/*

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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

 *

 * 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 8003639

 * @summary convert lambda testng tests to jtreg and add them

 * @run testng LambdaTranslationTest1

 */

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

@Test

public class LambdaTranslationTest1 extends LT1Sub {

    String cntxt = "blah";

    private static final ThreadLocal<Object> result = new ThreadLocal<>();

    private static void setResult(Object s) { result.set(s); }

    private static void appendResult(Object s) { result.set(result.get().toString() + s); }

    private static void assertResult(String expected) {

        assertEquals(result.get().toString(), expected);

    }

    static Integer count(String s) {

        return s.length();

    }

    static int icount(String s) {

        return s.length();

    }

    static void eye(Integer i) {

        setResult(String.format("I:%d", i));

    }

    static void ieye(int i) {

        setResult(String.format("i:%d", i));

    }

    static void deye(double d) {

        setResult(String.format("d:%f", d));

    }

    public void testLambdas() {

        TBlock<Object> b = t -> {setResult("Sink0::" + t);};

        b.apply("Howdy");

        assertResult("Sink0::Howdy");

        TBlock<String> b1 = t -> {setResult("Sink1::" + t);};

        b1.apply("Rowdy");

        assertResult("Sink1::Rowdy");

        for (int i = 5; i < 10; ++i) {

            TBlock<Integer> b2 = t -> {setResult("Sink2::" + t);};

            b2.apply(i);

            assertResult("Sink2::" + i);

        }

        TBlock<Integer> b3 = t -> {setResult("Sink3::" + t);};

        for (int i = 900; i > 0; i -= 100) {

            b3.apply(i);

            assertResult("Sink3::" + i);

        }

        cntxt = "blah";

        TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};

        b4.apply("Yor");

        assertResult("b4: blah .. Yor");

        String flaw = "flaw";

        TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};

        b5.apply("BB");

        assertResult("b5: flaw .. BB");

        cntxt = "flew";

        TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};

        b6.apply("flee");

        assertResult("b6: flee .. flew .. flaw");

        TBlock<String> b7 = t -> {setResult(String.format("b7: %s %s", t, this.protectedSuperclassMethod()));};

        b7.apply("this:");

        assertResult("b7: this: instance:flew");

        TBlock<String> b8 = t -> {setResult(String.format("b8: %s %s", t, super.protectedSuperclassMethod()));};

        b8.apply("super:");

        assertResult("b8: super: I'm the sub");

        TBlock<String> b7b = t -> {setResult(String.format("b9: %s %s", t, protectedSuperclassMethod()));};

        b7b.apply("implicit this:");

        assertResult("b9: implicit this: instance:flew");

        TBlock<Object> b10 = t -> {setResult(String.format("b10: new LT1Thing: %s", (new LT1Thing(t)).str));};

        b10.apply("thing");

        assertResult("b10: new LT1Thing: thing");

        TBlock<Object> b11 = t -> {setResult(String.format("b11: %s", (new LT1Thing(t) {

            String get() {

                return "*" + str.toString() + "*";

            }

        }).get()));};

        b11.apply(999);

        assertResult("b11: *999*");

    }

    public void testMethodRefs() {

        LT1IA ia = LambdaTranslationTest1::eye;

        ia.doit(1234);

        assertResult("I:1234");

        LT1IIA iia = LambdaTranslationTest1::ieye;

        iia.doit(1234);

        assertResult("i:1234");

        LT1IA da = LambdaTranslationTest1::deye;

        da.doit(1234);

        assertResult("d:1234.000000");

        LT1SA a = LambdaTranslationTest1::count;

        assertEquals((Integer) 5, a.doit("howdy"));

        a = LambdaTranslationTest1::icount;

        assertEquals((Integer) 6, a.doit("shower"));

    }

    public void testInner() throws Exception {

        (new In()).doInner();

    }

    protected String protectedSuperclassMethod() {

        return "instance:" + cntxt;

    }

    private class In {

        private int that = 1234;

        void doInner() {

            TBlock<String> i4 = t -> {setResult(String.format("i4: %d .. %s", that, t));};

            i4.apply("=1234");

            assertResult("i4: 1234 .. =1234");

            TBlock<String> i5 = t -> {setResult(""); appendResult(t); appendResult(t);};

            i5.apply("fruit");

            assertResult("fruitfruit");

            cntxt = "human";

            TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};

            b4.apply("bin");

            assertResult("b4: human .. bin");

            final String flaw = "flaw";

/**

 Callable<String> c5 = () ->  "["+flaw+"]" ;

 System.out.printf("c5: %s\n", c5.call() );

 **/

            TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};

            b5.apply("BB");

            assertResult("b5: flaw .. BB");

            cntxt = "borg";

            TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};

            b6.apply("flee");

            assertResult("b6: flee .. borg .. flaw");

            TBlock<String> b7b = t -> {setResult(String.format("b7b: %s %s", t, protectedSuperclassMethod()));};

            b7b.apply("implicit outer this");

            assertResult("b7b: implicit outer this instance:borg");

            /**

             TBlock<Object> b9 = t -> { System.out.printf("New: %s\n", (new LT1Thing(t)).str); };

             b9.apply("thing");

             TBlock<Object> ba = t -> { System.out.printf("Def: %s\n", (new LT1Thing(t) { String get() { return "*" + str.toString() +"*";}}).get() ); };

             ba.apply(999);

             */

        }

    }

}

class LT1Sub {

    protected String protectedSuperclassMethod() {

        return "I'm the sub";

    }

}

class LT1Thing {

    final Object str;

    LT1Thing(Object s) {

        str = s;

    }

}

interface LT1SA {

    Integer doit(String s);

}

interface LT1IA {

    void doit(int i);

}

interface LT1IIA {

    void doit(Integer i);

}