/*

 * Copyright (c) 2015, 2016, 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

 * @summary tests for -upgrademodulepath

 * @library /tools/lib

 * @modules

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

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

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

 * @run main UpgradeModulePathTest

 */

import java.io.File;

import java.nio.file.Path;

import toolbox.JavacTask;

import toolbox.ModuleBuilder;

import toolbox.Task;

import toolbox.ToolBox;

public class UpgradeModulePathTest extends ModuleTestBase {

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

        UpgradeModulePathTest t = new UpgradeModulePathTest();

        t.runTests();

    }

    @Test

    public void simpleUsage(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(modules);

        final Path upgradeModules = base.resolve("upgradeModules");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class E { }")

                .build(upgradeModules);

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

        tb.writeJavaFiles(src, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.E.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void onlyUpgradeModulePath(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        final Path upgradeModule = base.resolve("upgradeModule");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class E { }")

                .build(upgradeModule);

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

        tb.writeJavaFiles(src, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.E.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void withModuleSourcePath(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        final Path upgradeModule = base.resolve("upgradeModule");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class E { }")

                .build(upgradeModule);

        final Path s = base.resolve("source");

        tb.writeJavaFiles(s.resolve("m3"), "module m3 { }");

        final Path upgradeModule3 = base.resolve("upgradeModule");

        new ModuleBuilder(tb, "m3")

                .exports("pkg3")

                .classes("package pkg3; public class E { }")

                .build(upgradeModule);

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

        tb.writeJavaFiles(src.resolve("m2"), "module m2 { requires m1; requires m3; }",

                "package p; class A { void main() { pkg2.E.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(module)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void sameUpgradeAndModulePath(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        final Path upgradeModule = base.resolve("upgradeModule");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class E { }")

                .build(upgradeModule);

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

        tb.writeJavaFiles(src, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.E.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void dummyFileInUpgradeModulePath(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        Path dummy = base.resolve("dummy.txt");

        tb.writeFile(dummy, "");

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

        tb.writeJavaFiles(src, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.E.class.getName(); } }");

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

                .options("-XDrawDiagnostics",

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

            throw new Exception("Expected output was not found");

        }

    }

    @Test

    public void severalUpgradeModules(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class A { }")

                .build(module);

        new ModuleBuilder(tb, "m2")

                .exports("pkg2")

                .classes("package pkg2; public class B { }")

                .build(module);

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

        new ModuleBuilder(tb, "m2")

                .exports("pkg2")

                .classes("package pkg2; public class BC { }")

                .build(upgradeModule);

        new ModuleBuilder(tb, "m3")

                .exports("pkg3")

                .classes("package pkg3; public class DC { }")

                .build(upgradeModule);

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

        tb.writeJavaFiles(src, "module m4 { requires m1; requires m2; requires m3; }",

                "package p; class A { void main() { pkg1.A.class.getName(); pkg2.BC.class.getName(); pkg3.DC.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

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

        tb.writeJavaFiles(src2, "module m4 { requires m1; }",

                "package p; class A { void main() { pkg2.B.class.getName(); } }");

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

                .options("-XDrawDiagnostics",

                .files(findJavaFiles(src2))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("compiler.err.doesnt.exist: pkg2")) {

            throw new Exception("Expected output was not found");

        }

    }

    @Test

    public void severalUpgradeModulePathsLastWin(Path base) throws Exception {

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

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        final Path upgradeModule1 = base.resolve("upgradeModule1");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class EC1 { }")

                .build(upgradeModule1);

        final Path upgradeModule2 = base.resolve("upgradeModule2");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class EC2 { }")

                .build(upgradeModule2);

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

        tb.writeJavaFiles(src, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.EC2.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

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

        tb.writeJavaFiles(src2, "module m2 { requires m1; }",

                "package p; class A { void main() { pkg2.EC1.class.getName(); } }");

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

                .options("-XDrawDiagnostics",

                .files(findJavaFiles(src2))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("compiler.err.cant.resolve.location: kindname.class, EC1, , , (compiler.misc.location: kindname.package, pkg2, null)")) {

            throw new Exception("Expected output was not found");

        }

    }

}