1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @summary Tests counting of streams containing Integer.MAX_VALUE + 1 elements 27 * @bug 8031187 28 */ 29 30 package org.openjdk.tests.java.util.stream; 31 32 import java.util.stream.LongStream; 33 34 import org.testng.annotations.Test; 35 36 import static org.testng.Assert.*; 37 38 @Test 39 public class CountLargeTest { 40 41 static final long EXPECTED_LARGE_COUNT = 1L + Integer.MAX_VALUE; 42 testRefLarge()43 public void testRefLarge() { 44 long count = LongStream.range(0, EXPECTED_LARGE_COUNT) 45 .mapToObj(e -> null).count(); 46 47 assertEquals(count, EXPECTED_LARGE_COUNT); 48 } 49 testIntLarge()50 public void testIntLarge() { 51 long count = LongStream.range(0, EXPECTED_LARGE_COUNT) 52 .mapToInt(e -> 0).count(); 53 54 assertEquals(count, EXPECTED_LARGE_COUNT); 55 } 56 testLongLarge()57 public void testLongLarge() { 58 long count = LongStream.range(0, EXPECTED_LARGE_COUNT) 59 .count(); 60 61 assertEquals(count, EXPECTED_LARGE_COUNT); 62 } 63 testDoubleLarge()64 public void testDoubleLarge() { 65 long count = LongStream.range(0, EXPECTED_LARGE_COUNT) 66 .mapToDouble(e -> 0.0).count(); 67 68 assertEquals(count, EXPECTED_LARGE_COUNT); 69 } 70 } 71