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/*
* Copyright (c) 2023, 2025, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import static org.junit.jupiter.api.Assertions.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Set;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
/*
* @test
* @bug 8304400 8344706
* @summary Test basic features of javac's source-code launcher
* @modules jdk.compiler/com.sun.tools.javac.launcher
* @run junit BasicSourceLauncherTests
*/
class BasicSourceLauncherTests {
@Test
void launchHelloClassInHelloJavaUnit(@TempDir Path base) throws Exception {
var hello = Files.writeString(base.resolve("Hello.java"),
"""
public class Hello {
public static void main(String... args) {
System.out.println("Hi");
}
}
""");
var run = Run.of(hello);
var result = run.result();
assertAll("# " + run,
() -> assertLinesMatch(
"""
Hi
""".lines(), run.stdOut().lines()),
() -> assertTrue(run.stdErr().isEmpty()),
() -> assertNull(run.exception()),
() -> assertEquals(Set.of("Hello"), result.classNames()),
() -> assertNotNull(result.programClass().getResource("Hello.java")),
() -> assertNotNull(result.programClass().getResource("Hello.class")));
}
@Test
void launchHelloClassInHalloJavaUnit(@TempDir Path base) throws Exception {
var hallo = Files.writeString(base.resolve("Hallo.java"),
"""
public class Hello {
public static void main(String... args) {
System.out.println("Hi!");
}
}
""");
var run = Run.of(hallo);
var result = run.result();
assertAll("# " + run,
() -> assertLinesMatch(
"""
Hi!
""".lines(), run.stdOut().lines()),
() -> assertTrue(run.stdErr().isEmpty()),
() -> assertNull(run.exception()),
() -> assertEquals(Set.of("Hello"), result.classNames()),
() -> assertNotNull(result.programClass().getResource("Hallo.java")),
() -> assertNotNull(result.programClass().getResource("Hello.class")));
}
@Test
void launchMinifiedJavaProgram(@TempDir Path base) throws Exception {
var hi = Files.writeString(base.resolve("Hi.java"),
"""
void main() {
System.out.println("Hi!");
}
""");
var run = Run.of(hi, List.of(), List.of());
assertAll("# " + run,
() -> assertLinesMatch(
"""
Hi!
""".lines(), run.stdOut().lines()),
() -> assertTrue(run.stdErr().isEmpty()),
() -> assertNull(run.exception()));
}
}
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