1 /*
2 * Copyright (c) 2018, 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 * @bug 8199193
27 * @summary Tests for the --enable-preview option
28 * @run junit ToolEnablePreviewTest
29 */
30
31 import java.io.IOException;
32 import java.io.Writer;
33 import java.nio.file.Files;
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
36 import static org.junit.jupiter.api.Assertions.assertTrue;
37 import org.junit.jupiter.api.Test;
38
39 public class ToolEnablePreviewTest extends ReplToolTesting {
40
41 @Test
42 public void testOptionDebug() {
43 String release = System.getProperty("java.specification.version");
44 test(
45 (a) -> assertCommand(a, "/debug b",
46 "RemoteVM Options: []\n"
47 + "Compiler options: []"),
48 (a) -> assertCommand(a, "/env --enable-preview",
49 "| Setting new options and restoring state."),
50 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
51 assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
52 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
53 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
54 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
55 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
56 + "\nBut got -- " + s);
57 })
58 );
59 }
60
61 @Test
62 public void testCommandLineFlag() {
63 String release = System.getProperty("java.specification.version");
64 test(new String[] {"--enable-preview"},
65 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
66 assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
67 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
68 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
69 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
70 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
71 + "\nBut got -- " + s);
72 })
73 );
74 }
75
76 @Test
77 public void testCompilerTestFlagEnv() throws IOException {
78 Path startupFile = Paths.get("startup.repl");
79 try (Writer w = Files.newBufferedWriter(startupFile)) {
80 w.write("""
81 import java.util.function.*;
82 """);
83 }
84 test(new String[] {"-C", "-XDforcePreview", "-startup", startupFile.toString()},
85 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
86 "Error", "preview feature"),
87 (a) -> assertCommand(a, "/env --enable-preview",
88 "| Setting new options and restoring state."),
89 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
90 "f ==> ")
91 );
92 }
93
94 @Test
95 public void testCompilerTestFlag() {
96 test(new String[] {"-C", "-XDforcePreview", "--enable-preview"},
97 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
98 "f ==> "),
99 (a) -> assertCommandOutputContains(a, "f.apply(2)", "==> 4")
100 );
101 }
102
103 }
--- EOF ---