T6557752.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug     6557752
27 * @summary Test for wrapping the original type in ErrorType.
28 * @library ../lib
29 * @modules jdk.compiler/com.sun.tools.javac.util
30 * @compile T6557752.java
31 * @run main T6557752
32 */
33
34import com.sun.source.tree.AssignmentTree;
35import com.sun.source.tree.CompilationUnitTree;
36import com.sun.source.tree.MethodInvocationTree;
37import com.sun.source.util.JavacTask;
38import com.sun.source.util.TreePath;
39import com.sun.source.util.TreePathScanner;
40import com.sun.source.util.Trees;
41import com.sun.tools.javac.util.List;
42import java.io.IOException;
43import java.net.URI;
44import javax.lang.model.type.ErrorType;
45import javax.lang.model.type.TypeKind;
46import javax.lang.model.type.TypeMirror;
47import javax.tools.JavaCompiler;
48import javax.tools.JavaFileObject;
49import javax.tools.SimpleJavaFileObject;
50import javax.tools.ToolProvider;
51import javax.lang.model.util.Types;
52
53public class T6557752 {
54    static class MyFileObject extends SimpleJavaFileObject {
55        public MyFileObject() {
56            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
57        }
58        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
59            return "import java.util.*;\n"
60                + "public class Test {\n"
61                + "    void foobar() {\n"
62                + "        Iterator<Number> itr = null;\n"
63                + "        String str = itr.next();\n"
64                + "        FooBar fooBar = FooBar.foobar();\n"
65                + "    }\n"
66                + "}";
67        }
68    }
69    static Trees trees;
70    static JavacTask task = null;
71    public static void main(String[] args) throws IOException {
72        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
73        task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
74        Iterable<? extends CompilationUnitTree> asts = task.parse();
75        task.analyze();
76        trees = Trees.instance(task);
77        MyVisitor myVisitor = new MyVisitor();
78        for (CompilationUnitTree ast : asts) {
79            myVisitor.compilationUnit = ast;
80            myVisitor.scan(ast, null);
81        }
82
83        if (!myVisitor.foundError) {
84            throw new AssertionError("Expected error not found!");
85        }
86    }
87
88    static class MyVisitor extends TreePathScanner<Void,Void> {
89        public boolean foundError = false;
90        CompilationUnitTree compilationUnit = null;
91        int i = 0;
92        @Override
93        public Void visitMethodInvocation(MethodInvocationTree node, Void ignored) {
94            TreePath path = TreePath.getPath(compilationUnit, node);
95            TypeMirror typeMirror = trees.getTypeMirror(path);
96            if (typeMirror.getKind() == TypeKind.ERROR) {
97              if (i == 0) {
98                String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
99                if (!str1.equals("java.lang.Number")) {
100                    throw new AssertionError("Trees.getOriginalType() error!");
101                }
102
103                Types types = task.getTypes();
104
105                str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
106                if (!str1.equals("java.lang.Number")) {
107                    throw new AssertionError("Types.asElement() error!");
108                }
109
110                i++;
111              }
112              else if (i == 1) {
113                String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
114                if (!str1.equals("FooBar")) {
115                    throw new AssertionError("Trees.getOriginalType() error!");
116                }
117
118                Types types = task.getTypes();
119
120                str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
121                if (!str1.equals("FooBar")) {
122                    throw new AssertionError("Types.asElement() error!");
123                }
124                foundError = true;
125              }
126            }
127
128
129            return null;
130        }
131
132    }
133}
134