diff options
-rwxr-xr-x | tests/misc/head-pos | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/misc/head-pos b/tests/misc/head-pos new file mode 100755 index 000000000..3cb3ec186 --- /dev/null +++ b/tests/misc/head-pos @@ -0,0 +1,34 @@ +#!/bin/sh +# When reading a specified number of lines, ensure that the output +# file pointer is positioned just after those lines. + +if test "$VERBOSE" = yes; then + set -x + head --version +fi + +pwd=`pwd` +tmp=head-pos.$$ +trap 'status=$?; cd $pwd; rm -rf $tmp && exit $status' 0 +trap '(exit $?); exit' 1 2 13 15 + +framework_failure=0 +mkdir $tmp || framework_failure=1 +cd $tmp || framework_failure=1 +(echo a; echo b) > in || framework_failure=1 + +if test $framework_failure = 1; then + echo '$0: failure in testing framework' 1>&2 + (exit 1); exit +fi + +fail=0 +(head -n 1 >/dev/null; cat) < in > out || fail=1 +cat <<EOF > exp +b +EOF + +cmp out exp || fail=1 +test $fail = 1 && diff out exp 2> /dev/null + +(exit $fail); exit |