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* Copyright ( c ) 2008 , 2016 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
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*
* 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 .
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*/
/*
* @ test
* @ bug 4777949
* @ summary Warn javap usage on package with simple name
* @ modules jdk . jdeps / com . sun . tools . javap
*/
import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.tools.javap.*;
public class T4777949 {
public static void main(String... args) throws Exception {
new T4777949().run();
}
void run() throws Exception {
File javaFile = writeTestFile();
File classFile = compileTestFile(javaFile);
test("." , "p.q.r.Test" , false );
test("p" , "q.r.Test" , true );
test("p/q" , "r.Test" , true );
test("p/q/r" , "Test" , true );
test("." , "p.q.r.Test.Inner" , false );
test("." , "p.q.r.Test$Inner" , false );
test("p" , "q.r.Test.Inner" , true );
test("p" , "q.r.Test$Inner" , true );
if (errors > 0 )
throw new Exception(errors + " errors found" );
}
void test(String classPath, String className, boolean expectWarnings) {
List<Diagnostic<? extends JavaFileObject>> diags =
javap(Arrays.asList("-classpath" , classPath), Arrays.asList(className));
boolean foundWarnings = false ;
for (Diagnostic<? extends JavaFileObject> d: diags) {
if (d.getKind() == Diagnostic.Kind.WARNING)
foundWarnings = true ;
}
}
File writeTestFile() throws IOException {
File f = new File("Test.java" );
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
out.println("package p.q.r;" );
out.println("class Test { class Inner { } }" );
out.close();
return f;
}
File compileTestFile(File f) {
int rc = com.sun.tools.javac.Main.compile(new String[] { "-d" , "." , f.getPath() });
if (rc != 0 )
throw new Error("compilation failed. rc=" + rc);
String path = f.getPath();
return new File(path.substring(0 , path.length() - 5 ) + ".class" );
}
List<Diagnostic<? extends JavaFileObject>> javap(List<String> args, List<String> classes) {
DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
JavaFileManager fm = JavapFileManager.create(dc, pw);
JavapTask t = new JavapTask(pw, fm, dc, args, classes);
int ok = t.run();
List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
if (ok != 0 )
error("javap failed unexpectedly" );
System.err.println("args=" + args + " classes=" + classes + "\n"
+ diags + "\n"
+ sw);
return diags;
}
void error(String msg) {
System.err.println("error: " + msg);
errors++;
}
int errors;
}
Messung V0.5 in Prozent C=98 H=93 G=95
¤ Dauer der Verarbeitung: 0.3 Sekunden
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