| /* |
| * Copyright (c) 2014, 2016, 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 8038788 |
| * @summary Verify proper handling of annotations after method's type parameters. |
| * @modules jdk.compiler |
| * @build AfterMethodTypeParams |
| * @run main AfterMethodTypeParams |
| */ |
| |
| import java.io.IOException; |
| import java.io.StringWriter; |
| import java.net.URI; |
| import java.util.*; |
| |
| import javax.lang.model.element.Name; |
| import javax.tools.*; |
| |
| import com.sun.source.tree.*; |
| import com.sun.source.util.*; |
| |
| public class AfterMethodTypeParams { |
| |
| public static void main(String... args) throws IOException { |
| new AfterMethodTypeParams().run(); |
| } |
| |
| void run() throws IOException { |
| JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); |
| |
| for (TestCase tc : testCases) { |
| String test = TEMPLATE.replace("CONTENT", tc.snippet); |
| List<JavaFileObject> files = Arrays.asList(new MyFileObject(test)); |
| StringWriter out = new StringWriter(); |
| List<String> options = Arrays.asList("-XDrawDiagnostics", "-Xshouldstop:at=FLOW"); |
| JavacTask task = (JavacTask) compiler.getTask(out, null, null, options, null, files); |
| |
| new TreePathScanner<Void, Void>() { |
| boolean seenAnnotation; |
| @Override |
| public Void visitAnnotation(AnnotationTree node, Void p) { |
| Name name = ((IdentifierTree) node.getAnnotationType()).getName(); |
| seenAnnotation |= name.contentEquals("TA") || name.contentEquals("DA"); |
| return null; |
| } |
| @Override |
| public Void visitCompilationUnit(CompilationUnitTree node, Void p) { |
| super.visitCompilationUnit(node, p); |
| if (!seenAnnotation) |
| error(test, "Annotation was missing"); |
| return null; |
| } |
| }.scan(task.parse(), null); |
| |
| task.analyze(); |
| |
| if (!tc.error.equals(out.toString().trim())) { |
| error(test, "Incorrect errors: " + out.toString()); |
| } |
| } |
| |
| if (errors > 0) { |
| throw new IllegalStateException("Errors found"); |
| } |
| } |
| |
| int errors; |
| |
| void error(String code, String error) { |
| System.out.println("Error detected: " + error); |
| System.out.println("Code:"); |
| System.out.println(code); |
| errors++; |
| } |
| |
| static String TEMPLATE = |
| "import java.lang.annotation.*;\n" + |
| "public class Test {\n" + |
| " CONTENT\n" + |
| "}\n" + |
| "@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})\n" + |
| "@interface DA { }\n" + |
| "@Target(ElementType.TYPE_USE)\n" + |
| "@interface TA { }\n"; |
| |
| static class MyFileObject extends SimpleJavaFileObject { |
| final String text; |
| public MyFileObject(String text) { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| this.text = text; |
| } |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return text; |
| } |
| } |
| |
| static TestCase[] testCases = new TestCase[] { |
| new TestCase("<T> @DA int foo1() { return 0;}", ""), |
| new TestCase("<T> @DA void foo2() { }", ""), |
| new TestCase("<T> @TA int foo3() { return 0;}", ""), |
| new TestCase("<T> @TA void foo4() { }", |
| "Test.java:3:9: compiler.err.annotation.type.not.applicable"), |
| new TestCase("<T> @DA Test() { }", "Test.java:3:9: compiler.err.illegal.start.of.type"), |
| new TestCase("<T> @TA Test() { }", "Test.java:3:9: compiler.err.illegal.start.of.type"), |
| }; |
| |
| static class TestCase { |
| final String snippet; |
| final String error; |
| public TestCase(String snippet, String error) { |
| this.snippet = snippet; |
| this.error = error; |
| } |
| } |
| } |
| |