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

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

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/*

 * @test

 * @bug 8167975 8173596

 * @summary Test the --add-modules option

 * @library /tools/lib

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

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

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

 * @run main AddModulesTest

 */

import java.nio.file.Path;

import java.util.Arrays;

import javax.tools.JavaCompiler;

import javax.tools.JavaCompiler.CompilationTask;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.StandardLocation;

import javax.tools.ToolProvider;

import toolbox.Assert;

import toolbox.JavacTask;

import toolbox.Task;

public class AddModulesTest extends ModuleTestBase {

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

        new AddModulesTest().runTests();

    }

    @Test

    public void testEmpty(Path base) throws Exception {

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

        tb.writeJavaFiles(src, "class Dummy { }");

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

        tb.createDirectories(classes);

        testEmpty(src, classes, "--add-modules", "");

        testEmpty(src, classes, "--add-modules=");

    }

    private void testEmpty(Path src, Path classes, String... options) throws Exception {

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options(options)

                .outdir(classes)

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        checkOutputContains(log,

            "javac: no value for --add-modules option");

    }

    @Test

    public void testEmptyItem(Path base) throws Exception {

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

        Path src_m1 = src.resolve("m1x");

        tb.writeJavaFiles(src_m1,

                          "module m1x { }");

        Path src_m2 = src.resolve("m2x");

        tb.writeJavaFiles(src_m2,

                          "module m2x { }");

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

        tb.createDirectories(classes);

        testEmptyItem(src, classes, ",m1x");

        testEmptyItem(src, classes, "m1x,,m2x");

        testEmptyItem(src, classes, "m1x,");

    }

    private void testEmptyItem(Path src, Path classes, String option) throws Exception {

        new JavacTask(tb)

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

                         "--add-modules", option)

                .outdir(classes)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void testEmptyList(Path base) throws Exception {

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

        tb.writeJavaFiles(src, "class Dummy { }");

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

        tb.createDirectories(classes);

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

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

                         "--add-modules", ",")

                .outdir(classes)

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        checkOutputContains(log,

            "javac: bad value for --add-modules option");

    }

    @Test

    public void testInvalidName(Path base) throws Exception {

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

        tb.writeJavaFiles(src, "class Dummy { }");

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

        tb.createDirectories(classes);

        String log = new JavacTask(tb)

                .options("-XDrawDiagnostics",

                         "--add-modules", "BadModule!")

                .outdir(classes)

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        checkOutputContains(log,

            "- compiler.err.bad.name.for.option: --add-modules, BadModule!");

    }

    @Test

    public void testUnknownName(Path base) throws Exception {

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

        tb.writeJavaFiles(src, "class Dummy { }");

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

        tb.createDirectories(classes);

        String log = new JavacTask(tb)

                .options("-XDrawDiagnostics",

                         "--add-modules", "DoesNotExist")

                .outdir(classes)

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        checkOutputContains(log,

            "- compiler.err.module.not.found: DoesNotExist");

    }

    @Test

    public void testDuplicate(Path base) throws Exception {

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

        // setup a utility module

        Path src_m1 = src.resolve("m1x");

        tb.writeJavaFiles(src_m1,

                          "module m1x { exports p1; }",

                          "package p1; public class C1 { }");

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

        tb.createDirectories(modules);

        new JavacTask(tb)

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

                .outdir(modules)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

        // now test access to the module

        Path src2 = base.resolve("src2");

        tb.writeJavaFiles(src2,

                          "class Dummy { p1.C1 c1; }");

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

        tb.createDirectories(classes);

        new JavacTask(tb)

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

                         "--add-modules", "m1x,m1x")

                .outdir(classes)

                .files(findJavaFiles(src2))

                .run()

                .writeAll();

    }

    @Test

    public void testRepeatable(Path base) throws Exception {

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

        // setup some utility modules

        Path src_m1 = src.resolve("m1x");

        tb.writeJavaFiles(src_m1,

                          "module m1x { exports p1; }",

                          "package p1; public class C1 { }");

        Path src_m2 = src.resolve("m2x");

        tb.writeJavaFiles(src_m2,

                          "module m2x { exports p2; }",

                          "package p2; public class C2 { }");

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

        tb.createDirectories(modules);

        new JavacTask(tb)

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

                .outdir(modules)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

        // now test access to the modules

        Path src2 = base.resolve("src2");

        tb.writeJavaFiles(src2,

                          "class Dummy { p1.C1 c1; p2.C2 c2; }");

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

        tb.createDirectories(classes);

        new JavacTask(tb)

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

                         "--add-modules", "m1x",

                         "--add-modules", "m2x")

                .outdir(classes)

                .files(findJavaFiles(src2))

                .run()

                .writeAll();

    }

    @Test

    public void testAddModulesAPI(Path base) throws Exception {

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

        // setup some utility modules

        Path src_m1 = src.resolve("m1x");

        tb.writeJavaFiles(src_m1,

                          "module m1x { exports p1; }",

                          "package p1; public class C1 { }");

        Path src_m2 = src.resolve("m2x");

        tb.writeJavaFiles(src_m2,

                          "module m2x { exports p2; }",

                          "package p2; public class C2 { }");

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

        tb.createDirectories(modules);

        new JavacTask(tb)

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

                .outdir(modules)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

        // now test access to the modules

        Path src2 = base.resolve("src2");

        tb.writeJavaFiles(src2,

                          "class Dummy { p1.C1 c1; p2.C2 c2; }");

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

        tb.createDirectories(classes);

        JavaCompiler c = ToolProvider.getSystemJavaCompiler();

        try (StandardJavaFileManager fm = c.getStandardFileManager(null, null, null)) {

            fm.setLocationFromPaths(StandardLocation.MODULE_PATH, Arrays.asList(modules));

            fm.setLocationFromPaths(StandardLocation.CLASS_OUTPUT, Arrays.asList(classes));

            Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(src2));

            CompilationTask t = c.getTask(null, fm, null, null, null, files);

            t.addModules(Arrays.asList("m1x", "m2x"));

            Assert.check(t.call());

        }

    }

}