Preserve empty output lines in $lines

libexec/bats-exec-test

@@ -57,12 +57,13 @@ run() {
   set +T
   output="$("$@" 2>&1)"
   status="$?"
-  oldIFS=$IFS
-  IFS=$'\n' lines=($output)
+  lines=()
+  while IFS= read -r LINE; do
+    lines+=( "$LINE" )
+  done < <(echo "$output")
   [ -z "$e" ] || set -e
   [ -z "$E" ] || set -E
   [ -z "$T" ] || set -T
-  IFS=$oldIFS
 }
 
 setup() {

test/bats.bats

@@ -43,25 +43,25 @@ fixtures bats
 @test "summary passing tests" {
   run filter_control_sequences bats -p $FIXTURE_ROOT/passing.bats
   [ $status -eq 0 ]
-  [ "${lines[1]}" = "1 test, 0 failures" ]
+  [ "${lines[2]}" = "1 test, 0 failures" ]
 }
 
 @test "summary passing and skipping tests" {
   run filter_control_sequences bats -p $FIXTURE_ROOT/passing_and_skipping.bats
   [ $status -eq 0 ]
-  [ "${lines[2]}" = "2 tests, 0 failures, 1 skipped" ]
+  [ "${lines[3]}" = "2 tests, 0 failures, 1 skipped" ]
 }
 
 @test "summary passing and failing tests" {
   run filter_control_sequences bats -p $FIXTURE_ROOT/failing_and_passing.bats
   [ $status -eq 0 ]
-  [ "${lines[4]}" = "2 tests, 1 failure" ]
+  [ "${lines[5]}" = "2 tests, 1 failure" ]
 }
 
 @test "summary passing, failing and skipping tests" {
   run filter_control_sequences bats -p $FIXTURE_ROOT/passing_failing_and_skipping.bats
   [ $status -eq 0 ]
-  [ "${lines[5]}" = "3 tests, 1 failure, 1 skipped" ]
+  [ "${lines[6]}" = "3 tests, 1 failure, 1 skipped" ]
 }
 
 @test "one failing test" {
@@ -262,3 +262,12 @@ fixtures bats
   [ $status -eq 0 ]
   [ "${lines[1]}" = "ok 1 loop_func" ]
 }
+
+@test "empty lines in output are preserved" {
+  run echo -ne "line0\n\nline2"
+
+  [ "${#lines[@]}" -eq 3 ]
+  [ "${lines[0]}" = "line0" ]
+  [ "${lines[1]}" = "" ]
+  [ "${lines[2]}" = "line2" ]
+}