TestSpecialValues.java

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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8177552
 * @summary Checks the formatting and parsing of special values
 * @modules jdk.localedata
 * @run testng/othervm TestSpecialValues
 */
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

public class TestSpecialValues {

    private static final NumberFormat FORMAT = NumberFormat
            .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);

    @DataProvider(name = "formatSpecialValues")
    Object[][] formatSpecialValues() {
        return new Object[][]{
            // number , formatted ouput
            {+0.0, "0"},
            {-0.0, "-0"},
            {Double.MIN_VALUE, "0"},
            {Double.MIN_NORMAL, "0"},
            {Double.NaN, "NaN"},
            {Double.POSITIVE_INFINITY, "\u221E"},
            {Double.NEGATIVE_INFINITY, "-\u221E"},
            {Long.MIN_VALUE, "-9223372T"},
            {Long.MAX_VALUE, "9223372T"},};
    }

    @DataProvider(name = "parseSpecialValues")
    Object[][] parseSpecialValues() {
        return new Object[][]{
            // parse string, parsed number
            {"-0.0", -0.0},
            {"" + Long.MIN_VALUE, Long.MIN_VALUE},
            {"" + Long.MAX_VALUE, Long.MAX_VALUE},
            {"NaN", Double.NaN},
            {"\u221E", Double.POSITIVE_INFINITY},
            {"-\u221E", Double.NEGATIVE_INFINITY},};
    }

    @Test(dataProvider = "formatSpecialValues")
    public void testFormatSpecialValues(Object number, String expected) {
        CompactFormatAndParseHelper.testFormat(FORMAT, number, expected);
    }

    @Test(dataProvider = "parseSpecialValues")
    public void testParseSpecialValues(String parseString, Number expected)
            throws ParseException {
        CompactFormatAndParseHelper.testParse(FORMAT, parseString, expected, null, null);
    }
}