// This test checks various generic API methods in DecimalFormat to achieve 100% API coverage.
public void TestAPI() {
logln("DecimalFormat API test---");
logln("");
Locale.setDefault(Locale.ENGLISH);
// ======= Test constructors
logln("Testing DecimalFormat constructors");
DecimalFormat def = new DecimalFormat();
final String pattern = new String("#,##0.# FF");
final DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.FRENCH);
final CurrencyPluralInfo infoInput = new CurrencyPluralInfo(ULocale.FRENCH);
DecimalFormat pat = null;
try {
pat = new DecimalFormat(pattern);
} catch (IllegalArgumentException e) {
errln("ERROR: Could not create DecimalFormat (pattern)");
}
DecimalFormat cust1 = null;
try {
cust1 = new DecimalFormat(pattern, symbols);
} catch (IllegalArgumentException e) {
errln("ERROR: Could not create DecimalFormat (pattern, symbols)");
}
DecimalFormat cust2 = null;
try {
cust2 = new DecimalFormat(pattern, symbols, infoInput, NumberFormat.PLURALCURRENCYSTYLE);
} catch (IllegalArgumentException e) {
errln("ERROR: Could not create DecimalFormat (pattern, symbols, infoInput, style)");
}
// ======= Test clone(), assignment, and equality
logln("Testing clone() and equality operators");
Format clone = (Format) def.clone();
if (!def.equals(clone)) {
errln("ERROR: Clone() failed");
}
// ======= Test various format() methods
logln("Testing various format() methods");
// final double d = -10456.0037; // this appears as -10456.003700000001 on NT
// final double d = -1.04560037e-4; // this appears as -1.0456003700000002E-4 on NT
final double d = -10456.00370000000000; // this works!
final long l = 100000000;
logln("" + Double.toString(d) + " is the double value");
StringBuffer res1 = new StringBuffer();
StringBuffer res2 = new StringBuffer();
StringBuffer res3 = new StringBuffer();
StringBuffer res4 = new StringBuffer();
FieldPosition pos1 = new FieldPosition(0);
FieldPosition pos2 = new FieldPosition(0);
FieldPosition pos3 = new FieldPosition(0);
FieldPosition pos4 = new FieldPosition(0);
res1 = def.format(d, res1, pos1);
logln("" + Double.toString(d) + " formatted to " + res1);
res2 = pat.format(l, res2, pos2);
logln("" + l + " formatted to " + res2);
res3 = cust1.format(d, res3, pos3);
logln("" + Double.toString(d) + " formatted to " + res3);
res4 = cust1.format(l, res4, pos4);
logln("" + l + " formatted to " + res4);
// ======= Test parse()
logln("Testing parse()");
String text = new String("-10,456.0037");
ParsePosition pos = new ParsePosition(0);
String patt = new String("#,##0.#");
pat.applyPattern(patt);
double d2 = pat.parse(text, pos).doubleValue();
if (d2 != d) {
errln(
"ERROR: Roundtrip failed (via parse("
+ Double.toString(d2)
+ " != "
+ Double.toString(d)
+ ")) for "
+ text);
}
logln(text + " parsed into " + (long) d2);
// ======= Test getters and setters
logln("Testing getters and setters");
final DecimalFormatSymbols syms = pat.getDecimalFormatSymbols();
def.setDecimalFormatSymbols(syms);
if (!pat.getDecimalFormatSymbols().equals(def.getDecimalFormatSymbols())) {
errln("ERROR: set DecimalFormatSymbols() failed");
}
String posPrefix;
pat.setPositivePrefix("+");
posPrefix = pat.getPositivePrefix();
logln("Positive prefix (should be +): " + posPrefix);
if (posPrefix != "+") {
errln("ERROR: setPositivePrefix() failed");
}
String negPrefix;
pat.setNegativePrefix("-");
negPrefix = pat.getNegativePrefix();
logln("Negative prefix (should be -): " + negPrefix);
if (negPrefix != "-") {
errln("ERROR: setNegativePrefix() failed");
}
String posSuffix;
pat.setPositiveSuffix("_");
posSuffix = pat.getPositiveSuffix();
logln("Positive suffix (should be _): " + posSuffix);
if (posSuffix != "_") {
errln("ERROR: setPositiveSuffix() failed");
}
String negSuffix;
pat.setNegativeSuffix("~");
negSuffix = pat.getNegativeSuffix();
logln("Negative suffix (should be ~): " + negSuffix);
if (negSuffix != "~") {
errln("ERROR: setNegativeSuffix() failed");
}
long multiplier = 0;
pat.setMultiplier(8);
multiplier = pat.getMultiplier();
logln("Multiplier (should be 8): " + multiplier);
if (multiplier != 8) {
errln("ERROR: setMultiplier() failed");
}
int groupingSize = 0;
pat.setGroupingSize(2);
groupingSize = pat.getGroupingSize();
logln("Grouping size (should be 2): " + (long) groupingSize);
if (groupingSize != 2) {
errln("ERROR: setGroupingSize() failed");
}
pat.setDecimalSeparatorAlwaysShown(true);
boolean tf = pat.isDecimalSeparatorAlwaysShown();
logln("DecimalSeparatorIsAlwaysShown (should be true) is " + (tf ? "true" : "false"));
if (tf != true) {
errln("ERROR: setDecimalSeparatorAlwaysShown() failed");
}
String funkyPat;
funkyPat = pat.toPattern();
logln("Pattern is " + funkyPat);
String locPat;
locPat = pat.toLocalizedPattern();
logln("Localized pattern is " + locPat);
pat.setCurrencyPluralInfo(infoInput);
if (!infoInput.equals(pat.getCurrencyPluralInfo())) {
errln("ERROR: set/get CurrencyPluralInfo() failed");
}
// ======= Test applyPattern()
logln("Testing applyPattern()");
String p1 = new String("#,##0.0#;(#,##0.0#)");
logln("Applying pattern " + p1);
pat.applyPattern(p1);
String s2;
s2 = pat.toPattern();
logln("Extracted pattern is " + s2);
if (!s2.equals(p1)) {
errln("ERROR: toPattern() result did not match pattern applied");
}
String p2 = new String("#,##0.0# FF;(#,##0.0# FF)");
logln("Applying pattern " + p2);
pat.applyLocalizedPattern(p2);
String s3;
s3 = pat.toLocalizedPattern();
logln("Extracted pattern is " + s3);
if (!s3.equals(p2)) {
errln("ERROR: toLocalizedPattern() result did not match pattern applied");
}
// ======= Test getStaticClassID()
// logln("Testing instanceof()");
// try {
// NumberFormat test = new DecimalFormat();
// if (! (test instanceof DecimalFormat)) {
// errln("ERROR: instanceof failed");
// }
// }
// catch (Exception e) {
// errln("ERROR: Couldn't create a DecimalFormat");
// }
}
