| /* |
| * 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 7101822 |
| * @summary static import fails to resolve interfaces on nested enums via import statements |
| * @modules jdk.compiler |
| */ |
| |
| import com.sun.source.util.JavacTask; |
| import java.net.URI; |
| import java.util.Arrays; |
| import javax.tools.Diagnostic; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.ToolProvider; |
| |
| |
| public class TestDuplicateImport { |
| |
| static int checkCount = 0; |
| |
| enum ImportKind { |
| NORMAL("import a.#Q.#N;"), |
| STATIC("import static a.#Q.#N;"); |
| |
| String importStr; |
| |
| ImportKind(String importStr) { |
| this.importStr = importStr; |
| } |
| |
| String getImportStatement(QualifierKind qk, NameKind nk) { |
| return importStr.replaceAll("#Q", qk.qualifierStr) |
| .replaceAll("#N", nk.nameStr); |
| } |
| |
| boolean isStatic() { |
| return this == STATIC; |
| } |
| } |
| |
| enum QualifierKind { |
| A("A"), |
| B("B"), |
| C("C"); |
| |
| String qualifierStr; |
| |
| QualifierKind(String qualifierStr) { |
| this.qualifierStr = qualifierStr; |
| } |
| |
| public boolean compatible(QualifierKind ik) { |
| return this == ik || (this != A && ik != A); |
| } |
| } |
| |
| enum NameKind { |
| D("D"), |
| E("E"), |
| M("m"), |
| F("f"), |
| STAR("*"), |
| NON_EXISTENT("NonExistent"); |
| |
| String nameStr; |
| |
| NameKind(String nameStr) { |
| this.nameStr = nameStr; |
| } |
| |
| boolean exists() { |
| return this != NON_EXISTENT; |
| } |
| |
| boolean isMember() { |
| return this == M || this == F; |
| } |
| |
| boolean isType() { |
| return this == D || this == E; |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| |
| //create default shared JavaCompiler - reused across multiple compilations |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null); |
| |
| for (ImportKind ik1 : ImportKind.values()) { |
| for (ImportKind ik2 : ImportKind.values()) { |
| for (QualifierKind qk1 : QualifierKind.values()) { |
| for (QualifierKind qk2 : QualifierKind.values()) { |
| for (NameKind nk1 : NameKind.values()) { |
| for (NameKind nk2 : NameKind.values()) { |
| new TestDuplicateImport(ik1, ik2, qk1, qk2, nk1, nk2).run(comp, fm); |
| } |
| } |
| } |
| } |
| } |
| } |
| System.out.println("Total check executed: " + checkCount); |
| } |
| |
| ImportKind ik1; |
| ImportKind ik2; |
| QualifierKind qk1; |
| QualifierKind qk2; |
| NameKind nk1; |
| NameKind nk2; |
| JavaSource source; |
| DiagnosticChecker diagChecker; |
| |
| TestDuplicateImport(ImportKind ik1, ImportKind ik2, QualifierKind qk1, QualifierKind qk2, NameKind nk1, NameKind nk2) { |
| this.ik1 = ik1; |
| this.ik2 = ik2; |
| this.qk1 = qk1; |
| this.qk2 = qk2; |
| this.nk1 = nk1; |
| this.nk2 = nk2; |
| this.source = new JavaSource(); |
| this.diagChecker = new DiagnosticChecker(); |
| } |
| class JavaSource extends SimpleJavaFileObject { |
| |
| String bodyTemplate = "package a;\n" + |
| "#I1\n" + |
| "#I2\n" + |
| "class A {\n" + |
| " static class D { }\n" + |
| " static class E { }\n" + |
| " static Object f;\n" + |
| " static void m() { }\n" + |
| "}\n" + |
| "class B {\n" + |
| " static class D { }\n" + |
| " static class E { }\n" + |
| " static Object f;\n" + |
| " static void m() { }\n" + |
| "}\n" + |
| "class C extends B {\n" + |
| "}\n"; |
| |
| String source; |
| |
| public JavaSource() { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| source = bodyTemplate.replaceAll("#I1", ik1.getImportStatement(qk1, nk1)) |
| .replaceAll("#I2", ik2.getImportStatement(qk2, nk2)); |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| } |
| |
| void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception { |
| JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker, |
| null, null, Arrays.asList(source)); |
| try { |
| ct.analyze(); |
| } catch (Throwable ex) { |
| throw new AssertionError("Error thrown when compiling the following code:\n" + source.getCharContent(true)); |
| } |
| check(); |
| } |
| |
| void check() { |
| checkCount++; |
| |
| boolean errorExpected = false; |
| |
| //error if the import refers to a non-existent symbol |
| if (!nk1.exists() || !nk2.exists()) { |
| errorExpected = true; |
| } |
| |
| //error if a non-static import refers to a non-type symbol |
| if ((nk1.isMember() && !ik1.isStatic()) || |
| (nk2.isMember() && !ik2.isStatic())) { |
| errorExpected = true; |
| } |
| |
| //error if two single non-static (or one static and one non-static) |
| //imports import same names from different places |
| if (nk1 == nk2 && nk1 != NameKind.STAR && !qk1.compatible(qk2) && |
| (!ik1.isStatic() || !ik2.isStatic())) { |
| errorExpected = true; |
| } |
| |
| if ((qk1 == QualifierKind.C && !ik1.isStatic() && nk1 != NameKind.STAR) || |
| (qk2 == QualifierKind.C && !ik2.isStatic() && nk2 != NameKind.STAR)) { |
| errorExpected = true; |
| } |
| |
| if (errorExpected != diagChecker.errorFound) { |
| throw new Error("invalid diagnostics for source:\n" + |
| source.getCharContent(true) + |
| "\nFound error: " + diagChecker.errorFound + |
| "\nExpected error: " + errorExpected); |
| } |
| } |
| |
| static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> { |
| |
| boolean errorFound; |
| |
| public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
| if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { |
| errorFound = true; |
| } |
| } |
| } |
| } |