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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 TestDuplicateImport {
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static int checkCount = 0;
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enum ImportKind {
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NORMAL("import a.#Q.#N;"),
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STATIC("import static a.#Q.#N;");
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String importStr;
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ImportKind(String importStr) {
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this.importStr = importStr;
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}
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String getImportStatement(QualifierKind qk, NameKind nk) {
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return importStr.replaceAll("#Q", qk.qualifierStr)
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.replaceAll("#N", nk.nameStr);
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}
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boolean isStatic() {
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return this == STATIC;
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}
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}
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enum QualifierKind {
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A("A"),
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B("B"),
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C("C");
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String qualifierStr;
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QualifierKind(String qualifierStr) {
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this.qualifierStr = qualifierStr;
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}
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public boolean compatible(QualifierKind ik) {
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return this == ik || (this != A && ik != A);
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}
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}
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enum NameKind {
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D("D"),
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E("E"),
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M("m"),
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F("f"),
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STAR("*"),
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NON_EXISTENT("NonExistent");
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String nameStr;
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NameKind(String nameStr) {
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this.nameStr = nameStr;
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}
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boolean exists() {
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return this != NON_EXISTENT;
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}
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boolean isMember() {
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return this == M || this == F;
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}
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boolean isType() {
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return this == D || this == E;
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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 (ImportKind ik1 : ImportKind.values()) {
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for (ImportKind ik2 : ImportKind.values()) {
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for (QualifierKind qk1 : QualifierKind.values()) {
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for (QualifierKind qk2 : QualifierKind.values()) {
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for (NameKind nk1 : NameKind.values()) {
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for (NameKind nk2 : NameKind.values()) {
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new TestDuplicateImport(ik1, ik2, qk1, qk2, nk1, nk2).run(comp, fm);
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}
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}
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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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ImportKind ik1;
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ImportKind ik2;
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QualifierKind qk1;
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QualifierKind qk2;
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NameKind nk1;
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NameKind nk2;
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JavaSource source;
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DiagnosticChecker diagChecker;
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TestDuplicateImport(ImportKind ik1, ImportKind ik2, QualifierKind qk1, QualifierKind qk2, NameKind nk1, NameKind nk2) {
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this.ik1 = ik1;
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this.ik2 = ik2;
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this.qk1 = qk1;
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this.qk2 = qk2;
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this.nk1 = nk1;
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this.nk2 = nk2;
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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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"#I1\n" +
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"#I2\n" +
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"class A {\n" +
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" static class D { }\n" +
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" static class E { }\n" +
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" static Object f;\n" +
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" static void m() { }\n" +
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"}\n" +
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"class B {\n" +
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" static class D { }\n" +
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" static class E { }\n" +
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" static Object f;\n" +
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" static void m() { }\n" +
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"}\n" +
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"class C extends B {\n" +
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"}\n";
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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("#I1", ik1.getImportStatement(qk1, nk1))
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.replaceAll("#I2", ik2.getImportStatement(qk2, nk2));
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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 = false;
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//error if the import refers to a non-existent symbol
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if (!nk1.exists() || !nk2.exists()) {
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errorExpected = true;
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}
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//error if a non-static import refers to a non-type symbol
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if ((nk1.isMember() && !ik1.isStatic()) ||
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(nk2.isMember() && !ik2.isStatic())) {
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errorExpected = true;
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}
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//error if two single non-static (or one static and one non-static)
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//imports import same names from different places
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if (nk1 == nk2 && nk1 != NameKind.STAR && !qk1.compatible(qk2) &&
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(!ik1.isStatic() || !ik2.isStatic())) {
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errorExpected = true;
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}
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if ((qk1 == QualifierKind.C && !ik1.isStatic() && nk1 != NameKind.STAR) ||
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(qk2 == QualifierKind.C && !ik2.isStatic() && nk2 != NameKind.STAR)) {
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errorExpected = true;
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}
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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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