jdk-24/langtools/test/tools/javac/modules/ReportNonExistentPackageTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 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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/**
 * @test 8144342 8149658
 * @summary javac doesn't report errors if module exports non-existent package
 * @library /tools/lib
 * @modules
 *      jdk.compiler/com.sun.tools.javac.api
 *      jdk.compiler/com.sun.tools.javac.main
 *      jdk.jdeps/com.sun.tools.javap
 * @build ToolBox ModuleTestBase
 * @run main ReportNonExistentPackageTest
 */

import java.nio.file.Files;
import java.nio.file.Path;

public class ReportNonExistentPackageTest extends ModuleTestBase {
    public static void main(String... args) throws Exception {
        ReportNonExistentPackageTest t = new ReportNonExistentPackageTest();
        t.runTests();
    }

    @Test
    void testExportUnknownPackage(Path base) throws Exception {
        Path src = base.resolve("src");
        tb.writeJavaFiles(src, "module m { exports p1; }");
        Path classes = base.resolve("classes");
        Files.createDirectories(classes);

        String log = tb.new JavacTask()
                .options("-XDrawDiagnostics")
                .outdir(classes)
                .files(findJavaFiles(src))
                .run(ToolBox.Expect.FAIL)
                .writeAll()
                .getOutput(ToolBox.OutputKind.DIRECT);
        if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
            throw new Exception("expected output not found");
    }

    @Test
    void testExportEmptyPackage(Path base) throws Exception {
        Path src = base.resolve("src");
        tb.writeJavaFiles(src,
                "module m { exports p1; }",
                "package p1;");
        Path classes = base.resolve("classes");
        Files.createDirectories(classes);

        String log = tb.new JavacTask()
                .options("-XDrawDiagnostics")
                .outdir(classes)
                .files(findJavaFiles(src))
                .run(ToolBox.Expect.FAIL)
                .writeAll()
                .getOutput(ToolBox.OutputKind.DIRECT);
        if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
            throw new Exception("expected output not found");
    }

    @Test
    void testPackageWithMemberWOPackageDeclaration(Path base) throws Exception {
        Path src = base.resolve("src");
        tb.writeJavaFiles(src, "module m { exports p1; }");
        Path p1 = src.resolve("p1");
        Path C = p1.resolve("C.java");
        tb.writeFile(C, "// comment");
        Path classes = base.resolve("classes");
        Files.createDirectories(classes);

        String log = tb.new JavacTask()
                .options("-XDrawDiagnostics")
                .outdir(classes)
                .files(findJavaFiles(src))
                .run(ToolBox.Expect.FAIL)
                .writeAll()
                .getOutput(ToolBox.OutputKind.DIRECT);
        if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
            throw new Exception("expected output not found");
    }
}