test/langtools/tools/javac/7003595/T7003595.java - platform/libcore - Gitiles

 /*
  * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /*
  * @test
  * @bug 7003595
  * @summary IncompatibleClassChangeError with unreferenced local class with subclass
  * @modules jdk.jdeps/com.sun.tools.classfile
  *          jdk.compiler/com.sun.tools.javac.api
  *          jdk.compiler/com.sun.tools.javac.file
  */

 import com.sun.source.util.JavacTask;
 import com.sun.tools.classfile.Attribute;
 import com.sun.tools.classfile.ClassFile;
 import com.sun.tools.classfile.InnerClasses_attribute;
 import com.sun.tools.classfile.ConstantPool.*;
 import com.sun.tools.javac.api.JavacTool;

 import java.io.File;
 import java.net.URI;
 import java.util.Arrays;
 import java.util.ArrayList;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.ToolProvider;


 public class T7003595 {

     /** global decls ***/

     //statistics
     static int checkCount = 0;

     enum ClassKind {
         NESTED("static class #N { #B }", "$", true),
         INNER("class #N { #B }", "$", false),
         LOCAL_REF("void test() { class #N { #B }; new #N(); }", "$1", false),
         LOCAL_NOREF("void test() { class #N { #B }; }", "$1", false),
         ANON("void test() { new Object() { #B }; }", "$1", false),
         NONE("", "", false);

         String memberInnerStr;
         String sep;
         boolean staticAllowed;

         private ClassKind(String memberInnerStr, String sep, boolean staticAllowed) {
             this.memberInnerStr = memberInnerStr;
             this.sep = sep;
             this.staticAllowed = staticAllowed;
         }

         String getSource(String className, String outerName, String nested) {
             return memberInnerStr.replaceAll("#O", outerName).
                     replaceAll("#N", className).replaceAll("#B", nested);
         }

         static String getClassfileName(String[] names, ClassKind[] outerKinds, int pos) {
             System.out.println(" pos = " + pos + " kind = " + outerKinds[pos] + " sep = " + outerKinds[pos].sep);
             String name = outerKinds[pos] != ANON ?
                     names[pos] : "";
             if (pos == 0) {
                 return "Test" + outerKinds[pos].sep + name;
             } else {
                 String outerStr = getClassfileName(names, outerKinds, pos - 1);
                 return outerStr + outerKinds[pos].sep + name;
             }
         }

         boolean isAllowed(ClassKind nestedKind) {
             return nestedKind != NESTED ||
                     staticAllowed;
         }
     }

     enum LocalInnerClass {
         LOCAL_REF("class L {}; new L();", "Test$1L"),
         LOCAL_NOREF("class L {};", "Test$1L"),
         ANON("new Object() {};", "Test$1"),
         NONE("", "");

         String localInnerStr;
         String canonicalInnerStr;

         private LocalInnerClass(String localInnerStr, String canonicalInnerStr) {
             this.localInnerStr = localInnerStr;
             this.canonicalInnerStr = canonicalInnerStr;
         }
     }

     public static void main(String... args) throws Exception {
         // Create a single file manager and reuse it for each compile to save time.
         try (StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null)) {
             for (ClassKind ck1 : ClassKind.values()) {
                 String cname1 = "C1";
                 for (ClassKind ck2 : ClassKind.values()) {
                     if (!ck1.isAllowed(ck2)) continue;
                     String cname2 = "C2";
                     for (ClassKind ck3 : ClassKind.values()) {
                         if (!ck2.isAllowed(ck3)) continue;
                         String cname3 = "C3";
                         new T7003595(fm, new ClassKind[] {ck1, ck2, ck3}, new String[] { cname1, cname2, cname3 }).compileAndCheck();
                     }
                 }
             }
         }

         System.out.println("Total checks made: " + checkCount);
     }

     /** instance decls **/

     ClassKind[] cks;
     String[] cnames;
     StandardJavaFileManager fm;

     T7003595(StandardJavaFileManager fm, ClassKind[] cks, String[] cnames) {
         this.fm = fm;
         this.cks = cks;
         this.cnames = cnames;
     }

     void compileAndCheck() throws Exception {
         final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
         JavaSource source = new JavaSource();
         JavacTask ct = (JavacTask)tool.getTask(null, fm, null,
                 null, null, Arrays.asList(source));
         ct.call();
         verifyBytecode(source);
     }

     void verifyBytecode(JavaSource source) {
         for (int i = 0; i < 3 ; i ++) {
             if (cks[i] == ClassKind.NONE) break;
             checkCount++;
             String filename = cks[i].getClassfileName(cnames, cks, i);
             File compiledTest = new File(filename + ".class");
             try {
                 ClassFile cf = ClassFile.read(compiledTest);
                 if (cf == null) {
                     throw new Error("Classfile not found: " + filename);
                 }

