--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/7003595/T7003595.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,238 @@
+/*
+ * 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;
+ }
+ }
+}