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test/tools/javac/6304921/TestLog.java@959103a6100f (annotated)

test/tools/javac/6304921/TestLog.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 6304912
aoqi@0	27	* @summary unit test for Log
aoqi@0	28	*/
aoqi@0	29	import java.io.InputStream;
aoqi@0	30	import java.io.IOException;
aoqi@0	31	import java.io.OutputStream;
aoqi@0	32	import java.net.URI;
aoqi@0	33	import javax.tools.JavaFileObject;
aoqi@0	34	import javax.tools.SimpleJavaFileObject;
aoqi@0	35	import com.sun.tools.javac.file.JavacFileManager;
aoqi@0	36	import com.sun.tools.javac.parser.Parser;
aoqi@0	37	import com.sun.tools.javac.parser.ParserFactory;
aoqi@0	38	import com.sun.tools.javac.tree.EndPosTable;
aoqi@0	39	import com.sun.tools.javac.tree.JCTree;
aoqi@0	40	import com.sun.tools.javac.tree.TreeScanner;
aoqi@0	41	import com.sun.tools.javac.util.Context;
aoqi@0	42	import com.sun.tools.javac.util.Log;
aoqi@0	43	import com.sun.tools.javac.util.JCDiagnostic;
aoqi@0	44	import com.sun.tools.javac.util.Options;
aoqi@0	45
aoqi@0	46	public class TestLog
aoqi@0	47	{
aoqi@0	48	public static void main(String... args) throws IOException {
aoqi@0	49	test(false);
aoqi@0	50	test(true);
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	static void test(boolean genEndPos) throws IOException {
aoqi@0	54	Context context = new Context();
aoqi@0	55
aoqi@0	56	Options options = Options.instance(context);
aoqi@0	57	options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
aoqi@0	58
aoqi@0	59	Log log = Log.instance(context);
aoqi@0	60	log.multipleErrors = true;
aoqi@0	61
aoqi@0	62	JavacFileManager.preRegister(context);
aoqi@0	63	ParserFactory pfac = ParserFactory.instance(context);
aoqi@0	64
aoqi@0	65	final String text =
aoqi@0	66	"public class Foo {\n"
aoqi@0	67	+ " public static void main(String[] args) {\n"
aoqi@0	68	+ " if (args.length == 0)\n"
aoqi@0	69	+ " System.out.println(\"no args\");\n"
aoqi@0	70	+ " else\n"
aoqi@0	71	+ " System.out.println(args.length + \" args\");\n"
aoqi@0	72	+ " }\n"
aoqi@0	73	+ "}\n";
aoqi@0	74	JavaFileObject fo = new StringJavaFileObject("Foo", text);
aoqi@0	75	log.useSource(fo);
aoqi@0	76
aoqi@0	77	CharSequence cs = fo.getCharContent(true);
aoqi@0	78	Parser parser = pfac.newParser(cs, false, genEndPos, false);
aoqi@0	79	JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
aoqi@0	80	log.setEndPosTable(fo, tree.endPositions);
aoqi@0	81
aoqi@0	82	TreeScanner ts = new LogTester(log, tree.endPositions);
aoqi@0	83	ts.scan(tree);
aoqi@0	84
aoqi@0	85	check(log.nerrors, 4, "errors");
aoqi@0	86	check(log.nwarnings, 4, "warnings");
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	private static void check(int found, int expected, String name) {
aoqi@0	90	if (found == expected)
aoqi@0	91	System.err.println(found + " " + name + " found, as expected.");
aoqi@0	92	else {
aoqi@0	93	System.err.println("incorrect number of " + name + " found.");
aoqi@0	94	System.err.println("expected: " + expected);
aoqi@0	95	System.err.println(" found: " + found);
aoqi@0	96	throw new IllegalStateException("test failed");
aoqi@0	97	}
aoqi@0	98	}
aoqi@0	99
aoqi@0	100	private static class LogTester extends TreeScanner {
aoqi@0	101	LogTester(Log log, EndPosTable endPosTable) {
aoqi@0	102	this.log = log;
aoqi@0	103	this.endPosTable = endPosTable;
aoqi@0	104	}
aoqi@0	105
aoqi@0	106	public void visitIf(JCTree.JCIf tree) {
aoqi@0	107	JCDiagnostic.DiagnosticPosition nil = null;
aoqi@0	108	// generate dummy messages to exercise the log API
aoqi@0	109	log.error("not.stmt");
aoqi@0	110	log.error(tree.pos, "not.stmt");
aoqi@0	111	log.error(tree.pos(), "not.stmt");
aoqi@0	112	log.error(nil, "not.stmt");
aoqi@0	113
aoqi@0	114	log.warning("div.zero");
aoqi@0	115	log.warning(tree.pos, "div.zero");
aoqi@0	116	log.warning(tree.pos(), "div.zero");
aoqi@0	117	log.warning(nil, "div.zero");
aoqi@0	118	}
aoqi@0	119
aoqi@0	120	private Log log;
aoqi@0	121	private EndPosTable endPosTable;
aoqi@0	122	}
aoqi@0	123
aoqi@0	124	private static class StringJavaFileObject extends SimpleJavaFileObject {
aoqi@0	125	StringJavaFileObject(String name, String text) {
aoqi@0	126	super(URI.create(name), JavaFileObject.Kind.SOURCE);
aoqi@0	127	this.text = text;
aoqi@0	128	}
aoqi@0	129	public CharSequence getCharContent(boolean b) {
aoqi@0	130	return text;
aoqi@0	131	}
aoqi@0	132	public InputStream openInputStream() {
aoqi@0	133	throw new UnsupportedOperationException();
aoqi@0	134	}
aoqi@0	135	public OutputStream openOutputStream() {
aoqi@0	136	throw new UnsupportedOperationException();
aoqi@0	137	}
aoqi@0	138	private String text;
aoqi@0	139	}
aoqi@0	140	}