001/*
002 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.lang;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 */
031public class Math_sin extends JTTTest {
032
033    @SuppressWarnings("serial")
034    public static class NaN extends Throwable {
035    }
036
037    public static double test(double arg) throws NaN {
038        double v = Math.sin(arg) * Math.sin(arg * 5);
039        if (Double.isNaN(v)) {
040            // NaN can't be tested against itself
041            throw new NaN();
042        }
043        return v;
044    }
045
046    @Test
047    public void runFirst() throws Throwable {
048        /*
049         * Execute Double.isNaN enough times to create a profile indicating that the path returning
050         * false is never taken. Then compile and execute the test with a NaN value to test that
051         * deoptimization works in the case of an uncommon trap inlined into an intrinsic. Of
052         * course, this relies on Double.isNaN never having yet been called with NaN. if it has,
053         * this test is equivalent to run0.
054         */
055        for (int i = 0; i < 10000; i++) {
056            Double.isNaN(1D);
057        }
058        executeActual(getResolvedJavaMethod("test"), null, java.lang.Double.NaN);
059    }
060
061    @Test
062    public void run0() throws Throwable {
063        runTest("test", java.lang.Double.NaN);
064    }
065
066    @Test
067    public void run1() throws Throwable {
068        runTest("test", java.lang.Double.NEGATIVE_INFINITY);
069    }
070
071    @Test
072    public void run2() throws Throwable {
073        runTest("test", java.lang.Double.POSITIVE_INFINITY);
074    }
075
076    @Test
077    public void run3() throws Throwable {
078        runTest("test", -0.0d);
079    }
080
081    @Test
082    public void run4() throws Throwable {
083        runTest("test", 0.0d);
084    }
085
086}