/*
* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package org.graalvm.compiler.jtt.optimize;
import org.junit.Test;
import org.graalvm.compiler.jtt.JTTTest;
inspired by java.security.SecureRandom.longToByteArray(long).
/**
* inspired by java.security.SecureRandom.longToByteArray(long).
*
*/
public class LongToSomethingArray01 extends JTTTest {
public static byte[] longToByteArray(long arg) {
long l = arg;
byte[] ret = new byte[8];
for (int i = 0; i < 8; i++) {
ret[i] = (byte) (l & 0xff);
l = l >> 8;
}
return ret;
}
@Test
public void runB0() throws Throwable {
runTest("longToByteArray", 0x1122_3344_5566_7788L);
}
public static short[] longToShortArray(long arg) {
long l = arg;
short[] ret = new short[4];
for (int i = 0; i < 4; i++) {
ret[i] = (short) (l & 0xffff);
l = l >> 16;
}
return ret;
}
@Test
public void runS0() throws Throwable {
runTest("longToShortArray", 0x1122_3344_5566_7788L);
}
public static int[] longToIntArray(long arg) {
long l = arg;
int[] ret = new int[2];
for (int i = 0; i < 2; i++) {
ret[i] = (int) (l & 0xffff_ffff);
l = l >> 32;
}
return ret;
}
@Test
public void runI0() throws Throwable {
runTest("longToIntArray", 0x1122_3344_5566_7788L);
}
public static long[] longToLongArray(long arg) {
long l = arg;
long[] ret = new long[1];
for (int i = 0; i < 1; i++) {
ret[i] = l & 0xffff_ffff_ffff_ffffL;
l = l >> 64;
}
return ret;
}
@Test
public void runL0() throws Throwable {
runTest("longToLongArray", 0x1122_3344_5566_7788L);
}
}