1 /*
2 * Copyright (c) 2026, 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 8378740
27 * @summary Verify warnings are properly suppressed for the combination of
28 * annotation processing and implicit compilation
29 * @library /tools/lib
30 * @modules
31 * jdk.compiler/com.sun.tools.javac.api
32 * jdk.compiler/com.sun.tools.javac.main
33 * @build toolbox.ToolBox toolbox.JavacTask
34 * @run junit APImplicitClassesWarnings
35 */
36
37
38 import java.nio.file.Files;
39 import java.nio.file.Path;
40 import java.nio.file.Paths;
41 import java.util.List;
42 import java.util.Set;
43 import javax.annotation.processing.AbstractProcessor;
44 import javax.annotation.processing.RoundEnvironment;
45 import javax.annotation.processing.SupportedAnnotationTypes;
46 import javax.lang.model.SourceVersion;
47 import javax.lang.model.element.TypeElement;
48 import org.junit.jupiter.api.BeforeEach;
49 import org.junit.jupiter.api.Test;
50 import org.junit.jupiter.api.TestInfo;
51 import toolbox.JavacTask;
52 import toolbox.Task;
53 import toolbox.ToolBox;
54
55 public class APImplicitClassesWarnings {
56
57 final ToolBox tb = new ToolBox();
58 Path base;
59
60 @Test
61 public void testCorrectSource() throws Exception {
62 Path src = base.resolve("src");
63 Path classes = base.resolve("classes");
64 tb.writeJavaFiles(src,
65 """
66 package test;
67
68 @Deprecated(forRemoval=true)
69 public class Depr {
70 }
71 """,
72 """
73 package test;
74 public class Use {
75 Implicit implicit;
76 Depr depr;
77 }
78 """,
79 """
80 package test;
81 public interface Implicit {}
82 """);
83 Files.createDirectories(classes);
84
85 List<String> log = new JavacTask(tb)
86 .options("-d", classes.toString(),
87 "-XDrawDiagnostics",
88 "-implicit:class",
89 "-sourcepath", src.toString())
90 .files(src.resolve("test").resolve("Depr.java"),
91 src.resolve("test").resolve("Use.java"))
92 .processors(new ProcessorImpl())
93 .run()
94 .writeAll()
95 .getOutputLines(Task.OutputKind.DIRECT);
96
97 List<String> expected = List.of(
98 "Use.java:4:5: compiler.warn.has.been.deprecated.for.removal: test.Depr, test",
99 "Use.java:4:5: compiler.warn.has.been.deprecated.for.removal: test.Depr, test",
100 "Use.java:4:5: compiler.warn.has.been.deprecated.for.removal: test.Depr, test",
101 "3 warnings"
102 );
103
104 tb.checkEqual(expected, log);
105 }
106
107 @Test
108 public void testCorrectSuppress() throws Exception {
109 Path src = base.resolve("src");
110 Path classes = base.resolve("classes");
111 tb.writeJavaFiles(src,
112 //note the added @SuppressWarnings("removal"):
113 """
114 package test;
115
116 @Deprecated(forRemoval=true)
117 public class Depr {
118 }
119 """,
120 """
121 package test;
122 public class Use {
123 Implicit implicit;
124 @SuppressWarnings("removal")
125 Depr depr;
126 }
127 """,
128 """
129 package test;
130 public interface Implicit {}
131 """);
132 Files.createDirectories(classes);
133
134 new JavacTask(tb)
135 .options("-d", classes.toString(),
136 "-Werror",
137 "-implicit:class",
138 "-sourcepath", src.toString())
139 .files(src.resolve("test").resolve("Depr.java"),
140 src.resolve("test").resolve("Use.java"))
141 .processors(new ProcessorImpl())
142 .run()
143 .writeAll();
144 }
145
146 @SupportedAnnotationTypes("*")
147 private static class ProcessorImpl extends AbstractProcessor {
148 @Override
149 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
150 return false;
151 }
152 @Override
153 public SourceVersion getSupportedSourceVersion() {
154 return SourceVersion.latest();
155 }
156 }
157
158 @BeforeEach
159 public void setUp(TestInfo info) {
160 base = Paths.get(".")
161 .resolve(info.getTestMethod().orElseThrow().getName());
162 }
163 }