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test/tools/javac/api/6557752/T6557752.java@959103a6100f (annotated)

test/tools/javac/api/6557752/T6557752.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) 2006, 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	/*
aoqi@0	26	* @test
aoqi@0	27	* @bug 6557752
aoqi@0	28	* @summary Test for wrapping the original type in ErrorType.
aoqi@0	29	* @library ../lib
aoqi@0	30	* @compile T6557752.java
aoqi@0	31	* @run main T6557752
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	import com.sun.source.tree.AssignmentTree;
aoqi@0	35	import com.sun.source.tree.CompilationUnitTree;
aoqi@0	36	import com.sun.source.tree.MethodInvocationTree;
aoqi@0	37	import com.sun.source.util.JavacTask;
aoqi@0	38	import com.sun.source.util.TreePath;
aoqi@0	39	import com.sun.source.util.TreePathScanner;
aoqi@0	40	import com.sun.source.util.Trees;
aoqi@0	41	import com.sun.tools.javac.api.JavacTaskImpl;
aoqi@0	42	import com.sun.tools.javac.util.List;
aoqi@0	43	import java.io.IOException;
aoqi@0	44	import java.net.URI;
aoqi@0	45	import javax.lang.model.type.ErrorType;
aoqi@0	46	import javax.lang.model.type.TypeKind;
aoqi@0	47	import javax.lang.model.type.TypeMirror;
aoqi@0	48	import javax.tools.JavaCompiler;
aoqi@0	49	import javax.tools.JavaFileObject;
aoqi@0	50	import javax.tools.SimpleJavaFileObject;
aoqi@0	51	import javax.tools.ToolProvider;
aoqi@0	52	import javax.lang.model.util.Types;
aoqi@0	53
aoqi@0	54	public class T6557752 {
aoqi@0	55	static class MyFileObject extends SimpleJavaFileObject {
aoqi@0	56	public MyFileObject() {
aoqi@0	57	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	58	}
aoqi@0	59	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	60	return "import java.util.*;\n"
aoqi@0	61	+ "public class Test {\n"
aoqi@0	62	+ " void foobar() {\n"
aoqi@0	63	+ " Iterator<Number> itr = null;\n"
aoqi@0	64	+ " String str = itr.next();\n"
aoqi@0	65	+ " FooBar fooBar = FooBar.foobar();\n"
aoqi@0	66	+ " }\n"
aoqi@0	67	+ "}";
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70	static Trees trees;
aoqi@0	71	static JavacTask task = null;
aoqi@0	72	public static void main(String[] args) throws IOException {
aoqi@0	73	JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
aoqi@0	74	task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
aoqi@0	75	Iterable<? extends CompilationUnitTree> asts = task.parse();
aoqi@0	76	task.analyze();
aoqi@0	77	trees = Trees.instance(task);
aoqi@0	78	MyVisitor myVisitor = new MyVisitor();
aoqi@0	79	for (CompilationUnitTree ast : asts) {
aoqi@0	80	myVisitor.compilationUnit = ast;
aoqi@0	81	myVisitor.scan(ast, null);
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	if (!myVisitor.foundError) {
aoqi@0	85	throw new AssertionError("Expected error not found!");
aoqi@0	86	}
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	static class MyVisitor extends TreePathScanner<Void,Void> {
aoqi@0	90	public boolean foundError = false;
aoqi@0	91	CompilationUnitTree compilationUnit = null;
aoqi@0	92	int i = 0;
aoqi@0	93	@Override
aoqi@0	94	public Void visitMethodInvocation(MethodInvocationTree node, Void ignored) {
aoqi@0	95	TreePath path = TreePath.getPath(compilationUnit, node);
aoqi@0	96	TypeMirror typeMirror = trees.getTypeMirror(path);
aoqi@0	97	if (typeMirror.getKind() == TypeKind.ERROR) {
aoqi@0	98	if (i == 0) {
aoqi@0	99	String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
aoqi@0	100	if (!str1.equals("java.lang.Number")) {
aoqi@0	101	throw new AssertionError("Trees.getOriginalType() error!");
aoqi@0	102	}
aoqi@0	103
aoqi@0	104	Types types = task.getTypes();
aoqi@0	105
aoqi@0	106	str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
aoqi@0	107	if (!str1.equals("java.lang.Number")) {
aoqi@0	108	throw new AssertionError("Types.asElement() error!");
aoqi@0	109	}
aoqi@0	110
aoqi@0	111	i++;
aoqi@0	112	}
aoqi@0	113	else if (i == 1) {
aoqi@0	114	String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
aoqi@0	115	if (!str1.equals("FooBar")) {
aoqi@0	116	throw new AssertionError("Trees.getOriginalType() error!");
aoqi@0	117	}
aoqi@0	118
aoqi@0	119	Types types = task.getTypes();
aoqi@0	120
aoqi@0	121	str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
aoqi@0	122	if (!str1.equals("FooBar")) {
aoqi@0	123	throw new AssertionError("Types.asElement() error!");
aoqi@0	124	}
aoqi@0	125	foundError = true;
aoqi@0	126	}
aoqi@0	127	}
aoqi@0	128
aoqi@0	129
aoqi@0	130	return null;
aoqi@0	131	}
aoqi@0	132
aoqi@0	133	}
aoqi@0	134	}