63 lines
2.0 KiB
Java
63 lines
2.0 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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* function type and method type inference
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* @author Alex Buckley
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* @author Maurizio Cimadamore
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* @run main LambdaConv05
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*/
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import java.util.*;
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public class LambdaConv05 {
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static void assertTrue(boolean cond) {
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if (!cond)
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throw new AssertionError();
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}
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int count = 0;
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void sort(List<String> data) {
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Collections.sort(data,
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(String a, String b) -> { LambdaConv05.this.count++; return a.length()-b.length(); });
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}
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public static void main(String[] args) {
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ArrayList<String> arr = new ArrayList<>();
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arr.add("Three");
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arr.add("Four");
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arr.add("One");
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LambdaConv05 sorter = new LambdaConv05();
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sorter.sort(arr);
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assertTrue(arr.get(0).equals("One"));
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assertTrue(arr.get(1).equals("Four"));
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assertTrue(arr.get(2).equals("Three"));
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assertTrue(sorter.count == 2);
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}
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}
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