ICU-11645 Adding C++ test for apply-pattern equality.

X-SVN-Rev: 41333

diff --git a/icu4c/source/test/intltest/numfmtst.cpp b/icu4c/source/test/intltest/numfmtst.cpp
index 35c8a4661fbd4cfd528ab0ef1bf61c3feca108e3..30ef7e6dac0e72c3d5a0f265192af0944facdd50 100644 (file)
--- a/icu4c/source/test/intltest/numfmtst.cpp
+++ b/icu4c/source/test/intltest/numfmtst.cpp
@@ -663,6 +663,7 @@ void NumberFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &n
   TESTCASE_AUTO(TestParseNaN);
   TESTCASE_AUTO(Test11897_LocalizedPatternSeparator);
   TESTCASE_AUTO(Test10354);
+  TESTCASE_AUTO(Test11645_ApplyPatternEquality);
   TESTCASE_AUTO_END;
 }
 
@@ -9163,4 +9164,48 @@ void NumberFormatTest::Test10354() {
     errorCode.logIfFailureAndReset("DecimalFormat.format(NAN, FieldPositionIterator) failed");
 }
 
+void NumberFormatTest::Test11645_ApplyPatternEquality() {
+    IcuTestErrorCode status(*this, "Test11645_ApplyPatternEquality");
+    const char16_t* pattern = u"#,##0.0#";
+    LocalPointer<DecimalFormat> fmt((DecimalFormat*) NumberFormat::createInstance(status));
+    fmt->applyPattern(pattern, status);
+    LocalPointer<DecimalFormat> fmtCopy;
+
+    static int32_t newMultiplier = 37;
+    fmtCopy.adoptInstead(new DecimalFormat(*fmt));
+    assertFalse("Value before setter", fmtCopy->getMultiplier() == newMultiplier);
+    fmtCopy->setMultiplier(newMultiplier);
+    assertEquals("Value after setter", fmtCopy->getMultiplier(), newMultiplier);
+    fmtCopy->applyPattern(pattern, status);
+    assertEquals("Value after applyPattern", fmtCopy->getMultiplier(), newMultiplier);
+    assertFalse("multiplier", *fmt == *fmtCopy);
+
+    static NumberFormat::ERoundingMode newRoundingMode = NumberFormat::ERoundingMode::kRoundCeiling;
+    fmtCopy.adoptInstead(new DecimalFormat(*fmt));
+    assertFalse("Value before setter", fmtCopy->getRoundingMode() == newRoundingMode);
+    fmtCopy->setRoundingMode(newRoundingMode);
+    assertEquals("Value after setter", fmtCopy->getRoundingMode(), newRoundingMode);
+    fmtCopy->applyPattern(pattern, status);
+    assertEquals("Value after applyPattern", fmtCopy->getRoundingMode(), newRoundingMode);
+    assertFalse("roundingMode", *fmt == *fmtCopy);
+
+    static const char16_t* newCurrency = u"EAT";
+    fmtCopy.adoptInstead(new DecimalFormat(*fmt));
+    assertFalse("Value before setter", fmtCopy->getCurrency() == newCurrency);
+    fmtCopy->setCurrency(newCurrency);
+    assertEquals("Value after setter", fmtCopy->getCurrency(), newCurrency);
+    fmtCopy->applyPattern(pattern, status);
+    assertEquals("Value after applyPattern", fmtCopy->getCurrency(), newCurrency);
+    assertFalse("currency", *fmt == *fmtCopy);
+
+    static UCurrencyUsage newCurrencyUsage = UCurrencyUsage::UCURR_USAGE_CASH;
+    fmtCopy.adoptInstead(new DecimalFormat(*fmt));
+    assertFalse("Value before setter", fmtCopy->getCurrencyUsage() == newCurrencyUsage);
+    fmtCopy->setCurrencyUsage(newCurrencyUsage, status);
+    assertEquals("Value after setter", fmtCopy->getCurrencyUsage(), newCurrencyUsage);
+    fmtCopy->applyPattern(pattern, status);
+    assertEquals("Value after applyPattern", fmtCopy->getCurrencyUsage(), newCurrencyUsage);
+    assertFalse("currencyUsage", *fmt == *fmtCopy);
+}
+
 #endif /* #if !UCONFIG_NO_FORMATTING */

diff --git a/icu4c/source/test/intltest/numfmtst.h b/icu4c/source/test/intltest/numfmtst.h
index e82ed7190e36c9e815b2bc9d1607f57afcbf567d..45c68d030e6a701e91b885a748ce5354060ed744 100644 (file)
--- a/icu4c/source/test/intltest/numfmtst.h
+++ b/icu4c/source/test/intltest/numfmtst.h
@@ -228,6 +228,7 @@ class NumberFormatTest: public CalendarTimeZoneTest {
     void TestParseNaN();
     void Test11897_LocalizedPatternSeparator();
     void Test10354();
+    void Test11645_ApplyPatternEquality();
 
  private:
     UBool testFormattableAsUFormattable(const char *file, int line, Formattable &f);