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*
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* 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 ) .
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* bug 8071847
* @ summary Verify proper termination when instance initialization method uses invalid flags
* @ modules jdk . compiler
* @ compile T8071847 . java
* @ run main T8071847
*/
import java.io.*;
import java.util.*;
public class T8071847 {
String testclass="invalidFlags.class" ;
String testclassHexString =
"CAFEBABE00000031000D0A0003000A07000B07000C0100063C696E69743E0100" +
"03282956010004436F646501000F4C696E654E756D6265725461626C6501000A" +
"536F7572636546696C65010009546573742E6A6176610C0004000501000C696E" +
"76616C6964466C6167730100106A6176612F6C616E672F4F626A656374002000" +
"02000300000000000100A000040005000100060000001D00010001000000052A" +
"B70001B10000000100070000000600010000000100010008000000020009" ;
String testJavaFile = "testInvalidFlags.java" ;
String testJavaSource ="public class testInvalidFlags extends invalidFlags {" +
"invalidFlags c = null;" +
"public testInvalidFlags() { c = new invalidFlags(); }" +
"public static void main(String... args) { " +
"new testInvalidFlags();}}" ;
public static void main(String[] args) throws Exception {
new T8071847().run();
}
public void run() throws IOException {
writeHexFile(testclass,testclassHexString);
writeTestFile(testJavaFile, testJavaSource);
javac(testJavaFile);
}
File writeTestFile(String fname, String source) throws IOException {
File f = new File(fname);
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
out.println(source);
out.close();
return f;
}
byte [] hexToByte(String str) {
char [] CA = str.toCharArray();
byte [] byteArry = new byte [str.length()/2 ];
int bi = 0 ;
for (int i = 0 ; i<CA.length ; i+=2 ) {
char c1 = CA[i], c2=CA[i+1 ];
byteArry[bi++] = (byte )((Character.digit((int )c1,16 )<<4 ) +
Character.digit((int )c2,16 ));
}
return byteArry;
}
File writeHexFile(String classFileName, String hexString) throws IOException {
File f = new File(classFileName);
FileOutputStream output = new FileOutputStream(f);
output.write(hexToByte(hexString));
output.close();
return f;
}
String javac(String className) {
StringWriter sw = new StringWriter();
PrintWriter out = new PrintWriter(sw);
int rc = 0 ;
List<String> javacArgs = new ArrayList<>();
javacArgs.addAll(Arrays.asList("-XDrawDiagnostics" , "-cp" , "." , "-d" , "." , className));
rc = com.sun.tools.javac.Main.compile(
javacArgs.toArray(new String[javacArgs.size()]),out);
out.close();
if (rc > 1 ) {
System.out.println(sw.toString());
throw new Error("javac " + className + " failed. rc=" + rc);
}
if (rc != 1 || !sw.toString().contains("compiler.misc.malformed.vararg.method" ))
throw new RuntimeException("Unexpected output" + sw.toString());
return sw.toString();
}
}
Messung V0.5 in Prozent C=92 H=93 G=92
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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