hotspot/test/runtime/classFileParserBug/BadNameAndType.java

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/*
 * @test
 * @bug 8042660
 * @summary Constant pool NameAndType entries must point to non-zero length Utf8 strings
 * @compile emptySigUtf8.jcod
 * @compile emptyNameUtf8.jcod
 * @run main/othervm -Xverify:all BadNameAndType
 */

// Test that a constant pool NameAndType descriptor_index and/or name_index
// that points to a zero length Utf8 string causes a ClassFormatError.
public class BadNameAndType {
    public static void main(String args[]) throws Throwable {

        System.out.println("Regression test for bug 8042660");

        // Test descriptor_index pointing to zero-length string.
        try {
            Class newClass = Class.forName("emptySigUtf8");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            System.out.println("Test BadNameAndType passed test case emptySigUtf8");
        }

        // Test name_index pointing to zero-length string.
        try {
            Class newClass = Class.forName("emptyNameUtf8");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            System.out.println("Test BadNameAndType passed test case emptyNameUtf8");
        }
    }
}