aoqi@0: /*
aoqi@0:  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug 8003639
aoqi@0:  * @summary convert lambda testng tests to jtreg and add them
aoqi@0:  * @run testng LambdaTranslationTest1
aoqi@0:  */
aoqi@0: 
aoqi@0: import org.testng.annotations.Test;
aoqi@0: 
aoqi@0: import static org.testng.Assert.assertEquals;
aoqi@0: 
aoqi@0: @Test
aoqi@0: public class LambdaTranslationTest1 extends LT1Sub {
aoqi@0: 
aoqi@0:     String cntxt = "blah";
aoqi@0: 
aoqi@0:     private static final ThreadLocal<Object> result = new ThreadLocal<>();
aoqi@0: 
aoqi@0:     private static void setResult(Object s) { result.set(s); }
aoqi@0:     private static void appendResult(Object s) { result.set(result.get().toString() + s); }
aoqi@0: 
aoqi@0:     private static void assertResult(String expected) {
aoqi@0:         assertEquals(result.get().toString(), expected);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static Integer count(String s) {
aoqi@0:         return s.length();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static int icount(String s) {
aoqi@0:         return s.length();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void eye(Integer i) {
aoqi@0:         setResult(String.format("I:%d", i));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void ieye(int i) {
aoqi@0:         setResult(String.format("i:%d", i));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void deye(double d) {
aoqi@0:         setResult(String.format("d:%f", d));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void testLambdas() {
aoqi@0:         TBlock<Object> b = t -> {setResult("Sink0::" + t);};
aoqi@0:         b.apply("Howdy");
aoqi@0:         assertResult("Sink0::Howdy");
aoqi@0: 
aoqi@0:         TBlock<String> b1 = t -> {setResult("Sink1::" + t);};
aoqi@0:         b1.apply("Rowdy");
aoqi@0:         assertResult("Sink1::Rowdy");
aoqi@0: 
aoqi@0:         for (int i = 5; i < 10; ++i) {
aoqi@0:             TBlock<Integer> b2 = t -> {setResult("Sink2::" + t);};
aoqi@0:             b2.apply(i);
aoqi@0:             assertResult("Sink2::" + i);
aoqi@0:         }
aoqi@0: 
aoqi@0:         TBlock<Integer> b3 = t -> {setResult("Sink3::" + t);};
aoqi@0:         for (int i = 900; i > 0; i -= 100) {
aoqi@0:             b3.apply(i);
aoqi@0:             assertResult("Sink3::" + i);
aoqi@0:         }
aoqi@0: 
aoqi@0:         cntxt = "blah";
aoqi@0:         TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
aoqi@0:         b4.apply("Yor");
aoqi@0:         assertResult("b4: blah .. Yor");
aoqi@0: 
aoqi@0:         String flaw = "flaw";
aoqi@0:         TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
aoqi@0:         b5.apply("BB");
aoqi@0:         assertResult("b5: flaw .. BB");
aoqi@0: 
aoqi@0:         cntxt = "flew";
aoqi@0:         TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
aoqi@0:         b6.apply("flee");
aoqi@0:         assertResult("b6: flee .. flew .. flaw");
aoqi@0: 
aoqi@0:         TBlock<String> b7 = t -> {setResult(String.format("b7: %s %s", t, this.protectedSuperclassMethod()));};
aoqi@0:         b7.apply("this:");
aoqi@0:         assertResult("b7: this: instance:flew");
aoqi@0: 
aoqi@0:         TBlock<String> b8 = t -> {setResult(String.format("b8: %s %s", t, super.protectedSuperclassMethod()));};
aoqi@0:         b8.apply("super:");
aoqi@0:         assertResult("b8: super: I'm the sub");
aoqi@0: 
aoqi@0:         TBlock<String> b7b = t -> {setResult(String.format("b9: %s %s", t, protectedSuperclassMethod()));};
aoqi@0:         b7b.apply("implicit this:");
aoqi@0:         assertResult("b9: implicit this: instance:flew");
aoqi@0: 
aoqi@0:         TBlock<Object> b10 = t -> {setResult(String.format("b10: new LT1Thing: %s", (new LT1Thing(t)).str));};
aoqi@0:         b10.apply("thing");
aoqi@0:         assertResult("b10: new LT1Thing: thing");
aoqi@0: 
aoqi@0:         TBlock<Object> b11 = t -> {setResult(String.format("b11: %s", (new LT1Thing(t) {
