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 * 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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 * questions.

 */

/**

 * @test

 * @bug 8220018

 * @summary Verify that try-catch-finally inside a switch expression works properly.

 */

public class TryCatchFinally {//TODO: yield <double>

    public static void main(String[] args) {

        for (int p1 = 0; p1 < 2; p1++) {

            for (int p2 = 0; p2 < 2; p2++) {

                for (int p3 = 0; p3 < 2; p3++) {

                    for (int p4 = 0; p4 < 2; p4++) {

                        for (int p5 = 0; p5 < 2; p5++) {

                            for (int p6 = 0; p6 < 3; p6++) {

                                int actual = runSwitchesOrdinary(p1, p2, p3, p4, p5, p6);

                                int expected = computeExpectedOrdinary(p1, p2, p3, p4, p5, p6);

                                if (actual != expected) {

                                    throw new IllegalStateException("actual=" + actual + "; " +

                                                                    "expected=" + expected + ", parameters: " + p1 + ", " + p2 + ", " + p3 + ", " + p4 + ", " + p5 + ", " + p6 + ", ");

                                }

                            }

                        }

                    }

                }

            }

        }

        {

            boolean correct = false;

            int v;

            if (switch (0) {

                case 0:

                    try {

                        if (true) {

                            throw new MarkerException();

                        }

                        yield false;

                    } catch (MarkerException ex) {

                        yield false;

                    } finally {

                        v = 0;

                        yield true;

                    }

                default: yield false;

            } && v == 0) {

                correct = true;

            }

            if (!correct) {

                throw new IllegalStateException();

            }

        }

        {

            boolean correct = false;

            if (switch (0) {

                case 0:

                    try {

                        if (true) {

                            throw new MarkerException();

                        }

                        yield new TryCatchFinally().fls();

                    } catch (MarkerException ex) {

                        yield new TryCatchFinally().fls();

                    } finally {

                        yield true;

                    }

                default: yield new TryCatchFinally().fls();

            }) {

                correct = true;

            }

            if (!correct) {

                throw new IllegalStateException();

            }

        }

        {

            E e = E.A;

            boolean correct = false;

            int v;

            if (switch (0) {

                case 0:

                    try {

                        if (true) {

                            throw new MarkerException();

                        }

                        yield false;

                    } catch (MarkerException ex) {

                        v = 0;

                        yield true;

                    } finally {

                        try {

                            if (true)

                                throw new MarkerException();

                        } catch (MarkerException ex) {

                            e = e.next();

                        }

                    }

                default: yield false;

            } && v == 0) {

                correct = true;

            }

            if (!correct) {

                throw new IllegalStateException();

            }

        }

        {

            E e = E.A;

            boolean correct = false;

            int v;

            if (switch (0) {

                case 0:

                    try {

                        if (true) {

                            throw new MarkerException();

                        }

                        yield false;

                    } catch (MarkerException ex) {

                        yield false;

                    } finally {

                        try {

                            if (true)

                                throw new MarkerException();

                        } catch (MarkerException ex) {

                            e = e.next();

                        } finally {

                            v = 0;

                            yield true;

                        }

                    }

                default: yield false;

            } && v == 0) {

                correct = true;

            }

            if (!correct) {

                throw new IllegalStateException();

            }

        }

        {

            boolean correct = false;

            if (!switch (0) {

                default -> {

                    try {

                        yield switch(0) { default -> true; };

                    }

                    finally {

                        yield false;

                    }

                }

            }) {

                correct = true;

            }

            if (!correct) {

                throw new IllegalStateException();

            }

        }

    }

    private static int runSwitchesOrdinary(int p1, int p2, int p3, int p4, int p5, int p6) {

        return 1 + switch (p1) {

            case 0:

                try {

                    if (p2 == 0) {

                        new TryCatchFinally().throwException();

                    }

                    try {

                        yield 10 + switch (p3) {

                            case 0 -> {

                                try {

                                    if (p4  == 0) {

                                        new TryCatchFinally().throwException();

                                    }

                                    yield 100;

                                } catch (Throwable ex) {

                                    yield 200;

                                } finally {

                                    if (p6 == 0) {

                                        yield 300;

                                    } else if (p6 == 1) {

                                        throw new MarkerException();

                                    }

                                }

                            }

                            default -> 400;

                        };

                    } catch (MarkerException me) {

                        yield 510;

                    }

                } catch(Throwable ex) {

                    try {

                        yield 20 + switch (p3) {

                            case 0 -> {

                                try {

                                    if (p4  == 0) {

                                        new TryCatchFinally().throwException();

                                    }

                                    yield 100;

                                } catch (Throwable ex2) {

                                    yield 200;

                                } finally {

                                    if (p6 == 0) {

                                        yield 300;

                                    } else if (p6 == 1) {

                                        throw new MarkerException();

                                    }

                                }

                            }

                            default -> 400;

                        };

                    } catch (MarkerException me) {

                        yield 520;

                    }

                } finally {

                    if (p5 == 0) {

                        try {

                            yield 30 + switch (p3) {

                                case 0 -> {

                                    try {

                                        if (p4  == 0) {

                                            new TryCatchFinally().throwException();

                                        }

                                        yield 100;

                                    } catch (Throwable ex) {

                                        yield 200;

                                    } finally {

                                        if (p6 == 0) {

                                            yield 300;

                                        } else if (p6 == 1) {

                                            throw new MarkerException();

                                        }

                                    }

                                }

                                default -> 400;

                            };

                        } catch (MarkerException me) {

                            yield 530;

                        }

                    }

                }

            default: yield 40;

        };

    }

    private static int computeExpectedOrdinary(int p1, int p2, int p3, int p4, int p5, int p6) {

        int expected = 0;

        if (p1 == 0) {

            if (p5 == 0) {

                expected = 30;

            } else if (p2 == 0) {

                expected = 20;

            } else {

                expected = 10;

            }

            if (p3 == 0) {

                if (p6 == 0) {

                    expected += 300;

                } else if (p6 == 1) {

                    expected += 500;

                } else if (p4 == 0) {

                    expected += 200;

                } else {

                    expected += 100;

                }

            } else {

                expected += 400;

            }

        } else {

            expected = 40;

        }

        expected += 1;

        return expected;

    }

    private boolean fls() {

        return false;

    }

    private void throwException() {

        throw new RuntimeException();

    }

    static class MarkerException extends Throwable {}

    enum E {

        A, B, C;

        public E next() {

            return values()[(ordinal() + 1) % values().length];

        }

    }

}