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/*
 * @test
 * @bug 8268720
 * @summary Constant pool NameAndType entries with valid but incompatible method
 *          name and signature shouldn't cause an exception until referenced by
 *          a method_ref.
 * @compile nonVoidInitSig.jcod
 * @run main/othervm -Xverify:remote NameAndTypeSig
 */

// Test constant pool NameAndType descriptors with valid but incompatible method
// names and signatures.
public class NameAndTypeSig {
    public static void main(String args[]) throws Throwable {

        // Test that an unreferenced NameAndType with a valid name and signature
        // is allowed even for name and signature pairs such as <init>()D.
        Class newClass = Class.forName("nonVoidInitSig");

        // Test that a NameAndType with a valid name and signature is allowed for
        // name and signature pairs such as <init>()D, but not allowed by a cp
        // Method_ref.
        try {
            Class newClass2 = Class.forName("nonVoidInitSigCFE");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            if (!e.getMessage().contains("Method \"<init>\" in class nonVoidInitSigCFE has illegal signature")) {
                throw new RuntimeException("Wrong ClassFormatError exception: " + e.getMessage());
            }
        }

        // Test that a NameAndType with a valid name and invalid signature throws a
        // ClassFormatError exception with a message containing the name <init> and
        // the bad signature.
        try {
            Class newClass2 = Class.forName("voidInitBadSig");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            if (!e.getMessage().contains("Method \"<init>\" in class voidInitBadSig has illegal signature \"()))V\"")) {
                throw new RuntimeException("Wrong ClassFormatError exception: " + e.getMessage());
            }
        }
        System.out.println("Test NameAndTypeSig passed.");
    }
}