/*
* Copyright ( c ) 2011 , 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 8003280
* @ summary Add lambda tests
* basic test for capture of non - mutable locals
* @ author Brian Goetz
* @ author Maurizio Cimadamore
* @ run main LambdaScope01
*/
public class LambdaScope01 {
static int assertionCount = 0 ;
static void assertTrue(boolean cond) {
assertionCount++;
if (!cond)
throw new AssertionError();
}
interface TU<T, U> {
public T foo(U u);
}
public static <T, U> T exec(TU<T, U> lambda, U x) {
return lambda.foo(x);
}
public int n = 5 ;
public int hashCode() {
throw new RuntimeException();
}
public void test1() {
try {
int res = LambdaScope01.<Integer,Integer>exec((Integer x) -> x * hashCode(), 3 );
}
catch (RuntimeException e) {
assertTrue(true ); //should throw
}
}
public void test2() {
final int n = 10 ;
int res = LambdaScope01.<Integer,Integer>exec((Integer x) -> x + n, 3 );
assertTrue(13 == res);
}
public static void main(String[] args) {
LambdaScope01 t = new LambdaScope01();
t.test1();
t.test2();
assertTrue(assertionCount == 2 );
}
}
Messung V0.5 in Prozent C=90 H=98 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland