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-rwxr-xr-xtests/fmt/basic12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/fmt/basic b/tests/fmt/basic
index 04938b860..66abe1305 100755
--- a/tests/fmt/basic
+++ b/tests/fmt/basic
@@ -64,6 +64,18 @@ my @Tests =
['pfx-1', qw (-p '>'),
{IN=> " 1\n 2\n\t3\n\t\t4\n> quoted\n> text\n"},
{OUT=> " 1\n 2\n\t3\n\t\t4\n> quoted text\n"}],
+
+ # Don't remove prefix from a prefix-only line.
+ ['pfx-only', qw (-p '>'),
+ {IN=> ">\n"},
+ {OUT=> ">\n"}],
+
+ # With a multi-byte prefix, say, "foo", don't empty a line that
+ # starts with a strict prefix (e.g. "fo") of that prefix.
+ # With fmt from coreutils-6.7, it would mistakenly output an empty line.
+ ['pfx-of-pfx', qw (-p 'foo'),
+ {IN=> "fo\n"},
+ {OUT=> "fo\n"}],
);
my $save_temps = $ENV{DEBUG};