1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/6304921/TestLog.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,140 @@
1.4 +/*
1.5 + * Copyright (c) 2005, 2012, 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 6304912
1.30 + * @summary unit test for Log
1.31 + */
1.32 +import java.io.InputStream;
1.33 +import java.io.IOException;
1.34 +import java.io.OutputStream;
1.35 +import java.net.URI;
1.36 +import javax.tools.JavaFileObject;
1.37 +import javax.tools.SimpleJavaFileObject;
1.38 +import com.sun.tools.javac.file.JavacFileManager;
1.39 +import com.sun.tools.javac.parser.Parser;
1.40 +import com.sun.tools.javac.parser.ParserFactory;
1.41 +import com.sun.tools.javac.tree.EndPosTable;
1.42 +import com.sun.tools.javac.tree.JCTree;
1.43 +import com.sun.tools.javac.tree.TreeScanner;
1.44 +import com.sun.tools.javac.util.Context;
1.45 +import com.sun.tools.javac.util.Log;
1.46 +import com.sun.tools.javac.util.JCDiagnostic;
1.47 +import com.sun.tools.javac.util.Options;
1.48 +
1.49 +public class TestLog
1.50 +{
1.51 + public static void main(String... args) throws IOException {
1.52 + test(false);
1.53 + test(true);
1.54 + }
1.55 +
1.56 + static void test(boolean genEndPos) throws IOException {
1.57 + Context context = new Context();
1.58 +
1.59 + Options options = Options.instance(context);
1.60 + options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
1.61 +
1.62 + Log log = Log.instance(context);
1.63 + log.multipleErrors = true;
1.64 +
1.65 + JavacFileManager.preRegister(context);
1.66 + ParserFactory pfac = ParserFactory.instance(context);
1.67 +
1.68 + final String text =
1.69 + "public class Foo {\n"
1.70 + + " public static void main(String[] args) {\n"
1.71 + + " if (args.length == 0)\n"
1.72 + + " System.out.println(\"no args\");\n"
1.73 + + " else\n"
1.74 + + " System.out.println(args.length + \" args\");\n"
1.75 + + " }\n"
1.76 + + "}\n";
1.77 + JavaFileObject fo = new StringJavaFileObject("Foo", text);
1.78 + log.useSource(fo);
1.79 +
1.80 + CharSequence cs = fo.getCharContent(true);
1.81 + Parser parser = pfac.newParser(cs, false, genEndPos, false);
1.82 + JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
1.83 + log.setEndPosTable(fo, tree.endPositions);
1.84 +
1.85 + TreeScanner ts = new LogTester(log, tree.endPositions);
1.86 + ts.scan(tree);
1.87 +
1.88 + check(log.nerrors, 4, "errors");
1.89 + check(log.nwarnings, 4, "warnings");
1.90 + }
1.91 +
1.92 + private static void check(int found, int expected, String name) {
1.93 + if (found == expected)
1.94 + System.err.println(found + " " + name + " found, as expected.");
1.95 + else {
1.96 + System.err.println("incorrect number of " + name + " found.");
1.97 + System.err.println("expected: " + expected);
1.98 + System.err.println(" found: " + found);
1.99 + throw new IllegalStateException("test failed");
1.100 + }
1.101 + }
1.102 +
1.103 + private static class LogTester extends TreeScanner {
1.104 + LogTester(Log log, EndPosTable endPosTable) {
1.105 + this.log = log;
1.106 + this.endPosTable = endPosTable;
1.107 + }
1.108 +
1.109 + public void visitIf(JCTree.JCIf tree) {
1.110 + JCDiagnostic.DiagnosticPosition nil = null;
1.111 + // generate dummy messages to exercise the log API
1.112 + log.error("not.stmt");
1.113 + log.error(tree.pos, "not.stmt");
1.114 + log.error(tree.pos(), "not.stmt");
1.115 + log.error(nil, "not.stmt");
1.116 +
1.117 + log.warning("div.zero");
1.118 + log.warning(tree.pos, "div.zero");
1.119 + log.warning(tree.pos(), "div.zero");
1.120 + log.warning(nil, "div.zero");
1.121 + }
1.122 +
1.123 + private Log log;
1.124 + private EndPosTable endPosTable;
1.125 + }
1.126 +
1.127 + private static class StringJavaFileObject extends SimpleJavaFileObject {
1.128 + StringJavaFileObject(String name, String text) {
1.129 + super(URI.create(name), JavaFileObject.Kind.SOURCE);
1.130 + this.text = text;
1.131 + }
1.132 + public CharSequence getCharContent(boolean b) {
1.133 + return text;
1.134 + }
1.135 + public InputStream openInputStream() {
1.136 + throw new UnsupportedOperationException();
1.137 + }
1.138 + public OutputStream openOutputStream() {
1.139 + throw new UnsupportedOperationException();
1.140 + }
1.141 + private String text;
1.142 + }
1.143 +}
