aoqi@0: /*
aoqi@0:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8017216 8019422 8019421
aoqi@0:  * @summary verify start and end positions
aoqi@0:  * @run main TreeEndPosTest
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.ByteArrayOutputStream;
aoqi@0: import java.io.File;
aoqi@0: import java.io.IOException;
aoqi@0: import java.io.PrintWriter;
aoqi@0: import java.net.URI;
aoqi@0: import java.util.ArrayList;
aoqi@0: import java.util.List;
aoqi@0: import javax.tools.Diagnostic;
aoqi@0: import javax.tools.DiagnosticCollector;
aoqi@0: import javax.tools.JavaCompiler;
aoqi@0: import javax.tools.JavaFileManager;
aoqi@0: import javax.tools.JavaFileObject;
aoqi@0: import javax.tools.SimpleJavaFileObject;
aoqi@0: import javax.tools.ToolProvider;
aoqi@0: 
aoqi@0: public class TreeEndPosTest {
aoqi@0:     private static JavaFileManager getJavaFileManager(JavaCompiler compiler,
aoqi@0:             DiagnosticCollector dc) {
aoqi@0:         return compiler.getStandardFileManager(dc, null, null);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static class JavaSource extends SimpleJavaFileObject {
aoqi@0: 
aoqi@0:         final String source;
aoqi@0:         int startPos;
aoqi@0:         int endPos;
aoqi@0: 
aoqi@0:         private JavaSource(String filename, String source) {
aoqi@0:             super(URI.create("myfo:/" + filename), JavaFileObject.Kind.SOURCE);
aoqi@0:             this.source = source;
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0:             return source;
aoqi@0:         }
aoqi@0: 
aoqi@0:         static JavaSource createJavaSource(String preamble, String body,
aoqi@0:                 String postamble, String expected) {
aoqi@0:             JavaSource js = createJavaSource(preamble, body, postamble, -1, -1);
aoqi@0:             js.startPos = js.source.indexOf(expected);
aoqi@0:             js.endPos   = js.startPos + expected.length();
aoqi@0:             return js;
aoqi@0:         }
aoqi@0: 
aoqi@0:         static JavaSource createJavaSource(String body, String expected) {
aoqi@0:             return createJavaSource(null, body, null, expected);
aoqi@0:         }
aoqi@0: 
aoqi@0:         private static JavaSource createJavaSource(String preamble, String body,
aoqi@0:                 String postamble, int start, int end) {
aoqi@0:             final String name = "Bug";
aoqi@0:             StringBuilder code = new StringBuilder();
aoqi@0:             if (preamble != null) {
aoqi@0:                 code.append(preamble);
aoqi@0:             }
aoqi@0:             code.append("public class " + name + "{");
aoqi@0:             if (body != null) {
aoqi@0:                 code.append(body);
aoqi@0:             }
aoqi@0:             code.append("}");
aoqi@0:             if (postamble != null) {
aoqi@0:                 code.append(postamble);
aoqi@0:             }
aoqi@0:             JavaSource js = new JavaSource(name + ".java", code.toString());
aoqi@0:             js.startPos = start;
aoqi@0:             js.endPos = end;
aoqi@0:             return js;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String... args) throws IOException {
aoqi@0:         testUninitializedVariable();
aoqi@0:         testMissingAnnotationValue();
aoqi@0:         testFinalVariableWithDefaultConstructor();
aoqi@0:         testFinalVariableWithConstructor();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void testUninitializedVariable() throws IOException {
aoqi@0:         compile(JavaSource.createJavaSource("Object o = new A().new B(); class A { }",
aoqi@0:                 "B()"));
aoqi@0:     }
aoqi@0:     static void testMissingAnnotationValue() throws IOException {
aoqi@0:         compile(JavaSource.createJavaSource("@Foo(\"vvvv\")",
aoqi@0:                 null, "@interface Foo { }", "\"vvvv\""));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void testFinalVariableWithDefaultConstructor() throws IOException {
aoqi@0:         compile(JavaSource.createJavaSource("private static final String Foo; public void bar() { }",
aoqi@0:                 "private static final String Foo;"));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void testFinalVariableWithConstructor() throws IOException {
aoqi@0:         compile(JavaSource.createJavaSource("public Bug (){} private static final String Foo; public void bar() { }",
aoqi@0:                 "{}"));
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void compile(JavaSource src) throws IOException {
aoqi@0:         ByteArrayOutputStream ba = new ByteArrayOutputStream();
aoqi@0:         PrintWriter writer = new PrintWriter(ba);
aoqi@0:         File tempDir = new File(".");
aoqi@0:         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
aoqi@0:         DiagnosticCollector dc = new DiagnosticCollector();
aoqi@0:         JavaFileManager javaFileManager = getJavaFileManager(compiler, dc);
aoqi@0:         List<String> options = new ArrayList<>();
aoqi@0:         options.add("-cp");
aoqi@0:         options.add(tempDir.getPath());
aoqi@0:         options.add("-d");
aoqi@0:         options.add(tempDir.getPath());
aoqi@0:         options.add("-XDshouldStopPolicy=GENERATE");
aoqi@0: 
aoqi@0:         List<JavaFileObject> sources = new ArrayList<>();
aoqi@0:         sources.add(src);
aoqi@0:         JavaCompiler.CompilationTask task =
aoqi@0:                 compiler.getTask(writer, javaFileManager,
aoqi@0:                 dc, options, null,
aoqi@0:                 sources);
aoqi@0:         task.call();
aoqi@0:         for (Diagnostic diagnostic : (List<Diagnostic>) dc.getDiagnostics()) {
aoqi@0:             long actualStart = diagnostic.getStartPosition();
aoqi@0:             long actualEnd = diagnostic.getEndPosition();
aoqi@0:             System.out.println("Source: " + src.source);
aoqi@0:             System.out.println("Diagnostic: " + diagnostic);
aoqi@0:             System.out.print("Start position: Expected: " + src.startPos);
aoqi@0:             System.out.println(", Actual: " + actualStart);
aoqi@0:             System.out.print("End position: Expected: " + src.endPos);
aoqi@0:             System.out.println(", Actual: " + actualEnd);
aoqi@0:             if (src.startPos != actualStart || src.endPos != actualEnd) {
aoqi@0:                 throw new RuntimeException("error: trees don't match");
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: }