test/jdk/java/util/Formatter/BasicDouble.java - master - githubmirror/panama-vector

test/jdk/java/util/Formatter/BasicDouble.java
740 строк35 KB
Raffaello Giulietti
8300869: Make use of the Double.toString(double) algorithm in java.util.Formatter
02 фев 2023, 22:10
02 фев 2023, 22:10f696785
/*
 * Copyright (c) 2003, 2023, 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.
 */

/* Type-specific source code for unit test
 *
 * Regenerate the BasicX classes via genBasic.sh whenever this file changes.
 * We check in the generated source files so that the test tree can be used
 * independently of the rest of the source tree.
 */

// -- This file was mechanically generated: Do not edit! -- //

import java.io.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormatSymbols;
import java.util.*;

import static java.util.Calendar.*;

public class BasicDouble extends Basic {


    private static double create(double v) {
        return (double) v;
    }


    private static double negate(double v) {
        return -v;
    }

    private static double mult(double v, double mul) {
        return v * mul;
    }

    private static double recip(double v) {
        return 1.0 / v;
    }

    public static void test() {
        TimeZone.setDefault(TimeZone.getTimeZone("GMT-0800"));

        // Any characters not explicitly defined as conversions, date/time
        // conversion suffixes, or flags are illegal and are reserved for
        // future extensions.  Use of such a character in a format string will
        // cause an UnknownFormatConversionException or
        // UnknownFormatFlagsException to be thrown.
        tryCatch("%q", UnknownFormatConversionException.class);
        tryCatch("%t&", UnknownFormatConversionException.class);
        tryCatch("%&d", UnknownFormatConversionException.class);
        tryCatch("%^b", UnknownFormatConversionException.class);

        //---------------------------------------------------------------------
        // Formatter.java class javadoc examples
        //---------------------------------------------------------------------
        test(Locale.FRANCE, "e = %+10.4f", "e =    +2,7183", Math.E);
        test("%4$2s %3$2s %2$2s %1$2s", " d  c  b  a", "a", "b", "c", "d");
        test("Amount gained or lost since last statement: $ %,(.2f",
             "Amount gained or lost since last statement: $ (6,217.58)",
             (new BigDecimal("-6217.58")));
        Calendar c = new GregorianCalendar(1969, JULY, 20, 16, 17, 0);
        testSysOut("Local time: %tT", "Local time: 16:17:00", c);

        test("Unable to open file '%1$s': %2$s",
             "Unable to open file 'food': No such file or directory",
             "food", "No such file or directory");
        Calendar duke = new GregorianCalendar(1995, MAY, 23, 19, 48, 34);
        duke.set(Calendar.MILLISECOND, 584);
        test("Duke's Birthday: %1$tB %1$te, %1$tY",
             "Duke's Birthday: May 23, 1995",
             duke);
        test("Duke's Birthday: %1$tB %1$te, %1$tY",
             "Duke's Birthday: May 23, 1995",
             duke.getTime());
        test("Duke's Birthday: %1$tB %1$te, %1$tY",
             "Duke's Birthday: May 23, 1995",
             duke.getTimeInMillis());

        test("%4$s %3$s %2$s %1$s %4$s %3$s %2$s %1$s",
             "d c b a d c b a", "a", "b", "c", "d");
        test("%s %s %<s %<s", "a b b b", "a", "b", "c", "d");
        test("%s %s %s %s", "a b c d", "a", "b", "c", "d");
        test("%2$s %s %<s %s", "b a a b", "a", "b", "c", "d");

        //---------------------------------------------------------------------
        // %b
        //
        // General conversion applicable to any argument.
        //---------------------------------------------------------------------
        test("%b", "true", true);
        test("%b", "false", false);
        test("%B", "TRUE", true);
        test("%B", "FALSE", false);
        test("%b", "true", Boolean.TRUE);
        test("%b", "false", Boolean.FALSE);
        test("%B", "TRUE", Boolean.TRUE);
        test("%B", "FALSE", Boolean.FALSE);
        test("%14b", "          true", true);
        test("%-14b", "true          ", true);
        test("%5.1b", "    f", false);
        test("%-5.1b", "f    ", false);

        test("%b", "true", "foo");
        test("%b", "false", (Object)null);

        // Boolean.java hardcodes the Strings for "true" and "false", so no
        // localization is possible.
        test(Locale.FRANCE, "%b", "true", true);
        test(Locale.FRANCE, "%b", "false", false);

