mirror of
https://github.com/openjdk/jdk.git
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125 lines
4.2 KiB
Java
125 lines
4.2 KiB
Java
/*
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* Copyright (c) 2026, 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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/*
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* @test
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* @bug 8384132
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* @summary Check that captured local variables in lambdas inside switch expression
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* static field initialization are passed correctly.
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* @library /tools/lib
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* @modules
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* @build toolbox.ToolBox toolbox.JavacTask
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* @run junit ${test.main.class}
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*/
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import toolbox.JavaTask;
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import toolbox.JavacTask;
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import toolbox.ToolBox;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.TestInfo;
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import toolbox.Task;
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public class LambdaCaptureInStaticInit {
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Path base;
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ToolBox tb = new ToolBox();
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@Test
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void testCompilerDoesNotCrash() throws Exception {
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Path classes = base.resolve("classes");
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Files.createDirectories(classes);
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new JavacTask(tb)
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.options("-d", classes.toString())
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.sources("""
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import java.util.function.Function;;
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class Test {
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static boolean b = switch ("test") {
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case "test" -> {
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String s = "yes";
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Function<Integer, String> f = a -> s;
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yield f.apply(1) == s;
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}
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default -> false;
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};
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static final Object o;
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static {
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o = null;
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}
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}
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""")
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.run()
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.writeAll();
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}
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@Test
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void testSemanticsIsPreserved() throws Exception {
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Path classes = base.resolve("classes");
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Files.createDirectories(classes);
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new JavacTask(tb)
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.options("-d", classes.toString())
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.sources("""
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import java.util.function.Function;;
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class Test {
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static boolean b = switch ("test") {
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case "test" -> {
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String s = "yes";
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Function<Integer, String> f = a -> s;
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yield f.apply(1) == s;
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}
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default -> false;
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};
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public static void main(String[] args) {
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if (!b) System.exit(1);
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}
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}
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""")
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.run()
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.writeAll();
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new JavaTask(tb)
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.className("Test")
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.classpath(classes.toString())
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.run(Task.Expect.SUCCESS);
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}
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@BeforeEach
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public void setUp(TestInfo info) {
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base = Paths.get(".")
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.resolve(info.getTestMethod()
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.orElseThrow()
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.getName());
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}
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}
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