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test/tools/javac/positions/TreeEndPosTest.java@7909abb85562 (annotated)

test/tools/javac/positions/TreeEndPosTest.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, 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 8017216 8019422 8019421
aoqi@0	27	* @summary verify start and end positions
aoqi@0	28	* @run main TreeEndPosTest
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import java.io.ByteArrayOutputStream;
aoqi@0	32	import java.io.File;
aoqi@0	33	import java.io.IOException;
aoqi@0	34	import java.io.PrintWriter;
aoqi@0	35	import java.net.URI;
aoqi@0	36	import java.util.ArrayList;
aoqi@0	37	import java.util.List;
aoqi@0	38	import javax.tools.Diagnostic;
aoqi@0	39	import javax.tools.DiagnosticCollector;
aoqi@0	40	import javax.tools.JavaCompiler;
aoqi@0	41	import javax.tools.JavaFileManager;
aoqi@0	42	import javax.tools.JavaFileObject;
aoqi@0	43	import javax.tools.SimpleJavaFileObject;
aoqi@0	44	import javax.tools.ToolProvider;
aoqi@0	45
aoqi@0	46	public class TreeEndPosTest {
aoqi@0	47	private static JavaFileManager getJavaFileManager(JavaCompiler compiler,
aoqi@0	48	DiagnosticCollector dc) {
aoqi@0	49	return compiler.getStandardFileManager(dc, null, null);
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	static class JavaSource extends SimpleJavaFileObject {
aoqi@0	53
aoqi@0	54	final String source;
aoqi@0	55	int startPos;
aoqi@0	56	int endPos;
aoqi@0	57
aoqi@0	58	private JavaSource(String filename, String source) {
aoqi@0	59	super(URI.create("myfo:/" + filename), JavaFileObject.Kind.SOURCE);
aoqi@0	60	this.source = source;
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	@Override
aoqi@0	64	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	65	return source;
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	static JavaSource createJavaSource(String preamble, String body,
aoqi@0	69	String postamble, String expected) {
aoqi@0	70	JavaSource js = createJavaSource(preamble, body, postamble, -1, -1);
aoqi@0	71	js.startPos = js.source.indexOf(expected);
aoqi@0	72	js.endPos = js.startPos + expected.length();
aoqi@0	73	return js;
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	static JavaSource createJavaSource(String body, String expected) {
aoqi@0	77	return createJavaSource(null, body, null, expected);
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	private static JavaSource createJavaSource(String preamble, String body,
aoqi@0	81	String postamble, int start, int end) {
aoqi@0	82	final String name = "Bug";
aoqi@0	83	StringBuilder code = new StringBuilder();
aoqi@0	84	if (preamble != null) {
aoqi@0	85	code.append(preamble);
aoqi@0	86	}
aoqi@0	87	code.append("public class " + name + "{");
aoqi@0	88	if (body != null) {
aoqi@0	89	code.append(body);
aoqi@0	90	}
aoqi@0	91	code.append("}");
aoqi@0	92	if (postamble != null) {
aoqi@0	93	code.append(postamble);
aoqi@0	94	}
aoqi@0	95	JavaSource js = new JavaSource(name + ".java", code.toString());
aoqi@0	96	js.startPos = start;
aoqi@0	97	js.endPos = end;
aoqi@0	98	return js;
aoqi@0	99	}
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	public static void main(String... args) throws IOException {
aoqi@0	103	testUninitializedVariable();
aoqi@0	104	testMissingAnnotationValue();
aoqi@0	105	testFinalVariableWithDefaultConstructor();
aoqi@0	106	testFinalVariableWithConstructor();
aoqi@0	107	}
aoqi@0	108
aoqi@0	109	static void testUninitializedVariable() throws IOException {
aoqi@0	110	compile(JavaSource.createJavaSource("Object o = new A().new B(); class A { }",
aoqi@0	111	"B()"));
aoqi@0	112	}
aoqi@0	113	static void testMissingAnnotationValue() throws IOException {
aoqi@0	114	compile(JavaSource.createJavaSource("@Foo(\"vvvv\")",
aoqi@0	115	null, "@interface Foo { }", "\"vvvv\""));
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	static void testFinalVariableWithDefaultConstructor() throws IOException {
aoqi@0	119	compile(JavaSource.createJavaSource("private static final String Foo; public void bar() { }",
aoqi@0	120	"private static final String Foo;"));
aoqi@0	121	}
aoqi@0	122
aoqi@0	123	static void testFinalVariableWithConstructor() throws IOException {
aoqi@0	124	compile(JavaSource.createJavaSource("public Bug (){} private static final String Foo; public void bar() { }",
aoqi@0	125	"{}"));
aoqi@0	126	}
aoqi@0	127
aoqi@0	128	static void compile(JavaSource src) throws IOException {
aoqi@0	129	ByteArrayOutputStream ba = new ByteArrayOutputStream();
aoqi@0	130	PrintWriter writer = new PrintWriter(ba);
aoqi@0	131	File tempDir = new File(".");
aoqi@0	132	JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
aoqi@0	133	DiagnosticCollector dc = new DiagnosticCollector();
aoqi@0	134	JavaFileManager javaFileManager = getJavaFileManager(compiler, dc);
aoqi@0	135	List<String> options = new ArrayList<>();
aoqi@0	136	options.add("-cp");
aoqi@0	137	options.add(tempDir.getPath());
aoqi@0	138	options.add("-d");
aoqi@0	139	options.add(tempDir.getPath());
aoqi@0	140	options.add("-XDshouldStopPolicy=GENERATE");
aoqi@0	141
aoqi@0	142	List<JavaFileObject> sources = new ArrayList<>();
aoqi@0	143	sources.add(src);
aoqi@0	144	JavaCompiler.CompilationTask task =
aoqi@0	145	compiler.getTask(writer, javaFileManager,
aoqi@0	146	dc, options, null,
aoqi@0	147	sources);
aoqi@0	148	task.call();
aoqi@0	149	for (Diagnostic diagnostic : (List<Diagnostic>) dc.getDiagnostics()) {
aoqi@0	150	long actualStart = diagnostic.getStartPosition();
aoqi@0	151	long actualEnd = diagnostic.getEndPosition();
aoqi@0	152	System.out.println("Source: " + src.source);
aoqi@0	153	System.out.println("Diagnostic: " + diagnostic);
aoqi@0	154	System.out.print("Start position: Expected: " + src.startPos);
aoqi@0	155	System.out.println(", Actual: " + actualStart);
aoqi@0	156	System.out.print("End position: Expected: " + src.endPos);
aoqi@0	157	System.out.println(", Actual: " + actualEnd);
aoqi@0	158	if (src.startPos != actualStart || src.endPos != actualEnd) {
aoqi@0	159	throw new RuntimeException("error: trees don't match");
aoqi@0	160	}
aoqi@0	161	}
aoqi@0	162	}
aoqi@0	163	}