        // If you pass in a single array to a varargs method, the compiler
        // uses it as the array of arguments rather than treating it as a
        // single array-type argument.
        test("%b", "false", (Object[])new String[2]);
        test("%b", "true", new String[2], new String[2]);

        int [] ia = { 1, 2, 3 };
        test("%b", "true", ia);

        //---------------------------------------------------------------------
        // %b - errors
        //---------------------------------------------------------------------
        tryCatch("%#b", FormatFlagsConversionMismatchException.class);
        tryCatch("%-b", MissingFormatWidthException.class);
        // correct or side-effect of implementation?
        tryCatch("%.b", UnknownFormatConversionException.class);
        tryCatch("%,b", FormatFlagsConversionMismatchException.class);

        //---------------------------------------------------------------------
        // %c
        //
        // General conversion applicable to any argument.
        //---------------------------------------------------------------------
        test("%c", "i", 'i');
        test("%C", "I", 'i');
        test("%4c",  "   i", 'i');
        test("%-4c", "i   ", 'i');
        test("%4C",  "   I", 'i');
        test("%-4C", "I   ", 'i');
        test("%c", "i", Character.valueOf('i'));
        test("%c", "H", (byte) 72);
        test("%c", "i", (short) 105);
        test("%c", "!", (int) 33);
        test("%c", "\u007F", Byte.MAX_VALUE);
        test("%c", new String(Character.toChars(Short.MAX_VALUE)),
             Short.MAX_VALUE);
        test("%c", "null", (Object) null);

        //---------------------------------------------------------------------
        // %c - errors
        //---------------------------------------------------------------------
        tryCatch("%c", IllegalFormatConversionException.class,
                 Boolean.TRUE);
        tryCatch("%c", IllegalFormatConversionException.class,
                 (float) 0.1);
        tryCatch("%c", IllegalFormatConversionException.class,
                 new Object());
        tryCatch("%c", IllegalFormatCodePointException.class,
                 Byte.MIN_VALUE);
        tryCatch("%c", IllegalFormatCodePointException.class,
                 Short.MIN_VALUE);
        tryCatch("%c", IllegalFormatCodePointException.class,
                 Integer.MIN_VALUE);
        tryCatch("%c", IllegalFormatCodePointException.class,
                 Integer.MAX_VALUE);

        tryCatch("%#c", FormatFlagsConversionMismatchException.class);
        tryCatch("%,c", FormatFlagsConversionMismatchException.class);
        tryCatch("%(c", FormatFlagsConversionMismatchException.class);
        tryCatch("%$c", UnknownFormatConversionException.class);
        tryCatch("%.2c", IllegalFormatPrecisionException.class);

        //---------------------------------------------------------------------
        // %s
        //
        // General conversion applicable to any argument.
        //---------------------------------------------------------------------
        test("%s", "Hello, Duke", "Hello, Duke");
        test("%S", "HELLO, DUKE", "Hello, Duke");
        test("%20S", "         HELLO, DUKE", "Hello, Duke");
        test("%20s", "         Hello, Duke", "Hello, Duke");
        test("%-20s", "Hello, Duke         ", "Hello, Duke");
        test("%-20.5s", "Hello               ", "Hello, Duke");
        test("%s", "null", (Object)null);

        StringBuffer sb = new StringBuffer("foo bar");
        test("%s", sb.toString(), sb);
        test("%S", sb.toString().toUpperCase(), sb);

        //---------------------------------------------------------------------
        // %s - errors
        //---------------------------------------------------------------------
        tryCatch("%-s", MissingFormatWidthException.class);
        tryCatch("%--s", DuplicateFormatFlagsException.class);
        tryCatch("%#s", FormatFlagsConversionMismatchException.class, 0);
        tryCatch("%#s", FormatFlagsConversionMismatchException.class, 0.5f);
        tryCatch("%#s", FormatFlagsConversionMismatchException.class, "hello");
        tryCatch("%#s", FormatFlagsConversionMismatchException.class, (Object)null);

        //---------------------------------------------------------------------
        // %h
        //
        // General conversion applicable to any argument.
        //---------------------------------------------------------------------
        test("%h", Integer.toHexString("Hello, Duke".hashCode()),
             "Hello, Duke");
        test("%10h", "  ddf63471", "Hello, Duke");
        test("%-10h", "ddf63471  ", "Hello, Duke");
        test("%-10H", "DDF63471  ", "Hello, Duke");
        test("%10h", "  402e0000", 15.0);
        test("%10H", "  402E0000", 15.0);

