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Java example source code file (ShapingTest.java)

This example Java source code file (ShapingTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt, eastern_arabic, ethiopic, european, font, numericshaper, runtimeexception, shapingtest, string, tamil, tham, util

The ShapingTest.java Java example source code

/*
 * Copyright (c) 2010, 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 6842557 6943963 6959267
 * @summary confirm that shaping works as expected. (Mainly for new characters which were added in Unicode 5 and 6)
 * used where appropriate.
 */

import java.awt.font.NumericShaper;
import java.util.EnumSet;
import static java.awt.font.NumericShaper.*;

public class ShapingTest {

    private static boolean err = false;

    public static void main(String[] args) {
        test6842557();
        test6943963();
        test6903266();

        if (err) {
            throw new RuntimeException("shape() returned unexpected value.");
        }
    }

    private static void test6842557() {
        NumericShaper ns_old = getContextualShaper(ARABIC | TAMIL | ETHIOPIC,
                                   EUROPEAN);
        NumericShaper ns_new = getContextualShaper(EnumSet.of(
                                   Range.ARABIC, Range.TAMIL, Range.ETHIOPIC),
                                   Range.EUROPEAN);

        String[][] data = {
           // Arabic "October 10"
          {"\u0623\u0643\u062a\u0648\u0628\u0631 10",
           "\u0623\u0643\u062a\u0648\u0628\u0631 \u0661\u0660"},

           // Tamil "Year 2009"
          {"\u0b86\u0ba3\u0bcd\u0b9f\u0bc1 2009",
           "\u0b86\u0ba3\u0bcd\u0b9f\u0bc1 \u0be8\u0be6\u0be6\u0bef"},
           // "\u0be800\u0bef is returned by pre-JDK7 because Tamil zero was not
           //  included in Unicode 4.0.0.

           // Ethiopic "Syllable<HA> 2009"
          {"\u1200 2009",
           "\u1200 \u136a00\u1371"},
           // Ethiopic zero doesn't exist even in Unicode 5.1.0.
        };

        for (int i = 0; i < data.length; i++) {
            checkResult("ARABIC | TAMIL | ETHIOPIC",
                        ns_old, data[i][0], data[i][1]);

            checkResult("Range.ARABIC, Range.TAMIL, Range.ETHIOPIC",
                        ns_new, data[i][0], data[i][1]);
        }
    }

    private static void test6943963() {
        // Needed to reproduce this bug.
        NumericShaper ns_dummy = getContextualShaper(ARABIC | TAMIL | ETHIOPIC,
                                   EUROPEAN);
        char[] c = "\u1200 1".toCharArray();
        ns_dummy.shape(c, 0, c.length);


        String given = "\u0627\u0628 456";
        String expected_ARABIC = "\u0627\u0628 \u0664\u0665\u0666";
        String expected_EASTERN_ARABIC = "\u0627\u0628 \u06f4\u06f5\u06f6";

        NumericShaper ns = getContextualShaper(ARABIC);
        checkResult("ARABIC", ns, given, expected_ARABIC);

        ns = getContextualShaper(EnumSet.of(Range.ARABIC));
        checkResult("Range.ARABIC", ns, given, expected_ARABIC);

        ns = getContextualShaper(EASTERN_ARABIC);
        checkResult("EASTERN_ARABIC", ns, given, expected_EASTERN_ARABIC);

        ns = getContextualShaper(EnumSet.of(Range.EASTERN_ARABIC));
        checkResult("Range.EASTERN_ARABIC", ns, given, expected_EASTERN_ARABIC);

        ns = getContextualShaper(ARABIC | EASTERN_ARABIC);
        checkResult("ARABIC | EASTERN_ARABIC", ns, given, expected_EASTERN_ARABIC);

        ns = getContextualShaper(EnumSet.of(Range.ARABIC, Range.EASTERN_ARABIC));
        checkResult("Range.ARABIC, Range.EASTERN_ARABIC", ns, given, expected_EASTERN_ARABIC);
    }

    private static void test6903266() {
        NumericShaper ns = getContextualShaper(EnumSet.of(Range.TAI_THAM_HORA));
        String given = "\u1a20 012";
        String expected = "\u1a20 \u1a80\u1a81\u1a82";
        checkResult("Range.TAI_THAM_HORA", ns, given, expected);

        ns = getContextualShaper(EnumSet.of(Range.TAI_THAM_HORA,
                                            Range.TAI_THAM_THAM));
        given = "\u1a20 012";
        expected = "\u1a20 \u1a90\u1a91\u1a92"; // Tham digits are prioritized.
        checkResult("Range.TAI_THAM_HORA, Range.TAI_THAM_THAM", ns, given, expected);

        ns = getContextualShaper(EnumSet.of(Range.JAVANESE));
        given = "\ua984 012";
        expected = "\ua984 \ua9d0\ua9d1\ua9d2";
        checkResult("Range.JAVANESE", ns, given, expected);

        ns = getContextualShaper(EnumSet.of(Range.TAI_THAM_THAM));
        given = "\u1a20 012";
        expected = "\u1a20 \u1a90\u1a91\u1a92";
        checkResult("Range.TAI_THAM_THAM", ns, given, expected);

        ns = getContextualShaper(EnumSet.of(Range.MEETEI_MAYEK));
        given = "\uabc0 012";
        expected = "\uabc0 \uabf0\uabf1\uabf2";
        checkResult("Range.MEETEI_MAYEK", ns, given, expected);
    }

    private static void checkResult(String ranges, NumericShaper ns,
                                    String given, String expected) {
        char[] text = given.toCharArray();
        ns.shape(text, 0, text.length);
        String got = new String(text);

        if (!expected.equals(got)) {
            err = true;
            System.err.println("Error with range(s) <" + ranges + ">.");
            System.err.println("  text     = " + given);
            System.err.println("  got      = " + got);
            System.err.println("  expected = " + expected);
        } else {
            System.out.println("OK with range(s) <" + ranges + ">.");
            System.out.println("  text     = " + given);
            System.out.println("  got      = " + got);
            System.out.println("  expected = " + expected);
        }
    }

}

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