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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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug 8214031 8221413

 * @summary Verify that definite assignment when true works (legal code)

 */

public class DefiniteAssignment1 {

    public static void main(String[] args) {

        int a = 0;

        boolean b = true;

        {

        int x;

        boolean t1 = (b && switch(a) {

            case 0: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t1) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t1 = (b && switch(a) {

            case 0: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t1) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t1a = (b && switch(a) {

            case 0: yield (x = 1) == 1;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t1a) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t1b = (switch(a) {

            case 0: yield (x = 1) == 1;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t1b) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t2 = !(b && switch(a) {

            case 0: yield (x = 1) == 1 || true;

            default: yield false;

        }) || x == 1;

        if (!t2) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t2 = !(b && switch(a) {

            case 0: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) || x == 1;

        if (!t2) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t3 = !(switch(a) {

            case 0: yield (x = 1) == 1 || true;

            default: yield false;

        }) || x == 2;

        if (t3) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t3 = !(switch(a) {

            case 0: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) || x == 2;

        if (t3) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t4 = (b && switch(a) {

            case 0: yield (x = 1) == 1 || true;

            default: throw new IllegalStateException();

        }) && x == 1; //x is definitelly assigned here

        if (!t4) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        boolean t4 = (b && switch(a) {

            case 0: yield (x = 1) == 1 || isTrue();

            default: throw new IllegalStateException();

        }) && x == 1; //x is definitelly assigned here

        if (!t4) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        String s = "a";

        boolean t5 = (switch(s) {

            case "a": yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t5) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        String s = "a";

        boolean t5 = (switch(s) {

            case "a": yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t5) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.B;

        boolean t6 = (switch(e) {

            case B: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t6) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.B;

        boolean t6 = (switch(e) {

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t6) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        int t7 = new DefiniteAssignment1().id(switch(0) {

            default -> true;

        } && (x = 1) == 1 && x == 1 ? 2 : -1);

        if (t7 != 2) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        int t7 = new DefiniteAssignment1().id(switch(0) {

            default -> isTrue();

        } && (x = 1) == 1 && x == 1 ? 2 : -1);

        if (t7 != 2) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.B;

        boolean t8 = (switch(e) {

            case A: x = 1; yield true;

            case B: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t8) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.B;

        boolean t8 = (switch(e) {

            case A: x = 1; yield isTrue();

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t8) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.A;

        boolean t9 = (switch(e) {

            case A: x = 1; yield true;

            case B: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t9) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.A;

        boolean t9 = (switch(e) {

            case A: x = 1; yield isTrue();

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!t9) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.C;

        boolean tA = (switch(e) {

            case A: x = 1; yield true;

            case B: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.C;

        boolean tA = (switch(e) {

            case A: x = 1; yield isTrue();

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        final int x;

        E e = E.C;

        boolean tA = (switch(e) {

            case A: x = 1; yield true;

            case B: yield (x = 2) == 2 || true;

            default: yield false;

        }) || (x = 3) == 3; //x is definitelly unassigned here

        if (x != 3) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.A;

        boolean tA = (switch(e) {

            case A: yield isTrue() && (x = 1) == 1;

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.A;

        boolean tA = (switch(e) {

            case A: yield isTrue() && e != E.C ? (x = 1) == 1 && e != E.B : false;

            case B: yield (x = 1) == 1 || true;

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        {

        int x;

        E e = E.A;

        boolean tA = (switch(e) {

            case A: yield isTrue() && e != E.C ? (x = 1) == 1 && e != E.B : false;

            case B: yield (x = 1) == 1 || isTrue();

            default: yield false;

        }) && x == 1; //x is definitelly assigned here

        if (!tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        { //JDK-8221413: definite assignment for implicit default in switch expressions

        int x;

        E e = E.A;

        int v = (switch(e) {

            case A -> x = 0;

            case B -> x = 0;

            case C -> x = 0;

        });

        if (x != 0 || v != 0) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

        { //JDK-8221413: definite assignment for implicit default in switch expressions

        int x;

        E e = E.A;

        boolean tA = (switch(e) {

            case A -> { x = 1; yield true; }

            case B -> { x = 1; yield true; }

            case C -> { x = 1; yield true; }

        }) && x == 1; //x is definitelly assigned here

        if (!tA) {

            throw new IllegalStateException("Unexpected result.");

        }

        }

    }

    private int id(int v) {

        return v;

    }

    private static boolean isTrue() {

        return true;

    }

    enum E {

        A, B, C;

    }

}