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package org.graalvm.compiler.core.test;

import java.util.Formatter;

import org.junit.Test;

See Also:
  • https://bugs.openjdk.java.net/browse/JDK-8204914
/** * @see "https://bugs.openjdk.java.net/browse/JDK-8204914" */
public class ReverseBytesIntoArrayRegressionTest extends GraalCompilerTest { private static String toHexBytes(byte[] arr) { Formatter buf = new Formatter(); for (int b : arr) { buf.format("0x%x ", b & 0xff); } return buf.toString().trim(); } @Override protected void assertDeepEquals(Object expected, Object actual) { if (expected instanceof byte[] && actual instanceof byte[]) { super.assertDeepEquals(toHexBytes((byte[]) expected), toHexBytes((byte[]) actual)); } super.assertDeepEquals(expected, actual); } @Test public void test1() { test("serialize", 1); } protected static final short SERIAL_COOKIE = 12347; public static byte[] serialize(int size) { int v = Integer.reverseBytes(SERIAL_COOKIE | ((size - 1) << 16)); byte[] ba = new byte[4]; ba[0] = (byte) ((v >>> 24) & 0xFF); ba[1] = (byte) ((v >>> 16) & 0xFF); ba[2] = (byte) ((v >>> 8) & 0xFF); ba[3] = (byte) ((v >>> 0) & 0xFF); return ba; } }