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 * @ignore 8316628 30 */ 31 32 import java.io.IOException; 33 import java.io.Writer; 34 import java.nio.file.Files; 35 import java.nio.file.Path; 36 import java.nio.file.Paths; 37 import org.testng.annotations.Test; 38 39 import static org.testng.Assert.assertTrue; 40 41 public class ToolEnablePreviewTest extends ReplToolTesting { 42 43 @Test 44 public void testOptionDebug() { 45 String release = System.getProperty("java.specification.version"); 46 test( 47 (a) -> assertCommand(a, "/debug b", 48 "RemoteVM Options: []\n" 49 + "Compiler options: []"), 50 (a) -> assertCommand(a, "/env --enable-preview", 51 "| Setting new options and restoring state."), 52 (a) -> assertCommandCheckOutput(a, "/debug b", s -> { 53 assertTrue(s.contains("RemoteVM Options: [--enable-preview]")); 54 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]") 55 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"), 56 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]" 57 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]" 58 + "\nBut got -- " + s); 59 }) 60 ); 61 } 62 63 @Test 64 public void testCommandLineFlag() { 65 String release = System.getProperty("java.specification.version"); 66 test(new String[] {"--enable-preview"}, 67 (a) -> assertCommandCheckOutput(a, "/debug b", s -> { 68 assertTrue(s.contains("RemoteVM Options: [--enable-preview]")); 69 assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]") 70 || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"), 71 "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]" 72 + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]" 73 + "\nBut got -- " + s); 74 }) 75 ); 76 } 77 78 @Test 79 public void testCompilerTestFlagEnv() throws IOException { 80 Path startupFile = Paths.get("startup.repl"); 81 try (Writer w = Files.newBufferedWriter(startupFile)) { 82 w.write(""" 83 import java.util.function.*; 84 """); 85 } 86 test(new String[] {"-C", "-XDforcePreview", "-startup", startupFile.toString()}, 87 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i", 88 "Error", "preview feature"), 89 (a) -> assertCommand(a, "/env --enable-preview", 90 "| Setting new options and restoring state."), 91 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i", 92 "f ==> ") 93 ); 94 } 95 96 @Test 97 public void testCompilerTestFlag() { 98 test(new String[] {"-C", "-XDforcePreview", "--enable-preview"}, 99 (a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i", 100 "f ==> "), 101 (a) -> assertCommandOutputContains(a, "f.apply(2)", "==> 4") 102 ); 103 } 104 105 }