diff -r 3d62cb85208d -r f705f25597eb test/compiler/6663621/IVTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6663621/IVTest.java Thu Mar 20 10:43:42 2008 -0700 @@ -0,0 +1,116 @@ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + */ + +/** + * @test + * @bug 6663621 + * @summary JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests. + */ + +public class IVTest { + static int paddedSize; + + static void padV15(byte[] padded) { + int psSize = padded.length; + int k = 0; + while (psSize-- > 0) { + padded[k++] = (byte)0xff; + } + } + + static void padV15_2(int paddedSize) { + byte[] padded = new byte[paddedSize]; + int psSize = padded.length; + int k = 0; + while (psSize-- > 0) { + padded[k++] = (byte)0xff; + } + } + + static void padV15_3() { + byte[] padded = new byte[paddedSize]; + int psSize = padded.length; + int k = 0; + while (psSize-- > 0) { + padded[k++] = (byte)0xff; + } + } + + static void padV15_4() { + byte[] padded = new byte[paddedSize]; + int psSize = padded.length; + for (int k = 0;psSize > 0; psSize--) { + int i = padded.length - psSize; + padded[i] = (byte)0xff; + } + } + + static void padV15_5() { + byte[] padded = new byte[paddedSize]; + int psSize = padded.length; + int k = psSize - 1; + for (int i = 0; i < psSize; i++) { + padded[k--] = (byte)0xff; + } + } + + public static void main(String argv[]) { + int bounds = 1024; + int lim = 500000; + long start = System.currentTimeMillis(); + for (int j = 0; j < lim; j++) { + paddedSize = j % bounds; + padV15(new byte[paddedSize]); + } + long end = System.currentTimeMillis(); + System.out.println(end - start); + start = System.currentTimeMillis(); + for (int j = 0; j < lim; j++) { + paddedSize = j % bounds; + padV15_2(paddedSize); + } + end = System.currentTimeMillis(); + System.out.println(end - start); + start = System.currentTimeMillis(); + for (int j = 0; j < lim; j++) { + paddedSize = j % bounds; + padV15_3(); + } + end = System.currentTimeMillis(); + System.out.println(end - start); + start = System.currentTimeMillis(); + for (int j = 0; j < lim; j++) { + paddedSize = j % bounds; + padV15_4(); + } + end = System.currentTimeMillis(); + System.out.println(end - start); + start = System.currentTimeMillis(); + for (int j = 0; j < lim; j++) { + paddedSize = j % bounds; + padV15_5(); + } + end = System.currentTimeMillis(); + System.out.println(end - start); + } +}