+ boolean creturn = compile(filename, jcargs);
+ // expect a compilation failure, failure if otherwise
+ if (!creturn) {
+ System.err.println("pass: Compilation erroneously failed");
+ System.err.println("\t arguments:\t" + jcargs);
+ System.err.println("\t file :\t" + filename);
+ failedCases++;
+
+ }
+
+ }
+
+ protected void fail(String... args) {
+ printargs("fail", args);
+
+ List<String> jcargs = new ArrayList<String>();
+ jcargs.add("-Xlint:-options");
+
+ // add in args conforming to List requrements of JavaCompiler
+ for (String onearg : args) {
+ String[] fields = onearg.split(" ");
+ for (String onefield : fields) {
+ jcargs.add(onefield);
+ }
+ }
+
+ // empty list is error
+ if (jcargs.isEmpty()) {
+ System.err.println("error: test error in fail()- No arguments");
+ System.err.println("\t arguments:\t" + jcargs);
+ failedCases++;
+ return;
+ }
+
+ // the last argument is the filename *.java
+ String filename = jcargs.get(jcargs.size() - 1);
+ jcargs.remove(jcargs.size() - 1);
+
+ boolean creturn = compile(filename, jcargs);
+ // expect a compilation failure, failure if otherwise
+ if (creturn) {
+ System.err.println("fail: Compilation erroneously succeeded");
+ System.err.println("\t arguments:\t" + jcargs);
+ System.err.println("\t file :\t" + filename);
+ failedCases++;
+ }
+ }
+
+ protected boolean compile(String sourceFile, List<String>options) {
+ JavaCompiler.CompilationTask jctask;
+ try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) {
+ Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile);
+
+ jctask = javacompiler.getTask(
+ null, // Writer
+ fm, // JavaFileManager
+ null, // DiagnosticListener
+ options, // Iterable<String>
+ null, // Iterable<String> classes
+ files); // Iterable<? extends JavaFileObject>
+
+ try {
+ return jctask.call();
+ } catch (IllegalStateException e) {
+ System.err.println(e);
+ return false;
+ }
+ } catch (IOException e) {
+ throw new Error(e);
+ }
+ }
+
+ protected void writeSourceFile(String fileName, String body) throws IOException{
+ try (Writer fw = new FileWriter(fileName)) {
+ fw.write(body);
+ }
+ }
+
+ protected void genSourceFiles() throws IOException{
+ /* Create a file that executes with all supported versions. */
+ writeSourceFile("Base.java","public class Base { }\n");
+
+ /*
+ * Create a file with a new feature in 1.7, not in 1.6 : "<>"
+ */
+ writeSourceFile("New17.java",
+ "import java.util.List;\n" +
+ "import java.util.ArrayList;\n" +
+ "class New17 { List<String> s = new ArrayList<>(); }\n"
+ );
+
+ /*
+ * Create a file with a new feature in 1.8, not in 1.7 : lambda
+ */
+ writeSourceFile("New18.java",
+ "public class New18 { \n" +
+ " void m() { \n" +
+ " new Thread(() -> { }); \n" +
+ " } \n" +
+ "} \n"
+ );
+
+ }
+
+ protected boolean checkClassFileVersion
+ (String filename,String classVersionNumber) {
+ ByteBuffer bb = ByteBuffer.allocate(1024);
+ try (FileChannel fc = new FileInputStream(filename).getChannel()) {
+ bb.clear();
+ if (fc.read(bb) < 0)
+ throw new IOException("Could not read from file : " + filename);
+ bb.flip();
+ int minor = bb.getShort(4);
+ int major = bb.getShort(6);
+ String fileVersion = major + "." + minor;
+ if (fileVersion.equals(classVersionNumber)) {
+ return true;
+ } else {
+ System.err.println("checkClassFileVersion : Failed");
+ System.err.println("\tclassfile version mismatch");
+ System.err.println("\texpected : " + classVersionNumber);
+ System.err.println("\tfound : " + fileVersion);
+ return false;
+ }
+ }
+ catch (IOException e) {
+ System.err.println("checkClassFileVersion : Failed");
+ System.err.println("\terror :\t" + e.getMessage());
+ System.err.println("\tfile:\tfilename");
+ }
+ return false;
+ }
+}
+