/*

 * Copyright (c) 2015, 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

 * @compile Basic.java

 * @run testng p.Basic

 * @summary Basic test for java.lang.Class::getPackageName

 */

package p;

import org.testng.annotations.Test;

import org.testng.annotations.DataProvider;

import static org.testng.Assert.*;

public class Basic {

    // -- member classes --

    static class Nested {

        static class Foo { }

    }

    Class<?> getNestedClass1() {

        return Nested.class;

    }

    Class<?> getNestedClass2() {

        return Nested.Foo.class;

    }

    class Inner {

        class Foo { }

    }

    Class<?> getInnerClass1() {

        return Inner.class;

    }

    Class<?> getInnerClass2() {

        return Inner.Foo.class;

    }

    // -- local and anonymous classes --

    Class<?> getLocalClass1() {

        class Local { }

        return Local.class;

    }

    Class<?> getLocalClass2() {

        class Local {

            class Foo { }

        }

        return Local.Foo.class;

    }

    Class<?> getLocalClass3() {

        class Local {

            final Class<?> c;

            Local() {

                class Foo { }

                this.c = Foo.class;

            }

            Class<?> get() {

                return c;

            }

        }

        return new Local().get();

    }

    Class<?> getAnonymousClass1() {

        Runnable r = new Runnable() { public void run() { } };

        return r.getClass();

    }

    Class<?> getAnonymousClass2() {

        class Local {

            Class<?> get() {

                Runnable r = new Runnable() { public void run() { } };

                return r.getClass();

            }

        }

        return new Local().get();

    }

    Class<?> getAnonymousClass3() {

        Runnable r = () -> { };

        return r.getClass();

    }

    Class<?> getAnonymousClass4() {

        class Local {

            Class<?> get() {

                Runnable r = () -> { };

                return r.getClass();

            }

        }

        return new Local().get();

    }

    Class<?> getAnonymousClass5() {

        class Local {

            final Class<?> c;

            Local() {

                Runnable r = new Runnable() { public void run() { } };

                this.c = r.getClass();

            }

            Class<?> get() {

                return c;

            }

        }

        return new Local().get();

    }

    Class<?> getAnonymousClass6() {

        class Local {

            final Class<?> c;

            Local() {

                Runnable r = () -> { };

                this.c = r.getClass();

            }

            Class<?> get() {

                return c;

            }

        }

        return new Local().get();

    }

    static final String TEST_PACKAGE = Basic.class.getPackage().getName();

    @DataProvider(name = "classes")

    public Object[][] classes() {

        return new Object[][] {

            { Basic.class,                  TEST_PACKAGE },

            { Basic[].class,                null },

            { Basic[][].class,              null },

            { getNestedClass1(),            TEST_PACKAGE },

            { getNestedClass2(),            TEST_PACKAGE },

            { getInnerClass1(),             TEST_PACKAGE },

            { getInnerClass2(),             TEST_PACKAGE },

            { getLocalClass1(),             TEST_PACKAGE },

            { getLocalClass2(),             TEST_PACKAGE },

            { getLocalClass3(),             TEST_PACKAGE },

            { getAnonymousClass1(),         TEST_PACKAGE },

            { getAnonymousClass2(),         TEST_PACKAGE },

            { getAnonymousClass3(),         TEST_PACKAGE },

            { getAnonymousClass4(),         TEST_PACKAGE },

            { getAnonymousClass5(),         TEST_PACKAGE },

            { getAnonymousClass6(),         TEST_PACKAGE },

            { Object.class,                 "java.lang" },

            { Object[].class,               null },

            { Object[][].class,             null },

            { int.class,                    null },

            { int[].class,                  null },

            { int[][].class,                null },

            { void.class,                   null },

        };

    }

    @Test(dataProvider = "classes")

    public void testPackageName(Class<?> type, String expected) {

        assertEquals(type.getPackageName(), expected);

    }

}