From 57a6f30125ad4f83de0147379835e4386872f479 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 10 Aug 2007 15:07:05 +0000
Subject: [PATCH] Add a test script for counting lines. This can be used
 instead of the "| grep foo | wc -l | grep 2" idiom used by many tests, so
 that, for example, tests don't mistakenly accept a count of 12 when 2 is
 expected. Also, the new form is more consice: "| grep foo | count 2".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40988 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Scripts/count | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 test/Scripts/count

diff --git a/test/Scripts/count b/test/Scripts/count
new file mode 100755
index 00000000000..cc0355208b7
--- /dev/null
+++ b/test/Scripts/count
@@ -0,0 +1,17 @@
+#!/bin/sh
+#
+# Program: count
+#
+# Synopsis: Count the number of lines of input on stdin and test that it
+#           matches the specified number.
+#
+# Syntax:   count <number>
+
+set -e
+set -u
+input_lines=$(wc -l)
+if [ "$input_lines" -ne "$1" ]; then
+  echo "count: expected $1 lines and got ${input_lines}."
+  exit 1
+fi
+exit 0