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

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * version 2 for more details (a copy is included in the LICENSE file that

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 *

 * 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,

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/**

 * @test

 * @bug 8146946

 * @summary implement javac -m option

 * @library /tools/lib

 * @modules

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

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

 * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase

 * @run main MOptionTest

 */

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.attribute.FileTime;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.ToolBox;

public class MOptionTest extends ModuleTestBase {

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

        new MOptionTest().runTests();

    }

    @Test

    public void testOneModule(Path base) throws Exception {

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

        Path m1 = src.resolve("m1");

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

        Files.createDirectories(build);

        tb.writeJavaFiles(m1,

                "module m1 {}",

                "package test; public class Test {}");

        new JavacTask(tb)

                .options("-m", "m1", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        Path moduleInfoClass = build.resolve("m1/module-info.class");

        Path testTestClass = build.resolve("m1/test/Test.class");

        FileTime moduleInfoTimeStamp = Files.getLastModifiedTime(moduleInfoClass);

        FileTime testTestTimeStamp = Files.getLastModifiedTime(testTestClass);

        Path moduleInfo = m1.resolve("module-info.java");

        if (moduleInfoTimeStamp.compareTo(Files.getLastModifiedTime(moduleInfo)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        Path testTest = m1.resolve("test/Test.java");

        if (testTestTimeStamp.compareTo(Files.getLastModifiedTime(testTest)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        Thread.sleep(2000); //timestamps

        new JavacTask(tb)

                .options("-m", "m1", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        if (!moduleInfoTimeStamp.equals(Files.getLastModifiedTime(moduleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (!testTestTimeStamp.equals(Files.getLastModifiedTime(testTestClass))) {

            throw new AssertionError("Classfile update!");

        }

        Thread.sleep(2000); //timestamps

        Files.setLastModifiedTime(testTest, FileTime.fromMillis(System.currentTimeMillis()));

        new JavacTask(tb)

                .options("-m", "m1", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        if (!moduleInfoTimeStamp.equals(Files.getLastModifiedTime(moduleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (Files.getLastModifiedTime(testTestClass).compareTo(Files.getLastModifiedTime(testTest)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

    }

    @Test

    public void testNoOutputDir(Path base) throws Exception {

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

        Path m1 = src.resolve("m1");

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

        Files.createDirectories(build);

        tb.writeJavaFiles(m1,

                "module m1 {}",

                "package test; public class Test {}");

        String log = new JavacTask(tb)

                .options("-XDrawDiagnostics",

                    "-m", "m1",

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

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.output.dir.must.be.specified.with.dash.m.option"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testNoModuleSourcePath(Path base) throws Exception {

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

        Path m1 = src.resolve("m1");

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

        Files.createDirectories(build);

        tb.writeJavaFiles(m1,

                "module m1 {}",

                "package test; public class Test {}");

        String log = new JavacTask(tb)

                .options("-XDrawDiagnostics",

                        "-m", "m1",

                        "-d", build.toString())

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.modulesourcepath.must.be.specified.with.dash.m.option"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testMultiModule(Path base) throws Exception {

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

        Path m1 = src.resolve("m1");

        Path m2 = src.resolve("m2");

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

        Files.createDirectories(build);

        tb.writeJavaFiles(m1,

                "module m1 {}",

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

        tb.writeJavaFiles(m2,

                "module m2 {}",

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

        new JavacTask(tb)

                .options("-m", "m1,m2", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        Path m1ModuleInfoClass = build.resolve("m1/module-info.class");

        Path classC1 = build.resolve("m1/p1/C1.class");

        Path m2ModuleInfoClass = build.resolve("m2/module-info.class");

        Path classC2 = build.resolve("m2/p2/C2.class");

        FileTime m1ModuleInfoTimeStamp = Files.getLastModifiedTime(m1ModuleInfoClass);

        FileTime C1TimeStamp = Files.getLastModifiedTime(classC1);

        FileTime m2ModuleInfoTimeStamp = Files.getLastModifiedTime(m2ModuleInfoClass);

        FileTime C2TimeStamp = Files.getLastModifiedTime(classC2);

        Path m1ModuleInfo = m1.resolve("module-info.java");

        Path m2ModuleInfo = m2.resolve("module-info.java");

        if (m1ModuleInfoTimeStamp.compareTo(Files.getLastModifiedTime(m1ModuleInfo)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        if (m2ModuleInfoTimeStamp.compareTo(Files.getLastModifiedTime(m2ModuleInfo)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        Path C1Source = m1.resolve("p1/C1.java");

        Path C2Source = m2.resolve("p2/C2.java");

        if (C1TimeStamp.compareTo(Files.getLastModifiedTime(C1Source)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        if (C2TimeStamp.compareTo(Files.getLastModifiedTime(C2Source)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        Thread.sleep(2000); //timestamps

        new JavacTask(tb)

                .options("-m", "m1,m2", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        if (!m1ModuleInfoTimeStamp.equals(Files.getLastModifiedTime(m1ModuleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (!m2ModuleInfoTimeStamp.equals(Files.getLastModifiedTime(m2ModuleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (!C1TimeStamp.equals(Files.getLastModifiedTime(classC1))) {

            throw new AssertionError("Classfile update!");

        }

        if (!C2TimeStamp.equals(Files.getLastModifiedTime(classC2))) {

            throw new AssertionError("Classfile update!");

        }

        Thread.sleep(2000); //timestamps

        Files.setLastModifiedTime(C1Source, FileTime.fromMillis(System.currentTimeMillis()));

        Files.setLastModifiedTime(C2Source, FileTime.fromMillis(System.currentTimeMillis()));

        new JavacTask(tb)

                .options("-m", "m1,m2", "--module-source-path", src.toString(), "-d", build.toString())

                .run(Task.Expect.SUCCESS)

                .writeAll();

        if (!m1ModuleInfoTimeStamp.equals(Files.getLastModifiedTime(m1ModuleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (!m2ModuleInfoTimeStamp.equals(Files.getLastModifiedTime(m2ModuleInfoClass))) {

            throw new AssertionError("Classfile update!");

        }

        if (Files.getLastModifiedTime(classC1).compareTo(Files.getLastModifiedTime(C1Source)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

        if (Files.getLastModifiedTime(classC2).compareTo(Files.getLastModifiedTime(C2Source)) < 0) {

            throw new AssertionError("Classfiles too old!");

        }

    }

}