doc/api/libbabeltrace2/DoxygenLayout.xml: use `topics` tab

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

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 692def5d7656d58e7b68e39b99481b038dbdf401..f3d4d94572482114443dd0f21dbbbb67bf78d18e 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -239,6 +239,16 @@ bt_diff() {
        local -r expected_file=$1
        local -r actual_file=$2
 
+       if [[ ! -e $expected_file ]]; then
+               echo "ERROR: expected file \`$expected_file\` doesn't exist" >&2
+               return 1
+       fi
+
+       if [[ ! -e $actual_file ]]; then
+               echo "ERROR: actual file \`$actual_file\` doesn't exist" >&2
+               return 1
+       fi
+
        diff -u <(bt_remove_cr_inline "$expected_file") <(bt_remove_cr_inline "$actual_file") 1>&2
 }