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BitwiseAssignment.java 
67 строк · 2.1 Кб
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/*
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 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 4387704
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 * @summary Check correct generation of bitwise assignment access method.
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 * @author Neal Gafter (gafter)
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 *
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 * @compile BitwiseAssignment.java
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 * @run main BitwiseAssignment
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 */
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public class BitwiseAssignment {
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    private static class Inner {
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        private int data = 4711;
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    }
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    public static void main(String[] args) {
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        {
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            Inner inner1 = new Inner();
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            inner1.data ^= 42;
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            Inner inner2 = new Inner();
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            inner2.data = inner2.data ^ 42;
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            if (inner1.data != inner2.data) throw new Error("Failed inner ^=");
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        }
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        {
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            Inner inner1 = new Inner();
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            inner1.data |= 42;
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            Inner inner2 = new Inner();
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            inner2.data = inner2.data | 42;
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            if (inner1.data != inner2.data) throw new Error("Failed inner |=");
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        }
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        {
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            Inner inner1 = new Inner();
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            inner1.data &= 4211;
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            Inner inner2 = new Inner();
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            inner2.data = inner2.data & 4211;
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            if (inner1.data != inner2.data) throw new Error("Failed inner &=");
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        }
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    }
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}
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