        //---------------------------------------------------------------------
        // %h - errors
        //---------------------------------------------------------------------
        tryCatch("%#h", FormatFlagsConversionMismatchException.class);

        //---------------------------------------------------------------------
        // flag/conversion errors
        //---------------------------------------------------------------------
        tryCatch("%F", UnknownFormatConversionException.class);

        tryCatch("%#g", FormatFlagsConversionMismatchException.class);



        //---------------------------------------------------------------------
        // %s - double
        //---------------------------------------------------------------------
        double one = 1.0;
        double ten = 10.0;
        double pi  = Math.PI;

        test("%s", "3.141592653589793", pi);

        //---------------------------------------------------------------------
        // flag/conversion errors
        //---------------------------------------------------------------------
        tryCatch("%d", IllegalFormatConversionException.class, one);
        tryCatch("%,.4e", FormatFlagsConversionMismatchException.class, one);

        //---------------------------------------------------------------------
        // %e
        //
        // Floating-point conversions applicable to float, double, and
        // BigDecimal.
        //---------------------------------------------------------------------
        test("%e", "null", (Object)null);

        //---------------------------------------------------------------------
        // %e - float and double
        //---------------------------------------------------------------------
        // double PI = 3.141 592 653 589 793 238 46;
        test("%e", "3.141593e+00", pi);
        test("%.0e", "1e+01", ten);
        test("%#.0e", "1.e+01", ten);
        test("%E", "3.141593E+00", pi);
        test("%10.3e", " 3.142e+00", pi);
        test("%10.3e", "-3.142e+00", negate(pi));
        test("%010.3e", "03.142e+00", pi);
        test("%010.3e", "-3.142e+00", negate(pi));
        test("%-12.3e", "3.142e+00   ", pi);
        test("%-12.3e", "-3.142e+00  ", negate(pi));
        test("%.3e", "3.142e+00", pi);
        test("%.3e", "-3.142e+00", negate(pi));
        test("%.3e", "3.142e+06", mult(pi, 1000000.0));
        test("%.3e", "-3.142e+06", mult(pi, -1000000.0));

        test(Locale.FRANCE, "%e", "3,141593e+00", pi);

        // double PI^300
        //    = 13962455701329742638131355433930076081862072808 ... e+149

        test("%10.3e", " 1.000e+00", one);
        test("%+.3e", "+3.142e+00", pi);
        test("%+.3e", "-3.142e+00", negate(pi));
        test("% .3e", " 3.142e+00", pi);
        test("% .3e", "-3.142e+00", negate(pi));
        test("%#.0e", "3.e+00", create(3.0));
        test("%#.0e", "-3.e+00", create(-3.0));
        test("%.0e", "3e+00", create(3.0));
        test("%.0e", "-3e+00", create(-3.0));

        test("%(.4e", "3.1416e+06", mult(pi, 1000000.0));
        test("%(.4e", "(3.1416e+06)", mult(pi, -1000000.0));

        //---------------------------------------------------------------------
        // %e - boundary problems
        //---------------------------------------------------------------------
        test("%3.0e", "1e-06", 0.000001);
        test("%3.0e", "1e-05", 0.00001);
        test("%3.0e", "1e-04", 0.0001);
        test("%3.0e", "1e-03", 0.001);
        test("%3.0e", "1e-02", 0.01);
        test("%3.0e", "1e-01", 0.1);
        test("%3.0e", "9e-01", 0.9);
        test("%3.1e", "9.0e-01", 0.9);
        test("%3.0e", "1e+00", 1.00);
        test("%3.0e", "1e+01", 10.00);
        test("%3.0e", "1e+02", 99.19);
        test("%3.1e", "9.9e+01", 99.19);
        test("%3.0e", "1e+02", 99.99);
        test("%3.0e", "1e+02", 100.00);
        test("%#3.0e", "1.e+03",     1000.00);
        test("%3.0e", "1e+04",     10000.00);
        test("%3.0e", "1e+05",    100000.00);
        test("%3.0e", "1e+06",   1000000.00);
        test("%3.0e", "1e+07",  10000000.00);
        test("%3.0e", "1e+08", 100000000.00);

