1/*
2 * Copyright (c) 2017, 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
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22 */
23
24/*
25 * @test
26 * @bug 8175335
27 * @summary Test Types methods on module and package TypeMirrors
28 * @author  Joseph D. Darcy
29 * @library /tools/javac/lib
30 * @modules jdk.compiler
31 * @build   JavacTestingAbstractProcessor TestPseudoTypeHandling
32 * @compile -processor TestPseudoTypeHandling -proc:only TestPseudoTypeHandling.java
33 */
34
35import java.util.*;
36import java.util.function.*;
37import static java.util.Objects.*;
38import javax.annotation.processing.*;
39import javax.lang.model.element.*;
40import javax.lang.model.type.*;
41import javax.lang.model.util.*;
42
43/**
44 * Test basic handling of module type.
45 */
46public class TestPseudoTypeHandling extends JavacTestingAbstractProcessor {
47    public boolean process(Set<? extends TypeElement> annotations,
48                           RoundEnvironment roundEnv) {
49        if (!roundEnv.processingOver()) {
50            TypeMirror objectType  = requireNonNull(eltUtils.getTypeElement("java.lang.Object")).asType();
51
52            List<TypeMirror> typeMirrorsToTest =
53                List.of(requireNonNull(eltUtils.getModuleElement("java.base")).asType(),
54                        requireNonNull(eltUtils.getPackageElement("java.lang")).asType());
55
56            for (TypeMirror type : typeMirrorsToTest) {
57                expectException(t -> typeUtils.isSubtype(t, objectType), type);
58                expectException(t -> typeUtils.isSubtype(objectType, t), type);
59
60                expectException(t -> typeUtils.isAssignable(t, objectType), type);
61                expectException(t -> typeUtils.isAssignable(objectType, t), type);
62
63                expectException(t -> typeUtils.contains(t, objectType), type);
64                expectException(t -> typeUtils.contains(objectType, t), type);
65
66                expectException(t -> typeUtils.capture(t), type);
67                expectException(t -> typeUtils.erasure(t), type);
68
69                expectException(t -> typeUtils.getArrayType(t), type);
70
71                expectException(t -> typeUtils.directSupertypes(t), type);
72            }
73        }
74        return true;
75    }
76
77    void expectException(Consumer<TypeMirror> argument, TypeMirror type) {
78        try {
79            argument.accept(type);
80            throw new RuntimeException("Should not reach " + type.toString());
81        } catch (IllegalArgumentException e) {
82            ; // Expected
83        }
84    }
85}
86