1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   5  * This code is free software; you can redistribute it and/or modify it
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   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
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  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @bug 7153958
  29  * @summary add constant pool reference to class containing inlined constants
  30  * @modules jdk.jdeps/com.sun.tools.classfile
  31  * @compile pkg/ClassToBeStaticallyImported.java CPoolRefClassContainingInlinedCts.java
  32  * @run main CPoolRefClassContainingInlinedCts
  33  */
  34 
  35 import com.sun.tools.classfile.ClassFile;
  36 import com.sun.tools.classfile.ConstantPool.CONSTANT_Class_info;
  37 import com.sun.tools.classfile.ConstantPool.CPInfo;
  38 import com.sun.tools.classfile.ConstantPoolException;
  39 import java.io.File;
  40 import java.io.IOException;
  41 
  42 import static pkg.ClassToBeStaticallyImported.staticField;
  43 
  44 public class CPoolRefClassContainingInlinedCts {
  45 
  46     public static void main(String args[]) throws Exception {
  47         new CPoolRefClassContainingInlinedCts().run();
  48     }
  49 
  50     void run() throws Exception {
  51         checkReferences();
  52     }
  53 
  54     int numberOfReferencedClassesToBeChecked = 0;
  55 
  56     void checkClassName(String className) {
  57         switch (className) {
  58             case "SimpleAssignClass" : case "BinaryExpClass":
  59             case "UnaryExpClass" : case "CastClass":
  60             case "ParensClass" : case "CondClass":
  61             case "IfClass" : case "pkg/ClassToBeStaticallyImported":
  62                 numberOfReferencedClassesToBeChecked++;
  63         }
  64     }
  65 
  66     void checkReferences() throws IOException, ConstantPoolException {
  67         File testClasses = new File(System.getProperty("test.classes"));
  68         File file = new File(testClasses,
  69                 CPoolRefClassContainingInlinedCts.class.getName() + ".class");
  70         ClassFile classFile = ClassFile.read(file);
  71         int i = 1;
  72         CPInfo cpInfo;
  73         while (i < classFile.constant_pool.size()) {
  74             cpInfo = classFile.constant_pool.get(i);
  75             if (cpInfo instanceof CONSTANT_Class_info) {
  76                 checkClassName(((CONSTANT_Class_info)cpInfo).getName());
  77             }
  78             i += cpInfo.size();
  79         }
  80         if (numberOfReferencedClassesToBeChecked != 8) {
  81             throw new AssertionError("Class reference missing in the constant pool");
  82         }
  83     }
  84 
  85     private int assign = SimpleAssignClass.x;
  86     private int binary = BinaryExpClass.x + 1;
  87     private int unary = -UnaryExpClass.x;
  88     private int cast = (int)CastClass.x;
  89     private int parens = (ParensClass.x);
  90     private int cond = (CondClass.x == 1) ? 1 : 2;
  91     private static int ifConstant;
  92     private static int importStatic;
  93     static {
  94         if (IfClass.x == 1) {
  95             ifConstant = 1;
  96         } else {
  97             ifConstant = 2;
  98         }
  99     }
 100     static {
 101         if (staticField == 1) {
 102             importStatic = 1;
 103         } else {
 104             importStatic = 2;
 105         }
 106     }
 107 }
 108 
 109 class SimpleAssignClass {
 110     public static final int x = 1;
 111 }
 112 
 113 class BinaryExpClass {
 114     public static final int x = 1;
 115 }
 116 
 117 class UnaryExpClass {
 118     public static final int x = 1;
 119 }
 120 
 121 class CastClass {
 122     public static final int x = 1;
 123 }
 124 
 125 class ParensClass {
 126     public static final int x = 1;
 127 }
 128 
 129 class CondClass {
 130     public static final int x = 1;
 131 }
 132 
 133 class IfClass {
 134     public static final int x = 1;
 135 }