        //---------------------------------------------------------------------
        // %e - adoption of Double.toString(double) algorithm
        //---------------------------------------------------------------------
        test("%.1e", "9.9e-324", 1e-323);
        test("%.1e", "9.9e-323", 1e-322);
        test("%.15e", "7.387900000000000e+20", 7.3879e20);
        test("%.15e", "1.000000000000000e+23", 1e23);
        test("%.16e", "2.0000000000000000e+23", 2e23);
        test("%.16e", "1.9400994884341945e+25", 1.9400994884341945E25);

        //---------------------------------------------------------------------
        // %f
        //
        // Floating-point conversions applicable to float, double, and
        // BigDecimal.
        //---------------------------------------------------------------------
        test("%f", "null", (Object)null);
        test("%f", "3.141593", pi);
        test(Locale.FRANCE, "%f", "3,141593", pi);
        test("%10.3f", "     3.142", pi);
        test("%10.3f", "    -3.142", negate(pi));
        test("%010.3f", "000003.142", pi);
        test("%010.3f", "-00003.142", negate(pi));
        test("%-10.3f", "3.142     ", pi);
        test("%-10.3f", "-3.142    ", negate(pi));
        test("%.3f", "3.142", pi);
        test("%.3f", "-3.142", negate(pi));
        test("%+.3f", "+3.142", pi);
        test("%+.3f", "-3.142", negate(pi));
        test("% .3f", " 3.142", pi);
        test("% .3f", "-3.142", negate(pi));
        test("%#.0f", "3.", create(3.0));
        test("%#.0f", "-3.", create(-3.0));
        test("%.0f", "3", create(3.0));
        test("%.0f", "-3", create(-3.0));
        test("%.3f", "10.000", ten);
        test("%.3f", "1.000", one);
        test("%10.3f", "     1.000", one);

        //---------------------------------------------------------------------
        // %f - boundary problems
        //---------------------------------------------------------------------
        test("%3.0f", "  0", 0.000001);
        test("%3.0f", "  0", 0.00001);
        test("%3.0f", "  0", 0.0001);
        test("%3.0f", "  0", 0.001);
        test("%3.0f", "  0", 0.01);
        test("%3.0f", "  0", 0.1);
        test("%3.0f", "  1", 0.9);
        test("%3.1f", "0.9", 0.9);
        test("%3.0f", "  1", 1.00);
        test("%3.0f", " 10", 10.00);
        test("%3.0f", " 99", 99.19);
        test("%3.1f", "99.2", 99.19);
        test("%3.0f", "100", 99.99);
        test("%3.0f", "100", 100.00);
        test("%#3.0f", "1000.",     1000.00);
        test("%3.0f", "10000",     10000.00);
        test("%3.0f", "100000",    100000.00);
        test("%3.0f", "1000000",   1000000.00);
        test("%3.0f", "10000000",  10000000.00);
        test("%3.0f", "100000000", 100000000.00);
        test("%10.0f", "   1000000",   1000000.00);
        test("%,10.0f", " 1,000,000",   1000000.00);
        test("%,10.1f", "1,000,000.0",   1000000.00);
        test("%,3.0f", "1,000,000",   1000000.00);
        test("%,3.0f", "10,000,000",  10000000.00);
        test("%,3.0f", "100,000,000", 100000000.00);
        test("%,3.0f", "10,000,000",  10000000.00);
        test("%,3.0f", "100,000,000", 100000000.00);

        //---------------------------------------------------------------------
        // %f - adoption of Double.toString(double) algorithm
        //---------------------------------------------------------------------
        test("%.0f", "738790000000000000000", 7.3879e20);
        test("%.0f", "100000000000000000000000", 1e23);
        test("%.0f", "200000000000000000000000", 2e23);
        test("%.0f", "19400994884341945000000000", 1.9400994884341945E25);

        //---------------------------------------------------------------------
        // %f - float, double, Double, BigDecimal
        //---------------------------------------------------------------------
        test("%.3f", "3141592.654", mult(pi, 1000000.0));
        test("%.3f", "-3141592.654", mult(pi, -1000000.0));
        test("%,.4f", "3,141,592.6536", mult(pi, 1000000.0));
        test(Locale.FRANCE, "%,.4f", "3\u202f141\u202f592,6536", mult(pi, 1000000.0));
        test("%,.4f", "-3,141,592.6536", mult(pi, -1000000.0));
        test("%(.4f", "3141592.6536", mult(pi, 1000000.0));
        test("%(.4f", "(3141592.6536)", mult(pi, -1000000.0));
        test("%(,.4f", "3,141,592.6536", mult(pi, 1000000.0));
        test("%(,.4f", "(3,141,592.6536)", mult(pi, -1000000.0));