                 InnerClasses_attribute innerClasses = (InnerClasses_attribute)cf.getAttribute(Attribute.InnerClasses);

                 ArrayList<String> foundInnerSig = new ArrayList<>();
                 if (innerClasses != null) {
                     for (InnerClasses_attribute.Info info : innerClasses.classes) {
                         String foundSig = info.getInnerClassInfo(cf.constant_pool).getName();
                         foundInnerSig.add(foundSig);
                     }
                 }

                 ArrayList<String> expectedInnerSig = new ArrayList<>();
                 //add inner class (if any)
                 if (i < 2 && cks[i + 1] != ClassKind.NONE) {
                     expectedInnerSig.add(cks[i + 1].getClassfileName(cnames, cks, i + 1));
                 }
                 //add inner classes
                 for (int j = 0 ; j != i + 1 && j < 3; j++) {
                     expectedInnerSig.add(cks[j].getClassfileName(cnames, cks, j));
                 }

                 if (expectedInnerSig.size() != foundInnerSig.size()) {
                     throw new Error("InnerClasses attribute for " + cnames[i] + " has wrong size\n" +
                                     "expected " + expectedInnerSig.size() + "\n" +
                                     "found " + innerClasses.number_of_classes + "\n" +
                                     source);
                 }

                 for (String foundSig : foundInnerSig) {
                     if (!expectedInnerSig.contains(foundSig)) {
                         throw new Error("InnerClasses attribute for " + cnames[i] + " has unexpected signature: " +
                                 foundSig + "\n" + source + "\n" + expectedInnerSig);
                     }
                 }

                 for (String expectedSig : expectedInnerSig) {
                     if (!foundInnerSig.contains(expectedSig)) {
                         throw new Error("InnerClasses attribute for " + cnames[i] + " does not contain expected signature: " +
                                     expectedSig + "\n" + source);
                     }
                 }
             } catch (Exception e) {
                 e.printStackTrace();
                 throw new Error("error reading " + compiledTest +": " + e);
             }
         }
     }

     class JavaSource extends SimpleJavaFileObject {

         static final String source_template = "class Test { #C }";

         String source;

         public JavaSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             String c3 = cks[2].getSource(cnames[2], cnames[1], "");
             String c2 = cks[1].getSource(cnames[1], cnames[0], c3);
             String c1 = cks[0].getSource(cnames[0], "Test", c2);
             source = source_template.replace("#C", c1);
         }

         @Override
         public String toString() {
             return source;
         }

         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
 }
	/*
	* Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* @test
	* @bug 7003595
	* @summary IncompatibleClassChangeError with unreferenced local class with subclass
	* @modules jdk.jdeps/com.sun.tools.classfile
	* jdk.compiler/com.sun.tools.javac.api
	* jdk.compiler/com.sun.tools.javac.file
	*/

	import com.sun.source.util.JavacTask;
	import com.sun.tools.classfile.Attribute;
	import com.sun.tools.classfile.ClassFile;
	import com.sun.tools.classfile.InnerClasses_attribute;
	import com.sun.tools.classfile.ConstantPool.*;
	import com.sun.tools.javac.api.JavacTool;

	import java.io.File;
	import java.net.URI;
	import java.util.Arrays;
	import java.util.ArrayList;
	import javax.tools.JavaCompiler;
	import javax.tools.JavaFileObject;
	import javax.tools.SimpleJavaFileObject;
	import javax.tools.StandardJavaFileManager;
	import javax.tools.ToolProvider;


	public class T7003595 {

	/ global decls */

	//statistics
	static int checkCount = 0;

	enum ClassKind {
	NESTED("static class #N { #B }", "$", true),
	INNER("class #N { #B }", "$", false),
	LOCAL_REF("void test() { class #N { #B }; new #N(); }", "$1", false),
	LOCAL_NOREF("void test() { class #N { #B }; }", "$1", false),
	ANON("void test() { new Object() { #B }; }", "$1", false),
	NONE("", "", false);

	String memberInnerStr;
	String sep;
	boolean staticAllowed;

	private ClassKind(String memberInnerStr, String sep, boolean staticAllowed) {
	this.memberInnerStr = memberInnerStr;
	this.sep = sep;
	this.staticAllowed = staticAllowed;
	}

	String getSource(String className, String outerName, String nested) {
	return memberInnerStr.replaceAll("#O", outerName).
	replaceAll("#N", className).replaceAll("#B", nested);
	}

	static String getClassfileName(String[] names, ClassKind[] outerKinds, int pos) {
	System.out.println(" pos = " + pos + " kind = " + outerKinds[pos] + " sep = " + outerKinds[pos].sep);
	String name = outerKinds[pos] != ANON ?
	names[pos] : "";
	if (pos == 0) {
	return "Test" + outerKinds[pos].sep + name;
	} else {
	String outerStr = getClassfileName(names, outerKinds, pos - 1);
	return outerStr + outerKinds[pos].sep + name;
	}
	}

	boolean isAllowed(ClassKind nestedKind) {
	return nestedKind != NESTED \|\|
	staticAllowed;
	}
	}

	enum LocalInnerClass {
	LOCAL_REF("class L {}; new L();", "Test$1L"),
	LOCAL_NOREF("class L {};", "Test$1L"),
	ANON("new Object() {};", "Test$1"),
	NONE("", "");

