public void TestRounding() {
double Roundingnumber = 2.55;
double Roundingnumber1 = -2.55;
// +2.55 results -2.55 results
double result[] = {
3, -3,
2, -2,
3, -2,
2, -3,
3, -3,
3, -3,
3, -3
};
DecimalFormat pat = new DecimalFormat();
String s = "";
s = pat.toPattern();
logln("pattern = " + s);
int mode;
int i = 0;
String message;
String resultStr;
for (mode = 0; mode < 7; mode++) {
pat.setRoundingMode(mode);
if (pat.getRoundingMode() != mode) {
errln("SetRoundingMode or GetRoundingMode failed for mode=" + mode);
}
// for +2.55 with RoundingIncrement=1.0
pat.setRoundingIncrement(1.0);
resultStr = pat.format(Roundingnumber);
message =
"round(" + (double) Roundingnumber + "," + mode + ",FALSE) with RoundingIncrement=1.0==>";
verify(message, resultStr, result[i++]);
message = "";
resultStr = "";
// for -2.55 with RoundingIncrement=1.0
resultStr = pat.format(Roundingnumber1);
message =
"round("
+ (double) Roundingnumber1
+ ","
+ mode
+ ",FALSE) with RoundingIncrement=1.0==>";
verify(message, resultStr, result[i++]);
message = "";
resultStr = "";
}
}