aoqi@0:             String get() {
aoqi@0:                 return "*" + str.toString() + "*";
aoqi@0:             }
aoqi@0:         }).get()));};
aoqi@0:         b11.apply(999);
aoqi@0:         assertResult("b11: *999*");
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void testMethodRefs() {
aoqi@0:         LT1IA ia = LambdaTranslationTest1::eye;
aoqi@0:         ia.doit(1234);
aoqi@0:         assertResult("I:1234");
aoqi@0: 
aoqi@0:         LT1IIA iia = LambdaTranslationTest1::ieye;
aoqi@0:         iia.doit(1234);
aoqi@0:         assertResult("i:1234");
aoqi@0: 
aoqi@0:         LT1IA da = LambdaTranslationTest1::deye;
aoqi@0:         da.doit(1234);
aoqi@0:         assertResult("d:1234.000000");
aoqi@0: 
aoqi@0:         LT1SA a = LambdaTranslationTest1::count;
aoqi@0:         assertEquals((Integer) 5, a.doit("howdy"));
aoqi@0: 
aoqi@0:         a = LambdaTranslationTest1::icount;
aoqi@0:         assertEquals((Integer) 6, a.doit("shower"));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void testInner() throws Exception {
aoqi@0:         (new In()).doInner();
aoqi@0:     }
aoqi@0: 
aoqi@0:     protected String protectedSuperclassMethod() {
aoqi@0:         return "instance:" + cntxt;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private class In {
aoqi@0: 
aoqi@0:         private int that = 1234;
aoqi@0: 
aoqi@0:         void doInner() {
aoqi@0:             TBlock<String> i4 = t -> {setResult(String.format("i4: %d .. %s", that, t));};
aoqi@0:             i4.apply("=1234");
aoqi@0:             assertResult("i4: 1234 .. =1234");
aoqi@0: 
aoqi@0:             TBlock<String> i5 = t -> {setResult(""); appendResult(t); appendResult(t);};
aoqi@0:             i5.apply("fruit");
aoqi@0:             assertResult("fruitfruit");
aoqi@0: 
aoqi@0:             cntxt = "human";
aoqi@0:             TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
aoqi@0:             b4.apply("bin");
aoqi@0:             assertResult("b4: human .. bin");
aoqi@0: 
aoqi@0:             final String flaw = "flaw";
aoqi@0: 
aoqi@0: /**
aoqi@0:  Callable<String> c5 = () ->  "["+flaw+"]" ;
aoqi@0:  System.out.printf("c5: %s\n", c5.call() );
aoqi@0:  **/
aoqi@0: 
aoqi@0:             TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
aoqi@0:             b5.apply("BB");
aoqi@0:             assertResult("b5: flaw .. BB");
aoqi@0: 
aoqi@0:             cntxt = "borg";
aoqi@0:             TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
aoqi@0:             b6.apply("flee");
aoqi@0:             assertResult("b6: flee .. borg .. flaw");
aoqi@0: 
aoqi@0:             TBlock<String> b7b = t -> {setResult(String.format("b7b: %s %s", t, protectedSuperclassMethod()));};
aoqi@0:             b7b.apply("implicit outer this");
aoqi@0:             assertResult("b7b: implicit outer this instance:borg");
aoqi@0: 
aoqi@0:             /**
aoqi@0:              TBlock<Object> b9 = t -> { System.out.printf("New: %s\n", (new LT1Thing(t)).str); };
aoqi@0:              b9.apply("thing");
aoqi@0: 
aoqi@0:              TBlock<Object> ba = t -> { System.out.printf("Def: %s\n", (new LT1Thing(t) { String get() { return "*" + str.toString() +"*";}}).get() ); };
aoqi@0:              ba.apply(999);
aoqi@0: 
aoqi@0:              */
aoqi@0:         }
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: class LT1Sub {
aoqi@0:     protected String protectedSuperclassMethod() {
aoqi@0:         return "I'm the sub";
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: class LT1Thing {
aoqi@0:     final Object str;
aoqi@0: 
aoqi@0:     LT1Thing(Object s) {
aoqi@0:         str = s;
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: interface LT1SA {
aoqi@0:     Integer doit(String s);
aoqi@0: }
aoqi@0: 
aoqi@0: interface LT1IA {
aoqi@0:     void doit(int i);
aoqi@0: }
aoqi@0: 
aoqi@0: interface LT1IIA {
aoqi@0:     void doit(Integer i);
aoqi@0: }