111 lines
4.1 KiB
Java
111 lines
4.1 KiB
Java
/*
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* Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import static org.junit.jupiter.api.Assertions.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.List;
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import java.util.Set;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.io.TempDir;
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/*
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* @test
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* @enablePreview
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* @bug 8304400
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* @summary Test basic features of javac's source-code launcher
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* @modules jdk.compiler/com.sun.tools.javac.launcher
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* @run junit BasicSourceLauncherTests
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*/
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class BasicSourceLauncherTests {
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@Test
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void launchHelloClassInHelloJavaUnit(@TempDir Path base) throws Exception {
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var hello = Files.writeString(base.resolve("Hello.java"),
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"""
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public class Hello {
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public static void main(String... args) {
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System.out.println("Hi");
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}
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}
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""");
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var run = Run.of(hello);
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var result = run.result();
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assertAll("# " + run,
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() -> assertLinesMatch(
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"""
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Hi
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""".lines(), run.stdOut().lines()),
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() -> assertTrue(run.stdErr().isEmpty()),
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() -> assertNull(run.exception()),
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() -> assertEquals(Set.of("Hello"), result.classNames()),
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() -> assertNotNull(result.programClass().getResource("Hello.java")),
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() -> assertNotNull(result.programClass().getResource("Hello.class")));
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}
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@Test
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void launchHelloClassInHalloJavaUnit(@TempDir Path base) throws Exception {
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var hallo = Files.writeString(base.resolve("Hallo.java"),
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"""
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public class Hello {
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public static void main(String... args) {
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System.out.println("Hi!");
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}
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}
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""");
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var run = Run.of(hallo);
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var result = run.result();
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assertAll("# " + run,
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() -> assertLinesMatch(
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"""
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Hi!
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""".lines(), run.stdOut().lines()),
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() -> assertTrue(run.stdErr().isEmpty()),
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() -> assertNull(run.exception()),
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() -> assertEquals(Set.of("Hello"), result.classNames()),
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() -> assertNotNull(result.programClass().getResource("Hallo.java")),
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() -> assertNotNull(result.programClass().getResource("Hello.class")));
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}
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@Test
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void launchMinifiedJavaProgram(@TempDir Path base) throws Exception {
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var hi = Files.writeString(base.resolve("Hi.java"),
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"""
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void main() {
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System.out.println("Hi!");
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}
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""");
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var run = Run.of(hi, List.of("--enable-preview"), List.of());
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assertAll("# " + run,
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() -> assertLinesMatch(
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"""
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Hi!
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""".lines(), run.stdOut().lines()),
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() -> assertTrue(run.stdErr().isEmpty()),
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() -> assertNull(run.exception()));
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}
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}
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