test/tools/javac/annotations/typeAnnotations/newlocations/AfterMethodTypeParams.java

changeset 0
959103a6100f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/annotations/typeAnnotations/newlocations/AfterMethodTypeParams.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,138 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test
    1.29 + * @bug 8038788
    1.30 + * @summary Verify proper handling of annotations after method's type parameters.
    1.31 + * @build AfterMethodTypeParams
    1.32 + * @run main AfterMethodTypeParams
    1.33 + */
    1.34 +
    1.35 +import java.io.IOException;
    1.36 +import java.io.StringWriter;
    1.37 +import java.net.URI;
    1.38 +import java.util.*;
    1.39 +
    1.40 +import javax.lang.model.element.Name;
    1.41 +import javax.tools.*;
    1.42 +
    1.43 +import com.sun.source.tree.*;
    1.44 +import com.sun.source.util.*;
    1.45 +
    1.46 +public class AfterMethodTypeParams {
    1.47 +
    1.48 +    public static void main(String... args) throws IOException {
    1.49 +        new AfterMethodTypeParams().run();
    1.50 +    }
    1.51 +
    1.52 +    void run() throws IOException {
    1.53 +        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    1.54 +
    1.55 +        for (TestCase tc : testCases) {
    1.56 +            String test = TEMPLATE.replace("CONTENT", tc.snippet);
    1.57 +            List<JavaFileObject> files = Arrays.asList(new MyFileObject(test));
    1.58 +            StringWriter out = new StringWriter();
    1.59 +            List<String> options = Arrays.asList("-XDrawDiagnostics", "-XDshouldStopPolicy=FLOW");
    1.60 +            JavacTask task = (JavacTask) compiler.getTask(out, null, null, options, null, files);
    1.61 +
    1.62 +            new TreePathScanner<Void, Void>() {
    1.63 +                boolean seenAnnotation;
    1.64 +                @Override
    1.65 +                public Void visitAnnotation(AnnotationTree node, Void p) {
    1.66 +                    Name name = ((IdentifierTree) node.getAnnotationType()).getName();
    1.67 +                    seenAnnotation |= name.contentEquals("TA") || name.contentEquals("DA");
    1.68 +                    return null;
    1.69 +                }
    1.70 +                @Override
    1.71 +                public Void visitCompilationUnit(CompilationUnitTree node, Void p) {
    1.72 +                    super.visitCompilationUnit(node, p);
    1.73 +                    if (!seenAnnotation)
    1.74 +                        error(test, "Annotation was missing");
    1.75 +                    return null;
    1.76 +                }
    1.77 +            }.scan(task.parse(), null);
    1.78 +
    1.79 +            task.analyze();
    1.80 +
    1.81 +            if (!tc.error.equals(out.toString().trim())) {
    1.82 +                error(test, "Incorrect errors: " + out.toString());
    1.83 +            }
    1.84 +        }
    1.85 +
    1.86 +        if (errors > 0) {
    1.87 +            throw new IllegalStateException("Errors found");
    1.88 +        }
    1.89 +    }
    1.90 +
    1.91 +    int errors;
    1.92 +
    1.93 +    void error(String code, String error) {
    1.94 +        System.out.println("Error detected: " + error);
    1.95 +        System.out.println("Code:");
    1.96 +        System.out.println(code);
    1.97 +        errors++;
    1.98 +    }
    1.99 +
   1.100 +    static String TEMPLATE =
   1.101 +        "import java.lang.annotation.*;\n" +
   1.102 +        "public class Test {\n" +
   1.103 +        "    CONTENT\n" +
   1.104 +        "}\n" +
   1.105 +        "@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})\n" +
   1.106 +        "@interface DA { }\n" +
   1.107 +        "@Target(ElementType.TYPE_USE)\n" +
   1.108 +        "@interface TA { }\n";
   1.109 +
   1.110 +    static class MyFileObject extends SimpleJavaFileObject {
   1.111 +        final String text;
   1.112 +        public MyFileObject(String text) {
   1.113 +            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
   1.114 +            this.text = text;
   1.115 +        }
   1.116 +        @Override
   1.117 +        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
   1.118 +            return text;
   1.119 +        }
   1.120 +    }
   1.121 +
   1.122 +    static TestCase[] testCases = new TestCase[] {
   1.123 +        new TestCase("<T> @DA int foo1() { return 0;}", ""),
   1.124 +        new TestCase("<T> @DA void foo2() { }", ""),
   1.125 +        new TestCase("<T> @TA int foo3() { return 0;}", ""),
   1.126 +        new TestCase("<T> @TA void foo4() { }",
   1.127 +                "Test.java:3:9: compiler.err.annotation.type.not.applicable"),
   1.128 +        new TestCase("<T> @DA Test() { }", "Test.java:3:9: compiler.err.illegal.start.of.type"),
   1.129 +        new TestCase("<T> @TA Test() { }", "Test.java:3:9: compiler.err.illegal.start.of.type"),
   1.130 +    };
   1.131 +
   1.132 +    static class TestCase {
   1.133 +        final String snippet;
   1.134 +        final String error;
   1.135 +        public TestCase(String snippet, String error) {
   1.136 +            this.snippet = snippet;
   1.137 +            this.error = error;
   1.138 +        }
   1.139 +    }
   1.140 +}
   1.141 +

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