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test/tools/javac/T6654037.java@93012e2a5d1d (annotated)

test/tools/javac/T6654037.java

Sat, 07 Nov 2020 10:30:02 +0800

author

aoqi

date

Sat, 07 Nov 2020 10:30:02 +0800

changeset 3938

93012e2a5d1d

parent 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2008, 2010, 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 6654037
aoqi@0	27	* @summary JCTree.pos may be incorrect for BinaryTrees
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import com.sun.source.tree.BinaryTree;
aoqi@0	31	import com.sun.source.tree.ClassTree;
aoqi@0	32	import com.sun.source.tree.CompilationUnitTree;
aoqi@0	33	import com.sun.source.tree.MethodTree;
aoqi@0	34	import com.sun.source.tree.VariableTree;
aoqi@0	35	import com.sun.tools.javac.api.JavacTaskImpl;
aoqi@0	36	import com.sun.tools.javac.tree.JCTree;
aoqi@0	37	import java.net.URI;
aoqi@0	38	import java.util.Arrays;
aoqi@0	39	import javax.tools.JavaCompiler;
aoqi@0	40	import javax.tools.JavaFileObject;
aoqi@0	41	import javax.tools.SimpleJavaFileObject;
aoqi@0	42	import javax.tools.ToolProvider;
aoqi@0	43
aoqi@0	44	public class T6654037 {
aoqi@0	45
aoqi@0	46	public static void main(String[] args) throws Exception {
aoqi@0	47	final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N
aoqi@0	48	final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
aoqi@0	49	assert tool != null;
aoqi@0	50
aoqi@0	51	String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";
aoqi@0	52
aoqi@0	53	JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath, "-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
aoqi@0	54	CompilationUnitTree cut = ct.parse().iterator().next();
aoqi@0	55	ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
aoqi@0	56	MethodTree method = (MethodTree) clazz.getMembers().get(0);
aoqi@0	57	VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
aoqi@0	58	BinaryTree cond = (BinaryTree) condSt.getInitializer();
aoqi@0	59	JCTree condJC = (JCTree) cond;
aoqi@0	60
aoqi@0	61	if (condJC.pos != 93)
aoqi@0	62	throw new IllegalStateException("Unexpected position=" + condJC.pos);
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	static class MyFileObject extends SimpleJavaFileObject {
aoqi@0	66	private String text;
aoqi@0	67	public MyFileObject(String text) {
aoqi@0	68	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	69	this.text = text;
aoqi@0	70	}
aoqi@0	71	@Override
aoqi@0	72	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	73	return text;
aoqi@0	74	}
aoqi@0	75	}
aoqi@0	76	}