From 2627d76fbe63fea6202a6b921ab8049294dc9a2a Mon Sep 17 00:00:00 2001
From: Norbert Runge <nrunge@google.com>
Date: Fri, 18 May 2018 20:17:33 +0000
Subject: [PATCH] ICU-11640 Add test for triple currency digit prefix.

X-SVN-Rev: 41412
---
 icu4c/source/test/intltest/numfmtst.cpp | 16 ++++++++++++++++
 icu4c/source/test/intltest/numfmtst.h   |  1 +
 2 files changed, 17 insertions(+)

diff --git a/icu4c/source/test/intltest/numfmtst.cpp b/icu4c/source/test/intltest/numfmtst.cpp
index 48bce4801a..5bacc440c0 100644
--- a/icu4c/source/test/intltest/numfmtst.cpp
+++ b/icu4c/source/test/intltest/numfmtst.cpp
@@ -211,6 +211,7 @@ void NumberFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &n
   TESTCASE_AUTO(Test11647_PatternCurrencySymbols);
   TESTCASE_AUTO(Test11913_BigDecimal);
   TESTCASE_AUTO(Test11020_RoundingInScientificNotation);
+  TESTCASE_AUTO(Test11640_TripleCurrencySymbol);
   TESTCASE_AUTO_END;
 }
 
@@ -9025,4 +9026,19 @@ void NumberFormatTest::Test11020_RoundingInScientificNotation() {
     fmt.format(12301.2, result);
     assertEquals("Rounding increment should be applied after magnitude scaling", u"1,25E4", result);
 }
+void NumberFormatTest::Test11640_TripleCurrencySymbol() {
+  IcuTestErrorCode status(*this, "PercentageRounding");
+  UnicodeString actual;
+  DecimalFormat *dFormat = new DecimalFormat("¤¤¤ 0", status);
+  if (U_FAILURE(status)) {
+      dataerrln("Failure creating DecimalFormat %s", u_errorName(status));
+      return;
+  }
+  dFormat->setCurrency(u"USD");
+  UnicodeString result;
+  dFormat->getPositivePrefix(result);
+  assertEquals("Tryple-currency should give long name on getPositivePrefix",
+               "US dollars ", result);
+}
+
 #endif /* #if !UCONFIG_NO_FORMATTING */
diff --git a/icu4c/source/test/intltest/numfmtst.h b/icu4c/source/test/intltest/numfmtst.h
index 82ee0546cc..0e17655e19 100644
--- a/icu4c/source/test/intltest/numfmtst.h
+++ b/icu4c/source/test/intltest/numfmtst.h
@@ -275,6 +275,7 @@ class NumberFormatTest: public CalendarTimeZoneTest {
     void Test11647_PatternCurrencySymbols();
     void Test11913_BigDecimal();
     void Test11020_RoundingInScientificNotation();
+    void Test11640_TripleCurrencySymbol();
 
  private:
     UBool testFormattableAsUFormattable(const char *file, int line, Formattable &f);