/*

 * Copyright (c) 2018, 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

 * @modules java.base/jdk.internal.math

 */

import jdk.internal.math.FloatingDecimal;

public class ToString {

    private static int fail = 0;

    private static Throwable first;

    public static void main(String argv[]) {

        test("10.0");

        test("1.0");

        test("0.1");

        test("0.01");

        test("0.001");

        test("1.0E-4");

        if (fail != 0)

            throw new RuntimeException(fail + " failure(s), first", first);

    }

    private static void test(String exp) {

        float c = Float.parseFloat(exp);

        String got = FloatingDecimal.toJavaFormatString(c);

        if (!got.equals(exp))

            fail("float '" + "': Expected '" + exp + "', got '" + got + "'");

        double d = Double.parseDouble(exp);

        got = FloatingDecimal.toJavaFormatString(d);

        if (!got.equals(exp))

            fail("double '" + "': Expected '" + exp + "', got '" + got + "'");

    }

    private static void fail(String s) {

        if (first == null)

            setFirst(s);

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

        fail++;

    }

    private static void setFirst(String s) {

        try {

            throw new RuntimeException(s);

        } catch (RuntimeException x) {

            first = x;

        }

    }

}