1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambda/lambdaExecution/LambdaTranslationTest1.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,234 @@
1.4 +/*
1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +/**
1.30 + * @test
1.31 + * @bug 8003639
1.32 + * @summary convert lambda testng tests to jtreg and add them
1.33 + * @run testng LambdaTranslationTest1
1.34 + */
1.35 +
1.36 +import org.testng.annotations.Test;
1.37 +
1.38 +import static org.testng.Assert.assertEquals;
1.39 +
1.40 +@Test
1.41 +public class LambdaTranslationTest1 extends LT1Sub {
1.42 +
1.43 + String cntxt = "blah";
1.44 +
1.45 + private static final ThreadLocal<Object> result = new ThreadLocal<>();
1.46 +
1.47 + private static void setResult(Object s) { result.set(s); }
1.48 + private static void appendResult(Object s) { result.set(result.get().toString() + s); }
1.49 +
1.50 + private static void assertResult(String expected) {
1.51 + assertEquals(result.get().toString(), expected);
1.52 + }
1.53 +
1.54 + static Integer count(String s) {
1.55 + return s.length();
1.56 + }
1.57 +
1.58 + static int icount(String s) {
1.59 + return s.length();
1.60 + }
1.61 +
1.62 + static void eye(Integer i) {
1.63 + setResult(String.format("I:%d", i));
1.64 + }
1.65 +
1.66 + static void ieye(int i) {
1.67 + setResult(String.format("i:%d", i));
1.68 + }
1.69 +
1.70 + static void deye(double d) {
1.71 + setResult(String.format("d:%f", d));
1.72 + }
1.73 +
1.74 + public void testLambdas() {
1.75 + TBlock<Object> b = t -> {setResult("Sink0::" + t);};
1.76 + b.apply("Howdy");
1.77 + assertResult("Sink0::Howdy");
1.78 +
1.79 + TBlock<String> b1 = t -> {setResult("Sink1::" + t);};
1.80 + b1.apply("Rowdy");
1.81 + assertResult("Sink1::Rowdy");
1.82 +
1.83 + for (int i = 5; i < 10; ++i) {
1.84 + TBlock<Integer> b2 = t -> {setResult("Sink2::" + t);};
1.85 + b2.apply(i);
1.86 + assertResult("Sink2::" + i);
1.87 + }
1.88 +
1.89 + TBlock<Integer> b3 = t -> {setResult("Sink3::" + t);};
1.90 + for (int i = 900; i > 0; i -= 100) {
1.91 + b3.apply(i);
1.92 + assertResult("Sink3::" + i);
1.93 + }
1.94 +
1.95 + cntxt = "blah";
1.96 + TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
1.97 + b4.apply("Yor");
1.98 + assertResult("b4: blah .. Yor");
1.99 +
1.100 + String flaw = "flaw";
1.101 + TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
1.102 + b5.apply("BB");
1.103 + assertResult("b5: flaw .. BB");
1.104 +
1.105 + cntxt = "flew";
1.106 + TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
1.107 + b6.apply("flee");
1.108 + assertResult("b6: flee .. flew .. flaw");
1.109 +
1.110 + TBlock<String> b7 = t -> {setResult(String.format("b7: %s %s", t, this.protectedSuperclassMethod()));};
1.111 + b7.apply("this:");
1.112 + assertResult("b7: this: instance:flew");
1.113 +
1.114 + TBlock<String> b8 = t -> {setResult(String.format("b8: %s %s", t, super.protectedSuperclassMethod()));};
1.115 + b8.apply("super:");
1.116 + assertResult("b8: super: I'm the sub");
1.117 +
1.118 + TBlock<String> b7b = t -> {setResult(String.format("b9: %s %s", t, protectedSuperclassMethod()));};
1.119 + b7b.apply("implicit this:");
1.120 + assertResult("b9: implicit this: instance:flew");
1.121 +
1.122 + TBlock<Object> b10 = t -> {setResult(String.format("b10: new LT1Thing: %s", (new LT1Thing(t)).str));};
1.123 + b10.apply("thing");
