AuroraMiddleware/scuffed-code
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ICU-5384 Test case of DecimalFormat#isParseBigDecimal and #setParseBigDecimal

Browse Source 
X-SVN-Rev: 20328
This commit is contained in:
Yoshito Umaoka 2006-09-14 21:57:47 +00:00
parent a25613f6b2
commit a40d75f17b
1 changed files with 80 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
icu4j/src/com/ibm/icu/dev/test/format/NumberFormatTest.java
View File

@ -833,7 +833,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
errln("numberformat of string did not throw exception");
}
catch (Exception e) {
logln("PASS: numberformat of string failed as expected");
logln("PASS: numberformat of string failed as expected");
}
int hash = fmt.hashCode();
@ -1250,7 +1250,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
}
}
}
void checkRounding(DecimalFormat nf, BigDecimal base, int iterations, BigDecimal increment) {
//#ifdef FOUNDATION
//## nf.setRoundingIncrement(increment);
@ -1258,7 +1258,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
nf.setRoundingIncrement(increment.toBigDecimal());
//#endif
BigDecimal lastParsed = new BigDecimal(Integer.MIN_VALUE); // used to make sure that rounding is monotonic
for (int i = -iterations; i <= iterations; ++i) {
for (int i = -iterations; i <= iterations; ++i) {
BigDecimal iValue = base.add(increment.multiply(new BigDecimal(i)).movePointLeft(1));
BigDecimal smallIncrement = new BigDecimal("0.00000001");
if (iValue.signum() != 0) {
@ -1270,7 +1270,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
lastParsed = checkRound(nf, iValue.add(smallIncrement), lastParsed);
}
}
private BigDecimal checkRound(DecimalFormat nf, BigDecimal iValue, BigDecimal lastParsed) {
String formatedBigDecimal = nf.format(iValue);
String formattedDouble = nf.format(iValue.doubleValue());
@ -1299,7 +1299,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
}
return lastParsed;
}
static BigDecimal toBigDecimal(Number number) {
return number instanceof BigDecimal ? (BigDecimal) number
: number instanceof BigInteger ? new BigDecimal((BigInteger)number)
@ -1316,7 +1316,7 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
"ROUND_HALF_UP", "ROUND_HALF_DOWN", "ROUND_HALF_EVEN",
"ROUND_UNNECESSARY"
};
private static boolean equalButForTrailingZeros(String formatted1, String formatted2) {
if (formatted1.length() == formatted2.length()) return formatted1.equals(formatted2);
return stripFinalZeros(formatted1).equals(stripFinalZeros(formatted2));
@ -1609,4 +1609,78 @@ public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {
//reset default locale
ULocale.setDefault(defaultLocale);
}
public void TestParseReturnType() {
String[] defaultNonBigDecimals = {
"123", // Long
"123.0", // Long
"0.0", // Long
"12345678901234567890" // BigInteger
};
String[] doubles = {
"-0.0",
"NaN",
"\u221E" // Infinity
};
DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
DecimalFormat nf = new DecimalFormat("#.#", sym);
if (nf.isParseBigDecimal()) {
errln("FAIL: isParseDecimal() must return false by default");
}
// isParseBigDecimal() is false
for (int i = 0; i < defaultNonBigDecimals.length; i++) {
try {
Number n = nf.parse(defaultNonBigDecimals[i]);
if (n instanceof BigDecimal) {
errln("FAIL: parse returns BigDecimal instance");
}
} catch (ParseException e) {
errln("parse of '" + defaultNonBigDecimals[i] + "' threw exception: " + e);
}
}
// parse results for doubls must be always Double
for (int i = 0; i < doubles.length; i++) {
try {
Number n = nf.parse(doubles[i]);
if (!(n instanceof Double)) {
errln("FAIL: parse does not return Double instance");
}
} catch (ParseException e) {
errln("parse of '" + doubles[i] + "' threw exception: " + e);
}
}
// force this DecimalFormat to return BigDecimal
nf.setParseBigDecimal(true);
if (!nf.isParseBigDecimal()) {
errln("FAIL: isParseBigDecimal() must return true");
}
// isParseBigDecimal() is true
for (int i = 0; i < defaultNonBigDecimals.length; i++) {
try {
Number n = nf.parse(defaultNonBigDecimals[i]);
if (!(n instanceof BigDecimal)) {
errln("FAIL: parse does not return BigDecimal instance");
}
} catch (ParseException e) {
errln("parse of '" + defaultNonBigDecimals[i] + "' threw exception: " + e);
}
}
// parse results for doubls must be always Double
for (int i = 0; i < doubles.length; i++) {
try {
Number n = nf.parse(doubles[i]);
if (!(n instanceof Double)) {
errln("FAIL: parse does not return Double instance");
}
} catch (ParseException e) {
errln("parse of '" + doubles[i] + "' threw exception: " + e);
}
}
}
}