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test/tools/javac/tree/T6993305.java@f497fac86cf9 (annotated)

test/tools/javac/tree/T6993305.java

Thu, 25 Aug 2011 17:18:25 -0700

author

schien

date

Thu, 25 Aug 2011 17:18:25 -0700

changeset 1067

f497fac86cf9

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8-b02 for changeset b3c059de2a61

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 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 6993305
aoqi@0	27	* @summary starting position of a method without modifiers and with type parameters is incorrect
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import java.io.File;
aoqi@0	31	import javax.tools.JavaFileObject;
aoqi@0	32	import javax.tools.StandardJavaFileManager;
aoqi@0	33
aoqi@0	34	import com.sun.source.tree.CompilationUnitTree;
aoqi@0	35	import com.sun.source.tree.MethodTree;
aoqi@0	36	import com.sun.source.util.JavacTask;
aoqi@0	37	import com.sun.source.util.SourcePositions;
aoqi@0	38	import com.sun.source.util.TreeScanner;
aoqi@0	39	import com.sun.source.util.Trees;
aoqi@0	40	import com.sun.tools.javac.api.JavacTool;
aoqi@0	41	import java.io.IOException;
aoqi@0	42
aoqi@0	43	/*
aoqi@0	44	* Test verifies the starting position of all methods by computing the start position
aoqi@0	45	* of each method as the first non-white character on the first line containing
aoqi@0	46	* (" " + methodName + "("), and then comparing this value against the reported
aoqi@0	47	* value in the SourcePositions table.
aoqi@0	48	*/
aoqi@0	49	public class T6993305 {
aoqi@0	50	<T> void test1(T t) { } // this is the primary case to be tested
aoqi@0	51	public <T> void test2(T t) { }
aoqi@0	52	@Deprecated <T> void test3(T t) { }
aoqi@0	53
aoqi@0	54	public static void main(String... args) throws Exception {
aoqi@0	55	new T6993305().run();
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	void run() throws Exception {
aoqi@0	59	File testSrc = new File(System.getProperty("test.src"));
aoqi@0	60
aoqi@0	61	JavacTool tool = JavacTool.create();
aoqi@0	62	StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
aoqi@0	63
aoqi@0	64	File f = new File(testSrc, T6993305.class.getSimpleName() + ".java");
aoqi@0	65	Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjects(f);
aoqi@0	66	JavacTask task = tool.getTask(null, fm, null, null, null, fos);
aoqi@0	67	Iterable<? extends CompilationUnitTree> cus = task.parse();
aoqi@0	68
aoqi@0	69	TestScanner s = new TestScanner();
aoqi@0	70	s.scan(cus, task);
aoqi@0	71
aoqi@0	72	if (errors > 0)
aoqi@0	73	throw new Exception(errors + " errors occurred");
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	void error(String msg) {
aoqi@0	77	System.err.println("Error: " + msg);
aoqi@0	78	errors++;
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	int errors;
aoqi@0	82
aoqi@0	83	class TestScanner extends TreeScanner<Void, JavacTask> {
aoqi@0	84	CompilationUnitTree cu;
aoqi@0	85	SourcePositions sourcePositions;
aoqi@0	86	String source;
aoqi@0	87
aoqi@0	88	void show(String label, int pos) {
aoqi@0	89	System.err.println(label + ": " +
aoqi@0	90	source.substring(pos, Math.min(source.length(), pos + 10)));
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	@Override public Void visitCompilationUnit(CompilationUnitTree tree, JavacTask task) {
aoqi@0	94	cu = tree;
aoqi@0	95	Trees trees = Trees.instance(task);
aoqi@0	96	sourcePositions = trees.getSourcePositions();
aoqi@0	97	try {
aoqi@0	98	source = String.valueOf(tree.getSourceFile().getCharContent(true));
aoqi@0	99	} catch (IOException e) {
aoqi@0	100	throw new Error(e);
aoqi@0	101	}
aoqi@0	102	return super.visitCompilationUnit(tree, task);
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	// this is the core of the test
aoqi@0	106	@Override public Void visitMethod(MethodTree tree, JavacTask task) {
aoqi@0	107	String name = String.valueOf(tree.getName());
aoqi@0	108	int pos = source.indexOf(" " + name + "(");
aoqi@0	109	while (source.charAt(pos - 1) != '\n') pos--;
aoqi@0	110	while (source.charAt(pos) == ' ') pos++;
aoqi@0	111	int expectedStart = pos;
aoqi@0	112	int reportedStart = (int) sourcePositions.getStartPosition(cu, tree);
aoqi@0	113	System.err.println("Method " + name
aoqi@0	114	+ " expectedStart:" + expectedStart
aoqi@0	115	+ " reportedStart:" + reportedStart);
aoqi@0	116	if (expectedStart != reportedStart) {
aoqi@0	117	error("Unexpected value for " + name);
aoqi@0	118	show("expected", expectedStart);
aoqi@0	119	show("reported", reportedStart);
aoqi@0	120	}
aoqi@0	121	return super.visitMethod(tree, task);
aoqi@0	122	}
aoqi@0	123	}
aoqi@0	124	}