1 files changed, 25 insertions, 0 deletions
diff --git a/src/grep/tests/skip-read b/src/grep/tests/skip-read
new file mode 100755
index 0000000..1e9e718
--- /dev/null
+++ b/src/grep/tests/skip-read
@@ -0,0 +1,25 @@
+#!/bin/sh
+# Check that grep skips reading in some cases.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+echo /dev/null >exp || framework_failure_
+
+for opts in '-m0 y' '-f /dev/null' '-v ""'; do
+  for matcher in '' -E -F; do
+    for file in /dev/null no-such-file; do
+      eval returns_ 1 grep $opts $matcher no-such-file > out || fail=1
+      compare /dev/null out || fail=1
+      eval returns_ 1 grep -l $opts $matcher /dev/null > out || fail=1
+      compare /dev/null out || fail=1
+    done
+    eval returns_ 1 grep -L $opts $matcher /dev/null > out || fail=1
+    compare exp out || fail=1
+    eval returns_ 1 grep -L $opts $matcher /dev/null > /dev/null || fail=1
+  done
+done
+
+
+Exit $fail