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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * 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

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 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/*

 * @test

 * @bug 8172240

 * @summary javac should not need the transitive closure to compile a module

 * @library /tools/lib

 * @modules

 *      jdk.compiler/com.sun.tools.javac.api

 *      jdk.compiler/com.sun.tools.javac.code

 *      jdk.compiler/com.sun.tools.javac.main

 *      jdk.compiler/com.sun.tools.javac.processing

 * @build toolbox.ToolBox toolbox.JavacTask toolbox.ModuleBuilder ModuleTestBase

 * @run main MissingModuleTest

 */

import java.nio.file.Files;

import java.nio.file.Path;

import java.util.Arrays;

import java.util.List;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.Task.Expect;

public class MissingModuleTest extends ModuleTestBase {

    public static void main(String... args) throws Exception {

        new MissingModuleTest().runTests();

    }

    @Test

    public void testMissingNotNeeded(Path base) throws Exception {

        doTest(base, "m1x", new String[0]);

    }

    @Test

    public void testMissingNeededTransitive(Path base) throws Exception {

        doTest(base, "m2x", "- compiler.err.module.not.found: m2x", "1 error");

    }

    @Test

    public void testMissingNeededDirect(Path base) throws Exception {

        doTest(base, "m3x", "module-info.java:1:24: compiler.err.module.not.found: m3x", "1 error");

    }

    @Test

    public void testMultipleErrors(Path base) throws Exception {

        doTest(base, "m4x", "module-info.java:1:38: compiler.err.module.not.found: m4x", "1 error");

    }

    private void doTest(Path base, String toDelete, String... errors) throws Exception {

        //note: avoiding use of java.base, as that gets special handling on some places:

        Path srcMP = base.resolve("src-mp");

        Path m1x = srcMP.resolve("m1x");

        tb.writeJavaFiles(m1x,

                          "module m1x { exports api1; }",

                          "package api1; public interface Api { }");

        Path m2x = srcMP.resolve("m2x");

        tb.writeJavaFiles(m2x,

                          "module m2x { requires m1x; exports api2; }",

                          "package api2; public interface Api { }");

        Path m3x = srcMP.resolve("m3x");

        tb.writeJavaFiles(m3x,

                          "module m3x { requires transitive m2x; }");

        Path m4x = srcMP.resolve("m4x");

        tb.writeJavaFiles(m4x,

                          "module m4x { requires transitive m2x; }");

        Path m5x = srcMP.resolve("m5x");

        tb.writeJavaFiles(m5x,

                          "module m5x { requires transitive m4x; }");

        Path classesMP = base.resolve("classes-mp");

        tb.createDirectories(classesMP);

        new JavacTask(tb)

            .options("--module-source-path", srcMP.toString())

            .outdir(classesMP)

            .files(findJavaFiles(srcMP))

            .run()

            .writeAll();

        tb.cleanDirectory(classesMP.resolve(toDelete));

        Files.delete(classesMP.resolve(toDelete));

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                          "module test { requires m3x; requires m4x; requires m5x; } ");

        Path classes = base.resolve("classes");

        tb.createDirectories(classes);

        List<String> log = new JavacTask(tb)

                .options("--module-path", classesMP.toString(),

                         "-XDrawDiagnostics")

                .outdir(classes)

                .files(findJavaFiles(src))

                .run(errors.length > 0 ? Expect.FAIL : Expect.SUCCESS)

                .writeAll()

                .getOutputLines(Task.OutputKind.DIRECT);

        if (errors.length == 0) {

            errors = new String[] {""};

        }

        if (!log.equals(Arrays.asList(errors)))

            throw new Exception("expected output not found: " + log);

    }

}