1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/6304921/TestLog.java Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,140 @@ 1.4 +/* 1.5 + * Copyright 2005-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.24 + * have any 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.parser.Parser; 1.39 +import com.sun.tools.javac.parser.Scanner; 1.40 +import com.sun.tools.javac.tree.JCTree; 1.41 +import com.sun.tools.javac.tree.TreeScanner; 1.42 +import com.sun.tools.javac.util.Context; 1.43 +import com.sun.tools.javac.util.JavacFileManager; 1.44 +import com.sun.tools.javac.util.Log; 1.45 +import com.sun.tools.javac.util.JCDiagnostic; 1.46 +import com.sun.tools.javac.util.Options; 1.47 + 1.48 +public class TestLog 1.49 +{ 1.50 + public static void main(String... args) throws IOException { 1.51 + test(false); 1.52 + test(true); 1.53 + } 1.54 + 1.55 + static void test(boolean genEndPos) throws IOException { 1.56 + Context context = new Context(); 1.57 + 1.58 + Options options = Options.instance(context); 1.59 + options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m"); 1.60 + 1.61 + Log log = Log.instance(context); 1.62 + log.multipleErrors = true; 1.63 + 1.64 + JavacFileManager.preRegister(context); 1.65 + Scanner.Factory sfac = Scanner.Factory.instance(context); 1.66 + Parser.Factory pfac = Parser.Factory.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 + Scanner s = sfac.newScanner(fo.getCharContent(true)); 1.81 + Parser parser = pfac.newParser(s, false, genEndPos); 1.82 + JCTree.JCCompilationUnit tree = parser.compilationUnit(); 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, java.util.Map<JCTree, Integer> endPositions) { 1.105 + this.log = log; 1.106 + this.endPositions = endPositions; 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 java.util.Map<JCTree, Integer> endPositions; 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 +}