1 /*
  2  * Copyright (c) 2015, 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  * @bug 8082311 8129962
 27  * @summary Verify that bitwise operators don't allow to mix numeric and boolean operands.
 28  * @enablePreview
 29  * @library ../lib
 30  * @modules jdk.compiler/com.sun.tools.javac.api
 31  *          jdk.compiler/com.sun.tools.javac.file
 32  *          jdk.compiler/com.sun.tools.javac.util
 33  * @build combo.ComboTestHelper
 34  * @run main BitWiseOperators
 35  */
 36 
 37 import com.sun.tools.javac.util.StringUtils;
 38 
 39 import java.io.IOException;
 40 
 41 import combo.ComboInstance;
 42 import combo.ComboParameter;
 43 import combo.ComboTask.Result;
 44 import combo.ComboTestHelper;
 45 
 46 
 47 public class BitWiseOperators extends ComboInstance<BitWiseOperators> {
 48 
 49     enum OperandType implements ComboParameter {
 50         BYTE,
 51         CHAR,
 52         SHORT,
 53         INT,
 54         LONG,
 55         BOOLEAN;
 56 
 57         public static boolean compatible(OperandType op1, OperandType op2) {
 58             return !(op1 == BOOLEAN ^ op2 == BOOLEAN);
 59         }
 60 
 61         @Override
 62         public String expand(String optParameter) {
 63             return StringUtils.toLowerCase(name());
 64         }
 65     }
 66 
 67     enum OperatorKind implements ComboParameter {
 68         BITAND("&"),
 69         BITOR("|"),
 70         BITXOR("^");
 71 
 72         String op;
 73 
 74         OperatorKind(String op) {
 75             this.op = op;
 76         }
 77 
 78         @Override
 79         public String expand(String optParameter) {
 80             return op;
 81         }
 82     }
 83 
 84     public static void main(String... args) {
 85         new ComboTestHelper<BitWiseOperators>()
 86                 .withArrayDimension("TYPE", (x, type, idx) -> x.opTypes[idx] = type, 2, OperandType.values())
 87                 .withDimension("OP", OperatorKind.values())
 88                 .run(BitWiseOperators::new);
 89     }
 90 
 91     OperandType[] opTypes = new OperandType[2];
 92 
 93     String template = "class Test {\n" +
 94                       "    public Object test(#{TYPE[0]} var1, #{TYPE[1]} var2) {\n" +
 95                       "        return var1 #{OP} var2;\n" +
 96                       "    }\n" +
 97                       "}";
 98 
 99     @Override
100     public void doWork() throws IOException {
101         newCompilationTask()
102                 .withSourceFromTemplate(template)
103                 .analyze(res -> {
104             if (res.hasErrors() == OperandType.compatible(opTypes[0], opTypes[1])) {
105                 fail("Unexpected behavior. Type1: " + opTypes[0] +
106                         "; type2: " + opTypes[1] +
107                         "; " + res.compilationInfo());
108             }
109         });
110     }
111 }