From c849e72c0b216578f96b763529c5e58056d0662c Mon Sep 17 00:00:00 2001
From: Ron Yorston
Date: Thu, 21 Jan 2021 08:40:54 +0000
Subject: nl: ensure '-b n' option displays file content

The command 'nl -b n' should output no line numbers, just some
spaces as a placeholder followed by the actual file content.

Add tests for line numbering by cat and nl.  The correct results
were obtained from coreutils.

function                                             old     new   delta
print_numbered_lines                                 152     157      +5
.rodata                                           182456  182453      -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 5/-3)                Total: 2 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 testsuite/cat.tests | 24 ++++++++++++++++++++++++
 testsuite/nl.tests  | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100755 testsuite/nl.tests

(limited to 'testsuite')

diff --git a/testsuite/cat.tests b/testsuite/cat.tests
index 10970dc..cf924ab 100755
--- a/testsuite/cat.tests
+++ b/testsuite/cat.tests
@@ -22,4 +22,28 @@ testing 'cat -v' \
 	'foo\n'
 SKIP=
 
+optional FEATURE_CATN
+testing 'cat -n' \
+	'cat -n' \
+"\
+     1	line 1
+     2	
+     3	line 3
+" \
+	'' \
+	'line 1\n\nline 3\n'
+SKIP=
+
+optional FEATURE_CATN
+testing 'cat -b' \
+	'cat -b' \
+"\
+     1	line 1
+
+     2	line 3
+" \
+	'' \
+	'line 1\n\nline 3\n'
+SKIP=
+
 exit $FAILCOUNT
diff --git a/testsuite/nl.tests b/testsuite/nl.tests
new file mode 100755
index 0000000..95e7abb
--- /dev/null
+++ b/testsuite/nl.tests
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Copyright 2021 by Ron Yorston
+# Licensed under GPLv2, see file LICENSE in this source tree.
+
+. ./testing.sh
+
+# testing "test name" "commands" "expected result" "file input" "stdin"
+
+testing "nl numbers all lines" \
+	"nl -b a input" \
+"\
+     1	line 1
+     2	
+     3	line 3
+" \
+	"line 1\n\nline 3\n" \
+	""
+
+testing "nl numbers non-empty lines" \
+	"nl -b t input" \
+"\
+     1	line 1
+       
+     2	line 3
+" \
+	"line 1\n\nline 3\n" \
+	""
+
+testing "nl numbers no lines" \
+	"nl -b n input" \
+"\
+       line 1
+       
+       line 3
+" \
+	"line 1\n\nline 3\n" \
+	""
+
+exit $FAILCOUNT
-- 
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