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#!/bin/sh
# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#
. ./include.ctest.sh
label="filter_substr_test"
temp=temp.$label.txt
sample=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
${tools_dir}/grib_filter - $sample <<EOF
transient input = "abcdefg";
# String
transient xx = substr("abcdefg", 0, 2);
assert( xx is "ab");
transient xx = substr("abcdefg", 6, 1);
assert( xx is "g");
# Key
transient xx = substr(input, 0, 2);
assert( xx is "ab");
transient xx = substr(input, 6, 1);
assert( xx is "g");
EOF
# Illegal cases
${tools_dir}/grib_filter - $sample 2>$temp <<EOF
transient xx = substr("abc", -1, -1);
EOF
cat $temp
grep -q "Invalid substring.*start=" $temp
${tools_dir}/grib_filter - $sample 2>$temp <<EOF
transient xx = substr("abc", 0, 0);
EOF
cat $temp
grep -q "Invalid substring.*length must be > 0" $temp
${tools_dir}/grib_filter - $sample 2>$temp <<EOF
transient xx = substr("abc", 0, 8);
EOF
cat $temp
grep -q "Invalid substring.*start.*length" $temp
# Clean up
rm -f $temp
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