1 /* 2 * Copyright (c) 2021, 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. 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 18 * 2 along with this work; if not, write to the Free Software Foundation, 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 8265423 29 * @summary Experimental support for generating a single class file per primitive class 30 * @modules jdk.jdeps/com.sun.tools.classfile 31 * @run main UnifiedPrimitiveClassInnerClassesTest 32 */ 33 34 import com.sun.tools.classfile.*; 35 import com.sun.tools.classfile.ConstantPool.CONSTANT_Class_info; 36 37 public class UnifiedPrimitiveClassInnerClassesTest { 38 39 primitive class V<T> implements java.io.Serializable {} 40 41 public static void main(String[] args) throws Exception { 42 ClassFile cls = ClassFile.read(UnifiedPrimitiveClassInnerClassesTest.class.getResourceAsStream("UnifiedPrimitiveClassInnerClassesTest.class")); 43 44 if (cls == null) { 45 throw new AssertionError("Could not locate the class files"); 46 } 47 48 /* Check emission of inner class attribute */ 49 InnerClasses_attribute inners = (InnerClasses_attribute) cls.attributes.get(Attribute.InnerClasses); 50 if (inners == null) { 51 throw new AssertionError("Missing inner class attribute"); 52 } 53 boolean foundV = false, foundVref = false; 54 for (int i = 0; i < inners.number_of_classes; i++) { 55 String name = inners.classes[i].getInnerName(cls.constant_pool); 56 if (name.equals("V")) 57 foundV = true; 58 else if (name.equals("V$ref")) 59 foundVref = true; 60 } 61 if (!foundV || foundVref) { 62 throw new AssertionError("Incorrect inner class attribute"); 63 } 64 65 // Test signature attribute 66 cls = ClassFile.read(UnifiedPrimitiveClassInnerClassesTest.class.getResourceAsStream("UnifiedPrimitiveClassInnerClassesTest$V.class")); 67 Signature_attribute signature = (Signature_attribute)cls.attributes.get(Attribute.Signature); 68 String sign = signature.getSignature(cls.constant_pool); 69 if (sign == null || !sign.equals("<T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/io/Serializable;")) { 70 throw new RuntimeException("Wrong signature " + sign); 71 } 72 } 73 }