/* * Copyright (c) 2019, 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. */ package compiler.conversions; import jdk.test.lib.Asserts; /* * @test * @bug 8234617 * @summary Test implicit narrowing conversion of primivite values at putfield. * @library /test/lib / * @compile Conversion.jasm * @run main/othervm -Xbatch -XX:CompileCommand=dontinline,compiler.conversions.Conversion::* * compiler.conversions.TestPrimitiveConversions */ public class TestPrimitiveConversions { public static void main(String[] args) { Conversion conv = new Conversion(); for (int i = 0; i < 100_000; ++i) { int res = conv.testBooleanConst(); Asserts.assertEquals(res, 0); res = conv.testBoolean(2); // 2^1 (maximum boolean value is 1) Asserts.assertEquals(res, 0); res = conv.testByteConst(); Asserts.assertEquals(res, 0); res = conv.testByte(256); // 2^8 (maximum byte value is 2^7-1) Asserts.assertEquals(res, 0); res = conv.testCharConst(); Asserts.assertEquals(res, 0); res = conv.testChar(131072); // 2^17 (maximum char value is 2^16-1) Asserts.assertEquals(res, 0); res = conv.testShortConst(); Asserts.assertEquals(res, 0); res = conv.testShort(65536); // 2^16 (maximum short value is 2^15-1) Asserts.assertEquals(res, 0); } } }