/*

 * Copyright (c) 2004, 2011, 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

 * @bug 4981811 4984465 5064492 6240171 7000511

 * @summary Unit test for all constructors introduced by the formatter feature

 */

import java.io.*;

import java.util.*;

import java.nio.charset.Charset;

public class Constructors {

    private static int fail = 0;

    private static int pass = 0;

    private static Throwable first;

    static void pass() {

        pass++;

    }

    static void fail(String fs) {

        String s = "'" + fs + "': exception not thrown";

        if (first == null)

            first = new RuntimeException(s);

        System.err.println("FAILED: " + s);

        fail++;

    }

    static void fail(String fs, Throwable ex) {

        String s = "'" + fs + "': " + ex.getClass().getName() + " thrown";

        if (first == null)

            first = ex;

        System.err.println("FAILED: " + s);

        fail++;

    }

    static void locale(Formatter f) {

        locale(f, Locale.getDefault(Locale.Category.FORMAT));

    }

    static void locale(Formatter f, Locale l) {

        try {

            if ((l != null && !l.equals(f.locale()))

                || (l == null && f.locale() != null))

                    throw new RuntimeException(f.locale() + " != " + l);

            pass();

        } catch (RuntimeException x) {

            fail(x.getMessage());

        }

    }

    static void out(Formatter f, Class c) {

        try {

            Appendable a = f.out();

            if (!c.isInstance(a))

                throw new RuntimeException(a.getClass().getName()

                                           + " != " + c.getName());

            pass();

        } catch (RuntimeException x) {

            fail(x.getMessage());

        }

    }

    public static void main(String [] args) {

        // Formatter()

        try (Formatter f = new Formatter()) {

            pass();

            out(f, StringBuilder.class);

            locale(f);

        } catch (Exception x) {

            fail("new Formatter()", x);

        }

        // Formatter(Appendable a)

        try (Formatter f = new Formatter((Appendable) null)) {

            pass();

            out(f, StringBuilder.class);

            locale(f);

        } catch (Exception x) {

            fail("new Formatter((Appendable)null)", x);

        }

        // Formatter(Locale l)

        try (Formatter f = new Formatter((Locale) null)) {

            pass();

            out(f, StringBuilder.class);

            locale(f, null);

        } catch (Exception x) {

            fail("new Formatter((Locale)null)", x);

        }

        // Formatter(Appendable a, Locale l)

        try (Formatter f = new Formatter((Appendable) null, (Locale) null)) {

            pass();

            out(f, StringBuilder.class);

            locale(f, null);

        } catch (Exception x) {

            fail("new Formatter((Appendable) null, (Locale) null)", x);

        }

        // Formatter(String fileName)

        try (Formatter f = new Formatter("foo")) {

            pass();

            out(f, BufferedWriter.class);

            locale(f);

        } catch (Exception x) {

            fail("new Formatter(\"foo\")", x);

        }

        try {

            new Formatter((String)null);

            fail("new Formatter((String)null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((String)null)", x);

        }

        // Formatter(String fileName, String csn)

        try (Formatter f = new Formatter("foo", "UTF-8")) {

            pass();

            out(f, BufferedWriter.class);

            locale(f);

        } catch (Exception x) {

            fail("new Formatter(\"foo\", \"UTF-8\")", x);

        }

        try {

            new Formatter("foo", "bar");

            fail("new Formatter(\"foo\", \"bar\")");

        } catch (UnsupportedEncodingException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter(\"foo\", \"bar\")", x);

        }

        try {

            new Formatter(".", "bar");

            fail("new Formatter(\".\", \"bar\")");

        } catch (FileNotFoundException|UnsupportedEncodingException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter(\".\", \"bar\")", x);

        }

        // Formatter(String fileName, String csn, Locale l)

        try (Formatter f = new Formatter("foo", "ISO-8859-1", Locale.GERMANY)) {

            pass();

            out(f, BufferedWriter.class);

            locale(f, Locale.GERMANY);

        } catch (Exception x) {

            fail("new Formatter(\"foo\", \"ISO-8859-1\", Locale.GERMANY)", x);

        }

        try (Formatter f = new Formatter("foo", "ISO-8859-1", null)) {

            pass();

            locale(f, null);

            out(f, BufferedWriter.class);

        } catch (Exception x) {

            fail("new Formatter(\"foo\", \"ISO-8859-1\", null)", x);