	String localInnerStr;
	String canonicalInnerStr;

	private LocalInnerClass(String localInnerStr, String canonicalInnerStr) {
	this.localInnerStr = localInnerStr;
	this.canonicalInnerStr = canonicalInnerStr;
	}
	}

	public static void main(String... args) throws Exception {
	// Create a single file manager and reuse it for each compile to save time.
	try (StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null)) {
	for (ClassKind ck1 : ClassKind.values()) {
	String cname1 = "C1";
	for (ClassKind ck2 : ClassKind.values()) {
	if (!ck1.isAllowed(ck2)) continue;
	String cname2 = "C2";
	for (ClassKind ck3 : ClassKind.values()) {
	if (!ck2.isAllowed(ck3)) continue;
	String cname3 = "C3";
	new T7003595(fm, new ClassKind[] {ck1, ck2, ck3}, new String[] { cname1, cname2, cname3 }).compileAndCheck();
	}
	}
	}
	}

	System.out.println("Total checks made: " + checkCount);
	}

	/ instance decls /

	ClassKind[] cks;
	String[] cnames;
	StandardJavaFileManager fm;

	T7003595(StandardJavaFileManager fm, ClassKind[] cks, String[] cnames) {
	this.fm = fm;
	this.cks = cks;
	this.cnames = cnames;
	}

	void compileAndCheck() throws Exception {
	final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
	JavaSource source = new JavaSource();
	JavacTask ct = (JavacTask)tool.getTask(null, fm, null,
	null, null, Arrays.asList(source));
	ct.call();
	verifyBytecode(source);
	}

	void verifyBytecode(JavaSource source) {
	for (int i = 0; i < 3 ; i ++) {
	if (cks[i] == ClassKind.NONE) break;
	checkCount++;
	String filename = cks[i].getClassfileName(cnames, cks, i);
	File compiledTest = new File(filename + ".class");
	try {
	ClassFile cf = ClassFile.read(compiledTest);
	if (cf == null) {
	throw new Error("Classfile not found: " + filename);
	}

	InnerClasses_attribute innerClasses = (InnerClasses_attribute)cf.getAttribute(Attribute.InnerClasses);

	ArrayList<String> foundInnerSig = new ArrayList<>();
	if (innerClasses != null) {
	for (InnerClasses_attribute.Info info : innerClasses.classes) {
	String foundSig = info.getInnerClassInfo(cf.constant_pool).getName();
	foundInnerSig.add(foundSig);
	}
	}

	ArrayList<String> expectedInnerSig = new ArrayList<>();
	//add inner class (if any)
	if (i < 2 && cks[i + 1] != ClassKind.NONE) {
	expectedInnerSig.add(cks[i + 1].getClassfileName(cnames, cks, i + 1));
	}
	//add inner classes
	for (int j = 0 ; j != i + 1 && j < 3; j++) {
	expectedInnerSig.add(cks[j].getClassfileName(cnames, cks, j));
	}

	if (expectedInnerSig.size() != foundInnerSig.size()) {
	throw new Error("InnerClasses attribute for " + cnames[i] + " has wrong size\n" +
	"expected " + expectedInnerSig.size() + "\n" +
	"found " + innerClasses.number_of_classes + "\n" +
	source);
	}

	for (String foundSig : foundInnerSig) {
	if (!expectedInnerSig.contains(foundSig)) {
	throw new Error("InnerClasses attribute for " + cnames[i] + " has unexpected signature: " +
	foundSig + "\n" + source + "\n" + expectedInnerSig);
	}
	}

	for (String expectedSig : expectedInnerSig) {
	if (!foundInnerSig.contains(expectedSig)) {
	throw new Error("InnerClasses attribute for " + cnames[i] + " does not contain expected signature: " +
	expectedSig + "\n" + source);
	}
	}
	} catch (Exception e) {
	e.printStackTrace();
	throw new Error("error reading " + compiledTest +": " + e);
	}
	}
	}

	class JavaSource extends SimpleJavaFileObject {

	static final String source_template = "class Test { #C }";

	String source;

	public JavaSource() {
	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
	String c3 = cks[2].getSource(cnames[2], cnames[1], "");
	String c2 = cks[1].getSource(cnames[1], cnames[0], c3);
	String c1 = cks[0].getSource(cnames[0], "Test", c2);
	source = source_template.replace("#C", c1);
	}

	@Override
	public String toString() {
	return source;
	}

	@Override
	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
	return source;
	}
	}
	}