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/*
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* Copyright (c) 2011-2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7101822
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* @summary static import fails to resolve interfaces on nested enums via import statements
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*/
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import com.sun.source.util.JavacTask;
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import java.net.URI;
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import java.util.Arrays;
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import javax.tools.Diagnostic;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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public class TestLazyImportScope {
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static int checkCount = 0;
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enum ImportOrder {
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NORMAL("import a.C.D;\n" +
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"#I"),
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REVERSE("#I\n" +
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"import a.C.D;");
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String importLayout;
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ImportOrder(String importLayout) {
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this.importLayout = importLayout;
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}
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String getImportString(ImportKind ik) {
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return importLayout.replaceAll("#I", ik.importStr);
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}
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}
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enum ImportKind {
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NAMED("import a.A.B.E;"),
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ON_DEMAND("import a.A.B.*;"),
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STATIC_NAMED_TYPE("import static a.A.B.E;"),
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STATIC_NAMED_MEMBER("import static a.A.B.bm;"),
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STATIC_ON_DEMAND("import static a.A.B.*;");
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String importStr;
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private ImportKind(String importStr) {
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this.importStr = importStr;
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}
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}
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enum TypeRefKind {
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NONE(""),
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E("E e = null;"),
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F("F f = null;"),
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BOTH("E e = null; F f = null;");
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String typeRefStr;
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private TypeRefKind(String typeRefStr) {
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this.typeRefStr = typeRefStr;
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}
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boolean isImported(ImportKind ik) {
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switch (ik) {
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case NAMED:
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case STATIC_NAMED_TYPE: return this == NONE || this == E;
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case ON_DEMAND:
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case STATIC_ON_DEMAND: return true;
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default: return this == NONE;
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}
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}
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}
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enum MemberRefKind {
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NONE(""),
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FIELD("Object o = bf;"),
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METHOD("bm();"),
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BOTH("Object o = bf; bm();");
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String memberRefStr;
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private MemberRefKind(String memberRefStr) {
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this.memberRefStr = memberRefStr;
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}
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boolean isImported(ImportKind ik) {
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switch (ik) {
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case STATIC_NAMED_MEMBER: return this == NONE || this == METHOD;
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case STATIC_ON_DEMAND: return true;
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default: return this == NONE;
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}
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}
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}
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public static void main(String... args) throws Exception {
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//create default shared JavaCompiler - reused across multiple compilations
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JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
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StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
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for (ImportOrder ord : ImportOrder.values()) {
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for (ImportKind ik : ImportKind.values()) {
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for (TypeRefKind tk : TypeRefKind.values()) {
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for (MemberRefKind mk : MemberRefKind.values()) {
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new TestLazyImportScope(ord, ik, tk, mk).run(comp, fm);
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}
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}
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}
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}
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System.out.println("Total check executed: " + checkCount);
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}
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ImportOrder ord;
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ImportKind ik;
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TypeRefKind tk;
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MemberRefKind mk;
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JavaSource source;
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DiagnosticChecker diagChecker;
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TestLazyImportScope(ImportOrder ord, ImportKind ik, TypeRefKind tk, MemberRefKind mk) {
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this.ord = ord;
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this.ik = ik;
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this.tk = tk;
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this.mk = mk;
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this.source = new JavaSource();
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this.diagChecker = new DiagnosticChecker();
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}
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class JavaSource extends SimpleJavaFileObject {
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String bodyTemplate = "package a;\n" +
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"#I\n" +
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"class A {\n" +
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" static class B extends D {\n" +
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" static class E { }\n" +
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" static class F { }\n" +
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" static Object bf;\n" +
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" static void bm() { }\n" +
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" }\n" +
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"}\n" +
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"class C {\n" +
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" static class D { }\n" +
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"}\n" +
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"class Test {\n" +
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" void test() {\n" +
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" #T\n" +
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" #M\n" +
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" }\n" +
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"}";
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String source;
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public JavaSource() {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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source = bodyTemplate.replaceAll("#I", ord.getImportString(ik))
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.replaceAll("#T", tk.typeRefStr)
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.replaceAll("#M", mk.memberRefStr);
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
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JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
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null, null, Arrays.asList(source));
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try {
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ct.analyze();
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} catch (Throwable ex) {
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throw new AssertionError("Error thrown when compiling the following code:\n" + source.getCharContent(true));
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}
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check();
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}
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void check() {
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checkCount++;
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boolean errorExpected = !tk.isImported(ik) || !mk.isImported(ik);
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if (errorExpected != diagChecker.errorFound) {
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throw new Error("invalid diagnostics for source:\n" +
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source.getCharContent(true) +
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"\nFound error: " + diagChecker.errorFound +
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"\nExpected error: " + errorExpected);
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}
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}
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static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
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boolean errorFound;
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public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
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if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
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errorFound = true;
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}
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}
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}
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}
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