        //---------------------------------------------------------------------
        // %g
        //
        // Floating-point conversions applicable to float, double, and
        // BigDecimal.
        //---------------------------------------------------------------------
        test("%g", "null", (Object)null);
        test("%g", "3.14159", pi);
        test(Locale.FRANCE, "%g", "3,14159", pi);
        test("%.0g", "1e+01", ten);
        test("%G", "3.14159", pi);
        test("%10.3g", "      3.14", pi);
        test("%10.3g", "     -3.14", negate(pi));
        test("%010.3g", "0000003.14", pi);
        test("%010.3g", "-000003.14", negate(pi));
        test("%-12.3g", "3.14        ", pi);
        test("%-12.3g", "-3.14       ", negate(pi));
        test("%.3g", "3.14", pi);
        test("%.3g", "-3.14", negate(pi));
        test("%.3g", "3.14e+08", mult(pi, 100000000.0));
        test("%.3g", "-3.14e+08", mult(pi, -100000000.0));

        test("%.3g", "1.00e-05", recip(create(100000.0)));
        test("%.3g", "-1.00e-05", recip(create(-100000.0)));
        test("%.0g", "-1e-05", recip(create(-100000.0)));
        test("%.0g", "1e+05", create(100000.0));
        test("%.3G", "1.00E-05", recip(create(100000.0)));
        test("%.3G", "-1.00E-05", recip(create(-100000.0)));

        test("%.1g", "-0", -0.0);
        test("%3.0g", " -0", -0.0);
        test("%.1g", "0", 0.0);
        test("%3.0g", "  0", 0.0);
        test("%.1g", "0", +0.0);
        test("%3.0g", "  0", +0.0);

        test("%3.0g", "1e-06", 0.000001);
        test("%3.0g", "1e-05", 0.00001);
        test("%3.0g", "1e-05", 0.0000099);
        test("%3.1g", "1e-05", 0.0000099);
        test("%3.2g", "9.9e-06", 0.0000099);
        test("%3.0g", "0.0001", 0.0001);
        test("%3.0g", "9e-05",  0.00009);
        test("%3.0g", "0.0001", 0.000099);
        test("%3.1g", "0.0001", 0.000099);
        test("%3.2g", "9.9e-05", 0.000099);
        test("%3.0g", "0.001", 0.001);
        test("%3.0g", "0.001", 0.00099);
        test("%3.1g", "0.001", 0.00099);
        test("%3.2g", "0.00099", 0.00099);
        test("%3.3g", "0.00100", 0.001);
        test("%3.4g", "0.001000", 0.001);
        test("%3.0g", "0.01", 0.01);
        test("%3.0g", "0.1", 0.1);
        test("%3.0g", "0.9", 0.9);
        test("%3.1g", "0.9", 0.9);
        test("%3.0g", "  1", 1.00);
        test("%3.2g", " 10", 10.00);
        test("%3.0g", "1e+01", 10.00);
        test("%3.0g", "1e+02", 99.19);
        test("%3.1g", "1e+02", 99.19);
        test("%3.2g", " 99", 99.19);
        test("%3.0g", "1e+02", 99.9);
        test("%3.1g", "1e+02", 99.9);
        test("%3.2g", "1.0e+02", 99.9);
        test("%3.0g", "1e+02", 99.99);
        test("%3.0g", "1e+02", 100.00);
        test("%3.0g", "1e+03", 999.9);
        test("%3.1g", "1e+03", 999.9);
        test("%3.2g", "1.0e+03", 999.9);
        test("%3.3g", "1.00e+03", 999.9);
        test("%3.4g", "999.9", 999.9);
        test("%3.4g", "1000", 999.99);
        test("%3.0g", "1e+03", 1000.00);
        test("%3.0g", "1e+04",     10000.00);
        test("%3.0g", "1e+05",    100000.00);
        test("%3.0g", "1e+06",   1000000.00);
        test("%3.0g", "1e+07",  10000000.00);
        test("%3.9g", "100000000",  100000000.00);
        test("%3.10g", "100000000.0", 100000000.00);

        tryCatch("%#3.0g", FormatFlagsConversionMismatchException.class, 1000.00);