        }

        // Formatter(File)

        try (Formatter f = new Formatter(new File("foo"))) {

            pass();

            locale(f);

            out(f, BufferedWriter.class);

        } catch (Exception x) {

            fail("new Formatter(new File(\"foo\")", x);

        }

        try {

            new Formatter((File)null);

            fail("new Formatter((File)null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((File)null)", x);

        }

        // Formatter(PrintStream ps)

        try {

            // ambiguity detected at compile-time

            Formatter f = new Formatter(System.out);

            pass();

            out(f, PrintStream.class);

            locale(f);

        } catch (Exception x) {

            fail("new Formatter(System.out)", x);

        }

        try {

            new Formatter((PrintStream) null);

            fail("new Formatter((PrintStream) null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((PrintStream) null)", x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"))) {

            pass();

            locale(f);

            out(f, PrintStream.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\")", x);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\")", x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"),

                                         Locale.JAPANESE)) {

            pass();

            locale(f, Locale.JAPANESE);

            out(f, PrintStream.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\")", x);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\")", x);

        }

        try (PrintStream ps = new PrintStream("foo")) {

            // The cast here is necessary to avoid an ambiguity error

            // between Formatter(Appendable a, Locale l)

            // and Formatter(OutputStream os, String csn)

            new Formatter(ps, (String)null);

            fail("new Formatter(new PrintStream(\"foo\"), (String)null)");

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\"), (String)null)", x);

        } catch (NullPointerException x) {

            pass();

        } catch (UnsupportedEncodingException x) {

            fail("new Formatter(new PrintStream(\"foo\"), (String)null)", x);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), (String)null)", x);

        }

        // The cast here is necessary to avoid an ambiguity error

        // between Formatter(Appendable a, Locale l)

        // and  Formatter(OutputStream os, String csn)

        try (Formatter f = new Formatter(new PrintStream("foo"),

                                         (Locale)null)) {

            pass();

            locale(f, null);

            out(f, PrintStream.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\"), (Locale)null)", x);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), (Locale)null)", x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"),

                                         Locale.KOREAN)) {

            pass();

            locale(f, Locale.KOREAN);

            out(f, PrintStream.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\"), Locale.KOREAN)", x);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), Locale.KOREAN)", x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"),

                                         "UTF-16BE", null)) {

            pass();

            locale(f, null);

            out(f, BufferedWriter.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", null");

        } catch (UnsupportedEncodingException x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", null");

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", null");

        }

        try (Formatter f = new Formatter(new PrintStream("foo"),

                                         "UTF-16BE", Locale.ITALIAN)) {

            pass();

            locale(f, Locale.ITALIAN);

            out(f, BufferedWriter.class);

        } catch (FileNotFoundException x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", Locale.ITALIAN");

        } catch (UnsupportedEncodingException x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", Locale.ITALIAN");

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-16BE\", Locale.ITALIAN");

        }

        String csn = Charset.defaultCharset().newEncoder().canEncode('\u00a3') ?

            "ASCII" : "ISO-8859-1";

        try {

            ByteArrayOutputStream bs[] = { new ByteArrayOutputStream(),

                                           new ByteArrayOutputStream(),

                                           new ByteArrayOutputStream()

            };

            new Formatter((Appendable)  new PrintStream(bs[0], true, csn)).format("\u00a3");

            new Formatter((OutputStream)new PrintStream(bs[1], true, csn)).format("\u00a3");

            new Formatter(              new PrintStream(bs[2], true, csn)).format("\u00a3");

            if (Arrays.equals(bs[0].toByteArray(), bs[1].toByteArray())) {

                fail("arrays shouldn't match: " + bs[0].toByteArray());

            } else {

                pass();

            }

            if (! Arrays.equals(bs[0].toByteArray(), bs[2].toByteArray())) {

                fail("arrays should match: " + bs[0].toByteArray() + " != "

                     + bs[2].toByteArray());

            } else {

                pass();

            }

        } catch (UnsupportedEncodingException x) {

            fail("new PrintStream(newByteArrayOutputStream, true, " + csn + ")", x);

        }

        // Formatter(OutputStream os)

        try {

            new Formatter((OutputStream) null);

            fail("new Formatter((OutputStream) null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((OutputStream) null)", x);

        }

        try (Formatter f = new Formatter((OutputStream) new PrintStream("foo"))) {

            pass();

            locale(f);

            out(f, BufferedWriter.class);

