/**
* @tests java.text.DecimalFormatSymbols#clone() Test of method
* java.text.DecimalFormatSymbols#clone(). Case 1: Compare of internal variables of cloned
* objects. Case 2: Compare of clones. Case 3: Change the content of the clone.
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "clone",
args = {})
public void test_clone() {
try {
// 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));
} catch (Exception e) {
fail("Unexpected exception " + e.toString());
}
}
/** @tests java.text.DecimalFormatSymbols#setNaN(java.lang.String) */
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "setNaN",
args = {java.lang.String.class})
public void test_setNaNLjava_lang_String() {
dfs.setNaN("NAN!!");
assertEquals("Returned incorrect nan symbol", "NAN!!", dfs.getNaN());
}
/** @tests java.text.DecimalFormatSymbols#getNaN() */
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getNaN",
args = {})
public void test_getNaN() {
dfs.setNaN("NAN!!");
assertEquals("Returned incorrect nan symbol", "NAN!!", dfs.getNaN());
}
/** Constructs a new FormatUtil and initializes various internal formatters. */
public FormatUtil() {
this.dateFormat = new SimpleDateFormat("yyyy-MM-dd");
this.integerFormat = NumberFormat.getIntegerInstance();
this.integerFormat.setGroupingUsed(false);
this.floatFormat = NumberFormat.getNumberInstance();
this.floatFormat.setGroupingUsed(false);
this.floatFormat.setMaximumFractionDigits(6);
this.floatFormat.setRoundingMode(RoundingMode.HALF_DOWN);
if (this.floatFormat instanceof DecimalFormat) {
final DecimalFormat decimalFormat = (DecimalFormat) this.floatFormat;
final DecimalFormatSymbols decimalFormatSymbols = decimalFormat.getDecimalFormatSymbols();
decimalFormatSymbols.setNaN("?");
decimalFormatSymbols.setInfinity("?");
decimalFormat.setDecimalFormatSymbols(decimalFormatSymbols);
}
}
public static String castToString(double d) {
double dAbs = Math.abs(d);
DecimalFormatSymbols decfmtsymb =
new DecimalFormatSymbols(
java.util.Locale.US); // US locale represents numbers with a . as comma and without any
// (ten)thousend separators.
decfmtsymb.setInfinity("INF");
decfmtsymb.setNaN("NaN");
DecimalFormat decfmt =
new DecimalFormat(
(dAbs > 1E7 || dAbs < 1E-3) && dAbs > 0.0 ? "0.##############E000" : "0.#############",
decfmtsymb);
String s = decfmt.format(d);
// 1.234E567 => 1.234E+567
int e = s.indexOf("E");
if (e > 0 && s.charAt(e + 1) != '-') s = s.substring(0, e) + "E+" + s.substring(e + 1);
return s;
}
