/*
* Copyright ( c ) 2006 , 2015 , 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 6394683
* @ summary need to resolve different file - type precedence semantics for javac and 269
* @ modules java . compiler
* jdk . compiler
*/
import java.io.*;
import javax.tools.*;
public class T6394683 {
static final String testSrc = System.getProperty("test.src" , "." );
static final File a_java = new File(testSrc, "A.java" );
static final File a_class = new File("A.class" );
static final File b_class = new File("B.class" );
static final File b_java = new File("B.java" );
static abstract class TestFile extends File {
TestFile(File file) {
super (file.getPath());
}
abstract void create() throws IOException;
}
static class JavaTestFile extends TestFile {
JavaTestFile(File file, String text) {
super (file);
this .text = text;
}
void create() throws IOException {
BufferedWriter out = new BufferedWriter(new FileWriter(this ));
out.write(text);
out.newLine();
out.close();
}
private String text;
}
static TestFile good_java = new JavaTestFile(b_java, "class B { }" );
static TestFile bad_java = new JavaTestFile(b_java, "class B" );
static TestFile good_class = new TestFile(b_class) {
void create() throws IOException {
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
int rc = javac.run(null , null , null ,
"-d" , "." ,
new File(testSrc, "B.java" ).getPath());
if (rc != 0 )
throw new AssertionError("compilation failed, rc=" + rc + " creating B.class" );
}
};
static TestFile bad_class = new TestFile(b_class) {
void create() throws IOException {
FileOutputStream out = new FileOutputStream(b_class);
out.close();
}
};
public static void main(String ... args) throws Exception {
boolean ok;
ok = test("-Xprefer:source" , good_java, bad_class);
ok &= test("-Xprefer:source" , bad_class, good_java);
ok &= test("-Xprefer:newer" , bad_java, good_class);
ok &= test("-Xprefer:newer" , bad_class, good_java);
if (!ok)
throw new AssertionError("test failed" );
}
static boolean test(String opt, TestFile older, TestFile newer) throws Exception {
// ensure clean start
a_class.delete ();
b_java.delete ();
b_class.delete ();
older.create();
newer.create();
if (!older.exists() || !newer.exists())
throw new AssertionError("error creating files" );
int n = 0 ;
while (newer.lastModified() <= older.lastModified()) {
if (++n == 5 )
throw new Error("Cannot create files" );
Thread .sleep(1000 );
newer.create();
}
System.err.println("test:"
+ "option:" + opt + ", "
+ "older:" + older + "[" + older.length() + ":" + older.lastModified() + "], "
+ "newer:" + newer + "[" + newer.length() + ":" + newer.lastModified() + "]" );
for (String s: new File("." ).list())
System.err.print(" " + s);
System.err.println();
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
int rc = javac.run(null , null , null ,
"-d" , "." ,
"-classpath" , "." ,
"-sourcepath" , "." ,
opt,
a_java.getPath());
if (rc != 0 ) {
error("compilation failed, rc=" + rc + ", option: " + opt + ", older:" + older + ", newer" + newer);
return false ;
}
return true ;
}
static void error(String msg) {
System.err.println(msg);
}
}
Messung V0.5 in Prozent C=96 H=88 G=91
¤ Dauer der Verarbeitung: 0.3 Sekunden
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