gnu: icu4c-73-promise: Fix broken test.

* gnu/local.mk (dist_patch_DATA): Add patch.
* gnu/packages/gnuzilla.scm (icu4c-73-promise)[source]: Add patch.
* gnu/packages/patches/icu4c-fix-TestHebrewCalendarInTemporalLeapYear.patch:
New file.

1 files changed, 33 insertions, 0 deletions

diff --git a/gnu/packages/patches/icu4c-fix-TestHebrewCalendarInTemporalLeapYear.patch b/gnu/packages/patches/icu4c-fix-TestHebrewCalendarInTemporalLeapYear.patch
new file mode 100644
index 0000000000..5d149d8f28
--- /dev/null
+++ b/gnu/packages/patches/icu4c-fix-TestHebrewCalendarInTemporalLeapYear.patch
@@ -0,0 +1,33 @@
+From b6b3e89231a623441940889b5badd90f74bdce2b Mon Sep 17 00:00:00 2001
+From: Frank Tang <ftang@chromium.org>
+Date: Mon, 18 Sep 2023 20:20:42 -0700
+Subject: [PATCH] ICU-22512 Fix broken TestHebrewCalendarInTemporalLeapYear
+
+Fix broken test mistakenly landed in
+https://github.com/unicode-org/icu/pull/2274
+
+Some important steps were missed in the last landing.
+---
+ icu4c/source/test/intltest/caltest.cpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/icu4c/source/test/intltest/caltest.cpp b/icu4c/source/test/intltest/caltest.cpp
+index 9d89f468eef0..18b96f231ba3 100644
+--- a/source/test/intltest/caltest.cpp
++++ b/source/test/intltest/caltest.cpp
+@@ -4028,6 +4028,7 @@ void CalendarTest::TestHebrewCalendarInTemporalLeapYear() {
+     for (gc.set(startYear, UCAL_JANUARY, 1);
+          gc.get(UCAL_YEAR, status) <= stopYear;
+          gc.add(UCAL_DATE, incrementDays, status)) {
++        cal->setTime(gc.getTime(status), status);
+         if (failure(status, "add/get/set/getTime/setTime incorrect")) return;
+ 
+         int32_t cal_year = cal->get(UCAL_EXTENDED_YEAR, status);
+@@ -4036,6 +4037,7 @@ void CalendarTest::TestHebrewCalendarInTemporalLeapYear() {
+             leapTest->set(UCAL_MONTH, 0);
+             leapTest->set(UCAL_DATE, 1);
+             // If 10 months after TISHRI is TAMUZ, then it is a leap year.
++            leapTest->add(UCAL_MONTH, 10, status);
+             hasLeapMonth = leapTest->get(UCAL_MONTH, status) == icu::HebrewCalendar::TAMUZ;
+             yearForHasLeapMonth = cal_year;
+         }