/*
* 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
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*
* 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);
}