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Java example source code file (CountLargeTest.java)
The CountLargeTest.java Java example source code/* * Copyright (c) 2014, 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 * @summary Tests counting of streams containing Integer.MAX_VALUE + 1 elements * @bug 8031187 */ package org.openjdk.tests.java.util.stream; import java.util.stream.LongStream; import org.testng.annotations.Test; import static org.testng.Assert.*; @Test public class CountLargeTest { static final long EXPECTED_LARGE_COUNT = 1L + Integer.MAX_VALUE; public void testRefLarge() { long count = LongStream.range(0, EXPECTED_LARGE_COUNT) .mapToObj(e -> null).count(); assertEquals(count, EXPECTED_LARGE_COUNT); } public void testIntLarge() { long count = LongStream.range(0, EXPECTED_LARGE_COUNT) .mapToInt(e -> 0).count(); assertEquals(count, EXPECTED_LARGE_COUNT); } public void testLongLarge() { long count = LongStream.range(0, EXPECTED_LARGE_COUNT) .count(); assertEquals(count, EXPECTED_LARGE_COUNT); } public void testDoubleLarge() { long count = LongStream.range(0, EXPECTED_LARGE_COUNT) .mapToDouble(e -> 0.0).count(); assertEquals(count, EXPECTED_LARGE_COUNT); } } Other Java examples (source code examples)Here is a short list of links related to this Java CountLargeTest.java source code file: |
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