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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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/*
* @ test
* @ bug 6627362
* @ summary javac generates code that uses array . clone ,
* which is not available on JavaCard
* @ modules jdk . compiler
* jdk . jdeps / com . sun . tools . javap
*/
import java.io.*;
import java.lang.reflect.*;
import java.net.*;
import java.util.*;
public class T6627362 {
static String testSrc = System.getProperty("test.src" , "." );
public static void main(String... args) throws Exception {
new T6627362().run();
}
public void run() throws Exception {
testStandard();
testNoClone();
if (errors > 0 )
throw new Error(errors + " test cases failed" );
}
void testStandard() throws Exception {
// compile and disassemble E.java, check for reference to Object.clone()
File x = new File(testSrc, "x" );
String[] jcArgs = { "-d" , "." ,
new File(x, "E.java" ).getPath() };
compile(jcArgs);
String[] jpArgs = { "-classpath" , "." , "-c" , "E" };
StringWriter sw = new StringWriter();
javap(new PrintWriter(sw, true ), jpArgs);
check(sw.toString(), "Method \" [LE;\".clone:()Ljava/lang/Object;" );
callValues();
}
void testNoClone() throws Exception {
// compile and disassemble E.java, using modified Object.java,
// check for reference to System.arraycopy
File x = new File(testSrc, "x" );
String[] jcArgs = { "-d" , "." , "--patch-module" , "java.base=" + x.getAbsolutePath(),
new File(x, "E.java" ).getPath(),
new File(new File(new File(x, "java" ), "lang" ), "Object.java" ).getPath()};
compile(jcArgs);
String[] jpArgs = { "-classpath" , "." , "-c" , "E" };
StringWriter sw = new StringWriter();
javap(new PrintWriter(sw, true ), jpArgs);
check(sw.toString(), "// Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V");
callValues();
}
void compile(String... args) {
int rc = com.sun.tools.javac.Main.compile(args);
if (rc != 0 )
throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc);
}
void javap(PrintWriter out, String... args) throws Exception {
int rc = com.sun.tools.javap.Main.run(args, out);
if (rc != 0 )
throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc);
}
void check(String s, String require) {
System.out.println("Checking:\n" + s);
if (s.indexOf(require) == -1 ) {
System.err.println("Can't find " + require);
errors++;
}
}
void callValues() {
try {
File dot = new File(System.getProperty("user.dir" ));
ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() });
Class <?> e_class = cl.loadClass("E" );
Method m = e_class.getMethod("values" , new Class [] { });
//System.err.println(m);
Object o = m.invoke(null , (Object[]) null );
List<Object> v = Arrays.asList((Object[]) o);
if (!v.toString().equals("[a, b, c]" ))
throw new Error("unexpected result for E.values(): " + v);
} catch (Exception e) {
throw new Error(e);
}
}
int errors;
}
Messung V0.5 in Prozent C=96 H=91 G=93
¤ Dauer der Verarbeitung: 0.3 Sekunden
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