80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8003280
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* @summary Add lambda tests
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* Test lambda expressions inside lambda expressions
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* @compile LambdaTest5.java
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* @run main LambdaTest5
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*/
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public class LambdaTest5 {
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interface A {
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int m();
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}
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interface B {
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int make (int i);
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}
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private static int count = 0;
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private static void assertTrue(boolean b) {
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if(!b)
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throw new AssertionError();
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}
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static A a;
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static A a2;
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static A a3;
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static A a4;
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public static void main(String[] args) {
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B b = (int i) -> ((A)()-> 5).m();
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assertTrue(b.make(0) == 5);
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a = () -> ((A)()-> { return 6; }).m(); //self reference
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assertTrue(a.m() == 6);
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a2 = ()-> {
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A an = ()-> { return 7; }; //self reference
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return an.m();
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};
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assertTrue(a2.m() == 7);
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a3 = () -> a3.m(); //self reference
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try {
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a3.m();
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} catch(StackOverflowError e) {
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count++;
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}
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assertTrue(count==1);
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a4 = ()-> ((B)(int i)-> ((A)()-> 9).m() ).make(0);
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assertTrue(a4.m() == 9);
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}
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}
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