/*
* Copyright (c) 2014, 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
* @summary Check interpretation of -target and -source options
* @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 jdk9cv = "52.0"; // class version.change when ./dev pushed to 53
String TC = "";
System.out.println("Version.java: Starting");
check("52.0");
check("52.0", "-source 1.6");
check("52.0", "-source 1.7");
check("52.0", "-source 1.8");
check(jdk9cv, "-source 1.9");
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(jdk9cv, "6", "9");
check_source_target(jdk9cv, "7", "9");
check_source_target(jdk9cv, "8", "9");
check_source_target(jdk9cv, "9", "9");
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();
checksrc19("-source 1.9");
checksrc19("-source 9");
checksrc19("-source 1.9", "-target 1.9");
checksrc19("-source 9", "-target 9");
checksrc19("-target 1.9");
checksrc19("-target 9");
fail("-source 7", "-target 1.6", "X.java");
fail("-source 8", "-target 1.6", "X.java");
fail("-source 8", "-target 1.7", "X.java");
fail("-source 9", "-target 1.7", "X.java");
fail("-source 9", "-target 1.8", "X.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("X.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("X.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] = "X.java";
pass(newargs);
newargs[asize] = "Y.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] = "X.java";
pass(newargs);
newargs[asize] = "Y.java";
pass(newargs);
}
protected void checksrc18(String... args) {
printargs("checksrc18", args);
checksrc17(args);
}
protected void checksrc19(String... args) {
printargs("checksrc19", args);
checksrc17(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;
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>
return jctask.call();
}
protected void genSourceFiles() throws IOException{
/* Create a file that executes with all supported versions. */
File fsource = new File("X.java");
try (Writer fw = new FileWriter(fsource)) {
fw.write("public class X { }\n");
fw.flush();
}
/* Create a file with feature not supported in deprecated version.
* New feature for 1.7, does not exist in 1.6.
*/
fsource = new File("Y.java");
try (Writer fw = new FileWriter(fsource)) {
fw.write("import java.util.List;\n");
fw.write("import java.util.ArrayList;\n");
fw.write("class Z { List<String> s = new ArrayList<>(); }\n");
fw.flush();
}
}
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;
}
}