grep: be GNU compatible with -f EMPTY_FILE

Signed-off-by: Lauri Kasanen <curaga@operamail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index ffce033e6..006a215e1 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -7,7 +7,7 @@
 
 . ./testing.sh
 
-# testing "test name" "options" "expected result" "file input" "stdin"
+# testing "test name" "commands" "expected result" "file input" "stdin"
 #   file input will be file called "input"
 #   test can create a file "actual" instead of writing to stdout
 
@@ -103,4 +103,20 @@ testing "grep -o does not loop forever on zero-length match" \
 	"" \
 	"" "test\n"
 
+testing "grep -f EMPTY_FILE" \
+	"grep -f input" \
+	"" \
+	"" \
+	"test\n"
+
+testing "grep -v -f EMPTY_FILE" \
+	"grep -v -f input" \
+	"test\n" \
+	"" \
+	"test\n"
+
+# testing "test name" "commands" "expected result" "file input" "stdin"
+#   file input will be file called "input"
+#   test can create a file "actual" instead of writing to stdout
+
 exit $FAILCOUNT