1.124 + assertResult("b10: new LT1Thing: thing");
1.125 +
1.126 + TBlock<Object> b11 = t -> {setResult(String.format("b11: %s", (new LT1Thing(t) {
1.127 + String get() {
1.128 + return "*" + str.toString() + "*";
1.129 + }
1.130 + }).get()));};
1.131 + b11.apply(999);
1.132 + assertResult("b11: *999*");
1.133 + }
1.134 +
1.135 + public void testMethodRefs() {
1.136 + LT1IA ia = LambdaTranslationTest1::eye;
1.137 + ia.doit(1234);
1.138 + assertResult("I:1234");
1.139 +
1.140 + LT1IIA iia = LambdaTranslationTest1::ieye;
1.141 + iia.doit(1234);
1.142 + assertResult("i:1234");
1.143 +
1.144 + LT1IA da = LambdaTranslationTest1::deye;
1.145 + da.doit(1234);
1.146 + assertResult("d:1234.000000");
1.147 +
1.148 + LT1SA a = LambdaTranslationTest1::count;
1.149 + assertEquals((Integer) 5, a.doit("howdy"));
1.150 +
1.151 + a = LambdaTranslationTest1::icount;
1.152 + assertEquals((Integer) 6, a.doit("shower"));
1.153 + }
1.154 +
1.155 + public void testInner() throws Exception {
1.156 + (new In()).doInner();
1.157 + }
1.158 +
1.159 + protected String protectedSuperclassMethod() {
1.160 + return "instance:" + cntxt;
1.161 + }
1.162 +
1.163 + private class In {
1.164 +
1.165 + private int that = 1234;
1.166 +
1.167 + void doInner() {
1.168 + TBlock<String> i4 = t -> {setResult(String.format("i4: %d .. %s", that, t));};
1.169 + i4.apply("=1234");
1.170 + assertResult("i4: 1234 .. =1234");
1.171 +
1.172 + TBlock<String> i5 = t -> {setResult(""); appendResult(t); appendResult(t);};
1.173 + i5.apply("fruit");
1.174 + assertResult("fruitfruit");
1.175 +
1.176 + cntxt = "human";
1.177 + TBlock<String> b4 = t -> {setResult(String.format("b4: %s .. %s", cntxt, t));};
1.178 + b4.apply("bin");
1.179 + assertResult("b4: human .. bin");
1.180 +
1.181 + final String flaw = "flaw";
1.182 +
1.183 +/**
1.184 + Callable<String> c5 = () -> "["+flaw+"]" ;
1.185 + System.out.printf("c5: %s\n", c5.call() );
1.186 + **/
1.187 +
1.188 + TBlock<String> b5 = t -> {setResult(String.format("b5: %s .. %s", flaw, t));};
1.189 + b5.apply("BB");
1.190 + assertResult("b5: flaw .. BB");
1.191 +
1.192 + cntxt = "borg";
1.193 + TBlock<String> b6 = t -> {setResult(String.format("b6: %s .. %s .. %s", t, cntxt, flaw));};
1.194 + b6.apply("flee");
1.195 + assertResult("b6: flee .. borg .. flaw");
1.196 +
1.197 + TBlock<String> b7b = t -> {setResult(String.format("b7b: %s %s", t, protectedSuperclassMethod()));};
1.198 + b7b.apply("implicit outer this");
1.199 + assertResult("b7b: implicit outer this instance:borg");
1.200 +
1.201 + /**
1.202 + TBlock<Object> b9 = t -> { System.out.printf("New: %s\n", (new LT1Thing(t)).str); };
1.203 + b9.apply("thing");
1.204 +
1.205 + TBlock<Object> ba = t -> { System.out.printf("Def: %s\n", (new LT1Thing(t) { String get() { return "*" + str.toString() +"*";}}).get() ); };
1.206 + ba.apply(999);
1.207 +
1.208 + */
1.209 + }
1.210 + }
1.211 +}
1.212 +
1.213 +class LT1Sub {
1.214 + protected String protectedSuperclassMethod() {
1.215 + return "I'm the sub";
1.216 + }
1.217 +}
1.218 +
1.219 +class LT1Thing {
1.220 + final Object str;
1.221 +
1.222 + LT1Thing(Object s) {
1.223 + str = s;
1.224 + }
1.225 +}
1.226 +
1.227 +interface LT1SA {
1.228 + Integer doit(String s);
1.229 +}
1.230 +
1.231 +interface LT1IA {
1.232 + void doit(int i);
1.233 +}
1.234 +
1.235 +interface LT1IIA {
1.236 + void doit(Integer i);
1.237 +}
