| /* |
| * 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); |
| } |
| } |