| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6993305 |
| * @summary starting position of a method without modifiers and with type parameters is incorrect |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| */ |
| |
| import java.io.File; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.MethodTree; |
| import com.sun.source.util.JavacTask; |
| import com.sun.source.util.SourcePositions; |
| import com.sun.source.util.TreeScanner; |
| import com.sun.source.util.Trees; |
| import com.sun.tools.javac.api.JavacTool; |
| import java.io.IOException; |
| |
| /* |
| * Test verifies the starting position of all methods by computing the start position |
| * of each method as the first non-white character on the first line containing |
| * (" " + methodName + "("), and then comparing this value against the reported |
| * value in the SourcePositions table. |
| */ |
| public class T6993305 { |
| <T> void test1(T t) { } // this is the primary case to be tested |
| public <T> void test2(T t) { } |
| @Deprecated <T> void test3(T t) { } |
| |
| public static void main(String... args) throws Exception { |
| new T6993305().run(); |
| } |
| |
| void run() throws Exception { |
| File testSrc = new File(System.getProperty("test.src")); |
| |
| JavacTool tool = JavacTool.create(); |
| try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) { |
| |
| File f = new File(testSrc, T6993305.class.getSimpleName() + ".java"); |
| Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjects(f); |
| JavacTask task = tool.getTask(null, fm, null, null, null, fos); |
| Iterable<? extends CompilationUnitTree> cus = task.parse(); |
| |
| TestScanner s = new TestScanner(); |
| s.scan(cus, task); |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| int errors; |
| |
| class TestScanner extends TreeScanner<Void, JavacTask> { |
| CompilationUnitTree cu; |
| SourcePositions sourcePositions; |
| String source; |
| |
| void show(String label, int pos) { |
| System.err.println(label + ": " + |
| source.substring(pos, Math.min(source.length(), pos + 10))); |
| } |
| |
| @Override public Void visitCompilationUnit(CompilationUnitTree tree, JavacTask task) { |
| cu = tree; |
| Trees trees = Trees.instance(task); |
| sourcePositions = trees.getSourcePositions(); |
| try { |
| source = String.valueOf(tree.getSourceFile().getCharContent(true)); |
| } catch (IOException e) { |
| throw new Error(e); |
| } |
| return super.visitCompilationUnit(tree, task); |
| } |
| |
| // this is the core of the test |
| @Override public Void visitMethod(MethodTree tree, JavacTask task) { |
| String name = String.valueOf(tree.getName()); |
| int pos = source.indexOf(" " + name + "("); |
| while (source.charAt(pos - 1) != '\n') pos--; |
| while (source.charAt(pos) == ' ') pos++; |
| int expectedStart = pos; |
| int reportedStart = (int) sourcePositions.getStartPosition(cu, tree); |
| System.err.println("Method " + name |
| + " expectedStart:" + expectedStart |
| + " reportedStart:" + reportedStart); |
| if (expectedStart != reportedStart) { |
| error("Unexpected value for " + name); |
| show("expected", expectedStart); |
| show("reported", reportedStart); |
| } |
| return super.visitMethod(tree, task); |
| } |
| } |
| } |