        //---------------------------------------------------------------------
        // %g - adoption of Double.toString(double) algorithm
        //---------------------------------------------------------------------
        test("%.2g", "9.9e-324", 1e-323);
        test("%.2g", "9.9e-323", 1e-322);
        test("%.16g", "7.387900000000000e+20", 7.3879e20);
        test("%.16g", "1.000000000000000e+23", 1e23);
        test("%.17g", "2.0000000000000000e+23", 2e23);
        test("%.17g", "1.9400994884341945e+25", 1.9400994884341945E25);

        // double PI^300
        //    = 13962455701329742638131355433930076081862072808 ... e+149

        test("%.3g", "10.0", ten);
        test("%.3g", "1.00", one);
        test("%10.3g", "      1.00", one);
        test("%+10.3g", "     +3.14", pi);
        test("%+10.3g", "     -3.14", negate(pi));
        test("% .3g", " 3.14", pi);
        test("% .3g", "-3.14", negate(pi));
        test("%.0g", "3", create(3.0));
        test("%.0g", "-3", create(-3.0));

        test("%(.4g", "3.142e+08", mult(pi, 100000000.0));
        test("%(.4g", "(3.142e+08)", mult(pi, -100000000.0));

        test("%,.11g", "3,141,592.6536", mult(pi, 1000000.0));
        test("%(,.11g", "(3,141,592.6536)", mult(pi, -1000000.0));

        //---------------------------------------------------------------------
        // %a
        //
        // Floating-point conversions applicable to float, double, and
        // BigDecimal.
        //---------------------------------------------------------------------
        test("%a", "null", (Object)null);
        test("%.11a", "0x0.00000000000p0", 0.0);
        test(Locale.FRANCE, "%.11a", "0x0.00000000000p0", 0.0); // no localization
        test("%.1a", "0x0.0p0", 0.0);
        test("%.11a", "-0x0.00000000000p0", -0.0);
        test("%.1a", "-0x0.0p0", -0.0);
        test("%.11a", "0x1.00000000000p0", 1.0);
        test("%.1a", "0x1.0p0", 1.0);
        test("%.11a", "-0x1.00000000000p0", -1.0);
        test("%.1a", "-0x1.0p0", -1.0);
        test("%.11a", "0x1.80000000000p1", 3.0);
        test("%.1a", "0x1.8p1", 3.0);
        test("%.11a", "0x1.00000000000p-1022", Double.MIN_NORMAL);
        test("%.1a", "0x1.0p-1022", Double.MIN_NORMAL);
        test("%.11a", "0x1.00000000000p-1022",
             Math.nextDown(Double.MIN_NORMAL));
        test("%.1a", "0x1.0p-1022",
             Math.nextDown(Double.MIN_NORMAL));
        test("%.11a", "0x1.ffffffffffep-1023", 0x0.fffffffffffp-1022);
        test("%.1a", "0x1.0p-1022", 0x0.fffffffffffp-1022);
        test("%.30a", "0x0.000000000000100000000000000000p-1022", Double.MIN_VALUE);
        test("%.13a", "0x0.0000000000001p-1022", Double.MIN_VALUE);
        test("%.11a", "0x1.00000000000p-1074", Double.MIN_VALUE);
        test("%.1a", "0x1.0p-1074", Double.MIN_VALUE);

        test("%.11a", "0x1.08000000000p-1069",
             Double.MIN_VALUE + Double.MIN_VALUE*32);
        test("%.1a", "0x1.0p-1069",
             Double.MIN_VALUE + Double.MIN_VALUE*32);
        test("%.30a", "0x1.fffffffffffff00000000000000000p1023", Double.MAX_VALUE);
        test("%.13a", "0x1.fffffffffffffp1023", Double.MAX_VALUE);
        test("%.11a", "0x1.00000000000p1024", Double.MAX_VALUE);
        test("%.1a", "0x1.0p1024", Double.MAX_VALUE);
        test("%.11a", "0x1.18000000000p0", 0x1.18p0);
        test("%.1a", "0x1.2p0", 0x1.18p0);

        test("%.11a", "0x1.18000000000p0", 0x1.180000000001p0);
        test("%.1a", "0x1.2p0", 0x1.180000000001p0);
        test("%.11a", "0x1.28000000000p0", 0x1.28p0);
        test("%.1a", "0x1.2p0", 0x1.28p0);

        test("%.11a", "0x1.28000000000p0", 0x1.280000000001p0);
        test("%.1a", "0x1.3p0", 0x1.280000000001p0);

