utils.sh: expand `${extra_details_args[@]}` conditionally

[babeltrace.git] / tests / utils / utils.sh

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 04b45203a69b411047fef6af868c40144da8623b..36c75fe05a350cf5f172a1ecde769ee14f878c02 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -241,7 +241,8 @@ bt_diff_details_ctf_single() {
        expected_stderr_file="/dev/null"
 
        # Compare using the CLI with `sink.text.details`
-       bt_diff_cli "$expected_stdout_file" "$expected_stderr_file" "$trace_dir" "-c" "sink.text.details" "${extra_details_args[@]}"
+       bt_diff_cli "$expected_stdout_file" "$expected_stderr_file" "$trace_dir" \
+               "-c" "sink.text.details" "${extra_details_args[@]+${extra_details_args[@]}}"
 }
 
 # Calls bt_diff_details_ctf_single(), except that "$1" is the path to a
@@ -267,7 +268,8 @@ bt_diff_details_ctf_gen_single() {
        fi
 
        # Compare using the CLI with `sink.text.details`
-       bt_diff_details_ctf_single "$expected_stdout_file" "$temp_trace_dir" "${extra_details_args[@]}"
+       bt_diff_details_ctf_single "$expected_stdout_file" "$temp_trace_dir" \
+               "${extra_details_args[@]+${extra_details_args[@]}}"
        ret=$?
        rm -rf "$temp_trace_dir"
        return $ret