1 /*
2 * Copyright (c) 2018, 2022, 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 testng 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 org.testng.annotations.Test;
37
38 import static org.testng.Assert.assertTrue;
39
40 public class ToolEnablePreviewTest extends ReplToolTesting {
41
42 @Test
43 public void testOptionDebug() {
44 String release = System.getProperty("java.specification.version");
45 test(
46 (a) -> assertCommand(a, "/debug b",
47 "RemoteVM Options: []\n"
48 + "Compiler options: []"),
49 (a) -> assertCommand(a, "/env --enable-preview",
50 "| Setting new options and restoring state."),
51 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
52 assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
53 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
54 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
55 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
56 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
57 + "\nBut got -- " + s);
58 })
59 );
60 }
61
62 @Test
63 public void testCommandLineFlag() {
64 String release = System.getProperty("java.specification.version");
65 test(new String[] {"--enable-preview"},
66 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
67 assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
68 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
69 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
70 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
71 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
72 + "\nBut got -- " + s);
73 })
74 );
75 }
76
77 @Test
78 public void testCompilerTestFlagEnv() throws IOException {
79 Path startupFile = Paths.get("startup.repl");
80 try (Writer w = Files.newBufferedWriter(startupFile)) {
81 w.write("""
82 import java.util.function.*;
83 """);
84 }
85 test(new String[] {"-C", "-XDforcePreview", "-startup", startupFile.toString()},
86 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
87 "Error", "preview feature"),
88 (a) -> assertCommand(a, "/env --enable-preview",
89 "| Setting new options and restoring state."),
90 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
91 "f ==> ")
92 );
93 }
94
95 @Test
96 public void testCompilerTestFlag() {
97 test(new String[] {"-C", "-XDforcePreview", "--enable-preview"},
98 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
99 "f ==> "),
100 (a) -> assertCommandOutputContains(a, "f.apply(2)", "==> 4")
101 );
102 }
103
104 }