langtools/test/tools/javac/resolve/BitWiseOperators.java
author mcimadamore
Mon, 31 Aug 2015 17:33:34 +0100
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child 36526 3b41f1c69604
permissions -rw-r--r--
8129962: Investigate performance improvements in langtools combo tests Summary: New combo API that runs all combo instances in a shared javac context (whenever possible). Reviewed-by: jjg, jlahoda, vromero
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/*
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 * Copyright (c) 2015, 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 8082311 8129962
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 * @summary Verify that bitwise operators don't allow to mix numeric and boolean operands.
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 * @library ../lib
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 * @modules jdk.compiler/com.sun.tools.javac.api
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 *          jdk.compiler/com.sun.tools.javac.util
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 * @build combo.ComboTestHelper
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 * @run main BitWiseOperators
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 */
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import com.sun.tools.javac.util.StringUtils;
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import java.io.IOException;
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTask.Result;
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import combo.ComboTestHelper;
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public class BitWiseOperators extends ComboInstance<BitWiseOperators> {
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    enum OperandType implements ComboParameter {
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        BYTE,
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        CHAR,
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        SHORT,
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        INT,
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        LONG,
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        BOOLEAN;
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        public static boolean compatible(OperandType op1, OperandType op2) {
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            return !(op1 == BOOLEAN ^ op2 == BOOLEAN);
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        }
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        @Override
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        public String expand(String optParameter) {
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            return StringUtils.toLowerCase(name());
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        }
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    }
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    enum OperatorKind implements ComboParameter {
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        BITAND("&"),
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        BITOR("|"),
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        BITXOR("^");
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        String op;
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        OperatorKind(String op) {
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            this.op = op;
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        }
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        @Override
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        public String expand(String optParameter) {
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            return op;
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        }
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    }
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    public static void main(String... args) {
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        new ComboTestHelper<BitWiseOperators>()
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                .withArrayDimension("TYPE", (x, type, idx) -> x.opTypes[idx] = type, 2, OperandType.values())
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                .withDimension("OP", OperatorKind.values())
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                .run(BitWiseOperators::new);
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    }
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    OperandType[] opTypes = new OperandType[2];
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    String template = "class Test {\n" +
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                      "    public Object test(#{TYPE[0]} var1, #{TYPE[1]} var2) {\n" +
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                      "        return var1 #{OP} var2;\n" +
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                      "    }\n" +
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                      "}";
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    @Override
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    public void doWork() throws IOException {
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        Result<?> res = newCompilationTask()
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                .withSourceFromTemplate(template)
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                .analyze();
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        if (res.hasErrors() == OperandType.compatible(opTypes[0], opTypes[1])) {
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            fail("Unexpected behavior. Type1: " + opTypes[0] +
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                    "; type2: " + opTypes[1] +
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                    "; " + res.compilationInfo());
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        }
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    }
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}