Quelle ToolEnablePreviewTest.java Sprache: JAVA

/*
* Copyright (c) 2018, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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* questions.
*/

/*
* @test
* @bug 8199193
* @summary Tests for the --enable-preview option
* @requires vm.continuations
* @run testng ToolEnablePreviewTest
*/

import org.testng.annotations.Test;

import static org.testng.Assert.assertTrue;

public class ToolEnablePreviewTest extends ReplToolTesting {

    @Test
    public void testOptionDebug() {
        String release = System.getProperty("java.specification.version");
        test(
                (a) -> assertCommand(a, "/debug b",
                        "RemoteVM Options: []\n"
                        + "Compiler options: []"),
                (a) -> assertCommand(a, "/env --enable-preview",
                        "| Setting new options and restoring state."),
                (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
                    assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
                    assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
                            || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
                            "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
                            + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
                            + "\nBut got -- " + s);
                })
        );
    }

    @Test
    public void testCommandLineFlag() {
        String release = System.getProperty("java.specification.version");
        test(new String[] {"--enable-preview"},
                (a) -> assertCommandCheckOutput(a, "/debug b", s -> {
                    assertTrue(s.contains("RemoteVM Options: [--enable-preview]"));
                    assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]")
                            || s.contains("Compiler options: [--enable-preview, -source, " + release + "]"),
                            "\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
                            + "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
                            + "\nBut got -- " + s);
                })
        );
    }

    @Test
    public void testCompilerTestFlagEnv() {
        test(new String[] {"-C", "-XDforcePreview"},
                (a) -> assertCommandOutputContains(a, "Function f = (var i) -> i + i",
                        "Error", "preview feature"),
                (a) -> assertCommand(a, "/env --enable-preview",
                        "| Setting new options and restoring state."),
                (a) -> assertCommandOutputContains(a, "Function f = (var i) -> i + i",
                        "f ==> ")
        );
    }

    @Test
    public void testCompilerTestFlag() {
        test(new String[] {"-C", "-XDforcePreview", "--enable-preview"},
                (a) -> assertCommandOutputContains(a, "Function f = (var i) -> i + i",
                        "f ==> "),
                (a) -> assertCommandOutputContains(a, "f.apply(2)", "==> 4")
        );
    }

}

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