dc: add two tests

[oweals/busybox.git] / testsuite / tail.tests

diff --git a/testsuite/tail.tests b/testsuite/tail.tests
index d2427d4307ab3568bb8dcef6ec60a99da9e62fe2..305a83b15ec243e73321f0d3e224edfb97b40f07 100755 (executable)
--- a/testsuite/tail.tests
+++ b/testsuite/tail.tests
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Copyright 2009 by Denys Vlasenko <vda.linux@googlemail.com>
-# Licensed under GPL v2, see file LICENSE for details.
+# Licensed under GPLv2, see file LICENSE in this source tree.
 
 . ./testing.sh
 
@@ -14,4 +14,12 @@ testing "tail: +N with N > file length" \
        "0\n" \
        "" "qw"
 
+testing "tail: -c +N with largish N" \
+       "
+       dd if=/dev/zero bs=16k count=1 2>/dev/null | tail -c +8200 | wc -c;
+       dd if=/dev/zero bs=16k count=1 2>/dev/null | tail -c +8208 | wc -c;
+       " \
+       "8185\n8177\n" \
+       "" ""
+
 exit $FAILCOUNT