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authorRob Landley <rob@landley.net>2016-03-24 16:20:36 -0500
committerRob Landley <rob@landley.net>2016-03-24 16:20:36 -0500
commitaf51034338e107f1f45a66547e785b7730d20459 (patch)
tree4bd0f5294710bd90562e3ea79f9f7c32309383d8 /tests
parent1ffa7f45eb4fe3b73f94e69c929ad311d9c44b81 (diff)
downloadtoybox-af51034338e107f1f45a66547e785b7730d20459.tar.gz
Debian bug 635570 did something horribly nonstandard (depending on a side
effect of "sed -e 'a\'" with no trailing line). But there's an actual user, and it's not hard to implement, and it's not hard to implement, and there isn't an obvious _other_ way to do it, so add the behavior and a test for it. Fix some bad/missing comments while I was there, and add a couple TODOs.
Diffstat (limited to 'tests')
-rwxr-xr-xtests/sed.test10
1 files changed, 7 insertions, 3 deletions
diff --git a/tests/sed.test b/tests/sed.test
index b308b699..7a4a8cda 100755
--- a/tests/sed.test
+++ b/tests/sed.test
@@ -77,9 +77,7 @@ testing "c {range}" "sed -e '2,4{c blah' -e '}'" \
"" "one\ntwo\nthree\nfour\nfive\nsix"
testing "c multiple continuation" \
"sed -e 'c\\' -e 'two\\' -e ''" "two\n\n" "" "hello"
-# NOTE: will print 'unfinished c' to stderr and exit 1
-testing "c empty continuation" \
- "sed -e 'c\\'" "" "" "hello"
+SKIP_HOST=1 testing "c empty continuation" "sed -e 'c\\'" "\n" "" "hello"
testing "D further processing depends on whether line is blank" \
"sed -e '/one/,/three/{' -e 'i meep' -e'N;2D;}'" \
"meep\nmeep\ntwo\nthree\n" "" "one\ntwo\nthree\n"
@@ -138,6 +136,12 @@ testing "" "sed 'y/a\\bc/de\f/'" "db\f" "" "abc"
testing "[a-a] (for perl)" "sed '"'s/\([^a-zA-Z0-9.:_\-\/]\)/\\\1/g'"'" \
'he\ llo' "" "he llo"
+# Debian bug https://bugs.debian.org/635570 added code to ensure a file
+# ends with a newline via "sed -e '$a\'". Apparently all a\ with no additional
+# pattern lines after it does (other than making posix throw up) is
+# flush the pending newline as _if_ it had added another line. *shrug* Ok?
+testing "trailing a\ (for debian)" "sed 'a\\'" "hello\n" "" "hello"
+
# You have to match the first line of a range in order to activate
# the range, numeric and ascii work the same way
testing "skip start of range" "sed -e n -e '1,2s/b/c/'" "a\nb\n" "" "a\nb\n"