        test("%a", "0x0.123p-1022", 0x0.123p-1022);
        test("%1.3a", "0x1.230p-1026", 0x0.123p-1022);
        test("%1.12a", "0x1.230000000000p-1026", 0x0.123p-1022);
        test("%1.15a", "0x0.123000000000000p-1022", 0x0.123p-1022);
        test("%1.5a", "0x1.00000p-1074", 0x0.0000000000001p-1022);
        test("%1.7a", "0x1.0000000p-1022", 0x0.fffffffffffffp-1022);

        test("%1.6a", "0x1.230000p-1026", 0x0.123000057p-1022);
        test("%1.7a", "0x1.2300005p-1026", 0x0.123000057p-1022);
        test("%1.8a", "0x1.23000057p-1026", 0x0.123000057p-1022);
        test("%1.9a", "0x1.230000570p-1026", 0x0.123000057p-1022);

        test("%1.6a", "0x1.230000p-1026", 0x0.123000058p-1022);
        test("%1.7a", "0x1.2300006p-1026", 0x0.123000058p-1022);
        test("%1.8a", "0x1.23000058p-1026", 0x0.123000058p-1022);
        test("%1.9a", "0x1.230000580p-1026", 0x0.123000058p-1022);

        test("%1.6a", "0x1.230000p-1026", 0x0.123000059p-1022);
        test("%1.7a", "0x1.2300006p-1026", 0x0.123000059p-1022);
        test("%1.8a", "0x1.23000059p-1026", 0x0.123000059p-1022);
        test("%1.9a", "0x1.230000590p-1026", 0x0.123000059p-1022);

        test("%1.4a", "0x1.0000p-1022", Math.nextDown(Double.MIN_NORMAL));

        test("%a", "0x1.fffffffffffffp1023", Double.MAX_VALUE);
        test("%1.1a", "0x1.0p1024", Double.MAX_VALUE);
        test("%1.2a", "0x1.00p1024", Double.MAX_VALUE);
        test("%1.6a", "0x1.000000p1024", Double.MAX_VALUE);
        test("%1.9a", "0x1.000000000p1024", Double.MAX_VALUE);
        test("%1.11a", "0x1.00000000000p1024", Double.MAX_VALUE);
        test("%1.12a", "0x1.000000000000p1024", Double.MAX_VALUE);
        test("%1.13a", "0x1.fffffffffffffp1023", Double.MAX_VALUE);


        //---------------------------------------------------------------------
        // %f, %e, %g, %a - Boundaries
        //---------------------------------------------------------------------

        //---------------------------------------------------------------------
        // %f, %e, %g, %a - Double.MIN_VALUE
        //---------------------------------------------------------------------
        test("%f", "0.000000", Double.MIN_VALUE);
        test("%,f", "0.000000", Double.MIN_VALUE);
        test("%(f", "(0.000000)", -Double.MIN_VALUE);
        test("%30.0f",  "                             0", Double.MIN_VALUE);
        test("%30.5f",  "                       0.00000", Double.MIN_VALUE);
        test("%30.13f", "               0.0000000000000", Double.MIN_VALUE);
        test("%30.20f", "        0.00000000000000000000", Double.MIN_VALUE);
        test("%30.350f","0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000490000000000000000000000000",
             Double.MIN_VALUE);
        test("%e", "4.900000e-324", Double.MIN_VALUE);
        test("%E", "4.900000E-324", Double.MIN_VALUE);
        test("%(.1e", "4.9e-324", Double.MIN_VALUE);
        test("%(E", "(4.900000E-324)", -Double.MIN_VALUE);
        test("%30.5e",  "                  4.90000e-324", Double.MIN_VALUE);
        test("%30.13e", "          4.9000000000000e-324", Double.MIN_VALUE);
        test("%30.20e", "   4.90000000000000000000e-324", Double.MIN_VALUE);
        test("%g", "4.90000e-324", Double.MIN_VALUE);
        test("%G", "4.90000E-324", Double.MIN_VALUE);
        test("%(g", "4.90000e-324", Double.MIN_VALUE);
        test("%,g", "4.90000e-324", Double.MIN_VALUE);
        test("%30.5g",  "                   4.9000e-324", Double.MIN_VALUE);
        test("%30.13g", "           4.900000000000e-324", Double.MIN_VALUE);
        test("%30.20g", "    4.9000000000000000000e-324", Double.MIN_VALUE);
        test("%a", "0x0.0000000000001p-1022", Double.MIN_VALUE);
        test("%A", "0X0.0000000000001P-1022", Double.MIN_VALUE);
        test("%30a",    "       0x0.0000000000001p-1022", Double.MIN_VALUE);

