test/langtools/tools/javac/parser/ExtraPackageSemicolon.java - master - githubmirror/panama-vector

test/langtools/tools/javac/parser/ExtraPackageSemicolon.java
89 строк3 KB
Archie Cobbs
8305671: javac rejects semicolons in compilation units with no imports
26 июн 2023, 22:05
26 июн 2023, 22:05a08352f
/*
 * Copyright (c) 2023, 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.
 */

/*
 * @test
 * @bug 8305671
 * @summary Verify an extra semicolon is allowed after package decl with no imports
 * @library /tools/lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.main
 *          jdk.compiler/com.sun.tools.javac.util
 * @build toolbox.ToolBox toolbox.JavacTask
 * @run main ExtraPackageSemicolon
 */

import com.sun.tools.javac.Main;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;

import toolbox.TestRunner;
import toolbox.ToolBox;
import toolbox.JavacTask;
import toolbox.Task;

public class ExtraPackageSemicolon extends TestRunner {

    protected ToolBox tb;

    public ExtraPackageSemicolon() {
        super(System.err);
        tb = new ToolBox();
    }

    protected void runTests() throws Exception {
        runTests(m -> new Object[] { Paths.get(m.getName()) });
    }

    @Test
    public void test(Path base) throws Exception {
        testCompile(base, "package p;");
        testCompile(base, "package p;;");
        testCompile(base, "package p;;   ");
        testCompile(base, "package p\n;");
        testCompile(base, "package p\n;\n");
        testCompile(base, "package p\n;\n;\n");
        testCompile(base, "package p;;;;;;;;;;;;;;;;;;;;;;;;;;;;");
        testCompile(base, "package p;; ;; ;; ;;; ;;; ;;; ;;");
        testCompile(base, "package p;;\n;;\n;;\n;;;\n;;;\n;;;\n;;");
        testCompile(base, "package p;\nimport java.util.Map;");
        testCompile(base, "package p;\nimport java.util.Map;\n;");
        testCompile(base, "package p;\nimport java.util.Map;\n;; ;;");
    }

    private void testCompile(Path base, String javaSource) throws Exception {
        Path src = base.resolve("src");
        tb.writeJavaFiles(src, javaSource);
        Path classes = base.resolve("classes");
        tb.createDirectories(classes);
        new JavacTask(tb, Task.Mode.CMDLINE)
            .outdir(classes)
            .files(tb.findJavaFiles(src))
            .run(Task.Expect.SUCCESS);
    }

    public static void main(String... args) throws Exception {
        new ExtraPackageSemicolon().runTests();
    }
}