From 8b275bce2cb11ed1c3aa6977dd65f277a8ef2824 Mon Sep 17 00:00:00 2001
From: Eugen Betke <eugen.betke@ecmwf.int>
Date: Thu, 27 Jun 2024 10:49:56 +0000
Subject: [PATCH] ECC-1228: Add test

---
 tests/grib_sub_hourly.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/grib_sub_hourly.sh b/tests/grib_sub_hourly.sh
index dfbf145f5..a49a90a6a 100755
--- a/tests/grib_sub_hourly.sh
+++ b/tests/grib_sub_hourly.sh
@@ -62,6 +62,11 @@ fi
 instantaneous_field=$data_dir/reduced_gaussian_surface.grib2
 accumulated_field=$data_dir/reduced_gaussian_sub_area.grib2
 
+# ECC-1228: Changing template with negative forecast time
+${tools_dir}/grib_set -s stepRange=-48s--24s $accumulated_field $temp
+${tools_dir}/grib_set -s productDefinitionTemplateNumber=8 $temp $temp2
+grib_check_key_equals $temp2 "-p forecastTime,indicatorOfUnitOfTimeRange,lengthOfTimeRange,indicatorOfUnitForTimeRange" "-48 13 24 13"
+
 # ECC-1802: Relaxation of the "Step Units Rule":
 # The updated rule permits the simultaneous assignment of the same step unit to both 'stepUnits' and 'step*' keys
 in="$instantaneous_field"