        } catch (Exception x) {

            fail("new Formatter((OutputStream) new PrintStream(\"foo\")", x);

        }

        // Formatter(OutputStream os, String csn)

        try {

            new Formatter((OutputStream) null, "ISO-8859-1");

            fail("new Formatter((OutputStream) null, \"ISO-8859-1\")");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((OutputStream) null, \"ISO-8859-1\")", x);

        }

        try (PrintStream ps = new PrintStream("foo")) {

            new Formatter((OutputStream) ps, null);

            fail("new Formatter((OutputStream) new PrintStream(\"foo\"), null");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((OutputStream) new PrintStream(\"foo\"), null",

                 x);

        }

        try (PrintStream ps = new PrintStream("foo")) {

            new Formatter(ps, "bar");

            fail("new Formatter(new PrintStream(\"foo\"), \"bar\")");

        } catch (UnsupportedEncodingException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"bar\")", x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"), "UTF-8")) {

            pass();

            locale(f);

            out(f, BufferedWriter.class);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-8\")", x);

        }

        // Formatter(OutputStream os, String csn, Locale l)

        try {

            new Formatter((OutputStream) null, "ISO-8859-1", Locale.UK);

            fail("new Formatter((OutputStream) null, \"ISO-8859-1\", Locale.UK)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter((OutputStream) null, \"ISO-8859-1\", Locale.UK)",

                 x);

        }

        try (PrintStream ps = new PrintStream("foo")) {

            new Formatter(ps, null, Locale.UK);

            fail("new Formatter(new PrintStream(\"foo\"), null, Locale.UK)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), null, Locale.UK)",

                 x);

        }

        try (PrintStream ps = new PrintStream("foo")) {

            new Formatter(ps, "bar", Locale.UK);

            fail("new Formatter(new PrintStream(\"foo\"), \"bar\", Locale.UK)");

        } catch (UnsupportedEncodingException x) {

            pass();

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"bar\", Locale.UK)",

                 x);

        }

        try (Formatter f = new Formatter(new PrintStream("foo"), "UTF-8", Locale.UK)) {

            pass();

            out(f, BufferedWriter.class);

            locale(f, Locale.UK);

        } catch (Exception x) {

            fail("new Formatter(new PrintStream(\"foo\"), \"UTF-8\"), Locale.UK",

                 x);

        }

        // PrintStream(String fileName)

        try (PrintStream ps = new PrintStream("foo")) {

            pass();

        } catch (Exception x) {

            fail("new PrintStream(\"foo\")", x);

        }

        // PrintStream(String fileName, String csn)

        try {

            new PrintStream("foo", null);

            fail("new PrintStream(\"foo\", null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new PrintStream(\"foo\", null)", x);

        }

        // PrintStream(File file)

        try (PrintStream ps = new PrintStream(new File("foo"))) {

            pass();

        } catch (Exception x) {

            fail("new PrintStream(new File(\"foo\"))", x);

        }

        // PrintStream(File file, String csn)

        try {

            new PrintStream(new File("foo"), null);

            fail("new PrintStream(new File(\"foo\"), null)");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new PrintStream(new File(\"foo\"), null)", x);

        }

        // PrintWriter(String fileName)

        try (PrintWriter pw = new PrintWriter("foo")) {

            pass();

        } catch (Exception x) {

            fail("new PrintWriter(\"foo\")", x);

        }

        // PrintWriter(String fileName, String csn)

        try {

            new PrintWriter("foo", null);

            fail("new PrintWriter(\"foo\"), null");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new PrintWriter(\"foo\"), null", x);

        }

        // PrintWriter(File file)

        try (PrintWriter pw = new PrintWriter(new File("foo"))) {

            pass();

        } catch (Exception x) {

            fail("new PrintWriter(new File(\"foo\"))", x);

        }

        // PrintWriter(File file, String csn)

        try {

            new PrintWriter(new File("foo"), null);

            fail("new PrintWriter(new File(\"foo\")), null");

        } catch (NullPointerException x) {

            pass();

        } catch (Exception x) {

            fail("new PrintWriter(new File(\"foo\")), null", x);

        }

        if (fail != 0)

            throw new RuntimeException((fail + pass) + " tests: "

                                       + fail + " failure(s), first", first);

        else

            System.out.println("all " + (fail + pass) + " tests passed");

    }

}