| /* |
| * Copyright (c) 2012, 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 6499673 |
| * @library /tools/javac/lib |
| * @modules jdk.compiler |
| * @build JavacTestingAbstractProcessor BoundsTest |
| * @run main BoundsTest |
| * @summary Assertion check for TypeVariable.getUpperBound() fails |
| */ |
| |
| import com.sun.source.util.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.type.*; |
| import javax.lang.model.util.ElementFilter; |
| import javax.lang.model.element.*; |
| import javax.tools.*; |
| import java.util.*; |
| import java.io.*; |
| |
| public class BoundsTest { |
| |
| private int errors = 0; |
| private static final String Intersection_name = "IntersectionTest.java"; |
| private static final String Intersection_contents = |
| "import java.util.List;\n" + |
| "import java.io.Serializable;\t" + |
| "public class IntersectionTest<S extends List & Serializable> {\n" + |
| " void method(S s) { }\n" + |
| "}"; |
| private static final String[] Intersection_bounds = { |
| "java.util.List", |
| "java.io.Serializable" |
| }; |
| private static final String[] Intersection_supers = { |
| "java.util.List", |
| "java.io.Serializable" |
| }; |
| |
| private static final String Single_name = "SingleTest.java"; |
| private static final String Single_contents = |
| "import java.util.List;\n" + |
| "public class SingleTest<S extends List> {\n" + |
| " void method(S s) { }\n" + |
| "}"; |
| private static final String[] Single_bounds = { |
| "java.util.List", |
| }; |
| private static final String[] Single_supers = { |
| "java.lang.Object", |
| "java.util.Collection" |
| }; |
| |
| private static final String NoBounds_name = "NoBoundsTest.java"; |
| private static final String NoBounds_contents = |
| "public class NoBoundsTest<S> {\n" + |
| " void method(S s) { }\n" + |
| "}"; |
| private static final String[] NoBounds_bounds = { |
| "java.lang.Object", |
| }; |
| private static final String[] NoBounds_supers = {}; |
| |
| private HashSet<String> expected_bounds; |
| private HashSet<String> expected_supers; |
| |
| private static final File classesdir = new File("intersectionproperties"); |
| private static final JavaCompiler comp = |
| ToolProvider.getSystemJavaCompiler(); |
| private static final StandardJavaFileManager fm = |
| comp.getStandardFileManager(null, null, null); |
| |
| public void runOne(final String Test_name, final String Test_contents, |
| final String[] Test_bounds, final String[] Test_supers) |
| throws IOException { |
| System.err.println("Testing " + Test_name); |
| expected_bounds = new HashSet<>(Arrays.asList(Test_bounds)); |
| expected_supers = new HashSet<>(Arrays.asList(Test_supers)); |
| final Iterable<? extends JavaFileObject> files = |
| fm.getJavaFileObjectsFromFiles(Collections.singleton(writeFile(classesdir, Test_name, Test_contents))); |
| final JavacTask ct = |
| (JavacTask)comp.getTask(null, fm, null, null, null, files); |
| ct.setProcessors(Collections.singleton(new TestProcessor())); |
| |
| if (!ct.call()) { |
| System.err.println("Compilation unexpectedly failed"); |
| errors++; |
| } |
| } |
| |
| public void run() throws IOException { |
| try { |
| runOne(Intersection_name, Intersection_contents, |
| Intersection_bounds, Intersection_supers); |
| runOne(Single_name, Single_contents, |
| Single_bounds, Single_supers); |
| runOne(NoBounds_name, NoBounds_contents, |
| NoBounds_bounds, NoBounds_supers); |
| |
| if (0 != errors) |
| throw new RuntimeException(errors + " errors occurred"); |
| } finally { |
| fm.close(); |
| } |
| } |
| |
| public static void main(String... args) throws IOException { |
| new BoundsTest().run(); |
| } |
| |
| private static File writeFile(File dir, String path, String body) |
| throws IOException { |
| File f = new File(dir, path); |
| f.getParentFile().mkdirs(); |
| try (FileWriter out = new FileWriter(f)) { |
| out.write(body); |
| } |
| return f; |
| } |
| |
| private class TestProcessor extends JavacTestingAbstractProcessor { |
| |
| private Set<? extends Element> rootElements; |
| |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| rootElements = roundEnv.getRootElements(); |
| if (!rootElements.isEmpty()) { |
| performCheck(); |
| } |
| return true; |
| } |
| |
| private void performCheck() { |
| TypeElement typeElement = (TypeElement) rootElements.iterator().next(); |
| ExecutableElement method = ElementFilter.methodsIn(typeElement.getEnclosedElements()).get(0); |
| TypeVariable typeVariable = (TypeVariable) method.getParameters().get(0).asType(); |
| |
| final TypeMirror upperBound = typeVariable.getUpperBound(); |
| |
| TypeParameterElement typeParameterElement = ((TypeParameterElement) typeVariable.asElement()); |
| final List<? extends TypeMirror> bounds = typeParameterElement.getBounds(); |
| final List<? extends TypeMirror> supers = processingEnv.getTypeUtils().directSupertypes(upperBound); |
| |
| final HashSet<String> actual_bounds = new HashSet<>(); |
| final HashSet<String> actual_supers = new HashSet<>(); |
| |
| for(TypeMirror ty : bounds) { |
| actual_bounds.add(((TypeElement)((DeclaredType)ty).asElement()).getQualifiedName().toString()); |
| } |
| |
| for(TypeMirror ty : supers) { |
| actual_supers.add(((TypeElement)((DeclaredType)ty).asElement()).getQualifiedName().toString()); |
| } |
| |
| if (!expected_bounds.equals(actual_bounds)) { |
| System.err.println("Mismatched expected and actual bounds."); |
| System.err.println("Expected:"); |
| for(CharSequence tm : expected_bounds) |
| System.err.println(" " + tm); |
| System.err.println("Actual:"); |
| for(CharSequence tm : actual_bounds) |
| System.err.println(" " + tm); |
| errors++; |
| } |
| |
| if (!expected_supers.equals(actual_supers)) { |
| System.err.println("Mismatched expected and actual supers."); |
| System.err.println("Expected:"); |
| for(CharSequence tm : expected_supers) |
| System.err.println(" " + tm); |
| System.err.println("Actual:"); |
| for(CharSequence tm : actual_supers) |
| System.err.println(" " + tm); |
| errors++; |
| } |
| } |
| } |
| |
| } |