jdk-24/test/langtools/tools/javac/T6435291/T6435291.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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     6435291
 * @summary javac shouldn't throw NPE while compiling invalid RuntimeInvisibleParameterAnnotations
 * @author  Wei Tao
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.code
 *          jdk.compiler/com.sun.tools.javac.comp
 *          jdk.compiler/com.sun.tools.javac.main
 *          jdk.compiler/com.sun.tools.javac.util
 * @build T
 * @run main/othervm T6435291
 */

import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.code.ClassFinder.BadClassFile;
import com.sun.tools.javac.code.Symtab;
import com.sun.tools.javac.main.JavaCompiler;
import javax.tools.ToolProvider;

public class T6435291 {
    public static void main(String... args) {
        javax.tools.JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
        JavacTaskImpl task = (JavacTaskImpl)tool.getTask(null, null, null, null, null, null);
        Symtab syms = Symtab.instance(task.getContext());
        task.ensureEntered();
        JavaCompiler compiler = JavaCompiler.instance(task.getContext());
        try {
            compiler.resolveIdent(syms.unnamedModule, "T").complete();
        } catch (BadClassFile e) {
            System.err.println("Passed: expected completion failure " + e.getClass().getName());
            return;
        } catch (Exception e) {
            throw new RuntimeException("Failed: unexpected exception");
        }
        throw new RuntimeException("Failed: no error reported");
    }
}