| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * 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 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); |
| } |