--- old/test/compiler/runtime/6778657/Test.java 2016-07-06 19:21:11.595394506 +0300 +++ /dev/null 2016-06-14 14:43:27.230512026 +0300 @@ -1,75 +0,0 @@ -/* - * Copyright (c) 2008, 2009, 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 - * @bug 6778657 - * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour - */ - -public class Test { - public static void check_f2i(int expect) { - float check = expect; - check *= 2; - int actual = (int) check; - if (actual != expect) - throw new RuntimeException("expecting " + expect + ", got " + actual); - } - - public static void check_f2l(long expect) { - float check = expect; - check *= 2; - long actual = (long) check; - if (actual != expect) - throw new RuntimeException("expecting " + expect + ", got " + actual); - } - - public static void check_d2i(int expect) { - double check = expect; - check *= 2; - int actual = (int) check; - if (actual != expect) - throw new RuntimeException("expecting " + expect + ", got " + actual); - } - - public static void check_d2l(long expect) { - double check = expect; - check *= 2; - long actual = (long) check; - if (actual != expect) - throw new RuntimeException("expecting " + expect + ", got " + actual); - } - - public static void main(String[] args) { - check_f2i(Integer.MAX_VALUE); - check_f2i(Integer.MIN_VALUE); - check_f2l(Long.MAX_VALUE); - check_f2l(Long.MIN_VALUE); - check_d2i(Integer.MAX_VALUE); - check_d2i(Integer.MIN_VALUE); - check_d2l(Long.MAX_VALUE); - check_d2l(Long.MIN_VALUE); - } -} - --- /dev/null 2016-06-14 14:43:27.230512026 +0300 +++ new/test/compiler/runtime/Test6778657.java 2016-07-06 19:21:11.355394499 +0300 @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2008, 2009, 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 + * @bug 6778657 + * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour + * + * @run main compiler.runtime.Test6778657 + */ + +package compiler.runtime; + +public class Test6778657 { + public static void check_f2i(int expect) { + float check = expect; + check *= 2; + int actual = (int) check; + if (actual != expect) { + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + } + + public static void check_f2l(long expect) { + float check = expect; + check *= 2; + long actual = (long) check; + if (actual != expect) { + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + } + + public static void check_d2i(int expect) { + double check = expect; + check *= 2; + int actual = (int) check; + if (actual != expect) { + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + } + + public static void check_d2l(long expect) { + double check = expect; + check *= 2; + long actual = (long) check; + if (actual != expect) { + throw new RuntimeException("expecting " + expect + ", got " + actual); + } + } + + public static void main(String[] args) { + check_f2i(Integer.MAX_VALUE); + check_f2i(Integer.MIN_VALUE); + check_f2l(Long.MAX_VALUE); + check_f2l(Long.MIN_VALUE); + check_d2i(Integer.MAX_VALUE); + check_d2i(Integer.MIN_VALUE); + check_d2l(Long.MAX_VALUE); + check_d2l(Long.MIN_VALUE); + } +} +