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 /*

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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.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * 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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 /**

  * @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);

 }