android-platform-libcore/luni/src/test/java/libcore/java/text/OldDecimalFormatSymbolsTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package libcore.java.text;

import java.io.ObjectInputStream;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import junit.framework.TestCase;

public class OldDecimalFormatSymbolsTest extends TestCase {

    DecimalFormatSymbols dfs;

    protected void setUp() {
        dfs = new DecimalFormatSymbols();
    }

    public void test_RIHarmony_compatible() throws Exception {
        ObjectInputStream i = null;
        try {
            DecimalFormatSymbols symbols = new DecimalFormatSymbols(
                    Locale.FRANCE);
            i = new ObjectInputStream(
                    getClass()
                            .getClassLoader()
                            .getResourceAsStream(
                    "serialization/java/text/DecimalFormatSymbols.ser"));
            DecimalFormatSymbols symbolsD = (DecimalFormatSymbols) i
                    .readObject();
            assertEquals(symbols, symbolsD);
        } catch(NullPointerException e) {
            assertNotNull("Failed to load /serialization/java/text/" +
                    "DecimalFormatSymbols.ser", i);
        } finally {
            try {
                if (i != null) {
                    i.close();
                }
            } catch (Exception e) {
            }
        }
        assertDecimalFormatSymbolsRIFrance(dfs);
    }


    public void test_Constructor() {
        new DecimalFormatSymbols();
    }

    /**
     * @tests java.text.DecimalFormatSymbols#DecimalFormatSymbols(java.util.Locale)
     */
    public void test_ConstructorLjava_util_Locale() {
        try {
            new DecimalFormatSymbols(null);
            fail("NullPointerException was not thrown.");
        } catch(NullPointerException npe) {
            //expected
        }
    }

    public void test_getMonetaryDecimalSeparator() {
        dfs.setMonetaryDecimalSeparator(',');
        assertEquals("Returned incorrect MonetaryDecimalSeparator symbol",
                ',', dfs.getMonetaryDecimalSeparator());
    }

    public void test_hashCode() {
        DecimalFormatSymbols dfs1 = new DecimalFormatSymbols();
        DecimalFormatSymbols dfs2 = (DecimalFormatSymbols) dfs1.clone();
        assertTrue("Hash codes of equal object are equal", dfs2
                .hashCode() == dfs1.hashCode());
        dfs1.setInfinity("infinity_infinity");
        assertTrue("Hash codes of non-equal objects are equal", dfs2
                .hashCode() != dfs1.hashCode());
    }

    public void test_clone() {
        // case 1: Compare of internal variables of cloned objects
        DecimalFormatSymbols fs = new DecimalFormatSymbols(Locale.US);
        DecimalFormatSymbols fsc = (DecimalFormatSymbols) fs.clone();
        assertEquals(fs.getCurrency(), fsc.getCurrency());

        // case 2: Compare of clones
        fs = new DecimalFormatSymbols();
        DecimalFormatSymbols fsc2 = (DecimalFormatSymbols) (fs.clone());
        // make sure the objects are equal
        assertTrue("Object's clone isn't equal!", fs.equals(fsc2));

        // case 3:
        // change the content of the clone and make sure it's not equal
        // anymore
        // verifies that it's data is now distinct from the original
        fs.setNaN("not-a-number");
        assertTrue("Object's changed clone should not be equal!", !fs.equals(fsc2));
    }

    public void test_setCurrencySymbolLjava_lang_String() {
        dfs.setCurrencySymbol("$");
        assertEquals("Returned incorrect CurrencySymbol symbol", "$", dfs.getCurrencySymbol());
    }

    public void test_setMonetaryDecimalSeparatorC() {
        dfs.setMonetaryDecimalSeparator('#');
        assertEquals("Returned incorrect MonetaryDecimalSeparator symbol",
                '#', dfs.getMonetaryDecimalSeparator());
    }

    static void assertDecimalFormatSymbolsRIFrance(DecimalFormatSymbols dfs) {
        // Values based on Java 1.5 RI DecimalFormatSymbols for Locale.FRANCE
        /*
         * currency = [EUR]
         * currencySymbol = [U+20ac] // EURO SIGN
         * decimalSeparator = [,][U+002c]
         * digit = [#][U+0023]
         * groupingSeparator = [U+00a0] // NON-BREAKING SPACE
         * infinity = [U+221e] // INFINITY
         * internationalCurrencySymbol = [EUR]
         * minusSign = [-][U+002d]
         * monetaryDecimalSeparator = [,][U+002c]
         * naN = [U+fffd] // REPLACEMENT CHARACTER
         * patternSeparator = [;][U+003b]
         * perMill = [U+2030] // PER MILLE
         * percent = [%][U+0025]
         * zeroDigit = [0][U+0030]
         */
        assertEquals("EUR", dfs.getCurrency().getCurrencyCode());
        assertEquals("\u20AC", dfs.getCurrencySymbol());
        assertEquals(',', dfs.getDecimalSeparator());
        assertEquals('#', dfs.getDigit());
        assertEquals('\u00a0', dfs.getGroupingSeparator());
        assertEquals("\u221e", dfs.getInfinity());
        assertEquals("EUR", dfs.getInternationalCurrencySymbol());
        assertEquals('-', dfs.getMinusSign());
        assertEquals(',', dfs.getMonetaryDecimalSeparator());
        // RI's default NaN is U+FFFD, Harmony's is based on ICU
        // This suggests an RI bug, assuming that non-UTF8 bytes are UTF8 and
        // getting a conversion failure.
        assertEquals("\uFFFD", dfs.getNaN());
        assertEquals('\u003b', dfs.getPatternSeparator());
        assertEquals('\u2030', dfs.getPerMill());
        assertEquals('%', dfs.getPercent());
        assertEquals('0', dfs.getZeroDigit());
    }
}