/*

 * Copyright (c) 2013, 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.

 */

import java.lang.reflect.Executable;

import java.util.concurrent.Callable;

public class MathIntrinsic {

    enum IntIntrinsic implements CompilerWhiteBoxTest.TestCase {

        Add {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("addExact", int.class, int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.addExact(int1, int2);

            }

        },

       Subtract {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("subtractExact", int.class, int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.subtractExact(int1, int2);

            }

        },

        Multiply {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("multiplyExact", int.class, int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.multiplyExact(int1, int2);

            }

        },

        Increment {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("incrementExact", int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.incrementExact(int1);

            }

        },

        Decrement {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("decrementExact", int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.decrementExact(int1);

            }

        },

        Negate {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("negateExact", int.class);

            }

            @Override

            Object execMathMethod() {

                return intR = Math.negateExact(int1);

            }

        };

        protected int int1;

        protected int int2;

        protected int intR;

        abstract Executable testMethod() throws NoSuchMethodException, ClassNotFoundException;

        abstract Object execMathMethod();

        public Executable getTestMethod() {

            try {

                return testMethod();

            } catch (NoSuchMethodException e) {

                throw new RuntimeException("Test bug, no such method: " + e);

            } catch (ClassNotFoundException e) {

                throw new RuntimeException("Test bug, no such class: " + e);

            }

        }

        @Override

        public Executable getExecutable() {

            try {

                return getClass().getDeclaredMethod("execMathMethod");

            } catch (NoSuchMethodException e) {

                throw new RuntimeException("Test bug, no such method: " + e);

            }

        }

        @Override

        public Callable<Integer> getCallable() {

            return null;

        }

        @Override

        public boolean isOsr() {

            return false;

        }

    }

    enum LongIntrinsic implements CompilerWhiteBoxTest.TestCase {

        Add {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("addExact", long.class, long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.addExact(long1, long2);

            }

        },

        Subtract {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("subtractExact", long.class, long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.subtractExact(long1, long2);

            }

        },

        Multiply {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("multiplyExact", long.class, long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.multiplyExact(long1, long2);

            }

        },

        Increment {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("incrementExact", long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.incrementExact(long1);

            }

        },

        Decrement {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("decrementExact", long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.decrementExact(long1);

            }

        },

        Negate {

            @Override

            Executable testMethod() throws NoSuchMethodException, ClassNotFoundException {

                return Class.forName("java.lang.Math").getDeclaredMethod("negateExact", long.class);

            }

            @Override

            Object execMathMethod() {

                return longR = Math.negateExact(long1);

            }

        };

        protected long long1;

        protected long long2;

        protected long longR;

        abstract Executable testMethod() throws NoSuchMethodException, ClassNotFoundException;

        abstract Object execMathMethod();

        public Executable getTestMethod() {

            try {

                return testMethod();

            } catch (NoSuchMethodException e) {

                throw new RuntimeException("Test bug, no such method: " + e);

            } catch (ClassNotFoundException e) {

                throw new RuntimeException("Test bug, no such class: " + e);

            }

        }

        @Override

        public Executable getExecutable() {

            try {

                return getClass().getDeclaredMethod("execMathMethod");

            } catch (NoSuchMethodException e) {

                throw new RuntimeException("Test bug, no such method: " + e);

            }

        }

        @Override

        public Callable<Integer> getCallable() {

            return null;

        }

        @Override

        public boolean isOsr() {

            return false;

        }

    }

}