1 /*
2 * Copyright (c) 2025, 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 * @summary Verify javac handles preview files in JRT FS reasonably.
27 * @library /tools/lib
28 * @modules
29 * jdk.compiler/com.sun.tools.javac.api
30 * jdk.compiler/com.sun.tools.javac.main
31 * jdk.compiler/com.sun.tools.javac.platform
32 * jdk.compiler/com.sun.tools.javac.util:+open
33 * @run junit/othervm PreviewJRTImage
34 * @run junit/othervm --enable-preview PreviewJRTImage
35 */
36
37 import java.nio.file.Files;
38 import java.nio.file.Path;
39 import java.nio.file.Paths;
40 import java.util.List;
41
42 import org.junit.Test;
43
44 import toolbox.JavacTask;
45 import toolbox.Task;
46 import toolbox.Task.Expect;
47 import toolbox.Task.Mode;
48 import toolbox.ToolBox;
49
50 import static org.junit.Assert.*;
51
52 public class PreviewJRTImage {
53
54 private final ToolBox tb = new ToolBox();
55 private final String specificationVersion = System.getProperty("java.specification.version");
56
57 @Test
58 public void testVersionInDependency() throws Exception {
59 Path root = Paths.get(".");
60 Path src = root.resolve("src");
61
62 tb.writeJavaFiles(src,
63 """
64 import sun.misc.Unsafe;
65 public class Test {
66 void test() {
67 Boolean b = true;
68 synchronized (b) {
69 }
70 Unsafe u;
71 }
72 }
73 """);
74
75 Path classes = root.resolve("classes");
76 Files.createDirectories(classes);
77
78 List<String> log;
79 List<String> expected;
80
81 for (String option : new String[]{"--source", "--release"}) {
82 for (Mode mode : new Mode[]{Mode.API, Mode.CMDLINE}) {
83 // Without preview:
84 log = new JavacTask(tb, mode)
85 .outdir(classes)
86 .options(option, specificationVersion, "-XDrawDiagnostics")
87 .files(tb.findJavaFiles(src))
88 .run()
89 .writeAll()
90 .getOutputLines(Task.OutputKind.DIRECT);
91
92 expected = List.of(
93 "Test.java:1:16: compiler.warn.sun.proprietary: sun.misc.Unsafe",
94 "Test.java:7:9: compiler.warn.sun.proprietary: sun.misc.Unsafe",
95 "Test.java:5:9: compiler.warn.attempt.to.synchronize.on.instance.of.value.based.class",
96 "3 warnings"
97 );
98
99 assertEquals(expected, log);
100
101 // With preview:
102 log = new JavacTask(tb, mode)
103 .outdir(classes)
104 .options(option, specificationVersion, "--enable-preview", "-XDrawDiagnostics")
105 .files(tb.findJavaFiles(src))
106 .run(Expect.FAIL)
107 .writeAll()
108 .getOutputLines(Task.OutputKind.DIRECT);
109
110 expected = List.of(
111 "Test.java:1:16: compiler.warn.sun.proprietary: sun.misc.Unsafe",
112 "Test.java:5:9: compiler.err.type.found.req: java.lang.Boolean, (compiler.misc.type.req.identity)",
113 "Test.java:7:9: compiler.warn.sun.proprietary: sun.misc.Unsafe",
114 "1 error",
115 "2 warnings"
116 );
117
118 assertEquals(expected, log);
119 }
120 }
121 }
122 }