101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8068460
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* @summary Pretty printing for loops
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* @library /tools/javac/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @build JavacTestingAbstractProcessor
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* @run main PrettyPrintingForLoopsTest
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*/
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import java.io.IOException;
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import java.io.StringWriter;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.List;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.util.JavacTask;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.tree.Pretty;
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import com.sun.tools.javac.util.Assert;
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public class PrettyPrintingForLoopsTest {
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public static void main(String... args) throws IOException {
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new PrettyPrintingForLoopsTest().testForLoop();
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}
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public void testForLoop() throws IOException {
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List files = Arrays.asList(new JavaSource(""));
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JavacTool tool = JavacTool.create();
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try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
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JavacTask task = tool.getTask(null, fm, null, null, null, files);
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Iterable trees = task.parse();
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CompilationUnitTree thisTree = (CompilationUnitTree)trees.iterator().next();
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String thisSrc = prettyPrint((JCTree) thisTree);
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Assert.check(thisSrc.equals(JavaSource.source));
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}
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}
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private static String prettyPrint(JCTree tree) throws IOException {
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StringWriter sw = new StringWriter();
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new Pretty(sw, true).printExpr(tree);
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return sw.toString().replaceAll(System.getProperty("line.separator"), "\n");
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}
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static class JavaSource extends SimpleJavaFileObject {
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static String source = "\n" +
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"class Test {\n" +
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" \n" +
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" void m() {\n" +
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" for (int i; true; i++) {\n" +
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" i = 0;\n" +
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" }\n" +
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" for (int i = 0, j, k = 23, l; i < 42; i++) {\n" +
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" }\n" +
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" }\n" +
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"}";
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public JavaSource(String stmt) {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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}
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