CPoolRefClassContainingInlinedCts.java revision 3014:a3dd196e5341 
1/*
2 * Copyright (c) 2012, 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 7153958 8073372
27 * @summary add constant pool reference to class containing inlined constants
28 * @modules jdk.jdeps/com.sun.tools.classfile
29 * @compile pkg/ClassToBeStaticallyImportedA.java pkg/ClassToBeStaticallyImportedB.java CPoolRefClassContainingInlinedCts.java
30 * @run main CPoolRefClassContainingInlinedCts
31 */
32
33import com.sun.tools.classfile.ClassFile;
34import com.sun.tools.classfile.ConstantPool.CONSTANT_Class_info;
35import com.sun.tools.classfile.ConstantPool.CPInfo;
36import com.sun.tools.classfile.ConstantPoolException;
37import java.io.File;
38import java.io.IOException;
39
40import static pkg.ClassToBeStaticallyImportedA.staticFieldA;
41import static pkg.ClassToBeStaticallyImportedB.staticFieldB;
42
43public class CPoolRefClassContainingInlinedCts {
44
45    public static void main(String args[]) throws Exception {
46        new CPoolRefClassContainingInlinedCts().run();
47    }
48
49    void run() throws Exception {
50        checkReferences();
51    }
52
53    int numberOfReferencedClassesToBeChecked = 0;
54
55    void checkClassName(String className) {
56        switch (className) {
57            case "SimpleAssignClassA" : case "BinaryExpClassA":
58            case "UnaryExpClassA" : case "CastClassA":
59            case "ParensClassA" : case "CondClassA":
60            case "IfClassA" : case "pkg/ClassToBeStaticallyImportedA":
61            case "SimpleAssignClassB" : case "BinaryExpClassB":
62            case "UnaryExpClassB" : case "CastClassB":
63            case "ParensClassB" : case "CondClassB":
64            case "IfClassB" : case "pkg/ClassToBeStaticallyImportedB":
65                numberOfReferencedClassesToBeChecked++;
66        }
67    }
68
69    void checkReferences() throws IOException, ConstantPoolException {
70        File testClasses = new File(System.getProperty("test.classes"));
71        File file = new File(testClasses,
72                CPoolRefClassContainingInlinedCts.class.getName() + ".class");
73        ClassFile classFile = ClassFile.read(file);
74        int i = 1;
75        CPInfo cpInfo;
76        while (i < classFile.constant_pool.size()) {
77            cpInfo = classFile.constant_pool.get(i);
78            if (cpInfo instanceof CONSTANT_Class_info) {
79                checkClassName(((CONSTANT_Class_info)cpInfo).getName());
80            }
81            i += cpInfo.size();
82        }
83        if (numberOfReferencedClassesToBeChecked != 16) {
84            throw new AssertionError("Class reference missing in the constant pool");
85        }
86    }
87
88    private int assignA = SimpleAssignClassA.x;
89    private int binaryA = BinaryExpClassA.x + 1;
90    private int unaryA = -UnaryExpClassA.x;
91    private int castA = (int)CastClassA.x;
92    private int parensA = (ParensClassA.x);
93    private int condA = (CondClassA.x == 1) ? 1 : 2;
94    private static int ifConstantA;
95    private static int importStaticA;
96    static {
97        if (IfClassA.x == 1) {
98            ifConstantA = 1;
99        } else {
100            ifConstantA = 2;
101        }
102    }
103    static {
104        if (staticFieldA == 1) {
105            importStaticA = 1;
106        } else {
107            importStaticA = 2;
108        }
109    }
110
111    // now as final constants
112    private static final int assignB = SimpleAssignClassB.x;
113    private static final int binaryB = BinaryExpClassB.x + 1;
114    private static final int unaryB = -UnaryExpClassB.x;
115    private static final int castB = (int)CastClassB.x;
116    private static final int parensB = (ParensClassB.x);
117    private static final int condB = (CondClassB.x == 1) ? 1 : 2;
118    private static final int ifConstantB;
119    private static final int importStaticB;
120    static {
121        if (IfClassB.x == 1) {
122            ifConstantB = 1;
123        } else {
124            ifConstantB = 2;
125        }
126    }
127    static {
128        if (staticFieldB == 1) {
129            importStaticB = 1;
130        } else {
131            importStaticB = 2;
132        }
133    }
134}
135
136class SimpleAssignClassA {
137    public static final int x = 1;
138}
139
140class SimpleAssignClassB {
141    public static final int x = 1;
142}
143
144class BinaryExpClassA {
145    public static final int x = 1;
146}
147
148class BinaryExpClassB {
149    public static final int x = 1;
150}
151
152class UnaryExpClassA {
153    public static final int x = 1;
154}
155
156class UnaryExpClassB {
157    public static final int x = 1;
158}
159
160class CastClassA {
161    public static final int x = 1;
162}
163
164class CastClassB {
165    public static final int x = 1;
166}
167
168class ParensClassA {
169    public static final int x = 1;
170}
171
172class ParensClassB {
173    public static final int x = 1;
174}
175
176class CondClassA {
177    public static final int x = 1;
178}
179
180class CondClassB {
181    public static final int x = 1;
182}
183
184class IfClassA {
185    public static final int x = 1;
186}
187
188class IfClassB {
189    public static final int x = 1;
190}
191