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 }