        //---------------------------------------------------------------------
        // %f, %e, %g, %a - Double.MAX_VALUE
        //---------------------------------------------------------------------
        test("%f", "179769313486231570000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.000000",
             Double.MAX_VALUE);
        test("%,f", "179,769,313,486,231,570,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.000000",
             Double.MAX_VALUE);
        test("%,(f", "(179,769,313,486,231,570,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.000000)",
             -Double.MAX_VALUE);
        test("%,30.5f", "179,769,313,486,231,570,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.00000",
             Double.MAX_VALUE);
        test("%30.13f", "179769313486231570000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0000000000000",
             Double.MAX_VALUE);
        test("%30.20f", "179769313486231570000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.00000000000000000000",
             Double.MAX_VALUE);
        test("%e", "1.797693e+308", Double.MAX_VALUE);
        test("%E", "1.797693E+308", Double.MAX_VALUE);
        test("%(e", "1.797693e+308", Double.MAX_VALUE);
        test("%(e", "(1.797693e+308)", -Double.MAX_VALUE);
        test("%30.5e",  "                  1.79769e+308", Double.MAX_VALUE);
        test("%30.13e", "          1.7976931348623e+308", Double.MAX_VALUE);
        test("%30.20e", "   1.79769313486231570000e+308", Double.MAX_VALUE);
        test("%g", "1.79769e+308", Double.MAX_VALUE);
        test("%G", "1.79769E+308", Double.MAX_VALUE);
        test("%,g", "1.79769e+308", Double.MAX_VALUE);
        test("%(g", "(1.79769e+308)", -Double.MAX_VALUE);
        test("%30.5g",  "                   1.7977e+308", Double.MAX_VALUE);
        test("%30.13g", "           1.797693134862e+308", Double.MAX_VALUE);
        test("%30.20g", "    1.7976931348623157000e+308", Double.MAX_VALUE);
        test("%a", "0x1.fffffffffffffp1023", Double.MAX_VALUE);
        test("%A", "0X1.FFFFFFFFFFFFFP1023", Double.MAX_VALUE);
        test("%30a",    "        0x1.fffffffffffffp1023", Double.MAX_VALUE);


        //---------------------------------------------------------------------
        // %t
        //
        // Date/Time conversions applicable to Calendar, Date, and long.
        //---------------------------------------------------------------------
        test("%tA", "null", (Object)null);
        test("%TA", "NULL", (Object)null);

        //---------------------------------------------------------------------
        // %t - errors
        //---------------------------------------------------------------------
        tryCatch("%t", UnknownFormatConversionException.class);
        tryCatch("%T", UnknownFormatConversionException.class);
        tryCatch("%tP", UnknownFormatConversionException.class);
        tryCatch("%TP", UnknownFormatConversionException.class);
        tryCatch("%.5tB", IllegalFormatPrecisionException.class);
        tryCatch("%#tB", FormatFlagsConversionMismatchException.class);
        tryCatch("%-tB", MissingFormatWidthException.class);


        //---------------------------------------------------------------------
        // %n
        //---------------------------------------------------------------------
        test("%n", System.getProperty("line.separator"), (Object)null);
        test("%n", System.getProperty("line.separator"), "");

        tryCatch("%,n", IllegalFormatFlagsException.class);
        tryCatch("%.n", UnknownFormatConversionException.class);
        tryCatch("%5.n", UnknownFormatConversionException.class);
        tryCatch("%5n", IllegalFormatWidthException.class);
        tryCatch("%.7n", IllegalFormatPrecisionException.class);
        tryCatch("%<n", IllegalFormatFlagsException.class);

        //---------------------------------------------------------------------
        // %%
        //---------------------------------------------------------------------
        test("%%", "%", (Object)null);
        test("%%", "%", "");

        test("%5%", "    %", (Object)null);
        test("%5%", "    %", "");
        test("%-5%", "%    ", (Object)null);
        test("%-5%", "%    ", "");

        tryCatch("%.5%", IllegalFormatPrecisionException.class);
        tryCatch("%5.5%", IllegalFormatPrecisionException.class);

        tryCatch("%%%", UnknownFormatConversionException.class);
        // perhaps an IllegalFormatArgumentIndexException should be defined?
        tryCatch("%<%", IllegalFormatFlagsException.class);
    }
}