Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/hotspot/Test6959129.java @ 15265:34af9fbce1d4
Use ignore instead of commenting out tests. Add timeout for some tests that may block forever
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 22 Apr 2014 17:50:13 +0200 |
parents | 4cc0efe5cffe |
children |
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/* * Copyright (c) 2011, 2012, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.jtt.hotspot; import org.junit.*; import com.oracle.graal.jtt.*; public class Test6959129 extends JTTTest { public static long test() { int min = Integer.MAX_VALUE - 30000; int max = Integer.MAX_VALUE; return maxMoves(min, max); } /** * Imperative implementation that returns the length hailstone moves for a given number. */ public static long hailstoneLengthImp(long n2) { long n = n2; long moves = 0; while (n != 1) { if (n <= 1) { throw new IllegalStateException(); } if (isEven(n)) { n = n / 2; } else { n = 3 * n + 1; } ++moves; } return moves; } private static boolean isEven(long n) { return n % 2 == 0; } /** * Returns the maximum length of the hailstone sequence for numbers between min to max. * * For rec1 - Assume that min is bigger than max. */ public static long maxMoves(int min, int max) { long maxmoves = 0; for (int n = min; n <= max; n++) { long moves = hailstoneLengthImp(n); if (moves > maxmoves) { maxmoves = moves; } } return maxmoves; } @Test(timeout = 20000) public void run0() throws Throwable { runTest("test"); } }