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 org.testng.annotations.Test;
32 
33 import static org.testng.Assert.assertTrue;
34 
35 public class ToolEnablePreviewTest extends ReplToolTesting {
36 
37     @Test
38     public void testOptionDebug() {
39         String release = System.getProperty("java.specification.version");
40         test(
41                 (a) -> assertCommand(a, "/debug b",
42                         "RemoteVM Options: []\n"
43                         + "Compiler options: []"),
44                 (a) -> assertCommand(a, "/env --enable-preview",
45                         "|  Setting new options and restoring state."),
46                 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
47                     assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
48                     assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
49                             || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
50                             "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
51                             + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
52                             + "\nBut got -- " + s);
53                 })
54         );
55     }
56 
57     @Test
58     public void testCommandLineFlag() {
59         String release = System.getProperty("java.specification.version");
60         test(new String[] {"--enable-preview"},
61                 (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
62                     assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
63                     assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
64                             || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
65                             "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
66                             + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
67                             + "\nBut got -- " + s);
68                 })
69         );
70     }
71 
72     @Test
73     public void testCompilerTestFlagEnv() {
74         test(new String[] {"-C", "-XDforcePreview"},
75                 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
76                         "Error", "preview feature"),
77                 (a) -> assertCommand(a, "/env --enable-preview",
78                         "|  Setting new options and restoring state."),
79                 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
80                         "f ==> ")
81         );
82     }
83 
84     @Test
85     public void testCompilerTestFlag() {
86         test(new String[] {"-C", "-XDforcePreview", "--enable-preview"},
87                 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i",
88                         "f ==> "),
89                 (a) -> assertCommandOutputContains(a, "f.apply(2)", "==> 4")
90         );
91     }
92 
93 }