hotspot/test/runtime/verifier/PrimIntArray.java
author hseigel
Wed, 22 Jul 2015 08:00:38 -0400
changeset 31966 aa9c386e1240
child 41705 332239c052cc
permissions -rw-r--r--
8129895: New verifier fails to reject erroneous cast from int[] to other arrays of small integer types Summary: Only allow assignability of arrays of primitive types if the types are identical Reviewed-by: dholmes, gtriantafill

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8129895
 * @summary Throw VerifyError when checking assignability of primitive arrays
 * that are not identical.  For example, [I is not assignable to [B.
 * @compile primArray.jasm
 * @compile primArray49.jasm
 * @run main/othervm -Xverify:all PrimIntArray
 */

// Test that an int[] is not assignable to byte[].
public class PrimIntArray {

    public static void main(String args[]) throws Throwable {
        System.out.println("Regression test for bug 8129895");

        try {
            Class newClass = Class.forName("primArray");
            throw new RuntimeException("Expected VerifyError exception not thrown with new verifier");
        } catch (java.lang.VerifyError e) {
            System.out.println("Test PrimIntArray passed with new verifier");
        }

        try {
            Class newClass = Class.forName("primArray49");
            throw new RuntimeException("Expected VerifyError exception not thrown by old verifier");
        } catch (java.lang.VerifyError e) {
            System.out.println("Test PrimIntArray passed with old verifier");
        }
    }
}